Lenovo Training Solutions

Personal Systems Reference Lenovo ThinkCentre Desktops

April 2007 - Version 321

lenovo.com/training ThinkCentre® M51 Ultra Small (8104) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Name Slot x L2 Bus Hyper- Diskette SATA EIDE Graphics PCI Cover Key- Workhorse Gbl Avail 8 Type-modelbay Processor GHz cache✂MHz Thread Memory drive disk optical in GMCH modemswitch board Preload Education date M51 8104-BKU 1x2 Celeron® 336 2.80 256K ✂533 256MB None 40GB2 CD GMA 900 No No Pref XP Pro No May 05 M51 8104-BLU 1x2 Celeron 346 3.06 256K ✂533 256MB None 40GB CD GMA 900 No No Pref XP Pro Educ May 05 M51 8104-BMU 1x2 Celeron 346 3.06 256K ✂533 256MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 M51 8104-2RU 1x2 Pentium® 4 521 2.80 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No Jun 06 M51 8104-2SU 1x2 Pentium 4 521 2.80 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No Jun 06 M51 8104-2UU 1x2 Pentium 4 521 2.80 1MB 800 HT 512MB None 80GB Combo GMA 900 Yes Yes Pref XP Pro No Jun 06 ☞ M51 8104-5BU 1x2 Pentium 4 524 3.06 1MB 533 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro No July 06 M51 8104-2CU 1x2 Pentium 4 531 3.00 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 M51 8104-2DU 1x2 Pentium 4 531 3.00 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No May 05 M51 8104-2NU 1x2 Pentium 4 531 3.00 1MB 800 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro Gbl Sep 05 ✂ M51 8104-3AU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 ✂ M51 8104-3BU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No May 05 ✂ M51 8104-3DU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB DVD GMA 900 No Yes Finger XP Pro No May 05 ✂ M51 8104-3FU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro Educ May 05 ✂ M51 8104-3JU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro Gbl May 05 ☞ M51 8104-92U 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No July 06 ☞ M51 8104-93U 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro No July 06 ✂ M51 8104-4EU 1x2 Pentium 4 551 3.40 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 ✂ M51 8104-4FU 1x2 Pentium 4 551 3.40 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No May 05 ✂ M51 8104-4GU 1x2 Pentium 4 551 3.40 1MB 800 HT 512MB None 80GB DVD GMA 900 No Yes Finger XP Pro No May 05 ✂ M51 8104-4HU 1x2 Pentium 4 551 3.40 1MB 800 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro Gbl May 05 M51 8104-D1U 1x2 Pentium 4 630 3.00 2MB 800 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No May 05 M51 8104-D2U 1x2 Pentium 4 630 3.00 2MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No May 05 M51 8104-E1U 1x2 Pentium 4 640 3.20 2MB 800 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No May 05 M51 8104-E2U 1x2 Pentium 4 640 3.20 2MB 800 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No May 05 M51 8104-E5U 1x2 Pentium 4 640 3.20 2MB 800 HT 512MB None 80GB DVD GMA 900 No No Pref XP Pro Gbl Sep 05

Positioning Smallest ThinkCentre desktop without compromise Ultra Small Processor Intel® Celeron D Processor 336 or 346 with 533MHz bus or disk optical Intel Pentium 4 Processor 521, 524, 531, 541, 551, 630, or 640 with 533MHz or 800MHz bus Proc features All: Extended Memory 64 Technology, Execute Disable Bit Hyper-Threading Some: Hyper-Threading (HT) technology Bay ① 3.5", SL 1", access, std disk (desktop) L2 cache 256KB or 1MB std and max / ECC / full speed Bay ② 5.25", *slim .5", access, std optical (notebook) Socket Processor and L2 cache in FC-LGA4 in LGA775 socket * Optical bay is Ultrabay™ Enhanced 12.5mm high Memory 256 or 512MB std / 4GB max8 / two 240-pin gold plated DIMM (supports select ThinkPad-based Ultrabay Enhanced sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / [12.5mm high] and Ultrabay Slim [9.5mm high] devices) CAS latency 4 (CL4) / unbuffered / dual-channel capable Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) Graphics Intel Graphics Media Accelerator 900 (GMA 900) / integrated • Up to 75% less space than desktop chassis graphics / uses main memory / 333MHz / one 15-pin analog connector • Business black color; metal case SATA disk 40 or 80GB / SATA150 7200 rpm / vibration dampening mounts • 10.8" W X 10.8"D X 3.4"H SATA controller Serial ATA / 150 MB/sec SATA150 / integrated in ICH6 • 275mm W X 275mm D X 87.5mm H SATA cables One SATA cable (one 1-drop to disk) / one SATA connector • 13.2 to 14.0 lb (6.0 to 6.4 kg) EIDE CD Some: 24X-10X4 CD-ROM / Ultrabay Enhanced (12.5mm high) • Toolless cover fl ips up and tilts backward on rear hinges EIDE DVD Some: 8X-3.3X4 DVD-ROM / Ultrabay Enhanced (12.5mm high) • Toolless disk and optical drive removal EIDE Combo Some: 24X/24X/24X/8X Max11 CD-RW/DVD-ROM Combo / • Bays 1 and 2 fl ip up (latched and pivoting) Ultrabay Enhanced (12.5mm high) • Toolless PCI slot and riser card retention EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH6) • Steel chassis supports 100 lb (45kg) monitor on top EIDE cables One cable (one 1-drop Ultrabay Enhanced cable to optical) / one EIDE connector (Ultrabay Enhanced) on systemboard SYSTEMS MANAGEMENT Diskette drive None / use optional external USB-based 3.5" 1.44MB diskette drive • PC 2001-compliant Chipset Intel 915GV Express Chipset / 82915GV Graphics Memory Controller Hub • ACPI 2.0b-compliant (GMCH) / 82801FB I/O Controller Hub (ICH6) for SATA150, ATA-100 EIDE, • SMBIOS 2.3.1-compliant • DMI 2.0-compliant PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / 19 National Semiconductor® PC8375T Super I/O for security chip (TPM), Asset ID, • Asset ID (system specifi c info in chip) serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log SECURITY Ports Front: two USB (Version 2.0), microphone in (mono), headphone out (mono) • Security chip (see information on left) Back: four USB (Version 2.0), one serial (9-pin), parallel (25-pin), • Security slot (in rear for attachment of keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) optional Kensington Microsaver cable) Audio connectors Back: line-in (mono), line-out (mono) [all 3.5mm] ® - optional cable also locks the cover by Audio Integrated digital audio / SoundMAX Cadenza / AC ’97 / ADI1981B codec deactivating the cover release buttons Speaker One internal speaker for business audio • ® ™ Power-on password Ethernet 10/100/1000 gigabit ethernet on planar / Broadcom NetXtreme Gigabit Network • ® Administrator password Connection / BCM5705 controller / PHY/MAC / 32-bit PCI 2.3 / Wake on LAN • 10 ® Boot sequence control Modem Some: 56K V.90 data/fax soft modem / Conexant chipset / PCI adapter • 18 Boot without keyboard or mouse Security chip Embedded Security Subsystem 2.0 / in NS PC8375T chip / TCG-compliant • USB, ethernet, SATA, EIDE, serial, Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black parallel enable or disable (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Disk, removable, and network device Mouse Optical Wheel Mouse (USB only), optical, 400 dpi, black boot password Cooling fans Four variable speed fans (front, back, fansink, power supply) • Some: cover intrusion switch Power supply 200 watts with variable speed fan / universal / autosensing / two diagnostic LEDs • Some: fi ngerprint reader keyboard Preload with Windows XP Professional5 Accessories LIMITED WARRANTY1 ® ® Microsoft Windows XP Professional 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ 3-year parts and labor Preloaded (only some listed) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ Customer Replaceable Unit (CRU) • Some: contains additional module with a 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 parts only (with limited onsite service specialized education preload image Super Multi-Burner Ultrabay Enhanced Drv 40Y8624 for selected parts3, 8 am - 5 pm, • RecordNow and DLA (combo models) ThinkCentre Ultra Small Under Desk Mount 40Y8625 Mon - Fri coverage excluding holidays, • InterVideo WinDVD (combo, DVD) Other accessories at lenovo.com/accessories next business day response time) See footnotes for important warranty information © Lenovo ☞ US models announced July 25, 2006; previous models on May 17 or Sept 13, 2005, or June 6, 2006 (GR1) July 2006 ✂ US models withdrawn effective May 2006 is Here!

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© 2007 Microsoft Corporation. All rights reserved. Microsoft, the Windows logo, and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners. ThinkCentre® M52 Tower (8113) - Celeron Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- SATA EIDE Chipset Cover Preload Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz Thread Memory8 disk optical Graphics switch warranty1 Gbl, Educ date M52 8113-A1U 4x4 Celeron® D 331 2.66 256K 533 No 256MB 40GB2 CD GMA 950 945G No XP Pro 3-yr No Jun 05 M52 8113-A2U 4x4 Celeron D 336 2.80 256K 533 No 512MB 40GB CD GMA 950 945G Yes XP Pro 3-yr No Jun 05 M52 8113-B2U 4x4 Celeron D 346 3.06 256K 533 No 512MB 40GB CD GMA 950 945G No XP Pro 3-yr No Jun 05

Positioning Stability and manageability for the enterprise Tower Processor Intel® Celeron D Processor 331 (2.66GHz), 336 (2.80GHz), • Business black color optical 346 (3.06GHz) with single-core, EM64T, Execute Disable Bit, • and 533MHz system bus 7.0" W X 17.7"D X 17.0"H ② • 178mm W X 450mm D X 432mm H diskette L2 cache 256KB std and max / ECC / full speed • Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket 25.0 to 27.5 lb (11.3 to 12.5 kg) disk • Handle on top front Memory - std/max8 256 or 512MB std / 4GB max / DDR2 only • Thumbscrew to remove bay 3 and 4 Memory Four 240-pin gold plated DIMM sockets / one socket used / • Toolless install and removal of disk, PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / optical, diskette unbuffered / dual-channel capable • Toolless install and removal of side cover • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Toolless install and removal of adapter graphics in 945G GMCH / uses main memory (up to 128MB cards with 256MB+) / 400MHz / one 15-pin analog D-sub connector Bay ① 5.25", HH 1.6", access, std optical ② SATA disk 40GB / SATA150 7200 rpm / vibration dampening mounts Bay 5.25", HH 1.6" access, open Bay ③ 3.5", SL 1", access, std diskette SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 ④ SATA cables One SATA cable (one 1-drop to disk) / 4 SATA connectors on planar Bay 3.5", SL 1", no access, std disk EIDE CD 48X-20X4 CD-ROM Slot 1: full-length, full-height, PCI Express x16 (75w max) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) Slot 2: full-length, full-height, PCI Express x1 EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) Diskette drive 3.5" 1.44MB diskette drive Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub • PC 2001-compliant (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, • ACPI 2.0c-compliant PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / • SMBIOS 2.3.4-compliant Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, • DMI 2.0-compliant serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • SMBus 2.0-compliant • 19 Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) Asset ID (system specifi c info in chip) Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), SECURITY mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Security chip (see information on left) Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • One lock to secure both cover and Speaker One internal speaker for business audio entire system to fi xed object: Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / - Padlock loop (in rear for opt padlock) full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot - Security slot (in rear for optional Modem None Kensington Microsaver cable) Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant - No keylock • Power-on password Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Administrator password Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Hard disk password (user and master) Cooling fans Two variable speed fans (front and power supply) • Boot sequence control Power supply 310 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Boot without keyboard, mouse, diskette • 5 USB, ethernet, SATA, EIDE, serial, Preload with Windows XP Professional Accessories parallel, diskette enable or disable Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • Disk, removable, and network device with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 boot password - Disk-to-Disk Recovery (in hidden 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • Diskette write protect protected area) 250GB Serial ATA300 Disk (7200 rpm) 41N3015 • Front USB port disablement ± Preloaded Super Multi-Burner DL DVD RW Drive 41N5581 • Some: cover intrusion switch • Access Program USB Portable Diskette Drive 05K9276 USB Fingerprint Reader 41U3167 • Rescue and Recovery™ ® • USB Gemplus GemPC Smart Card Reader 41N3040 Supports ThinkVantage technologies; Adobe Reader visit thinkcentre.com/thinkvantage • Norton AntiVirus (OEM version) USB 2.0/Analog Headset by Sennheiser 40Y8518 USB 2.0 Lenovo Webcam 40Y8519 • PC-Doctor™ (diagnostics) LIMITED WARRANTY1 • Client Security Software USB 2.0 Memory Key 1GB 40Y7421 USB 2.0 Essential Memory Key 2GB 41U4944 ➫ 3-year parts and labor Downloadable USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ International Warranty Service9 • Software Delivery Assistant USB 2.0 Portable 120GB Hard Disk 41N8379 ➫ Customer Replaceable Unit (CRU) • System Migration Assistant USB 2.0 Super Multi-Burner Drive 41N5565 parts only (with limited onsite service • IBM Director Agent Lenovo L192 Wide 19" Monitor (black) 6920AB1 for selected parts3, 8 am - 5 pm, License - CD not included Lenovo D221 Wide 22" Monitor (black) 6622HB2 Mon - Fri coverage excluding holidays, - Lotus® SmartSuite® Millennium and ThinkVision® L171p 17" Monitor (black) 9417HC2 next business day response time) Lotus Notes® Stand-alone Client ThinkVision L192p 19" Monitor (black) 9419HC2 ➫ Onsite service upgrade options ThinkVision L201p 20.1" Monitor (black) 9220HB1 (in eligible locations):7 ScrollPoint® Pro Optical Mouse (black) 31P8700 • 3-year LOR 9x5, 4 hour response Optical 3-button ScrollPoint Mouse (black) 31P7405 (ThinkPlus™ part number 41C9192) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 3-year LOR 24x7, 4 hour response Kensington® MicroSaver® Desktop Lock 06P3839 (ThinkPlus part number 41C9193) Enhanced Performance USB Keyboard 73P2620 • 4-year LOR 24x7, 4 hour response Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9196) DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Other ThinkPlus services at ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced June 28, 2005 (VR1) June 2005 ThinkCentre® M52 Tower (8113) - Pentium 4 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Execute SATA EIDE Cover Intel Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHzThread disable Memory8 disk optical Graphics switch IAMT boardwarranty1 Gbl, Educ date M52 8113-11U 4x4 Pentium® 4 516 2.93 1MB 533 512MB 40G2 CD GMA 950 Pref 3-yr Jun 05 M52 8113-12U 4x4 Pentium 4 516 2.93 1MB 533 512MB 80G DVD GMA 950 Pref 3-yr Jun 05 M52 8113-21U 4x4 Pentium 4 531 3.00 1MB 800 HT XD 512MB 40G CD GMA 950 Pref 3-yr Jun 05 M52 8113-22U 4x4 Pentium 4 531 3.00 1MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 M52 8113-24U 4x4 Pentium 4 531 3.00 1MB 800 HT XD 512MB 80G DVD GMA 950 Yes Finger 3-yr Jun 05 M52 8113-28U 4x4 Pentium 4 531 3.00 1MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr W G Jun 05 ✂ M52 8113-31U 4x4 Pentium 4 541 3.20 1MB 800 HT XD 512MB 40G CD GMA 950 Pref 3-yr Jun 05 ✂ M52 8113-32U 4x4 Pentium 4 541 3.20 1MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 ✂ M52 8113-34U 4x4 Pentium 4 541 3.20 1MB 800 HT XD 512MB 80G DVD NVIDIA 64M Pref 3-yr Aug 05 ✂ M52 8113-35U 4x4 Pentium 4 541 3.20 1MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr G Jun 05 ✂ M52 8113-36U 4x4 Pentium 4 541 3.20 1MB 800 HT XD 512MB 80G DVD GMA 950 Yes Finger 3-yr Jun 05 ✂ M52 8113-41U 4x4 Pentium 4 551 3.40 1MB 800 HT XD 512MB 40G CD GMA 950 Pref 3-yr Jun 05 ✂ M52 8113-42U 4x4 Pentium 4 551 3.40 1MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 ✂ M52 8113-44U 4x4 Pentium 4 551 3.40 1MB 800 HT XD 512MB 80G DVD NVIDIA 64M Pref 3-yr Aug 05 ✂ M52 8113-45U 4x4 Pentium 4 551 3.40 1MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr Jun 05 ✂ M52 8113-46U 4x4 Pentium 4 551 3.40 1MB 800 HT XD 512MB 80G DVD GMA 950 Yes Finger 3-yr Jun 05 M52 8113-D1U 4x4 Pentium 4 630 3.00 2MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr W G Jun 05 M52 8113-D3U 4x4 Pentium 4 630 3.00 2MB 800 HT XD 256MB 80G DVD GMA 950 Pref 3-yr Jun 05 M52 8113-D5U 4x4 Pentium 4 630 3.00 2MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 ☞ M52 8113-D6U 4x4 Pentium 4 630 3.00 2MB 800 HT XD 512MB 80G DVD GMA 950 IAMT Pref 3-yr W G Aug 05 M52 8113-E1U 4x4 Pentium 4 640 3.20 2MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr Jun 05 M52 8113-E7U 4x4 Pentium 4 640 3.20 2MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 M52 8113-F1U 4x4 Pentium 4 650 3.40 2MB 800 HT XD 512MB 80G DVD GMA 950 Pref 3-yr Jun 05 M52 8113-F4U 4x4 Pentium 4 650 3.40 2MB 800 HT XD 512MB 80G Combo GMA 950 Pref 3-yr Jun 05 Processor Intel® Pentium 4 Processor 516, 531, 541, 551, 630, 640, or 650 Tower with single-core, EM64T, and 533 or 800MHz system bus • optical Processor featuresSome: Hyper-Threading (HT) technology, Execute Disable Bit (XD) Business black color • 7.0" W X 17.7"D X 17.0"H ② L2 cache 1MB or 2MB std and max / ECC / full speed • Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket 178mm W X 450mm D X 432mm H diskette • 25.0 to 27.5 lb (11.3 to 12.5 kg) disk Memory - std/max8 256 or 512MB std / 4GB max / DDR2 only • Handle on top front Memory Four 240-pin gold plated DIMM sockets / one socket used / • Thumbscrew to remove bay 3 and 4 PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • Toolless install and removal of disk, unbuffered / dual-channel capable optical, diskette • • Toolless install and removal of side cover Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • (one of following) graphics in 945G GMCH / uses main memory (up to 128MB Toolless install and removal of adapter with 256MB+) / 400MHz / one 15-pin analog D-sub connector cards • NVIDIA® GeForce® 6200 / PCI Express x16 adapter / Bay ① 5.25", HH 1.6", access, std optical 64MB 400MHz DDR1 / 400MHz RAMDAC / Bay ② 5.25", HH 1.6", access, open two 15-pin analog D-sub connectors / dual head support Bay ③ 3.5", SL 1", access, std diskette ④ SATA disk 40 or 80GB / SATA150 7200 rpm / vibration dampening mounts Bay 3.5", SL 1", no access, std disk SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 Slot 1: full-length, full-height, PCI Express x16 (75w max)* SATA cables One SATA cable (one 1-drop to disk) / 4 SATA connectors on planar Slot 2: full-length, full-height, PCI Express x1 EIDE CD Some: 48X-20X4 CD-ROM Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo * slot used by adapter in some models EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • PC 2001-compliant EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • ACPI 2.0c-compliant Diskette drive 3.5" 1.44MB diskette drive • SMBIOS 2.3.4-compliant Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub • DMI 2.0 and SMBus 2.0-compliant (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, • Asset ID19 (system specifi c info in chip) PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, SECURITY serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Security chip (see information on left) • Front ports One lock to secure both cover and Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) entire system to fi xed object: Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), - Padlock loop (in rear for opt padlock) mouse (PS/2), ethernet (RJ-45), monitor (DB-15) - Security slot (in rear for optional Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio ® Kensington Microsaver cable) High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software - No keylock Speaker One internal speaker for business audio • Power-on password Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • Administrator password Intel AMT Some: Intel Active Management Technology (IAMT) • Hard disk password (user and master) Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • Boot sequence control Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black • Boot without keyboard, mouse, diskette (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • USB, ethernet, SATA, EIDE, serial, Mouse Optical Wheel Mouse (USB only), 400 dpi, black parallel, diskette enable or disable Cooling fans Two variable speed fans (front and power supply) • Disk, removable, and network device Power supply 310 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs boot password • Diskette write protect Preload with Windows XP Professional5 Accessories • Front USB port disablement Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • Some: cover intrusion switch with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • Some: fi ngerprint reader keyboard - Disk-to-Disk Recovery (in hidden area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Super Multi-Burner DL DVD±RW Drive 41N5581 ➫ 3-year parts and labor limited warranty1 Preloaded (only some listed) ➫ • Rescue and Recovery™ Lenovo D221 Wide 22" Monitor (black) 6622HB1 Customer Replaceable Unit (CRU) • Lenovo Laser Mouse (USB, PS/2) 41U3074 parts only (with limited onsite service Client Security Software ® ® 3 • RecordNow and DLA (combo models) ATI RADEON X300 SE 128MB Dual Head 41U4813 for selected parts , 8 am - 5 pm, • InterVideo WinDVD (combo models) ATI X1300 256MB Dual Head/TV-out 41U5028 Mon - Fri coverage excluding holidays, Other accessories at lenovo.com/accessories next business day response time) See footnotes for important warranty information © Lenovo ☞ US model announced August 23, 2005; previous models on June 28, 2005 (VR2) August 2005 ✂ US models withdrawn effective May 2006 ThinkCentre® M52 Tower (8113) - Pentium 4 (November 2005) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Diskette SATA EIDE Intel Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz ThreadEM64T Memory8 drive disk optical Graphics IAMT board warranty1 Gbl, Educ date M52 8113-13U 4x4 Pentium® 4 519K 3.06 1MB 533 EM64T 512MB 40G2 CD GMA No Pref 3-yr Nov 05 M52 8113-14U 4x4 Pentium 4 519K 3.06 1MB 533 EM64T 512MB Diskette 40G CD-RW GMA No Pref 3-yr Nov 05 M52 8113-15U 4x4 Pentium 4 519K 3.06 1MB 533 EM64T 512MB 80G Combo GMA No Pref 3-yr Nov 05 ☞ M52 8113-2AU 4x4 Pentium 4 521 2.80 2MB 800 HT EM64T 512MB 80G CD GMA No Pref 3-yr Jun 06 ☞ M52 8113-2BU 4x4 Pentium 4 521 2.80 2MB 800 HT EM64T 512MB 80G Combo GMA No Pref 3-yr Jun 06 M52 8113-D8U 4x4 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB 40G CD GMA No Pref 3-yr Nov 05 M52 8113-E9U 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No Pref 3-yr Global Nov 05 M52 8113-EBU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB 40G CD GMA No Pref 3-yr Nov 05 M52 8113-EDU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No Finger 3-yr Nov 05 M52 8113-FCU 4x4 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB 40G CD GMA No Pref 3-yr Nov 05 M52 8113-FEU 4x4 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No Finger 3-yr Nov 05 M52 8113-DCU 4x4 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB Diskette 80G CD GMA No Pref 3-yr Feb 06 M52 8113-EGU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 1GB Diskette 80G Combo GMA No Pref 3-yr Feb 06 M52 8113-EJU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 1GB Diskette 160G DVD±RW6 X300SE No Pref 3-yr Feb 06 M52 8113-EKU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 1GB Diskette 160G Combo X300SE No Pref 3-yr Feb 06 M52 8113-DFU 4x4 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB Diskette 80G Combo GMA No Pref 3-yr Educ Apr 06 M52 8113-ELU 4x4 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G Combo GMA No Pref 3-yr Educ Apr 06 M52 8113-FGU 4x4 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB Diskette 160G DVD±RW X300SE No Pref 3-yr Educ Apr 06 M52 8113-H3U 4x4 Pentium 4 661 3.60 2MB 800 HT EM64T 512MB Diskette 80G CD GMA No Pref 3-yr Apr 06 M52 8113-H4U 4x4 Pentium 4 661 3.60 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No Pref 3-yr Apr 06 M52 8113-H6U 4x4 Pentium 4 661 3.60 2MB 800 HT EM64T 1GB Diskette 80G Combo GMA No Pref 3-yr Apr 06 Processor Intel® Pentium 4 Processor 519K, 521, 630, 640, 650 or 661 with Tower single-core, EM64T, Execute Disable Bit, and 533 or 800MHz bus • optical Processor featuresSome: Hyper-Threading (HT) technology Business black color • 7.0" W X 17.7"D X 17.0"H ② L2 cache 1MB or 2MB std and max / ECC / full speed • Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket 178mm W X 450mm D X 432mm H diskette • 25.0 to 27.5 lb (11.3 to 12.5 kg) disk Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only • Handle on top front Memory Four 240-pin DIMM sockets / one socket used / • Thumbscrew to remove bay 3 and 4 PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • Toolless install and removal of disk, unbuffered / dual-channel capable optical, diskette • • Toolless install and removal of side cover Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • (one of following) graphics in 945G / 400MHz / supports dual independent display Toolless install and removal of adapter • ATI ® RADEON® X300 SE / PCI Express x16 adapter / cards 128MB 400MHz DDR1 / 400MHz RAMDAC / Bay ① 5.25", HH 1.6", access, std optical two 15-pin analog D-sub connectors / dual head support Bay ② 5.25", HH 1.6", access, open ③ SATA disk Bay 3.5", SL 1", access, std diskette 40, 80 or 160GB / SATA150 7200 rpm / vibration dampening mounts Bay ④ 3.5", SL 1", no access, std disk SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 SATA cables One SATA cable (one 1-drop to disk) / 4 SATA connectors on planar Slot 1: full-length, full-height, PCI Express x16 (75w max)* EIDE CD Some: 48X-20X4 CD-ROM Slot 2: full-length, full-height, PCI Express x1 EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE CD-RW Some: 48X/32X/48X Max4 CD-RW Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo * slot used by adapter in some models EIDE DVD±RW Some: DVD and CD burner / Multi-Burner Plus (part 73P3370) SECURITY EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Security chip (see information on left) Diskette drive Some: 3.5" 1.44MB diskette drive • One lock to secure both cover and entire system to fi xed object: Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub - Padlock loop (in rear for opt padlock) (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, - Security slot (in rear for optional PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / ® Kensington Microsaver cable) Winbond PC8375S Super I/O for security chip (TPM), Asset ID, - No keylock serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Power-on password Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Administrator password Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Hard disk password (user and master) mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Boot sequence control Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Boot without keyboard, mouse, diskette Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • USB, ethernet, SATA, EIDE, serial, Beeper One internal speaker for business audio parallel, diskette enable or disable Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • Disk, removable, and network device Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant boot password • Diskette write protect Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black • Front USB port disablement (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Some: fi ngerprint reader keyboard Mouse Optical Wheel Mouse (USB only), 400 dpi, black Cooling fans Two variable speed fans (front and power supply) Supports ThinkVantage® technologies; Power supply 310 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs visit thinkcentre.com/thinkvantage Preload with Windows XP Professional5 Accessories LIMITED WARRANTY1 Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ 3-year parts and labor Preloaded (only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ International Warranty Service9 • Some: contains additional module with a 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ Customer Replaceable Unit (CRU) 250GB Serial ATA300 Disk (7200 rpm) 41N3015 parts only (with limited onsite service specialized education preload image in ± the base preload package Super Multi-Burner DL DVD RW Drive 41N5581 for selected parts3, 8 am - 5 pm, • Rescue and Recovery™ USB 2.0 Essential Memory Key 2GB 41U4944 Mon - Fri coverage excluding holidays, • Multimedia Center for Think Offerings Lenovo Laser Mouse (USB, PS/2) 41U3074 next business day response time) DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ ™ (CD-RW, combo, DVD models) ® ® ThinkPlus services at • RecordNow and DLA (CD-RW, combo) ATI RADEON X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty • InterVideo WinDVD (combo, DVD) ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1

See footnotes for important warranty information © Lenovo ☞ US models announced on June 6, 2006; previous models on Nov 8, 2005 and Feb 21, 2006 and Apr 5, 2006 (VR2-1) June 2006 Turn workdays into days.

A Lenovo PC—with Windows VistaTM Business and Microsoft® Office Professional 2007—gives you the essential software and security enhancements you need to get things done more efficiently, and focus on what matters most. Stop searching. Find. Protect your data. Quickly find what you’re looking for —documents, Ensure that your computer settings, files, and entire files, programs, e-mail messages and more—on your hard drives are backed up automatically—without PC, across your network, or in your e-mail. the need for additional outside IT support.

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Stay in sync with your business. Securely connect, communicate, and network with your business and customer data—whether you’re in the office, at home, or on the road.

Lenovo offerings at: www.lenovo.com/vista

© 2007 Microsoft Corporation. All rights reserved. Microsoft, the Office logo, the Windows logo, and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners. ThinkCentre® M52 Tower (8113) - Pentium 4 (August 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Diskette SATA EIDE Intel Key- Vista™ Limited Workhorse Avail NameType-modelbay ProcessorGHz cache MHz Memory8 drive disk optical Graphics IAMT board capable warranty1 Gbl, Educ date M52 8113-5BU 4x4 Pentium® 4 531 3.00 1MB 800 1GB Diskette 80G Combo GMA 950 No Pref Yes 3-yr Educ Aug 06 M52 8113-5CU 4x4 Pentium 4 531 3.00 1MB 800 512MB Diskette 80G DVD GMA 950 No Pref Yes 3-yr Educ Aug 06 M52 8113-67U 4x4 Pentium 4 541 3.20 1MB 800 512MB Diskette 80G DVD GMA 950 No Pref Yes 3-yr Aug 06 M52 8113-68U 4x4 Pentium 4 541 3.20 1MB 800 1GB Diskette 80G Combo GMA 950 No Pref Yes 3-yr Aug 06

Processor Intel® Pentium 4 Processor 531 or 541 with single-core, EM64T, Tower Hyper-Threading technology, Execute Disable Bit, • Business black color optical 800MHz system bus, and 1MB L2 cache • Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket 7.0" W X 17.7"D X 17.0"H ② • 178mm W X 450mm D X 432mm H diskette 8 Memory - std/max 512MB or 1GB std / 4GB max / DDR2 only • 25.0 to 27.5 lb (11.3 to 12.5 kg) disk Memory Two 240-pin gold plated DIMM sockets / • Handle on top front model 5BU: two sockets used (512MB per socket); • Thumbscrew to remove bay 3 and 4 other models: one socket used / • Toolless install and removal of disk, PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / optical, diskette unbuffered / dual-channel capable • Toolless install and removal of side cover • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Toolless install and removal of adapter (one of following) graphics in 945G GMCH / uses main memory / 400MHz / cards one 15-pin analog D-sub connector / Bay ① 5.25", HH 1.6", access, std optical supports dual independent display with optional ADD2 adapter Bay ② 5.25", HH 1.6", access, open Bay ③ 3.5", SL 1", access, std diskette SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts Bay ④ 3.5", SL 1", no access, std disk SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 SATA cables One SATA cable (one 1-drop to disk) / 4 SATA connectors on planar Slot 1: full-length, full-height, PCI Express x16 (75w max) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer Slot 2: full-length, full-height, PCI Express x1 EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard SECURITY Diskette drive Some: 3.5" 1.44MB diskette drive • Security chip (see information on left) Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub • One lock to secure both cover and (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, entire system to fi xed object: PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / - Padlock loop (in rear for opt padlock) Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, serial, parallel, - Security slot (in rear for optional diskette, keybrd, mouse, auto-thermal controls, hardware event log Kensington Microsaver cable) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) - No keylock Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Power-on password mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Administrator password Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Hard disk password (user and master) Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • Boot sequence control Beeper One internal speaker for business audio • Boot without keyboard, mouse, diskette Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • USB, ethernet, SATA, EIDE, serial, Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant parallel, diskette enable or disable • Disk, removable, and network device Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black boot password Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Diskette write protect Cooling fans Two variable speed fans (front and power supply) • Front USB port disablement Power supply 310 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs Preload with Windows XP Professional5 Accessories Supports ThinkVantage® technologies; visit thinkcentre.com/thinkvantage Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Preloaded (only some listed) LIMITED WARRANTY1 • Education models: VitalSource Library 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 education software 160GB Serial ATA300 Disk (7200 rpm) 09N4254 ➫ 3-year parts and labor • ® ® 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ International Warranty Service9 Education models: Adobe Photoshop ± Elements plus Adobe Premiere® Elements Super Multi-Burner DL DVD RW Drive 41N5581 ➫ Customer Replaceable Unit (CRU) • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 parts only (with limited onsite service • Client Security Solution™ USB Fingerprint Reader 41U3167 for selected parts3, 8 am - 5 pm, • ThinkVantage Productivity Center USB Gemplus GemPC Smart Card Reader 41N3040 Mon - Fri coverage excluding holidays, • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 next business day response time) • ThinkVantage Fingerprint Software USB 2.0 Lenovo Webcam 40Y8519 ➫ Onsite service upgrade options (fi ngerprint models) USB 2.0 Memory Key 1GB 40Y7421 (in eligible locations):7 • Symantec® Client Security™ USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response • Diskeeper Lite USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus™ part number 41C9192) • PC-Doctor™ (diagnostics) USB 2.0 Portable 120GB Hard Disk 41N8379 • 3-year LOR 24x7, 4 hour response • Google Toolbar USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9193) • Google Desktop Lenovo L191 19" Monitor (black) 6135AB1 • 4-year LOR 9x5, Next Business Day • Lenovo L192 Wide 19" Monitor (black) 6920AB1 Picasa from Google ® (ThinkPlus part number 41C9194) • Multimedia Center for Think Offerings ThinkVision L171p 17" Monitor (black) 9417HC2 • 4-year LOR 9x5, 4 hour response (combo, DVD) ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9195) • USB Optical Wheel Mouse (black) 06P4069 • Sonic RecordNow and Drive Letter Access ® 4-year LOR 24x7, 4 hour response (combo) ScrollPoint Pro Optical Mouse (black) 31P8700 (ThinkPlus part number 41C9196) • InterVideo WinDVD (combo, DVD) Optical 3-button ScrollPoint Mouse (black) 31P7405 ➫ Other ThinkPlus services at Lenovo Laser Mouse (USB, PS/2) 41U3074 lenovo.com/thinkplus/warranty CD Kensington® MicroSaver® Desktop Lock 06P3839 ➫ • Post-warranty maintenance Education models: Adobe Photoshop Preferred Pro USB Fingerprint Keyboard 73P4730 services at Elements plus Adobe Premiere Elements DVI-I PCIe Connection Adapter (ADD2) 73P2516 ® ® lenovo.com/thinkplus/warranty License - CD not included ATI RADEON X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty - Lotus® SmartSuite® Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US models announced August 22, 2006 (VR3-4) August 2006 ThinkCentre® M52 Tower (8113) - Pentium D Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Virtual Dual SATA EIDE Intel Cover PreloadVista™ Limited WorkhorseAvail NameType-modelbay Processor GHz cache Tech core Memory8 disk optical Graphics IAMT switch capable warranty1 Gbl, Educ date M52 8113-F8U 4x4 Pentium® D 820 2.80 2x1MB Dual 512MB 80GB2 Combo GMA XP Pro Yes 3-yr Jun 05 M52 8113-FBU 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr Jun 05 M52 8113-G7U 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 80GB Combo GMA XP Pro Yes 3-yr Educ Aug 06 M52 8113-J3U 4x4 Pentium D 920 2.80 2x2MB Yes Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr Apr 06 M52 8113-JDU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 80GB DVD GMA Yes XP Pro Yes 3-yr Sep 06 M52 8113-JEU 4x4 Pentium D 925 3.00 2x2MB Dual 1GB 80GB Combo GMA XP Pro Yes 3-yr Sep 06 M52 8113-K3U 4x4 Pentium D 930 3.00 2x2MB Yes Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr Apr 06 M52 8113-K4U 4x4 Pentium D 930 3.00 2x2MB Yes Dual 1GB 80GB Combo GMA XP Pro Yes 3-yr Apr 06 M52 8113-95U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 80GB Combo GMA IAMT XP Pro Yes 3-yr Aug 06 M52 8113-96U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 80GB Combo GMA XP Pro Yes 3-yr Aug 06 M52 8113-97U 4x4 Pentium D 945 3.40 2x2MB Dual 1GB 80GB Combo GMA XP Pro Yes 3-yr Aug 06 M52 8113-98U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr Aug 06 M52 8113-9FU 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 160GB DVD±RW GMA XP Pro Yes 3-yr Educ Aug 06 ☞ M52 8113-9GU 4x4 Pentium D 945 3.40 2x2MB Dual 1GB 80GB DVD GMA XP Pro Yes 3-yr WH G Nov 06 Positioning Stability and manageability for the enterprise Tower Processor Intel® Pentium D Processor 820 with dual-core, EM64T, • Business black color optical Execute Disable Bit, and 800MHz system bus with • 2x1MB L2 cache or 7.0" W X 17.7"D X 17.0"H ② • 178mm W X 450mm D X 432mm H diskette Intel Pentium D Processor 920, 925, 930, or 945 with dual-core, • Virtualization Technology (920/930), EM64T, Execute Disable Bit, 25.0 to 27.5 lb (11.3 to 12.5 kg) disk • Handle on top front EIST, and 800MHz system bus with 2x2MB L2 cache • Implementation Processor and L2 cache in FC-LGA4 or LGA6 in LGA775 socket Thumbscrew to remove bay 3 and 4 • Toolless install and removal of disk, Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only optical, diskette Memory Four 240-pin gold plated DIMM sockets / one socket used / • Toolless install and removal of side cover PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • Toolless install and removal of adapter unbuffered / dual-channel capable cards Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Bay ① 5.25", HH 1.6", access, std optical graphics in 945G GMCH / uses main memory / 400MHz / Bay ② 5.25", HH 1.6" access, open one 15-pin analog D-sub connector / Bay ③ 3.5", SL 1", access, std diskette supports dual independent display with optional ADD2 adapter Bay ④ 3.5", SL 1", no access, std disk SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening mounts Slot 1: full-length, full-height, PCI Express x16 (75w max) SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 Slot 2: full-length, full-height, PCI Express x1 SATA cables One SATA cable (one 1-drop to disk) / 4 SATA connectors on planar Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo EIDE DVD±RW Some: DVD and CD burner / Multi-Burner Plus (part 73P3370) SECURITY EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Security chip (see information on left) EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • One lock to secure both cover and Diskette drive 3.5" 1.44MB diskette drive entire system to fi xed object: Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub - Padlock loop (in rear for opt padlock) (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, - Security slot (in rear for optional PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / Kensington Microsaver cable) Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, - No keylock serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Power-on password • Administrator password Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Hard disk password (user and master) Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Boot sequence control mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Boot without keyboard, mouse, diskette Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software parallel, diskette enable or disable Speaker One internal speaker for business audio • Disk, removable, and network device Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / boot password full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot • Diskette write protect IAMT Some: Intel Active Management Technology (IAMT) • Front USB port disablement Modem None • Some: cover intrusion switch Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black Supports ThinkVantage® technologies Mouse Optical Wheel Mouse (USB only), 400 dpi, black Power supply 310 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 Preload with Windows XP Professional5 Accessories ➫ 3-year parts and labor Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ International Warranty Service9 ➫ Preloaded (only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Customer Replaceable Unit (CRU) • Education models: VitalSource Library 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 parts only (with limited onsite service 160GB Serial ATA150 Disk (7200 rpm) 09N4254 for selected parts3, 8 am - 5 pm, education software ± • Education models: Adobe® Photoshop® Super Multi-Burner DL DVD RW Drive 41N5581 Mon - Fri coverage excluding holidays, Elements plus Adobe Premiere® Elements USB 2.0/Analog Headset by Sennheiser 40Y8518 next business day response time) • USB 2.0 Lenovo Webcam 40Y8519 ➫ Onsite service upgrade options ThinkVantage Productivity Center 7 • Multimedia Center for Think Offerings USB 2.0 Essential Memory Key 2GB 41U4944 (in eligible locations): ± USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • 3-year LOR 9x5, 4 hour response (combo, DVD, DVD RW) ™ • Sonic RecordNow and Drive Letter Access USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9192) (combo, DVD±RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 3-year LOR 24x7, 4 hour response • Lenovo D221 Wide 22" Monitor (black) 6622HB1 (ThinkPlus part number 41C9193) InterVideo WinDVD (combo, DVD, ® ➫ DVD±RW) ThinkVision L201p 20.1" Monitor (black) 9220HB1 Other ThinkPlus services at • InterVideo WinDVD Creator (DVD±RW) Lenovo Laser Mouse (USB, PS/2) 41U3074 lenovo.com/thinkplus/warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance CD ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 services available • Education models: Adobe Photoshop ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Elements plus Adobe Premiere Elements Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo ☞ US model announced Nov 7, 2006; previous models on Jun 28, 2005 and Apr 4, Aug 22, and Sep 26, 2006 (VR3) November 2006 ThinkCentre® M52 Desktop (8212) - Celeron Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- SATA EIDE Chipset Cover Floor Preload Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz Thread Memory8 disk optical Graphics switch stand warranty1 Gbl, Educ date M52 8212-A1U 3x3 Celeron® D 331 2.66 256K 533 No 256MB 40GB2 CD GMA 950 945G No Yes XP Pro 3-yr No Aug 05 M52 8212-A2U 3x3 Celeron D 336 2.80 256K 533 No 512MB 40GB CD GMA 950 945G No Yes XP Pro 3-yr No Aug 05 M52 8212-A3U 3x3 Celeron D 346 3.06 256K 533 No 512MB 40GB CD GMA 950 945G No Yes XP Pro 3-yr No Aug 05

Positioning Stability and manageability for the enterprise Desktop disk Processor Intel® Celeron D Processor 331 (2.66GHz), 336 (2.80GHz), optical 346 (3.06GHz) with single-core, EM64T, Execute Disable Bit, diskette and 533MHz system bus L2 cache 256KB std and max / ECC / full speed Bay ① 5.25", HH 1.6", access, std or opt optical Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ② 3.5", SL 1", access, std or opt diskette ③ Memory - std/max8 256 or 512MB std / 4GB max / DDR2 only Bay 3.5", SL 1", no access, std disk Memory Four 240-pin gold plated DIMM sockets / one socket used / Slot 1: full-length (170mm), low-profi le, PCI Express x16 PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / (25w max), supports optional ADD2 card unbuffered / dual-channel capable Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • Business black color; metal case graphics in 945G GMCH / uses main memory (up to 128MB • with 256MB+) / 400MHz / one 15-pin analog D-sub connector 13.8" W X 15.2"D X 4.2"H • 350mm W X 385mm D X 108mm H SATA disk 40GB / SATA150 7200 rpm / vibration dampening mounts • With vertical stand: 5.9" W X 15.2"D X 15.0"H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • With vertical stand: 150mm W X 385mm D X 380mm H SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • 18.5 to 22.0 lb (8.4 to 10.0 kg) EIDE CD 48X-20X4 CD-ROM • All three bays fl ip up (latched and pivoting) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless cover fl ips up and tilts backward on rear hinges EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless disk, diskette drive, optical drive removal Diskette drive 3.5" 1.44MB diskette drive • Two slots on riser card (PCI) • Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub Toolless systemboard and adapter retention • Steel chassis supports 100 lb (45kg) monitor on top (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, • ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, LPC interface / System fl oor stand for vertical orientation (ships std) Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, • PC 2001-compliant serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • ACPI 2.0c-compliant

Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • SMBIOS 2.3.4-compliant Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • DMI 2.0-compliant • SMBus 2.0-compliant mouse (PS/2), ethernet (RJ-45), monitor (DB-15) 19 Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Asset ID (system specifi c info in chip) ® Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software SECURITY Speaker One internal speaker for business audio Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • Security chip (see information on left) full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot • Security slot (in rear for attachment of Modem None optional Kensington Microsaver cable) Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant - optional cable also locks the cover by deactivating the cover release buttons Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), blk • U-bolt anchoring feature (U-bolt is Mouse Optical Wheel Mouse (USB only), 400 dpi, black optional; supports optional padlock) Cooling fans Three variable speed fans (two front and one power supply) • Power-on password Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Administrator password • 5 Hard disk password (user and master) Preload with Windows XP Professional Accessories • Boot sequence control Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • Boot without keyboard, mouse, diskette with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • USB, ethernet, SATA, EIDE, serial, - Disk-to-Disk Recovery (in hidden 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 parallel, diskette enable or disable protected area) 160GB Serial ATA300 Disk (7200 rpm) 09N4254 • Disk, removable, and network device 250GB Serial ATA300 Disk (7200 rpm) 41N3015 boot password Preloaded ± • Access Program Super Multi-Burner DL DVD RW Drive 41N5581 • Diskette write protect • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 • Front USB port disablement USB Fingerprint Reader 41U3167 • Adobe Reader ® • USB Gemplus GemPC Smart Card Reader 41N3040 Supports ThinkVantage technologies; Norton AntiVirus (OEM version) visit thinkcentre.com/thinkvantage • PC-Doctor™ (diagnostics) USB 2.0/Analog Headset by Sennheiser 40Y8518 • Client Security Software USB 2.0 Lenovo Webcam 40Y8519 1 USB 2.0 Memory Key 512MB 40Y8596 LIMITED WARRANTY Downloadable USB 2.0 Memory Key 1GB 40Y7421 ➫ 3-year parts and labor • Software Delivery Assistant USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ International Warranty Service9 • System Migration Assistant USB 2.0 Portable 120GB Hard Disk 41N8379 ➫ Customer Replaceable Unit (CRU) • IBM Director Agent USB 2.0 Super Multi-Burner Drive 41N5565 parts only (with limited onsite service License - CD not included Lenovo L191 19" Monitor (black) 6135AB1 for selected parts3, 8 am - 5 pm, - Lotus® SmartSuite® Millennium and Lenovo L192 Wide 19" Monitor (black) 6920AB1 Mon - Fri coverage excluding holidays, Lotus Notes® Stand-alone Client Lenovo D221 Wide 22" Monitor (black) 6622HB2 next business day response time) ThinkVision® L171 17" Monitor (black) 9417AC1 ➫ Onsite service upgrade options ThinkVision L171p 17" Monitor (black) 9417HC2 (in eligible locations):7 ThinkVision L192p 19" Monitor (black) 9419HC2 • 3-year LOR 24x7, 4 hour response ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus™ part number 41C9193) ScrollPoint® Pro Optical Mouse (black) 31P8700 • 4-year LOR 9x5, Next Business Day Lenovo Laser Mouse (USB, PS/2) 41U3074 (ThinkPlus part number 41C9194) Enhanced Performance USB Keyboard 73P2620 • 4-year LOR 9x5, 4 hour response Preferred Pro USB Fingerprint Keyboard 73P4730 (ThinkPlus part number 41C9195) Kensington® MicroSaver® Desktop Lock 06P3839 ➫ Other ThinkPlus services at DVI-I PCIe Connection Adapter (ADD2) 73P2516 lenovo.com/thinkplus/warranty ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US models announced August 23, 2005 (VR7) August 2005 ThinkCentre® M52 Desktop (8212) - Pentium 4 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Execute Diskette SATA EIDE Cover Intel Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHzThread disable Memory8 drive disk optical Graphics switch AMT board warranty1 Gbl, Educ date M52 8212-21U 3x3 Pentium® 4 516 2.93 1MB 533 512MB Dskte 40GB2 CD GMA Pref 3-year Aug 05 M52 8212-22U 3x3 Pentium 4 516 2.93 1MB 533 512MB Dskte 80GB DVD GMA Pref 3-year Aug 05 M52 8212-23U 3x3 Pentium 4 519 3.06 1MB 533 XD 512MB Dskte 40GB CD GMA Pref 3-year Aug 05 M52 8212-24U 3x3 Pentium 4 519 3.06 1MB 533 XD 512MB Dskte 80GB DVD GMA Pref 3-year Aug 05 ☞ M52 8212-29U 3x3 Pentium 4 521 2.80 1MB 800 HT XD 512MB 80GB CD GMA Pref 3-year Jun 06 ☞ M52 8212-2AU 3x3 Pentium 4 521 2.80 1MB 800 HT XD 512MB 80GB Combo GMA Pref 3-year Jun 06 M52 8212-12U 3x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Dskte 40GB CD GMA Pref 3-year Aug 05 M52 8212-13U 3x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Dskte 80GB Combo GMA Pref 3-year Aug 05 M52 8212-15U 3x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Dskte 80GB DVD GMA Switch Finger 3-year Aug 05 M52 8212-16U 3x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year W G Aug 05 ✂ M52 8212-1DU 3x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year G Aug 05 ✂ M52 8212-1MU 3x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year Aug 05 M52 8212-1QU 3x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year G Aug 05 M52 8212-1YU 3x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Dskte 80GB Combo GMA Pref 3-year Aug 05 M52 8212-H1U 3x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Dskte 80GB DVD GMA IAMT Pref 3-year G Aug 05 M52 8212-1SU 3x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year Aug 05 M52 8212-E1U 3x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Dskte 40GB CD GMA Pref 3-year Aug 05 M52 8212-E2U 3x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Dskte 80GB Combo GMA Pref 3-year Aug 05 M52 8212-1VU 3x3 Pentium 4 650 3.40 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year Aug 05 M52 8212-F1U 3x3 Pentium 4 650 3.40 2MB 800 HT XD 512MB Dskte 40GB CD GMA Pref 3-year Aug 05 M52 8212-F2U 3x3 Pentium 4 650 3.40 2MB 800 HT XD 512MB Dskte 80GB Combo GMA Finger 3-year Aug 05 M52 8212-H2U 3x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB 40GB CD GMA Pref 3-year Nov 05 M52 8212-E7U 3x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year G Nov 05 M52 8212-L4U 3x3 Pentium 4 661 3.60 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year Jan 06 M52 8212-L6U 3x3 Pentium 4 661 3.60 2MB 800 HT XD 1GB Dskte 80GB Combo GMA Pref 3-year Jan 06 M52 8212-H9U 3x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Dskte 80GB DVD GMA Pref 3-year Educ Apr 06 M52 8212-EBU 3x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Dskte 80GB Combo GMA Pref 3-year Educ Apr 06 Processor Intel® Pentium 4 Processor 516, 519, 521,531, 541, 551, 630, 640 Desktop 650, or 661 with single-core, EM64T, and 533 or 800MHz bus disk optical Processor featuresSome: Hyper-Threading (HT) technology, Execute Disable Bit (XD) diskette L2 cache 1MB or 2MB std and max / ECC / full speed Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ① 5.25", HH 1.6", access, std or opt optical Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Bay ② 3.5", SL 1", access, std or opt diskette Memory Four 240-pin gold plated DIMM sockets / one socket used / Bay ③ 3.5", SL 1", no access, std disk PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 1: full-length (170mm), low-profi le, PCI Express x16 unbuffered / dual-channel capable (25w max), supports optional ADD2 card Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) graphics / uses main memory / 400MHz / one 15-pin analog connector • Business black color; metal case SATA disk 40 or 80GB / SATA150 7200 rpm / vibration dampening mounts • 13.8" W X 15.2"D X 4.2"H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • 350mm W X 385mm D X 108mm H SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • With vertical stand: 5.9" W X 15.2"D X 15.0"H EIDE CD Some: 48X-20X4 CD-ROM • With vertical stand: 150mm W X 385mm D X 380mm H EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • 18.5 to 22.0 lb (8.4 to 10.0 kg) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • All three bays fl ip up (latched and pivoting) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless cover fl ips up and tilts backward on rear hinges EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless disk, diskette drive, optical drive removal Diskette drive Some: 3.5" 1.44MB diskette drive • Two slots on riser card (PCI) Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub • Toolless systemboard and adapter retention (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, • Steel chassis supports 100 lb (45kg) monitor on top ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count • System fl oor stand for vertical orientation (ships std) interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log SECURITY Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Security chip (see information on left) Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Security slot (in rear for attachment of mouse (PS/2), ethernet (RJ-45), monitor (DB-15) optional Kensington Microsaver cable) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) - optional cable also locks the cover by Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software deactivating the cover release buttons Speaker One internal speaker for business audio • U-bolt anchoring feature (U-bolt is Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 optional; supports optional padlock) Intel AMT Some: Intel Active Management Technology (IAMT) • Power-on password Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • Administrator password • Hard disk password (user and master) Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black • Boot sequence control (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), blk • Boot without keyboard, mouse, diskette Mouse Optical Wheel Mouse (USB only), 400 dpi, black • USB, ethernet, SATA, EIDE, serial, Cooling fans Three variable speed fans (two front and one power supply) parallel, diskette enable or disable Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Disk, removable, and network device

5 boot password Preload with Windows XP Professional Accessories • Diskette write protect ® ® Microsoft Windows XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • Front USB port disablement Preloaded (only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • Some: cover intrusion switch • Some: contains additional module with a 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • Some: fi ngerprint reader keyboard specialized education preload image in 250GB Serial ATA300 Disk (7200 rpm) 41N3015 USB 2.0 Essential Memory Key 2GB 41U4944 ➫ 3-year parts and labor limited warranty1 the base preload package ® ➫ Customer Replaceable Unit (CRU) • Multimedia Center for Think Offerings ThinkVision L201p 20.1" Monitor (black) 9220HB1 DVI-I PCIe Connection Adapter (ADD2) 73P2516 parts only (with limited onsite service (DVD, combo models) 3 • ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 for selected parts , 8 am - 5 pm, RecordNow and DLA (combo models) Mon - Fri coverage excluding holidays, • InterVideo WinDVD (combo models) ATI X1300 256MB Dual Head/TV-out 41U5028 Other accessories at lenovo.com/accessories next business day response time) See footnotes for important warranty information © Lenovo ☞ US models announced June 6, 2006; previous models on Aug 23 or Nov 8, 2005 or Jan 24 or April 4, 2006 (VR8) June 2006 ✂ US models withdrawn effective May 2006 ThinkCentre® M52 Desktop (8212) - Pentium 4 (August 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Execute Diskette SATA EIDE Cover Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHzThread disable Memory8 drive disk optical Graphics switch board warranty1 Gbl, Educ date M52 8212-3BU 3x3 Pentium® 4 531 3.00 1MB 800 HT XD 512MB Dskte 80GB DVD GMA 950 No Pref 3-year Educ Aug 06 M52 8212-44U 3x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Dskte 80GB DVD GMA 950 No Pref 3-year Aug 06 M52 8212-45U 3x3 Pentium 4 541 3.20 1MB 800 HT XD 1GB Dskte 80GB Combo GMA 950 No Pref 3-year Aug 06

Positioning Stability and manageability for the enterprise Desktop Processor Intel® Pentium 4 Processor 531 or 541 with single-core, EM64T, disk optical Hyper-Threading (HT) technology, Execute Disable Bit (XD), diskette 800MHz system bus, and 1MB L2 cache Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ① 5.25", HH 1.6", access, std or opt optical Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Bay ② 3.5", SL 1", access, std or opt diskette Memory Four 240-pin gold plated DIMM sockets / one socket used / Bay ③ 3.5", SL 1", no access, std disk PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 1: full-length (170mm), low-profi le, PCI Express x16 unbuffered / dual-channel capable (25w max), supports optional ADD2 card Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) graphics in 945G GMCH / uses main memory (up to 128MB with 256MB+) / 400MHz / one 15-pin analog D-sub connector • Business black color; metal case • 13.8" W X 15.2"D X 4.2"H SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • 350mm W X 385mm D X 108mm H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • With vertical stand: 5.9" W X 15.2"D X 15.0"H SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • With vertical stand: 150mm W X 385mm D X 380mm H EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • 18.5 to 22.0 lb (8.4 to 10.0 kg) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • All three bays fl ip up (latched and pivoting) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless cover fl ips up and tilts backward on rear hinges EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless disk, diskette drive, optical drive removal Diskette drive 3.5" 1.44MB diskette drive • Two slots on riser card (PCI) Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub • Toolless systemboard and adapter retention (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, • Steel chassis supports 100 lb (45kg) monitor on top ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count • System fl oor stand for vertical orientation (ships std) interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, serial, parallel, diskette, keybrd, mouse, auto-thermal SECURITY controls, hardware event log • Security chip (see information on left) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Security slot (in rear for attachment of Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), optional Kensington Microsaver cable) mouse (PS/2), ethernet (RJ-45), monitor (DB-15) - optional cable also locks the cover by Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) deactivating the cover release buttons Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • U-bolt anchoring feature (U-bolt is Speaker One internal speaker for business audio optional; supports optional padlock) Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • Power-on password Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • Administrator password • Hard disk password (user and master) Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Boot sequence control Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Boot without keyboard, mouse, diskette Cooling fans Three variable speed fans (two front and one power supply) • USB, ethernet, SATA, EIDE, serial, Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs parallel, diskette enable or disable • Disk, removable, and network device Preload with Windows XP Professional5 Accessories boot password Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • Diskette write protect - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • Front USB port disablement protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Preloaded 160GB Serial ATA300 Disk (7200 rpm) 09N4254 250GB Serial ATA300 Disk (7200 rpm) 41N3015 • Education model: VitalSource Library ¨ Super Multi-Burner DL DVD±RW Drive 41N5581 Supports ThinkVantage technologies; education software visit thinkcentre.com/thinkvantage • Education model: Adobe® Photoshop® USB Portable Diskette Drive 05K9276 ® USB Fingerprint Reader 41U3167 Elements plus Adobe Premiere Elements LIMITED WARRANTY1 • Rescue and Recovery™ USB Gemplus GemPC Smart Card Reader 41N3040 • ™ USB 2.0/Analog Headset by Sennheiser 40Y8518 ➫ 3-year parts and labor Client Security Solution ➫ • ThinkVantage Productivity Center USB 2.0 Lenovo Webcam 40Y8519 Customer Replaceable Unit (CRU) • USB 2.0 Memory Key 512MB 40Y8596 parts only (with limited onsite service ThinkVantage System Update 3 • Symantec® Client Security™ USB 2.0 Memory Key 1GB 40Y7421 for selected parts , 8 am - 5 pm, • Diskeeper Lite USB 2.0 Essential Memory Key 2GB 41U4944 Mon - Fri coverage excluding holidays, • PC-Doctor™ (diagnostics) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 next business day response time) • USB 2.0 Portable 120GB Hard Disk 41N8379 ➫ Onsite service upgrade options Google Toolbar 7 • Google Desktop USB 2.0 Super Multi-Burner Drive 41N5565 (in eligible locations): • Lenovo L191 19" Monitor (black) 6135AB1 • 3-year LOR 9x5, 4 hour response Picasa from Google ™ • Multimedia Center for Think Offerings Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9192) Lenovo D221 Wide 22" Monitor (black) 6622HB2 • 3-year LOR 24x7, 4 hour response (Combo, DVD) ® • Sonic RecordNow and Drive Letter Access ThinkVision L171p 17" Monitor (black) 9417HC2 (ThinkPlus part number 41C9193) (Combo, DVD) ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 9x5, 4 hour response • ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9195) InterVideo WinDVD (combo, DVD) ® ® Kensington MicroSaver Desktop Lock 06P3839 • 4-year LOR 24x7, 4 hour response CD Enhanced Performance USB Keyboard 73P2620 (ThinkPlus part number 41C9196) • Education model: Adobe Photoshop Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ Other ThinkPlus services at Elements plus Adobe Premiere Elements ScrollPoint® Pro Optical Mouse (black) 31P8700 lenovo.com/thinkplus/warranty License - CD not included Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post warranty maintenance - Lotus® SmartSuite® Millennium and DVI-I PCIe Connection Adapter (ADD2) 73P2516 services available Lotus Notes® Stand-alone Client ATI ® X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1

See footnotes for important warranty information © Lenovo US models announced August 1, 2006 (VR3-3) August 2006 ThinkCentre® M52 Desktop (8212) - Pentium D Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Dual Diskette SATA EIDE Intel Floor Vista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache core Memory8 drive disk optical Graphics IAMT stand capable warranty1 Gbl, Educ date M52 8212-G1U 3x3 Pentium® D 820 2.80 2x1MB Dual 512MB Dskte 80GB2 Combo GMA Yes Yes 3-year Aug 05 M52 8212-G2U 3x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB DVD GMA Yes Yes 3-year Aug 05 M52 8212-G3U 3x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB Combo GMA No Yes 3-year Nov 05 M52 8212-G9U 3x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB DVD GMA Yes Yes 3-year Aug 06 M52 8212-GAU 3x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB Combo GMA Yes Yes 3-year Educ Aug 06 M52 8212-J3U 3x3 Pentium D 920 2.80 2x2MB Dual 512MB Dskte 80GB DVD GMA Yes Yes 3-year Jan 06 ☞ M52 8212-JCU 3x3 Pentium D 925 3.00 2x2MB Dual 512MB 80GB DVD GMA Yes Yes 3-year Sep 06 ☞ M52 8212-JDU 3x3 Pentium D 925 3.00 2x2MB Dual 1GB 80GB Combo GMA Yes Yes 3-year Sep 06 M52 8212-K3U 3x3 Pentium D 930 3.00 2x2MB Dual 512MB Dskte 80GB DVD GMA Yes Yes 3-year Jan 06 M52 8212-K4U 3x3 Pentium D 930 3.00 2x2MB Dual 1GB Dskte 80GB Combo GMA Yes Yes 3-year Jan 06 M52 8212-84U 3x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB Combo GMA IAMT Yes Yes 3-year Aug 06 M52 8212-85U 3x3 Pentium D 945 3.40 2x2MB Dual 1GB Dskte 80GB Combo GMA Yes Yes 3-year Gbl Aug 06 M52 8212-86U 3x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB DVD GMA IAMT Yes Yes 3-year Gbl Aug 06 M52 8212-87U 3x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB DVD GMA Yes Yes 3-year Aug 06 M52 8212-8CU 3x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 160GB DVD±RW GMA Yes Yes 3-year Educ Aug 06

Positioning Stability and manageability for the enterprise Desktop disk Processor Intel® Pentium D Processor 820 with dual-core, EM64T, optical Execute Disable Bit, and 800MHz bus with 2x1MB L2 cache or diskette Intel Pentium D Processor 920, 925, 930, or 945 with dual-core, Virtualization Technology (920/930), EM64T, Execute Disable Bit, Bay ① 5.25", HH 1.6", access, std or opt optical EIST, and 800MHz system bus with 2x2MB L2 cache Bay ② 3.5", SL 1", access, std or opt diskette Implementation Processor and L2 cache in FC-LGA4 or LGA6 in LGA775 socket Bay ③ 3.5", SL 1", no access, std disk Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Slot 1: full-length (170mm), low-profi le, PCI Express x16 Memory Four 240-pin gold plated DIMM sockets / one socket used / (25w max), supports optional ADD2 card PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Business black color; metal case • 13.8" W X 15.2"D X 4.2"H graphics in 945G GMCH / uses main memory / 400MHz / • one 15-pin analog D-sub connector 350mm W X 385mm D X 108mm H • With vertical stand: 5.9" W X 15.2"D X 15.0"H SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening mounts • With vertical stand: 150mm W X 385mm D X 380mm H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • 18.5 to 22.0 lb (8.4 to 10.0 kg) SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors • All three bays fl ip up (latched and pivoting) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • Toolless cover fl ips up and tilts backward on rear hinges EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • Toolless disk, diskette drive, optical drive removal EIDE DVD±RW Some: DVD and CD burner / Multi-Burner Plus (part 73P3370) • Two slots on riser card (PCI) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless systemboard and adapter retention EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Steel chassis supports 100 lb (45kg) monitor on top Diskette drive Some: 3.5" 1.44MB diskette drive • Floor stand for vertical orientation (some models) Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, SECURITY ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, LPC interface / • Security chip (see information on left) Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, • Security slot (in rear for attachment of serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log optional Kensington Microsaver cable) - optional cable also locks the cover by Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) deactivating the cover release buttons Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • U-bolt anchoring feature (U-bolt is mouse (PS/2), ethernet (RJ-45), monitor (DB-15) optional; supports optional padlock) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® Power-on password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • ® Boot sequence control full duplex / Wake on LAN / PXE 2.0 and RPL remote boot • Boot without keyboard, mouse, diskette IAMT Some: Intel Active Management Technology (IAMT) • USB, ethernet, SATA, EIDE, serial, Modem None parallel, diskette enable or disable Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • Disk, removable, and network device Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), blk boot password Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Diskette write protect Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Front USB port disablement Preload with Windows XP Professional5 Accessories ® Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 Supports ThinkVantage technologies Preloaded (only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 LIMITED WARRANTY1 • Education models: VitalSource Library 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ 3-year parts and labor education software ± ➫ Customer Replaceable Unit (CRU) • Education models: Adobe® Photoshop® Super Multi-Burner DL DVD RW Drive 41N5581 ® USB 2.0 Lenovo Webcam 40Y8519 parts only (with limited onsite service Elements plus Adobe Premiere Elements 3 • USB 2.0 Essential Memory Key 2GB 41U4944 for selected parts , 8 am - 5 pm, ThinkVantage Productivity Center Mon - Fri coverage excluding holidays, • ThinkVantage System Update USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 USB 2.0 Portable 120GB Hard Disk 41N8379 next business day response time) • Multimedia Center for Think Offerings ➫ ± USB 2.0 Super Multi-Burner Drive 41N5565 Onsite service upgrade options (combo, DVD, DVD RW) (in eligible locations):7 • Sonic RecordNow and Drive Letter Access Lenovo L192 Wide 19" Monitor (black) 6920AB1 ± ThinkVision® L171p 17" Monitor (black) 9417HC2 • 3-year LOR 24x7, 4 hour response (combo, DVD RW) (ThinkPlus™ part number 41C9193) • InterVideo WinDVD (combo, DVD, ThinkVision L201p 20.1" Monitor (black) 9220HB1 ± Enh Perf Wireless Keyboard and Mouse 73P4067 • 4-year LOR 24x7, 4 hour response DVD RW) (ThinkPlus part number 41C9196) • InterVideo WinDVD Creator (DVD±RW) Preferred Pro USB Fingerprint Keyboard 73P4730 DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Other ThinkPlus services at CD ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty • Education models: Adobe Photoshop ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Elements plus Adobe Premiere Elements Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo ☞ US models announced Sep 26, 2006; previous models on Aug 23 and Nov 8, 2005, and Jan 24, Aug 1, and Aug 22, 2006 (VR9) March 2007 ThinkCentre® M52 Small (8215) - Celeron Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- SATA EIDE Chipset Cover Preload Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz Thread Memory8 disk optical Graphics switch warranty1 Gbl, Educ date M52 8215-A1U 2x3 Celeron® D 331 2.66 256K 533 No 256MB 40GB2 CD GMA 950 945G No XP Pro 3-yr No Jun 05 M52 8215-A2U 2x3 Celeron D 336 2.80 256K 533 No 512MB 40GB CD GMA 950 945G No XP Pro 3-yr No Jun 05 M52 8215-B2U 2x3 Celeron D 346 3.06 256K 533 No 512MB 40GB CD GMA 950 945G No XP Pro 3-yr No Jun 05

Positioning Stability and manageability for the enterprise Small diskette Processor Intel® Celeron D Processor 331 (2.66GHz), 336 (2.80GHz), Optical 346 (3.06GHz) with single-core, EM64T, Execute Disable Bit, disk and 533MHz system bus L2 cache 256KB std and max / ECC / full speed Bay ① 3.5", slim .5", access, std diskette Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ② 5.25", HH 1.6", access, std optical ③ Memory - std/max8 256 or 512MB std / 4GB max / DDR2 only Bay 3.5", SL 1", no access, std disk Memory Two 240-pin gold plated DIMM sockets / one socket used / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 2: half-length (175mm), full-height, PCI Express x1 unbuffered / dual-channel capable (x16 slot; supports optional DVI-I PCIe adptr only) • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated Business black color; metal case • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) graphics in 945G GMCH / uses main memory (up to 128MB • with 256MB+) / 400MHz / one 15-pin analog D-sub connector 310mm W X 358mm D X 85mm H (87.5mm H with feet) • With vertical stand: 5.0" W X 15.4"D X 13.6"H SATA disk 40GB / SATA150 7200 rpm / vibration dampening mounts • With vertical stand: 127mm W X 390mm D X 346mm H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • 18.7 to 20.0 lb (8.5 to 9.1 kg) SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • Bays 1 and 2/3 fl ip up (latched and pivoting) EIDE CD 48X-20X4 CD-ROM • Toolless cover fl ips up and tilts backward on rear hinges EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless disk, diskette drive, optical drive removal EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Two slots on riser card (PCI and PCI Express x1) Diskette drive 3.5" 1.44MB diskette drive • Toolless PCI slots and riser card retention • Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub Toolless systemboard retention • Steel chassis supports 100 lb (45kg) monitor on top (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, • ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, LPC interface / System stand for vertical orientation ® Winbond PC8375S Super I/O for security chip (TPM), Asset ID, • PC 2001-compliant serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • ACPI 2.0c-compliant Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • SMBIOS 2.3.4-compliant Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), • DMI 2.0-compliant mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • SMBus 2.0-compliant Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Asset ID19 (system specifi c info in chip) Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software Speaker One internal speaker for business audio SECURITY Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • Security chip (see information on left) full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot • Security slot (in rear for attachment of Modem None optional Kensington Microsaver cable) Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant - optional cable also locks the cover by Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black deactivating the cover release buttons Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Power-on password Cooling fans Three variable speed fans (two front and one power supply) • Administrator password Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Hard disk password (user and master) • Boot sequence control Preload with Windows XP Professional5 Accessories • Boot without keyboard, mouse, diskette • Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 USB, ethernet, SATA, EIDE, serial, parallel, diskette enable or disable with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • - Disk-to-Disk Recovery (in hidden 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Disk, removable, and network device boot password protected area) 160GB Serial ATA300 Disk (7200 rpm) 09N4254 • 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Diskette write protect Preloaded ± • Front USB port disablement • Access Program Super Multi-Burner DL DVD RW Drive 41N5581 • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 • Adobe Reader USB Fingerprint Reader 41U3167 ® USB Gemplus GemPC Smart Card Reader 41N3040 Supports ThinkVantage technologies; • Norton AntiVirus (OEM version) visit thinkcentre.com/thinkvantage • PC-Doctor™ (diagnostics) USB 2.0/Analog Headset by Sennheiser 40Y8518 • Client Security Software USB 2.0 Lenovo Webcam 40Y8519 1 USB 2.0 Memory Key 512MB 40Y8596 LIMITED WARRANTY Downloadable USB 2.0 Memory Key 1GB 40Y7421 ➫ 3-year parts and labor • Software Delivery Assistant USB 2.0 Essential Memory Key 2GB 41U4944 ➫ International Warranty Service9 • System Migration Assistant USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ Customer Replaceable Unit (CRU) • IBM Director Agent USB 2.0 Portable 120GB Hard Disk 41N8379 parts only (with limited onsite service License - CD not included USB 2.0 Super Multi-Burner Drive 41N5565 for selected parts3, 8 am - 5 pm, - Lotus® SmartSuite® Millennium and Lenovo L191 19" Monitor (black) 6135AB1 Mon - Fri coverage excluding holidays, Lotus Notes® Stand-alone Client Lenovo L192 Wide 19" Monitor (black) 6920AB1 next business day response time) Lenovo D221 Wide 22" Monitor (black) 6622HB2 ➫ Onsite service upgrade options ThinkVision® L171p 17" Monitor (black) 9417HC2 (in eligible locations):7 ThinkVision L192p 19" Monitor (black) 9419HC2 • 3-year LOR 24x7, 4 hour response ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus™ part number 41C9193) ScrollPoint Pro Optical Mouse (black) 31P8700 • 4-year LOR 9x5, 4 hour response Optical 3-button ScrollPoint Mouse (black) 31P7405 (ThinkPlus part number 41C9195) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response Kensington® MicroSaver® Desktop Lock 06P3839 (ThinkPlus part number 41C9196) Enhanced Performance USB Keyboard 73P2620 ➫ Other ThinkPlus services at Preferred Pro USB Keyboard 73P5220 lenovo.com/thinkplus/warranty Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US models announced June 28, 2005 (VR4) June 2005 ThinkCentre® M52 Small (8215) - Pentium 4 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Execute Diskette SATA EIDE GraphicsCover Intel Key- Limited Workhorse Avail NameType-modelbay ProcessorGHz cache MHzThread disable Memory8 drive disk optical switchAMTboard warranty1 Gbl, Educ date M52 8215-13U 2x3 Pentium® 4 516 2.93 1MB 533 512MB 40GB2 CD GMA Pref 3-yr Jun 05 M52 8215-14U 2x3 Pentium 4 516 2.93 1MB 533 512MB Diskette 80GB DVD GMA Pref 3-yr Jun 05 M52 8215-21U 2x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB 40GB CD GMA Pref 3-yr Jun 05 M52 8215-22U 2x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Diskette 40GB CD GMA Pref 3-yr Jun 05 M52 8215-23U 2x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05 M52 8215-25U 2x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Yes Finger 3-yr Jun 05 M52 8215-29U 2x3 Pentium 4 531 3.00 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr W G Jun 05 ✂ M52 8215-31U 2x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Diskette 40GB CD GMA Pref 3-yr Jun 05 ✂ M52 8215-32U 2x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05 ✂ M52 8215-34U 2x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB 80GB DVD GMA Pref 3-yr Jun 05 ✂ M52 8215-35U 2x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr G Jun 05 ✂ M52 8215-36U 2x3 Pentium 4 541 3.20 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Yes Finger 3-yr Jun 05 ✂ M52 8215-41U 2x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB Diskette 40GB CD GMA Pref 3-yr Jun 05 ✂ M52 8215-42U 2x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05 ✂ M52 8215-44U 2x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB 80GB DVD GMA Pref 3-yr Jun 05 ✂ M52 8215-45U 2x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr Jun 05 ✂ M52 8215-46U 2x3 Pentium 4 551 3.40 1MB 800 HT XD 512MB Diskette 80GB DVD GMA Yes Finger 3-yr Jun 05 M52 8215-D1U 2x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr W G Jun 05 M52 8215-D6U 2x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05 ☞ M52 8215-D7U 2x3 Pentium 4 630 3.00 2MB 800 HT XD 512MB Diskette 80GB DVD GMA IAMT Pref 3-yr W G Aug 05 M52 8215-E1U 2x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr Jun 05 M52 8215-E7U 2x3 Pentium 4 640 3.20 2MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05 M52 8215-F1U 2x3 Pentium 4 650 3.40 2MB 800 HT XD 512MB Diskette 80GB DVD GMA Pref 3-yr Jun 05 M52 8215-F6U 2x3 Pentium 4 650 3.40 2MB 800 HT XD 512MB Diskette 80GB Combo GMA Pref 3-yr Jun 05

® Processor Intel Pentium 4 Processor 516, 531, 541, 551, 630, 640, or 650 Small diskette with single-core, EM64T, and 533 or 800MHz system bus Optical Processor featuresSome: Hyper-Threading (HT) technology, Execute Disable Bit (XD) disk L2 cache 1MB or 2MB std and max / ECC / full speed Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ① 3.5", slim .5", access, std or opt diskette Memory - std/max8 512MB std / 4GB max / DDR2 only Bay ② 5.25", HH 1.6", access, std optical Memory Two 240-pin gold plated DIMM sockets / one socket used / Bay ③ 3.5", SL 1", no access, std disk PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable Slot 2: half-length (175mm), full-height, PCI Express x1 (x16 slot; supports optional DVI-I PCIe adptr only) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • graphics in 945G GMCH / 400MHz / one 15-pin analog connector Business black color; metal case • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) SATA disk 40GB (SATA150) or 80GB (SATA300) / 7200 rpm / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) rubber vibration dampening mounts • With vertical stand: 5.0" W X 15.4"D X 13.6"H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • With vertical stand: 127mm W X 390mm D X 346mm H SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • 18.7 to 20.0 lb (8.5 to 9.1 kg) EIDE CD Some: 48X-20X4 CD-ROM • Bays 1 and 2/3 fl ip up (latched and pivoting) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • Toolless cover fl ips up and tilts backward on rear hinges EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • Toolless disk, diskette drive, optical drive removal EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Two slots on riser card (PCI and PCI Express x1) EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless PCI slots and riser card retention Diskette drive Some: 3.5" 1.44MB diskette drive • Toolless systemboard retention • Steel chassis supports 100 lb (45kg) monitor on top Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub • (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, System fl oor stand for vertical orientation ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, SECURITY serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Security chip (see information on left) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), - optional cable also locks the cover by mouse (PS/2), ethernet (RJ-45), monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® Power-on password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • Boot sequence control Intel IAMT Some: Intel Active Management Technology (IAMT) • Boot without keyboard, mouse, diskette Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • USB, ethernet, SATA, EIDE, serial, Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black parallel, diskette enable or disable (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Disk, removable, and network device Mouse Optical Wheel Mouse (USB only), 400 dpi, black boot password Cooling fans Three variable speed fans (two front and one power supply) • Diskette write protect Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Front USB port disablement • Some: cover intrusion switch 5 Preload with Windows XP Professional Accessories • Some: fi ngerprint reader keyboard Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Supports ThinkVantage® technologies; - Disk-to-Disk Recovery 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 visit thinkcentre.com/thinkvantage 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Preloaded (only some listed) ➫ 1 • Super Multi-Burner DL DVD±RW Drive 41N5581 3-year parts and labor limited warranty Access Program ➫ Customer Replaceable Unit (CRU) • Rescue and Recovery™ USB Fingerprint Reader 41U3167 USB 2.0 Essential Memory Key 2GB 41U4944 parts only (with limited onsite service • Norton AntiVirus (OEM version) 3 • ™ Lenovo L192 Wide 19" Monitor (black) 6920AB1 for selected parts , 8 am - 5 pm, PC-Doctor (diagnostics) Mon - Fri coverage excluding holidays, • Client Security Software Lenovo D221 Wide 22" Monitor (black) 6622HB2 • ThinkVision® L192p 19" Monitor (black) 9419HC2 next business day response time) RecordNow and DLA (combo models) ➫ ThinkPlus™ services at • InterVideo WinDVD (combo models) DVI-I PCIe Connection Adapter (ADD2) 73P2516 Other accessories at lenovo.com/accessories lenovo.com/thinkplus/warranty See footnotes for important warranty information © Lenovo ☞ US model announced August 23, 2005; previous models on June 28, 2005 (VR5) June 2005 ✂ US models withdrawn effective May 2006 ThinkCentre® M52 Small (8215) - Pentium 4 (November 2005) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Diskette SATA EIDE Graphics Cover Intel Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz Thread EM64T Memory8 drive disk optical switchAMTboard warranty1 Gbl, Educ date M52 8215-15U 2x3 Pentium® 4 519K 3.06 1MB 533 EM64T 512MB 40G2 CD GMA No No Pref 3-yr Nov 05 M52 8215-16U 2x3 Pentium 4 519K 3.06 1MB 533 EM64T 512MB 80G Combo GMA No No Pref 3-yr Nov 05 ☞ M52 8215-2BU 2x3 Pentium 4 521 2.80 1MB 800 HT EM64T 512MB 80G CD GMA No No Pref 3-yr Jun 06 ☞ M52 8215-2CU 2x3 Pentium 4 521 2.80 1MB 800 HT EM64T 512MB 80G Combo GMA No No Pref 3-yr Jun 06 M52 8215-D9U 2x3 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB 40G CD GMA No No Pref 3-yr Nov 05 M52 8215-E9U 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No No Pref 3-yr Global Nov 05 M52 8215-EBU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No No Finger 3-yr Nov 05 M52 8215-EEU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB 40G CD GMA No No Pref 3-yr Nov 05 M52 8215-F8U 2x3 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB 40G CD GMA No No Pref 3-yr Nov 05 M52 8215-FAU 2x3 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No No Finger 3-yr Nov 05 M52 8215-DDU 2x3 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB Diskette 80G CD GMA No No Pref 3-yr Jan 06 M52 8215-EHU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 1GB Diskette 80G Combo GMA No No Pref 3-yr Jan 06 M52 8215-EKU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 1GB Diskette 160 DVD±RW6 GMA No No Pref 3-yr Jan 06 M52 8215-H4U 2x3 Pentium 4 661 3.60 2MB 800 HT EM64T 512MB Diskette 80G DVD GMA No No Pref 3-yr Jan 06 M52 8215-H6U 2x3 Pentium 4 661 3.60 2MB 800 HT EM64T 1GB Diskette 80G Combo GMA No No Pref 3-yr Jan 06 M52 8215-DFU 2x3 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB Diskette 80G CD GMA No No Pref 3-yr Educ Apr 06 M52 8215-DGU 2x3 Pentium 4 630 3.00 2MB 800 HT EM64T 512MB Diskette 80G Combo GMA No No Pref 3-yr Educ Apr 06 M52 8215-ELU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G Combo GMA No No Pref 3-yr Educ Apr 06 M52 8215-EMU 2x3 Pentium 4 640 3.20 2MB 800 HT EM64T 512MB Diskette 80G DVD±RW GMA No No Pref 3-yr Educ Apr 06 M52 8215-FDU 2x3 Pentium 4 650 3.40 2MB 800 HT EM64T 512MB Diskette 160 DVD±RW GMA No No Pref 3-yr Educ Apr 06

® Processor Intel Pentium 4 Processor 519K, 521, 630, 640, 650, or 661 with Small diskette single-core, EM64T, Execute Disable Bit, and 533 or 800MHz bus Optical Processor featuresSome: Hyper-Threading (HT) technology disk L2 cache 1MB or 2MB std and max / ECC / full speed Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ① 3.5", slim .5", access, std or opt diskette Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Bay ② 5.25", HH 1.6", access, std optical Memory Two 240-pin gold plated DIMM sockets / one socket used / Bay ③ 3.5", SL 1", no access, std disk PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable Slot 2: half-length (175mm), full-height, PCI Express x1 (x16 slot; supports optional DVI-I PCIe adptr only) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • graphics in 945G GMCH / 400MHz / one 15-pin analog connector Business black color; metal case • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) SATA disk 40GB (SATA150), 80GB or 160GB (SATA300) / 7200 rpm / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) rubber vibration dampening mounts • With vertical stand: 5.0" W X 15.4"D X 13.6"H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • With vertical stand: 127mm W X 390mm D X 346mm H SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • 18.7 to 20.0 lb (8.5 to 9.1 kg) EIDE CD Some: 48X-20X4 CD-ROM • Bays 1 and 2/3 fl ip up (latched and pivoting) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • Toolless cover fl ips up and tilts backward on rear hinges EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • Toolless disk, diskette drive, optical drive removal EIDE DVD±RW Some: DVD and CD burner / Multi-Burner Plus (part 73P3370) • Two slots on riser card (PCI and PCI Express x1) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless PCI slots and riser card retention EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless systemboard retention Diskette drive Some: 3.5" 1.44MB diskette drive • Steel chassis supports 100 lb (45kg) monitor on top • Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub System fl oor stand for vertical orientation (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count SECURITY interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, • Security chip (see information on left) serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Security slot (in rear for attachment of optional Kensington Microsaver cable) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) - optional cable also locks the cover by Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), deactivating the cover release buttons mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Power-on password Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® Administrator password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software • Hard disk password (user and master) Speaker One internal speaker for business audio • Boot sequence control Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 • Boot without keyboard, mouse, diskette Intel IAMT None • USB, ethernet, SATA, EIDE, serial, Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant parallel, diskette enable or disable Keyboard [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black • Disk, removable, and network device (one of following) [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black boot password Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Diskette write protect Cooling fans Three variable speed fans (two front and one power supply) • Front USB port disablement Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Some: fi ngerprint reader keyboard Preload with Windows XP Professional5 Accessories Supports ThinkVantage® technologies; Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 visit thinkcentre.com/thinkvantage 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Preloaded (only some listed) LIMITED WARRANTY1 • 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Some: contains additional module with a ➫ specialized education preload image in 250GB Serial ATA300 Disk (7200 rpm) 41N3015 3-year parts and labor Super Multi-Burner DL DVD±RW Drive 41N5581 ➫ International Warranty Service9 the base preload package ➫ • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 Customer Replaceable Unit (CRU) • ™ USB Fingerprint Reader 41U3167 parts only (with limited onsite service PC-Doctor (diagnostics) 3 • Multimedia Center for Think Offerings USB 2.0 Memory Key 1GB 40Y7421 for selected parts , 8 am - 5 pm, (combo, DVD, DVD±RW) USB 2.0 Portable 120GB Hard Disk 41N8379 Mon - Fri coverage excluding holidays, • USB 2.0 Super Multi-Burner Drive 41N5565 next business day response time) Sonic RecordNow and Drive Letter ➫ ™ Access (combo, DVD±RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 ThinkPlus services at • InterVideo WinDVD (combo, DVD, Lenovo D221 Wide 22" Monitor (black) 6622HB2 lenovo.com/thinkplus/warranty ± ThinkVision® L192p 19" Monitor (black) 9419HC2 ➫ 24x714 toll-free support for warranty DVD RW) 1 • InterVideo WinDVD Creator (DVD±RW) DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced June 6, 2006; previous models on Nov 8, 2005, Jan 24, 2006 and April 4, 2006 (VR2-2) June 2006 ThinkCentre® M52 Small (8215) - Pentium 4 (August 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Hyper- Diskette SATA EIDE Graphics Cover Intel Key- Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache MHz Thread EM64T Memory8 drive disk optical switchAMTboard warranty1 Gbl, Educ date M52 8215-66U 2x3 Pentium® 4 531 3.0 1MB 800 HT EM64T 512MB Diskette 80G2 DVD GMA No No Pref 3-yr Educ Aug 06 M52 8215-67U 2x3 Pentium 4 531 3.0 1MB 800 HT EM64T 512MB Diskette 80G Combo GMA No No Pref 3-yr Educ Aug 06 M52 8215-68U 2x3 Pentium 4 531 3.0 1MB 800 HT EM64T 1GB Diskette 80G Combo GMA No No Pref 3-yr Educ Aug 06 M52 8215-6AU 2x3 Pentium 4 541 3.2 1MB 800 HT EM64T 512MB Diskette 80G DVD GMA No No Pref 3-yr Aug 06 M52 8215-6BU 2x3 Pentium 4 541 3.2 1MB 800 HT EM64T 1GB Diskette 80G Combo GMA No No Pref 3-yr Aug 06

® Processor Intel Pentium 4 Processor 531 or 541 Small diskette with single-core, EM64T, Hyper-Threading (HT) technology, Optical Execute Disable Bit, and 800MHz system bus disk L2 cache 1MB std and max / ECC / full speed Implementation Processor and L2 cache in FC-LGA4 in LGA775 socket Bay ① 3.5", slim .5", access, std diskette Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Bay ② 5.25", HH 1.6", access, std optical Memory Two 240-pin gold plated DIMM sockets / Bay ③ 3.5", SL 1", no access, std disk model 68U: two sockets used (512MB per socket); Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) other models: one socket used / Slot 2: half-length (175mm), full-height, PCI Express x1 PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / (x16 slot; supports optional DVI-I PCIe adptr only) unbuffered / dual-channel capable • Business black color; metal case • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated • graphics in 945G GMCH / 400MHz / one 15-pin analog connector 310mm W X 358mm D X 85mm H (87.5mm H with feet) • With vertical stand: 5.0" W X 15.4"D X 13.6"H SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • With vertical stand: 127mm W X 390mm D X 346mm H SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • 18.7 to 20.0 lb (8.5 to 9.1 kg) SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • Bays 1 and 2/3 fl ip up (latched and pivoting) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • Toolless cover fl ips up and tilts backward on rear hinges EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • Toolless disk, diskette drive, optical drive removal EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Two slots on riser card (PCI and PCI Express x1) EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Toolless PCI slots and riser card retention Diskette drive 3.5" 1.44MB diskette drive • Toolless systemboard retention • Steel chassis supports 100 lb (45kg) monitor on top Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub • (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, System fl oor stand for vertical orientation ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, SECURITY serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Security chip (see information on left) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), - optional cable also locks the cover by mouse (PS/2), ethernet (RJ-45), monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® Power-on password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX Cadenza software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • ® Boot sequence control full duplex / Wake on LAN / PXE 2.0 and RPL remote boot • Boot without keyboard, mouse, diskette Intel IAMT None • USB, ethernet, SATA, EIDE, serial, Security chip Trusted Platform Module / in Winbond PC8375S chip / TCG 1.2-compliant parallel, diskette enable or disable Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Disk, removable, and network device Mouse Optical Wheel Mouse (USB only), 400 dpi, black boot password Cooling fans Three variable speed fans (two front and one power supply) • Diskette write protect Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Front USB port disablement Preload with Windows XP Professional5 Accessories Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 with Service Pack 2 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ThinkCentre desktops implement 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ThinkVantage® technologies and design; Preloaded visit thinkcentre.com/thinkvantage • Some: contains additional module with a 160GB Serial ATA300 Disk (7200 rpm) 09N4254 specialized education preload image in 250GB Serial ATA300 Disk (7200 rpm) 41N3015 1 Super Multi-Burner DL DVD±RW Drive 41N5581 LIMITED WARRANTY the base preload package ➫ • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 3-year parts and labor • ™ USB Fingerprint Reader 41U3167 ➫ International Warranty Service9 Client Security Solution ➫ • ThinkVantage Productivity Center USB Gemplus GemPC Smart Card Reader 41N3040 Customer Replaceable Unit (CRU) USB 2.0/Analog Headset by Sennheiser 40Y8518 parts only (with limited onsite service with Away Manager 3 • ThinkVantage System Update USB 2.0 Lenovo Webcam 40Y8519 for selected parts , 8 am - 5 pm, • Symantec® Client Security™ USB 2.0 Memory Key 1GB 40Y7421 Mon - Fri coverage excluding holidays, • Diskeeper Lite USB 2.0 Essential Memory Key 2GB 41U4944 next business day response time) • ™ USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ Onsite service upgrade options PC-Doctor (diagnostics) 7 • Adobe® Reader USB 2.0 Portable 120GB Hard Disk 41N8379 (in eligible locations): • USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, 4 hour response Google Toolbar ™ • Google Desktop Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9192) • Lenovo D221 Wide 22" Monitor (black) 6622HB2 • 3-year LOR 24x7, 4 hour response Picasa from Google ® • Multimedia Center for Think Offerings ThinkVision L171p 17" Monitor (black) 9417HC2 (ThinkPlus part number 41C9193) (combo, DVD models) ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 9x5, Next Business Day • Sonic RecordNow and Drive Letter ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9194) Lenovo C500 Projector 0039A05 • 4-year LOR 9x5, 4 hour response Access (combo models) ® • InterVideo WinDVD (combo, DVD) Optical 3-button ScrollPoint Mouse (black) 31P7405 (ThinkPlus part number 41C9195) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response License - CD not included Kensington® MicroSaver® Desktop Lock 06P3839 (ThinkPlus part number 41C9196) - Lotus® SmartSuite® Millennium and ➫ ® Enhanced Performance USB Keyboard 73P2620 ThinkPlus services at Lotus Notes Stand-alone Client (Notes Preferred Pro USB Fingerprint Keyboard 73P4730 lenovo.com/thinkplus/warranty client not supported on XP Home) DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced August 1, 2006 (VR3-1) August 2006 ThinkCentre® M52 Small (8215) - Pentium D Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Bus Virtual Dual SATA EIDE Cover PreloadVista™ Limited WorkhorseAvail NameType-modelbay Processor GHz cache MHz Tech core Memory8 disk optical Graphics switch capable warranty1 Gbl, Educ date M52 8215-G2U 2x3 Pentium® D 820 2.80 2x1MB 800 Dual 512MB 80GB2 Combo GMA Yes XP Pro Yes 3-yr No Jun 05 M52 8215-G4U 2x3 Pentium D 820 2.80 2x1MB 800 Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr No Jun 05 M52 8215-J3U 2x3 Pentium D 920 2.80 2x2MB 800 Yes Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr No Jan 06 ☞ M52 8215-JDU 2x3 Pentium D 925 3.00 2x2MB 800 Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr No Sep 06 ☞ M52 8215-JEU 2x3 Pentium D 925 3.00 2x2MB 800 Dual 1GB 80GB Combo GMA XP Pro Yes 3-yr No Sep 06 M52 8215-K3U 2x3 Pentium D 930 3.00 2x2MB 800 Yes Dual 512MB 80GB DVD GMA XP Pro Yes 3-yr No Jan 06 M52 8215-K4U 2x3 Pentium D 930 3.00 2x2MB 800 Yes Dual 1GB 80GB Combo GMA XP Pro Yes 3-yr No Jan 06

Positioning Stability and manageability for the enterprise Small diskette Processor Intel® Pentium D Processor 820 with dual-core, Optical EM64T, Execute Disable Bit, and 800MHz system bus with disk 2x1MB (dual-core) L2 cache or Intel Pentium D Processor 920, 925, or 930 with dual-core, Bay ① 3.5", slim .5", access, std diskette Virtualization Technology (920/930), EM64T, Execute Disable Bit, Bay ② 5.25", HH 1.6", access, std optical EIST, and 800MHz system bus with 2x2MB (dual-core) L2 cache Bay ③ 3.5", SL 1", no access, std disk Implementation Processor and L2 cache in FC-LGA4 or LGA6 in LGA775 socket Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Slot 2: half-length (175mm), full-height, PCI Express x1 Memory Two 240-pin gold plated DIMM sockets / one socket used / (x16 slot; supports optional DVI-I PCIe adptr only) PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • Business black color; metal case unbuffered / dual-channel capable • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated 310mm W X 358mm D X 85mm H (87.5mm H with feet) • With vertical stand: 5.0" W X 15.4"D X 13.6"H graphics in 945G GMCH / uses main memory (up to 128MB • with 256MB+) / 400MHz / one 15-pin analog D-sub connector With vertical stand: 127mm W X 390mm D X 346mm H • 18.7 to 20.0 lb (8.5 to 9.1 kg) SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • Bays 1 and 2/3 fl ip up (latched and pivoting) SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • Toolless cover fl ips up and tilts backward on rear hinges SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors • Toolless disk, diskette drive, optical drive removal EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • Two slots on riser card (PCI and PCI Express x1) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • Toolless PCI slots and riser card retention EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Toolless systemboard retention EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • Steel chassis supports 100 lb (45kg) monitor on top Diskette drive 3.5" 1.44MB diskette drive • All except G4U: system stand for vertical orientation Chipset Intel 945G Express Chipset / 82945G Graphics Mem Cont Hub (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, SECURITY ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, LPC interface / • Security chip (see information on left) ® Winbond PC8375S Super I/O for security chip (TPM), Asset ID, • Security slot (in rear for attachment of serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log optional Kensington Microsaver cable) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) - optional cable also locks the cover by Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), deactivating the cover release buttons mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Power-on password Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Administrator password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • Hard disk password (user and master) Speaker One internal speaker for business audio • Boot sequence control Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • Boot without keyboard, mouse, diskette full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot • USB, ethernet, SATA, EIDE, serial, Modem None parallel, diskette enable or disable Security chip Trusted Platform Module / in NS PC8375S chip / TCG 1.2-compliant • Disk, removable, and network device boot password Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Diskette write protect Mouse Optical Wheel Mouse (USB only), 400 dpi, black • Front USB port disablement Cooling fans Three variable speed fans (two front and one power supply) • Some: cover intrusion switch Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs Preload with Windows XP Professional5 Accessories Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ThinkCentre desktops implement protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ThinkVantage® technologies and design; Preloaded 250GB Serial ATA300 Disk (7200 rpm) 41N3015 visit thinkcentre.com/thinkvantage • ™ Super Multi-Burner DL DVD±RW Drive 41N5581 Rescue and Recovery 1 • Adobe Reader USB Portable Diskette Drive 05K9276 LIMITED WARRANTY • Norton AntiVirus (OEM version) USB Fingerprint Reader 41U3167 ➫ 3-year parts and labor • PC-Doctor™ (diagnostics) USB 2.0/Analog Headset by Sennheiser 40Y8518 ➫ International Warranty Service9 • Client Security Software USB 2.0 Lenovo Webcam 40Y8519 ➫ Customer Replaceable Unit (CRU) • Multimedia Center for Think Offerings USB 2.0 Memory Key 1GB 40Y7421 parts only (with limited onsite service (DVD, combo models) USB 2.0 Essential Memory Key 2GB 41U4944 for selected parts3, 8 am - 5 pm, • RecordNow and DLA (combo models) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 Mon - Fri coverage excluding holidays, • InterVideo WinDVD (DVD, combo USB 2.0 Super Multi-Burner Drive 41N5565 next business day response time) Lenovo D221 Wide 22" Monitor (black) 6622HB2 ➫ models) ® Onsite service upgrade options ThinkVision L171p 17" Monitor (black) 9417CB2 (in eligible locations):7 License - CD not included ThinkVision L192p 19" Monitor (black) 9419CB2 - Lotus® SmartSuite® Millennium and • 3-year LOR 9x5, 4 hour response ® ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus™ part number 41C9192) Lotus Notes Stand-alone Client Lenovo M500 Projector 0037A05 ® • 3-year LOR 24x7, 4 hour response Optical 3-button ScrollPoint Mouse (black) 31P7405 (ThinkPlus part number 41C9193) Lenovo Laser Mouse (USB, PS/2) 41U3074 ® ® • 4-year LOR 9x5, 4 hour response Kensington MicroSaver Desktop Lock 06P3839 (ThinkPlus part number 41C9195) Enhanced Performance USB Keyboard 73P2620 ➫ Other ThinkPlus services at Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced September 26, 2006; previous models on June 28, 2005 and January 24, 2006 (VR6) September 2006 ThinkCentre® M52 Small (8215) - Pentium D (August 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Dual Diskette SATA EIDE DVI-I Cover PreloadLimited WorkhorseAvail NameType-modelbay Processor GHz cache core Memory8 drive disk optical GraphicsAdptr Chipsetswitch warranty1 Gbl, Educ date M52 8215-G9U 2x3 Pentium® D 820 2.80 2x1MB Dual 512MB 80GB2 DVD GMA 945G No XP Pro 3-yr Aug 06 M52 8215-GAU 2x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB Combo GMA 945G No XP Pro 3-yr Educ Aug 06 M52 8215-GBU 2x3 Pentium D 820 2.80 2x1MB Dual 512MB Dskte 80GB DVD±RW6 GMA 945G No XP Pro 3-yr Educ Aug 06 M52 8215-95U 2x3 Pentium D 945 3.40 2x2MB Dual 1GB 250GB DVD±RW GMA ADD2 945G No XP Pro 3-yr Aug 06 M52 8215-97U 2x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 160GB DVD±RW GMA 945G No XP Pro 3-yr Educ Aug 06 M52 8215-99U 2x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB DVD GMA 945G No XP Pro 3-yr Aug 06 M52 8215-9AU 2x3 Pentium D 945 3.40 2x2MB Dual 1GB Dskte 80GB Combo GMA 945G No XP Pro 3-yr Aug 06 M52 8215-9BU 2x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB Combo GMA 945G No XP Pro 3-yr Aug 06 M52 8215-9CU 2x3 Pentium D 945 3.40 2x2MB Dual 512MB Dskte 80GB Combo GMA 945G No XP Pro 3-yr Aug 06

Positioning Stability and manageability for the enterprise Small diskette Processor Intel® Pentium D Processor 820 with dual-core, Optical EM64T, Execute Disable Bit, and 800MHz system bus with disk two x 1MB (dual-core) L2 cache or Intel Pentium D Processor 945 with dual-core, Bay ① 3.5", slim .5", access, std diskette EM64T, Execute Disable Bit, EIST, and 800MHz system bus with Bay ② 5.25", HH 1.6", access, std optical two x 2MB (dual-core) L2 cache Bay ③ 3.5", SL 1", no access, std disk Implementation Processor and L2 cache in FC-LGA4 or LGA6 in LGA775 socket Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Slot 2: half-length (175mm), full-height, PCI Express x1 Memory Two 240-pin gold plated DIMM sockets / (x16 slot; supports std or opt DVI-I PCIe adptr only) model 95U: two sockets used (512MB per socket); • Business black color; metal case other models: one socket used / • 12.2" W X 14.1"D X 3.3"H (3.4"H with feet) PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) unbuffered / dual-channel capable • With vertical stand: 5.0" W X 15.4"D X 13.6"H • Graphics Intel Graphics Media Accelerator 950 (GMA 950) / integrated With vertical stand: 127mm W X 390mm D X 346mm H • 18.7 to 20.0 lb (8.5 to 9.1 kg) graphics in 945G GMCH / uses main memory (up to 128MB • with 256MB+) / 400MHz / one 15-pin analog D-sub connector Bays 1 and 2/3 fl ip up (latched and pivoting) • Toolless cover fl ips up and tilts backward on rear hinges Graphics adapter Some: [ADD2] DVI-I PCIe Connection Adapter / • dual indendendent display / DVI-i connector Toolless disk, diskette drive, optical drive removal • Two slots on riser card (PCI and PCI Express x1) SATA disk 80, 160, or 250GB / SATA300 7200 rpm / vibration dampen mounts • Toolless PCI slots and riser card retention SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH7 • Toolless systemboard retention SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors • Steel chassis supports 100 lb (45kg) monitor on top EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • System fl oor stand for vertical orientation EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo EIDE DVD±RW Some: DVD and CD burner / Multi-Burner Plus (part 73P3370) • PC 2001-compliant EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • ACPI 2.0c-compliant EIDE cables One 2-drop EIDE cable to optical / one connector on systemboard • SMBIOS 2.3.4-compliant Diskette drive Some: 3.5" 1.44MB diskette drive • DMI 2.0-compliant • SMBus 2.0-compliant Chipset Intel 945G Express Chipset / 82945G Graphics Memory Controller Hub • Asset ID19 (system specifi c info in chip) (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, LPC interface / SECURITY Winbond® PC8375S Super I/O for security chip (TPM), Asset ID, serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log • Security chip (see information on left) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Six USB (Version 2.0), two 9-pin serial, parallel (25-pin), keyboard (PS/2), - optional cable also locks the cover by mouse (PS/2), ethernet (RJ-45), monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Power-on password Audio High Defi nition (HD) Audio / AD1981HD codec / SoundMAX® Cadenza software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on systemboard / Intel 82573E (MAC/PHY) / PCIe x1 / • Boot sequence control full duplex / Wake on LAN® / PXE 2.0 and RPL remote boot • Boot without keyboard, mouse, diskette Modem None • USB, ethernet, SATA, EIDE, serial, Security chip Trusted Platform Module / in Winbond PC8375S chip / TCG 1.2-compliant parallel, diskette enable or disable Keyboard 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Disk, removable, and network device Mouse Optical Wheel Mouse (USB only), 400 dpi, black boot password Cooling fans Three variable speed fans (two front and one power supply) • Diskette write protect Power supply 225 watts with variable speed fan / universal / manual switch / 2 diagnostic LEDs • Front USB port disablement Preload with Windows XP Professional5 Accessories Supports ThinkVantage® technologies ® ® Microsoft Windows XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 1 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 LIMITED WARRANTY Preloaded (only some listed) ➫ • Some: contains additional module with 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 3-year parts and labor 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ International Warranty Service9 a specialized education preload image in ± ➫ the base preload package** Super Multi-Burner DL DVD RW Drive 41N5581 Customer Replaceable Unit (CRU) • ™ USB Fingerprint Reader 41U3167 parts only (with limited onsite service Rescue and Recovery 3 • Client Security Solution™ USB 2.0/Analog Headset by Sennheiser 40Y8518 for selected parts , 8 am - 5 pm, • ThinkVantage Productivity Center USB 2.0 Memory Key 1GB 40Y7421 Mon - Fri coverage excluding holidays, • ThinkVantage System Update USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 next business day response time) • ® ™ USB 2.0 Super Multi-Burner Drive 41N5565 ➫ Onsite service upgrade options Symantec Client Security 7 • Diskeeper Lite Lenovo L192 Wide 19" Monitor (black) 6920AB1 (in eligible locations): • Multimedia Center for Think Offerings Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 3-year LOR 24x7, 4 hour response ® ™ (combo, DVD, DVD±RW) ThinkVision L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9193) • Sonic RecordNow and Drive Letter ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 4-year LOR 24x7, 4 hour response ± Kensington® MicroSaver® Desktop Lock 06P3839 (ThinkPlus part number 41C9196) Access (combo, DVD, DVD RW) ➫ • InterVideo WinDVD (combo, DVD, Enh Perf Wireless Keyboard and Mouse 73P4067 Other ThinkPlus services at DVD±RW) Preferred Pro USB Fingerprint Keyboard 73P4730 lenovo.com/thinkplus/warranty ➫ 14 • InterVideo WinDVD Creator (DVD±RW) DVI-I PCIe Connection Adapter (ADD2) 73P2516 24x7 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced August 1, 2006 (VR3-2) August 2006 ® Created by Lenovo Training Solutions ThinkCentre M55e Desktop (9632) Personal Systems Reference (PSREF)

Slot x L2 Diskette SATA EIDE Vista™ Workhorse Avail Name Type-modelbay ProcessorGHz cache Core Memory8 drive disk optical Graphics Preload capable Gbl Educ date M55e 9632-A2U 4x3 Celeron® 336 2.80 256KB Single 512MB 80GB2 CD GMA XP Pro Yes Sep 06 M55e 9632-B2U 4x3 Celeron 346 3.06 256KB Single 512MB 80GB CD GMA XP Pro Yes Sep 06 M55e 9632-22U 4x3 Pentium® 4 524 3.06 1MB Single 512MB 80GB CD GMA XP Pro Yes Sep 06 M55e 9632-23U 4x3 Pentium 4 524 3.06 1MB Single 512MB 80GB Combo GMA XP Pro Yes Sep 06 ☞ M55e 9632-31U 4x3 Pentium 4 541 3.20 1MB Single 512MB Dskte 160GB CD GMA XP Pro Yes Nov 06 ☞ M55e 9632-32U 4x3 Pentium 4 541 3.20 1MB Single 512MB 160GB Combo GMA XP Pro Yes Nov 06 M55e 9632-D2U 4x3 Pentium D 820 2.80 2x1MB Dual 512MB 80GB DVD GMA XP Pro Yes Sep 06 M55e 9632-D5U 4x3 Pentium D 820 2.80 2x1MB Dual 512MB 160GB Combo GMA XP Pro Yes Sep 06 M55e 9632-F7U 4x3 Pentium D 925 3.00 2x2MB Dual 512MB 80GB DVD GMA XP Pro Yes Sep 06 M55e 9632-F8U 4x3 Pentium D 925 3.00 2x2MB Dual 512MB 160GB Combo GMA XP Pro Yes Sep 06 M55e 9632-J4U 4x3 Pentium D 945 3.40 2x2MB Dual 512MB 160GB Combo GMA XP Pro Yes Sep 06 ☞ M55e 9632-J5U 4x3 Pentium D 945 3.40 2x2MB Dual 512MB 80GB DVD GMA XP Pro Yes Global Nov 06 Positioning Mainstream enterprise stability and manageability Desktop Processor Intel® Celeron D Processor 336 or 346 with single-core, ② optical Intel 64 Technology, Execute Disable Bit, 533MHz sytem bus, and disk 256KB L2 cache or • Business black color Intel Pentium 4 Processor 524 or 541 with single-core, • 13.0" W X 16.2" D X 4.3" H Intel 64 Technology, Hyper-Threading (HT) technology, • 331mm W X 412mm D X 108mm H Execute Disable Bit, 533MHz (524) or 800MHz (541) system bus, • 18.5 to 20.7lb (8.4 to 9.4kg) and 1MB L2 cache or • Toolless cover removal Intel Pentium D Processor 820, 925, or 945 with dual-core, • Toolless disk, diskette drive, optical drive removal Intel 64 Technology, Execute Disable Bit, EIST (9xx only), • Tooless adapter retention 800MHz system bus, and 2x1MB (820) or 2x2MB (9xx) L2 cache Bay ① 5.25", 1.6" high, access, standard optical Implementation Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket Bay ② 3.5", 1" high, access, optional diskette Memory - std/max8 512MB or 1GB std / 4GB max Bay ③ 3.5", 1" high, no access, standard disk Memory Two 240-pin DIMM sockets / one socket used / Slot 1: Low Profi le, PCI Express x16 (25w max) PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Slot 2: Low Profi le, PCI Express x1 unbuffered / dual-channel capable Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) integrated graphics in 946GZ / uses main memory (up to 256MB) / 400MHz / one 15-pin analog D-sub connector / SECURITY supports optional ADD2 adapter but not dual independent display • One lock to secure both cover and SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening entire system to fi xed object: SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 - Padlock loop (in rear for opt padlock) SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar - Security slot (in rear for optional EIDE CD Some: 48X-20X4 CD-ROM Kensington® Microsaver® cable) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo - No keylock EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer • Power-on password EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • Administrator password EIDE cables One 1-drop EIDE cable to optical / 1 planar connector • Boot sequence control Diskette drive 31U: 3.5" 1.44MB diskette drive; Others: None • Boot without keyboard, mouse, diskette Media reader None • USB, ethernet, SATA, EIDE, serial, parallel, diskette enable or disable Chipset Intel 946GZ Express Chipset / • Diskette write protect 82946GZ Graphics Memory Controller Hub (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) ThinkCentre desktops implement Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), ThinkVantage® technologies and design; mouse (PS/2), ethernet (RJ-45), monitor (DB-15) visit thinkcentre.com/thinkvantage Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) ® Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX software LIMITED WARRANTY1 Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN® ➫ 3-year parts and labor Modem None ➫ International Warranty Service9 ➫ Customer Replaceable Unit (CRU) Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo parts only (with limited onsite service Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo for selected parts3, 8 am - 5 pm, Power supply 220 watts with variable speed fan / manual switch / 2 diagnostic LEDs Mon - Fri coverage excluding holidays, Preload with Windows XP Professional5 Accessories next business day response time) ➫ Onsite service upgrade options Microsoft® Windows® XP Professional 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 (in eligible locations):7 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 • 3-year LOR 9x5, 4 hour response Preloaded (only some listed) 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 • Rescue and Recovery™ (ThinkPlus™ part number 41C9192) • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 • 3-year LOR 24x7, 4 hour response Client Security Solution Super Multi-Burner DL DVD±RW Drive 41N5581 • ThinkVantage Productivity Center (ThinkPlus part number 41C9193) USB Portable Diskette Drive 05K9276 • 4-year LOR 9x5, Next Business Day with Away Manager USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • ThinkVantage System Update (ThinkPlus part number 41C9194) • ™ USB 2.0 Super Multi-Burner Drive 41N5565 • 4-year LOR 9x5, 4 hour response PC-Doctor (diagnostics) Lenovo L191 19" Monitor (black) 6135AB1 • Symantec® Client Security™ (ThinkPlus part number 41C9195) • Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 24x7, 4 hour response Multimedia Center for Think Offerings ThinkVision® L192p 19" Monitor (black) 9419HC2 (combo, DVD) (ThinkPlus part number 41C9196) • ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ Other ThinkPlus services at Sonic RecordNow and Drive Letter Enh Perf Wireless Keyboard and Mouse 73P4067 Access (combo) lenovo.com/thinkplus/warranty • Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post warranty maintenance InterVideo WinDVD (combo, DVD) DVI-I PCIe Connection Adapter (ADD2) 73P2516 ® ® services available License - CD not included ATI RADEON X300 SE 128MB Dual Head 41U4813 14 ® ® ➫ 24x7 toll-free support for warranty - Lotus SmartSuite Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 1 ® issues during the warranty period Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced November 21, 2006; previous models on September 26 and October 17, 2006 (ACIN1-4) November 2006 ® Created by Lenovo Training Solutions ThinkCentre M55e Desktop (9632) - October 2006 Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista™ Limited Workhorse Gbl Avail Name Type-modelbay Processor GHz cache Core Memory8 disk optical Graphics Preload capable warranty1 Education date ☞ M55e 9632-Q1U 4x3 Core™ 2 Duo E4300 1.80 2MB Dual 512MB 80GB2 DVD GMA XP Pro 3-yr Feb 07 ☞ M55e 9632-Q2U 4x3 Core 2 Duo E4300 1.80 2MB Dual 1GB 80GB Combo GMA XP Pro 3-yr Global Feb 07 M55e 9632-M2U 4x3 Core 2 Duo E6300 1.86 2MB Dual 1GB 80GB DVD GMA XP Pro Yes 3-yr WH Oct 06 M55e 9632-M4U 4x3 Core 2 Duo E6300 1.86 2MB Dual 1GB 80GB DVD GMA XP Pro Yes 3-yr Educ Nov 06 M55e 9632-P1U 4x3 Core 2 Duo E6400 2.13 2MB Dual 1GB 160GB Combo GMA XP Pro Yes 3-yr Oct 06 M55e 9632-P3U 4x3 Core 2 Duo E6400 2.13 2MB Dual 1GB 160GB Combo GMA XP Pro Yes 3-yr Educ Nov 06

Positioning Mainstream enterprise stability and manageability Desktop Processor Intel® Core 2 Duo Desktop Processor E4300 with dual-core, ② optical Intel 64 Technology, Execute Disable Bit, EIST, disk 800MHz system bus, and 2MB L2 cache (shared) or • Business black color Intel Core 2 Duo Desktop Processor E6300 or E6400 • 13.0" W X 16.2" D X 4.3" H with dual-core, Intel 64 Technology, Virtualization Technology, • 331mm W X 412mm D X 108mm H Execute Disable Bit, EIST, and 1066MHz system bus with • 18.5 to 20.7lb (8.4 to 9.4kg) 2MB L2 cache (shared) • Toolless cover removal Implementation Processor in FC-LGA6 package in LGA775 socket • Toolless disk, diskette drive, optical drive removal Memory - std/max8 512MB or 1GB std / 4GB max • Tooless adapter retention Memory Two 240-pin DIMM sockets / one socket used / Bay ① 5.25", 1.6" high, access, standard optical PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ② 3.5", 1" high, access, optional diskette unbuffered / dual-channel capable Bay ③ 3.5", 1" high, no access, standard disk Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Slot 1: Low Profi le, PCI Express x16 (25w max) integrated graphics in 946GZ / uses main memory (up to 256MB) / Slot 2: Low Profi le, PCI Express x1 400MHz / one 15-pin analog D-sub connector / Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) supports optional ADD2 adapter but not dual independent display Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SECURITY SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • One lock to secure both cover and EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo entire system to fi xed object: EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer - Padlock loop (in rear for opt padlock) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) - Security slot (in rear for optional EIDE cables One 1-drop EIDE cable to optical / 1 planar connector Kensington® Microsaver® cable) Diskette drive None / use optional external USB-based diskette drive - No keylock Media reader None • Power-on password • Administrator password Chipset Intel 946GZ Express Chipset / • Boot sequence control 82946GZ Graphics Memory Controller Hub (GMCH) / • Boot without keyboard, mouse, diskette 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • ® USB, ethernet, SATA, EIDE, serial, PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech IT8718 Super I/O parallel, diskette enable or disable Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Diskette write protect Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 220 watts with variable speed fan / manual switch ThinkCentre desktops implement ThinkVantage® technologies and design; Preload with Windows XP Professional5 Accessories visit thinkcentre.com/thinkvantage ® ® Microsoft Windows XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 1 - Disk-to-Disk Recovery (in hidden 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 LIMITED WARRANTY protected area) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ 3-year parts and labor 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ International Warranty Service9 Preloaded (only some listed) ➫ • Education models: VitalSource Library 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Customer Replaceable Unit (CRU) Super Multi-Burner DL DVD±RW Drive 41N5581 parts only (with limited onsite service education software 3 • Education models: Adobe® Photoshop® USB Portable Diskette Drive 05K9276 for selected parts , 8 am - 5 pm, Elements plus Adobe Premiere® Elements USB 2.0 Memory Key 1GB 40Y7421 Mon - Fri coverage excluding holidays, • Rescue and Recovery™ USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 next business day response time) • ™ USB 2.0 Portable 120GB Hard Disk 41N8379 ➫ Onsite service upgrade options Client Security Solution 7 • ThinkVantage Productivity Center USB 2.0 Super Multi-Burner Drive 41N5565 (in eligible locations): • USB 2.0/Analog Headset by Sennheiser 40Y8518 • 3-year LOR 9x5, 4 hour response ThinkVantage System Update ™ • Symantec® Client Security™ USB 2.0 Lenovo Webcam 40Y8519 (ThinkPlus part number 41C9192) • Diskeeper Lite Lenovo L191 19" Monitor (black) 6135AB1 • 3-year LOR 24x7, 4 hour response • PC-Doctor™ (diagnostics) Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9193) • Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 4-year LOR 9x5, Next Business Day Picasa from Google ® • Multimedia Center for Think Offerings ThinkVision L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9194) (combo, DVD) ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 4-year LOR 9x5, 4 hour response • Sonic RecordNow and Drive Letter Access Lenovo Laser Mouse (USB, PS/2) 41U3074 (ThinkPlus part number 41C9195) (combo) Enh Perf Wireless Keyboard and Mouse 73P4067 • 4-year LOR 24x7, 4 hour response • InterVideo WinDVD (combo, DVD) Preferred Pro USB Fingerprint Keyboard 73P4730 (ThinkPlus part number 41C9196) Lenovo M500 Projector 0037A05 ➫ ThinkPlus services at CD Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty • ® ® Education models: Adobe Photoshop Kensington MicroSaver Desktop Lock 06P3839 ➫ Post warranty maintenance Elements plus Adobe Premiere Elements DVI-I PCIe Connection Adapter (ADD2) 73P2516 services available License - CD not included ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty - Lotus® SmartSuite® Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced January 30, 2007; previous models on October 17 and November 21, 2006 (ACIN1-5) January 2007 ® Created by Lenovo Training Solutions ThinkCentre M55e Desktop (9632) - January 2007 Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista Vista Limited Workhorse Gbl Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics preload logo warranty1 Education date M55e 9632-F9U 4x3 Pentium® D 925 3.00 2x2MB 1GB 80GB2 DVD GMA Business Basic 3-yr Global Feb 07 M55e 9632-M7U 4x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Business Basic 3-yr Global Feb 07

Positioning Mainstream enterprise stability and manageability Desktop Processor Intel® Pentium D Processor 925 with dual-core, ② optical Intel 64 Technology, Execute Disable Bit, EIST, disk 800MHz system bus, and 2x2MB L2 cache or • Business black color Intel Core 2 Duo Desktop Processor E6300 with dual-core, • 13.0" W X 16.2" D X 4.3" H Intel 64 Technology, Virtualization Technology, Execute Disable Bit, • 331mm W X 412mm D X 108mm H EIST, and 1066MHz system bus with 2MB L2 cache (shared) • 18.5 to 20.7lb (8.4 to 9.4kg) Implementation Processor in FC-LGA6 package in LGA775 socket • Toolless cover removal Memory - std/max8 1GB std / 4GB max • Toolless disk, diskette drive, optical drive removal Memory Two 240-pin DIMM sockets / one socket used / • Tooless adapter retention PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, standard optical unbuffered / dual-channel capable Bay ② 3.5", 1" high, access, optional diskette Bay ③ 3.5", 1" high, no access, standard disk Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated graphics in 946GZ / uses main memory (up to 256MB) / Slot 1: Low Profi le, PCI Express x16 (25w max) 400MHz / one 15-pin analog D-sub connector / Slot 2: Low Profi le, PCI Express x1 supports optional ADD2 adapter but not dual independent display Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) SATA disk 80GB / SATA300 7200 rpm / vibration dampening Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar SECURITY EIDE DVD 16X-48X Max4 DVD-ROM / single-layer • One lock to secure both cover and EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) entire system to fi xed object: EIDE cables One 1-drop EIDE cable to optical / 1 planar connector - Padlock loop (in rear for opt padlock) Diskette drive None / use optional external USB-based diskette drive - Security slot (in rear for optional Media reader None Kensington® Microsaver® cable) - No keylock Chipset Intel 946GZ Express Chipset / • 82946GZ Graphics Memory Controller Hub (GMCH) / Power-on password • Administrator password 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O Boot sequence control • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 220 watts with variable speed fan / manual switch Preloaded operating system20 Accessories - Microsoft® Windows® Vista™ 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ThinkCentre desktops implement Business Edition (32-bit) 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ThinkVantage® technologies and design; Preloaded applications5 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 visit thinkcentre.com/thinkvantage 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 • Rescue and Recovery™ LIMITED WARRANTY1 • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Client Security Solution 11 ➫ • ThinkVantage Productivity Center 48X/32X/48X/16X Max CD-RW/DVD-ROM 3-year parts and labor Combo drive (black) 73P3300 ➫ International Warranty Service9 with Away Manager ± ➫ • ThinkVantage System Update Super Multi-Burner DL DVD RW Drive 41N5581 Customer Replaceable Unit (CRU) • USB Portable Diskette Drive 05K9276 parts only (with limited onsite service System Migration Assistant 3 • Norton Internet Security USB 2.0/Analog Headset by Sennheiser 40Y8518 for selected parts , 8 am - 5 pm, (90 days of virus defi nitions) USB 2.0 Lenovo Webcam 40Y8519 Mon - Fri coverage excluding holidays, • Diskeeper™ Home USB 2.0 Essential Memory Key 1GB 41U4940 next business day response time) • ™ USB 2.0 Essential Memory Key 2GB 41U4944 ➫ Onsite service upgrade options PC-Doctor (diagnostics) 7 • Adobe® Reader USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (in eligible locations): • Picasa from Google USB 2.0 Portable 120GB Hard Disk 41N8379 • 3-year LOR 9x5, 4 hour response USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus™ part number 41C9192) License - CD not included Lenovo L191 19" Monitor (black) 6135AB1 • 3-year LOR 24x7, 4 hour response ® ® - Lotus Notes Stand-alone Client Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9193) Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 4-year LOR 9x5, Next Business Day ThinkVision® L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9194) ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 4-year LOR 9x5, 4 hour response Lenovo Laser Mouse (USB, PS/2) 41U3074 (ThinkPlus part number 41C9195) Enh Perf Wireless Keyboard and Mouse 73P4067 • 4-year LOR 24x7, 4 hour response Lenovo M500 Projector 0037A05 (ThinkPlus part number 41C9196) Lenovo C500 Projector 0039A05 ➫ ThinkPlus services at USB Gemplus GemPC Smart Card Reader 41N3040 lenovo.com/thinkplus/warranty ® ® Kensington MicroSaver Desktop Lock 06P3839 ➫ Post warranty maintenance DVI-I PCIe Connection Adapter (ADD2) 73P2516 services available ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN11-4) January 2007 ThinkCentre® M55e Tower (9637) - Single-core Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista™ Limited Workhorse Gbl Avail NameType-modelbay Processor GHz cache Core Memory8 disk optical Graphics Preload capable warranty1 Education date M55e 9637-A1U 4x4 Celeron® 336 2.80 256KB Single 512MB 80GB2 CD GMA XP Pro Yes 3-yr None Sep 06 M55e 9637-B2U 4x4 Celeron 346 3.06 256KB Single 512MB 80GB CD GMA XP Pro Yes 3-yr None Sep 06 M55e 9637-22U 4x4 Pentium 4 524 3.06 1MB Single 512MB 80GB CD GMA XP Pro Yes 3-yr None Sep 06 M55e 9637-23U 4x4 Pentium 4 524 3.06 1MB Single 512MB 80GB Combo GMA XP Pro Yes 3-yr None Sep 06 M55e 9637-31U 4x4 Pentium 4 541 3.20 1MB Single 512MB 80GB CD GMA XP Pro Yes 3-yr None Sep 06 M55e 9637-32U 4x4 Pentium 4 541 3.20 1MB Single 512MB 80GB Combo GMA XP Pro Yes 3-yr None Sep 06

Positioning Mainstream enterprise stability and manageability Tower Processor ® Intel Celeron D Processor 336 or 346 with single-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, 533MHz sytem bus, and • 6.9"W X 17.3" D X 15.8"H ② 256KB L2 cache, or • 175mm W X 440mm D X 402mm H Intel Pentium 4 Processor 524 or 541 with single-core, • 22.0 lb (10.0 kg) disk Intel 64 Technology, Hyper-Threading (HT) technology, • Handle on top front Execute Disable Bit, 533MHz (524 only) or 800MHz system bus, • Toolless cover removal and 1MB L2 cache (5xx only) Implementation • Toolless disk, diskette drive, Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket optical drive removal Memory - std/max8 512MB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, standard optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open Bay ③ 3.5", 1" high, access, optional diskette Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Bay ④ 3.5", 1" high, no access, standard disk integrated graphics in 946GZ / uses main memory (up to 256MB) / 400MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) supports optional ADD2 adapter but not dual independent display Slot 2: half-length, full-height, PCI Express x1 Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar SECURITY EIDE CD Some: 48X-20X4 CD-ROM EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • One lock to secure both cover and EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) entire system to fi xed object: EIDE cables One 1-drop EIDE cable to optical / 1 planar connector - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive ® ® Media reader None Kensington Microsaver cable) - No keylock Chipset Intel 946GZ Express Chipset / • Power-on password 82946GZ Graphics Memory Controller Hub (GMCH) / • Administrator password 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Boot sequence control PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 250 watts with variable speed fan / manual switch ThinkCentre desktops implement ThinkVantage® technologies and design Preload with Windows XP Professional5 Accessories Microsoft® Windows® XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 LIMITED WARRANTY1 Preloaded 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ 3-year parts and labor • Rescue and Recovery™ 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ International Warranty Service9 • Client Security Solution™ 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ Customer Replaceable Unit (CRU) • ThinkVantage Productivity Center 160GB Serial ATA300 Disk (7200 rpm) 09N4254 parts only (with limited onsite service • 250GB Serial ATA300 Disk (7200 rpm) 41N3015 for selected parts3, 8 am - 5 pm, ThinkVantage System Update ± • PC-Doctor™ (diagnostics) Super Multi-Burner DL DVD RW Drive 41N5581 Mon - Fri coverage excluding holidays, • Diskeeper Lite USB Gemplus GemPC Smart Card Reader 41N3040 next business day response time) • Symantec® Client Security™ USB 2.0 Memory Key 1GB 40Y7421 ➫ Onsite service upgrade options • Adobe® Reader USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (in eligible locations):7 • Google Toolbar USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, 4 hour response • Google Desktop USB 2.0/Analog Headset by Sennheiser 40Y8518 (ThinkPlus part number 41C9192) • Picasa from Google USB 2.0 Lenovo Webcam 40Y8519 • 3-year LOR 24x7, 4 hour response • Multimedia Center for Think Offerings Lenovo L191 19" Monitor (black) 6135AB1 (ThinkPlus part number 41C9193) ± Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 9x5, Next Business Day (CD-RW, combo, DVD, DVD RW) ® • Sonic RecordNow and Drive Letter ThinkVision L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9194) Access (CD-RW, combo) ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 4-year LOR 9x5, 4 hour response • InterVideo WinDVD (combo, DVD) Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9195) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response License - CD not included Optical 3-Button ScrollPoint Pro Mouse USB 31P8700 (ThinkPlus part number 41C9196) - Lotus® SmartSuite® Millennium and ® Lenovo M500 Projector 0037A05 ➫ Other ThinkPlus services at Lotus Notes Stand-alone Client Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 services available ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced September 26, 2006 (ACIN1-3) September 2006 ThinkCentre® M55e Tower (9637) - Dual-core Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista™ Limited Workhorse Gbl Avail Name Type-modelbay Processor GHz cache Core Memory8 disk optical Graphics Preload capable warranty1 Education date M55e 9637-D1U 4x4 Pentium® D 820 2.80 2x1MB Dual 512MB 80GB2 DVD GMA 3000 XP Pro Yes 3-yr Sep 06 M55e 9637-D5U 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 160GB Combo GMA 3000 XP Pro Yes 3-yr Sep 06 M55e 9637-F9U 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 80GB DVD GMA 3000 XP Pro Yes 3-yr Oct 06 M55e 9637-FAU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 160GB Combo GMA 3000 XP Pro Yes 3-yr Oct 06 M55e 9637-J4U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 160GB Combo GMA 3000 XP Pro Yes 3-yr Sep 06 ☞ M55e 9637-J5U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 80GB DVD GMA 3000 XP Pro Yes 3-yr Whorse Gbl Nov 06

Positioning Mainstream enterprise stability and manageability Tower Processor ® Intel Pentium D Processor 820, 925, or 945 with dual-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, EIST (9xx only), • 6.9"W X 17.3" D X 15.8"H ② 800MHz system bus, and 2x1MB or 2x2MB L2 cache • 175mm W X 440mm D X 402mm H Implementation Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket • 22.0 lb (10.0 kg) disk Memory - std/max8 512MB std / 4GB max • Handle on top front Memory Two 240-pin DIMM sockets / one socket used / • Toolless cover removal PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • Toolless disk, diskette drive, unbuffered / dual-channel capable optical drive removal • Toolless adapter retention Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated graphics in 946GZ / uses main memory (up to 256MB) / Bay ① 5.25", 1.6" high, access, standard optical 400MHz / one 15-pin analog D-sub connector / Bay ② 5.25", 1.6" high, access, open supports optional ADD2 adapter but not dual independent display Bay ③ 3.5", 1" high, access, optional diskette SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening Bay ④ 3.5", 1" high, no access, standard disk SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 Slot 1: half-length, full-height, PCI Express x16 (75w max) SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar Slot 2: half-length, full-height, PCI Express x1 EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) EIDE cables One 1-drop EIDE cable to optical / 1 planar connector SECURITY Diskette drive None / use optional external USB-based diskette drive Media reader None • One lock to secure both cover and entire system to fi xed object: Chipset Intel 946GZ Express Chipset / - Padlock loop (in rear for opt padlock) 82946GZ Graphics Memory Controller Hub (GMCH) / - Security slot (in rear for optional 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, Kensington® Microsaver® cable) PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O - No keylock Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Power-on password Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Administrator password mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Boot sequence control Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Boot without keyboard, mouse, diskette Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • USB, ethernet, SATA, EIDE, serial, Speaker One internal speaker for business audio parallel, diskette enable or disable Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® • Diskette write protect Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 230 watts with variable speed fan / manual switch / 2 diagnostic LEDs Preload with Windows XP Professional5 Accessories Microsoft® Windows® XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 - Disk-to-Disk Recovery (in hidden 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ThinkCentre desktops implement protected area) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ThinkVantage® technologies and design 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 Preloaded 1 • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 LIMITED WARRANTY Rescue and Recovery ± • Client Security Solution™ Super Multi-Burner DL DVD RW Drive 41N5581 ➫ 3-year parts and labor • ThinkVantage Productivity Center USB Gemplus GemPC Smart Card Reader 41N3040 ➫ International Warranty Service9 with Away Manager USB Fingerprint Reader 41U3167 ➫ Customer Replaceable Unit (CRU) • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 parts only (with limited onsite service • ThinkVantage Fingerprint Software USB 2.0 Lenovo Webcam 40Y8519 for selected parts3, 8 am - 5 pm, (fi ngerprint models) USB 2.0 Memory Key 1GB 40Y7421 Mon - Fri coverage excluding holidays, • Symantec® Client Security™ USB 2.0 Essential Memory Key 2GB 41U4944 next business day response time) • Diskeeper Lite USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ Onsite service upgrade options • PC-Doctor™ (diagnostics) USB 2.0 Portable 120GB Hard Disk 41N8379 (in eligible locations):7 • Adobe® Reader USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, 4 hour response • Google Toolbar Lenovo L191 19" Monitor (black) 6135AB1 (ThinkPlus™ part number 41C9192) • Google Desktop Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 3-year LOR 24x7, 4 hour response • Lenovo D221 Wide 22" Monitor (black) 6622HB1 (ThinkPlus part number 41C9193) Picasa from Google ® • Multimedia Center for Think Offerings ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 9x5, Next Business Day (combo, DVD) ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9194) • Sonic RecordNow and Drive Letter Enh Perf Wireless Keyboard and Mouse 73P4067 • 4-year LOR 9x5, 4 hour response Access (combo) Optical 3-Button ScrollPoint Pro Mouse USB 31P8700 (ThinkPlus part number 41C9195) • Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response InterVideo WinDVD (combo, DVD) ® ® Kensington MicroSaver Desktop Lock 06P3839 (ThinkPlus part number 41C9196) License - CD not included Lenovo M500 Projector 0037A05 ➫ ThinkPlus services at - Lotus® SmartSuite® Millennium and ® Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty Lotus Notes Stand-alone Client DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 services available ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US model announced November 21, 2006; previous models on September 26 and October 17, 2006 (ACIN1-2) November 2006 ThinkCentre® M55e Tower (9637) - Dual-core (October 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista™ Limited Workhorse Gbl Avail NameType-model bayProcessor GHz cache Core Memory8 disk optical Graphics Preload capable warranty1 Education date ☞ M55e 9637-Q1U 4x4 Core™ 2 Duo E4300 1.80 2MB Dual 512MB 80GB2 DVD GMA XP Pro 3-yr Feb 07 ☞M55e 9637-Q2U 4x4 Core 2 Duo E4300 1.80 2MB Dual 1GB 80GB Combo GMA XP Pro 3-yr Global Feb 07 M55e 9637-P1U 4x4 Core 2 Duo E6300 1.86 2MB Dual 1GB 80GB DVD GMA XP Pro Yes 3-yr Oct 06 M55e 9637-P5U 4x4 Core 2 Duo E6300 1.86 2MB Dual 1GB 80GB DVD GMA XP Pro Yes 3-yr Educ Nov 06 M55e 9637-M1U 4x4 Core 2 Duo E6400 2.13 2MB Dual 1GB 160GB Combo GMA XP Pro Yes 3-yr Oct 06 M55e 9637-M2U 4x4 Core 2 Duo E6400 2.13 2MB Dual 1GB 160GB Combo GMA XP Pro Yes 3-yr Educ Oct 06

Positioning Mainstream enterprise stability and manageability Tower Processor ® Intel Core 2 Duo Desktop Processor E4300 with dual-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, EIST, • 6.9"W X 17.3" D X 15.8"H ② 800MHz system bus, and 2MB L2 cache (shared) or • 175mm W X 440mm D X 402mm H Intel Core 2 Duo Desktop Processor E6300 or E6400 • 22.0 lb (10.0 kg) disk with dual-core, Intel 64 Technology, Virtualization Technology, • Handle on top front Execute Disable Bit, EIST, and 1066MHz system bus with • Toolless cover removal 2MB L2 cache (shared) Implementation • Toolless disk, diskette drive, Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket optical drive removal Memory - std/max8 512 or 1GB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, standard optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open Bay ③ 3.5", 1" high, access, optional diskette Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Bay ④ 3.5", 1" high, no access, standard disk integrated graphics in 946GZ / uses main memory (up to 256MB) / 400MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) supports optional ADD2 adapter but not dual independent display Slot 2: half-length, full-height, PCI Express x1 Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar SECURITY EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE • One lock to secure both cover and EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) entire system to fi xed object: EIDE cables One 1-drop EIDE cable to optical / 1 planar connector - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive ® ® Media reader None Kensington Microsaver cable) - No keylock Chipset Intel 946GZ Express Chipset / • Power-on password 82946GZ Graphics Memory Controller Hub (GMCH) / • Administrator password 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Boot sequence control PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs ThinkCentre desktops implement Preload with Windows XP Professional5 Accessories ThinkVantage® technologies and design ® ® Microsoft Windows XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 1 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 LIMITED WARRANTY Preloaded (only some listed) ➫ • Education models: VitalSource Library 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 3-year parts and labor 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ International Warranty Service9 education software ➫ • Education models: Adobe® Photoshop® 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Customer Replaceable Unit (CRU) ® Super Multi-Burner DL DVD±RW Drive 41N5581 parts only (with limited onsite service Elements plus Adobe Premiere Elements 3 • Rescue and Recovery™ USB Gemplus GemPC Smart Card Reader 41N3040 for selected parts , 8 am - 5 pm, • Client Security Solution™ USB Fingerprint Reader 41U3167 Mon - Fri coverage excluding holidays, • ThinkVantage Productivity Center USB 2.0/Analog Headset by Sennheiser 40Y8518 next business day response time) USB 2.0 Lenovo Webcam 40Y8519 ➫ Onsite service upgrade options with Away Manager 7 • ThinkVantage System Update USB 2.0 Memory Key 1GB 40Y7421 (in eligible locations): • ® ™ USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response Symantec Client Security ™ • Diskeeper Lite USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9192) • PC-Doctor™ (diagnostics) USB 2.0 Portable 120GB Hard Disk 41N8379 • 3-year LOR 24x7, 4 hour response • Google Desktop USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9193) • Picasa from Google Lenovo L191 19" Monitor (black) 6135AB1 • 4-year LOR 9x5, Next Business Day • Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9194) Multimedia Center for Think Offerings ® (combo, DVD) ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 9x5, 4 hour response • Sonic RecordNow and Drive Letter ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9195) Access (combo) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response • InterVideo WinDVD (combo, DVD) Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9196) Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ ThinkPlus services at CD Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty • Education models: Adobe Photoshop DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance Elements plus Adobe Premiere Elements ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 services available License - CD not included ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty - Lotus® SmartSuite® Millennium and ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced January 30, 2007; previous models on October 17 and November 21, 2006 (ACIN1-6) January 2007 ® Created by Lenovo Training Solutions ThinkCentre M55e Tower (9637) - January 2007 Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Vista Vista Limited Workhorse Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics preload logo warranty1 Gbl Educ date M55e 9637-FDU 4x4 Pentium® D 925 3.00 2x2MB 1GB 80GB2 DVD GMA Business Basic 3-yr Global Feb 07 M55e 9637-P8U 4x4 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Business Basic 3-yr Global Feb 07

• These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Tower ® Processor Intel Pentium D Processor 925 with dual-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, EIST, • 6.9"W X 17.3" D X 15.8"H ② 800MHz system bus, and 2x2MB L2 cache or • 175mm W X 440mm D X 402mm H Intel Core 2 Duo Desktop Processor E6300 with dual-core, ¥ 22.0 lb (10.0 kg) disk Intel 64 Technology, Virtualization Technology, Execute Disable Bit, ¥ Handle on top front EIST, and 1066MHz system bus with 2MB L2 cache (shared) ¥ Toolless cover removal Implementation Processor and L2 cache in FC-LGA6 in LGA775 socket ¥ Toolless disk, diskette drive, Memory - std/max8 1GB std / 4GB max optical drive removal Memory Two 240-pin DIMM sockets / one socket used / ¥ Toolless adapter retention PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ① 5.25", 1.6" high, access, standard optical Bay ② 5.25", 1.6" high, access, open Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Bay ③ 3.5", 1" high, access, optional diskette integrated graphics in 946GZ / uses main memory (up to 256MB) / Bay ④ 3.5", 1" high, no access, standard disk 400MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) supports optional ADD2 adapter but not dual independent display Slot 2: half-length, full-height, PCI Express x1 SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / 2 planar connectors EIDE DVD 16X-48X Max4 DVD-ROM / single-layer / EIDE SECURITY EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • One lock to secure both cover and EIDE cables One 1-drop EIDE cable to optical / 1 planar connector entire system to fi xed object: Diskette drive None - Padlock loop (in rear for opt padlock) Media reader None - Security slot (in rear for optional ® ® Chipset Intel 946GZ Express Chipset / Kensington Microsaver cable) 82946GZ Graphics Memory Controller Hub (GMCH) / - No keylock 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Power-on password PCI 2.3 bus, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, • Administrator password diskette, hardware monitoring (temperature, voltage, fan speed) • Boot sequence control • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, serial, parallel, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • USB port disablement Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX¨ software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN¨ Modem None ThinkCentre desktops implement Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo ® Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo ThinkVantage technologies and design Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 20 Preloaded operating system Accessories ➫ 3-year parts and labor ® ® - Microsoft Windows Vista™ 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ International Warranty Service9 Business Edition (32-bit) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ Customer Replaceable Unit (CRU) Preloaded applications5 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 parts only (with limited onsite service • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 for selected parts3, 8 am - 5 pm, Rescue and Recovery ± • Client Security Solution™ Super Multi-Burner DL DVD RW Drive 41N5581 Mon - Fri coverage excluding holidays, • ThinkVantage Productivity Center USB Gemplus GemPC Smart Card Reader 41N3040 next business day response time) USB Fingerprint Reader 41U3167 ➫ Onsite service upgrade options with Away Manager 7 • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 (in eligible locations): • USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • 3-year LOR 9x5, 4 hour response System Migration Assistant ™ • Norton Internet Security USB 2.0 Portable 120GB Hard Disk 41N8379 (ThinkPlus part number 41C9192) (90 days of virus defi nitions) USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 24x7, 4 hour response • Diskeeper™ Home Lenovo L191 19" Monitor (black) 6135AB1 (ThinkPlus part number 41C9193) Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 9x5, Next Business Day • PC-Doctor™ (diagnostics) ® • Adobe® Reader ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9194) • Picasa from Google Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 9x5, 4 hour response Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9195) License - CD not included Preferred Pro USB Fingerprint Keyboard 73P4730 • 4-year LOR 24x7, 4 hour response ® ® - Lotus Notes Stand-alone Client Lenovo M500 Projector 0037A05 (ThinkPlus part number 41C9196) Lenovo C500 Projector 0039A05 ➫ ThinkPlus services at DVI-I PCIe Connection Adapter (ADD2) 73P2516 lenovo.com/thinkplus/warranty ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 ➫ Post warranty maintenance ATI X1300 256MB Dual Head/TV-out 41U5028 services available ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN11-3) January 2007 ® Created by Lenovo Training Solutions ThinkCentre M55e Small (9645) Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Vista™ Limited Workhorse Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics Preload capable warranty1 Gbl Educ date M55e 9645-F1U 2x3 Pentium® D 915 2.80 2x2MB 512MB 80GB2 DVD GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-F3U 2x3 Pentium D 915 2.80 2x2MB 1GB 80GB Combo GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-G1U 2x3 Pentium D 925 3.00 2x2MB 512MB 80GB DVD GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-G2U 2x3 Pentium D 925 3.00 2x2MB 1GB 80GB Combo GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-J1U 2x3 Pentium D 945 3.40 2x2MB 1GB 80GB DVD GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-J2U 2x3 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-K1U 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA 3000 XP Pro Yes 3-yr Global Jan 07 M55e 9645-K2U 2x3 Core 2 Duo E6300 1.86 2MB 1GB 80GB Combo GMA 3000 XP Pro Yes 3-yr Jan 07 M55e 9645-Q1U 2x3 Core 2 Duo E4300 1.80 2MB 1GB 80GB DVD GMA 3000 XP Pro Yes 3-yr Global Jan 07 ✂ M55e 9645-Q2U 2x3 Core 2 Duo E4300 1.80 2MB 512MB 80GB Combo GMA 3000 XP Pro Yes 3-yr Jan 07

Positioning Mainstream enterprise stability and manageability Small diskette Processor Intel® Pentium D Processor 915, 925, or 945 with dual-core, Optical Intel 64 Technology, Execute Disable Bit, EIST, disk 800MHz system bus, and 2x2MB L2 cache or Intel Core 2 Duo Desktop Processor E4300 with dual-core, Bay ① 3.5", slim .5", access, opt diskette Intel 64 Technology, Execute Disable Bit, EIST, Bay ② 5.25", HH 1.6", access, std optical 800MHz system bus, and 2MB L2 cache (shared) or Bay ③ 3.5", SL 1", no access, std disk Intel Core 2 Duo Desktop Processor E6300 with dual-core, Intel 64 Technology, Virtualization Technology, Execute Disable Bit, Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) EIST, and 1066MHz system bus with 2MB L2 cache (shared) Slot 2: half-length (175mm), full-height, PCI Express x1 Implementation Processor and L2 cache in FC-LGA6 in LGA775 socket (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) • 8 Business black color; metal case Memory - std/max 512MB or 1GB std / 4GB max • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) Memory Two 240-pin DIMM sockets / one socket used / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / • 18.7 to 20.0 lb (8.5 to 9.1 kg) unbuffered / dual-channel capable • Bays 1 and 2/3 fl ip up (latched and pivoting) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / • Toolless cover fl ips up and tilts backward on rear hinges integrated graphics in 946GZ / uses main memory (up to 256MB) / • Toolless disk, diskette drive, optical drive removal 400MHz / one 15-pin analog D-sub connector / • Two slots on riser card (PCI and PCI Express x1) supports optional ADD2 adapter but not dual independent display • Toolless PCI slots and riser card retention • Toolless systemboard retention SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts • Steel chassis supports 100 lb (45kg) monitor on top SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 • No system fl oor stand for vertical orientation ships std SATA combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo SATA DVD Some: 16X-48X Max4 DVD-ROM / single-layer SECURITY SATA cables Two SATA cable (each 1-drop to device) / 2 SATA connectors on planar • Security slot (in rear for attachment of Diskette drive None optional Kensington Microsaver cable) Media reader None - optional cable also locks the cover by Chipset Intel 946GZ Express Chipset / deactivating the cover release buttons 82946GZ Graphics Memory Controller Hub (GMCH) / • Power-on password 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Administrator password PCI 2.3 bus, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, • Boot sequence control diskette, hardware monitoring (temperature, voltage, fan speed) • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, serial, parallel, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) diskette enable or disable Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • USB port disablement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX¨ software Speaker One internal speaker for business audio ThinkCentre desktops implement Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN¨ ThinkVantage® technologies and design Modem None 1 Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo LIMITED WARRANTY Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo ➫ 3-year parts and labor Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs ➫ International Warranty Service9 ➫ Customer Replaceable Unit (CRU) 5 Preload with Windows XP Professional Accessories parts only (with limited onsite service Microsoft¨ Windows¨ XP Professional 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 for selected parts3, 8 am - 5 pm, 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 Mon - Fri coverage excluding holidays, Preloaded • ™ 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 next business day response time) Rescue and Recovery 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ Onsite service upgrade options • Client Security Solution™ 7 • 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 (in eligible locations): ThinkVantage Productivity Center 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • 3-year LOR 9x5, 4 hour response • ThinkVantage System Update ® 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (ThinkPlus™ part number 41C9192) • Symantec Client Security™ 4 • ™ DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 3-year LOR 24x7, 4 hour response Diskeeper Lite CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9193) • PC-Doctor™ (diagnostics) ± • ® Super Multi-Burner DL DVD RW SATA Drive 41N5620 • 4-year LOR 9x5, Next Business Day Adobe Reader USB Portable Diskette Drive 05K9276 (ThinkPlus part number 41C9194) • Google Toolbar • USB 2.0/Analog Headset by Sennheiser 40Y8518 • 4-year LOR 9x5, 4 hour response Google Desktop USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9195) • Picasa from Google • USB 2.0 Super Multi-Burner Drive 41N5565 • 4-year LOR 24x7, 4 hour response Multimedia Center for Think Offerings Lenovo L191 19" Monitor (black) 6135AB1 (ThinkPlus part number 41C9196) (combo, DVD) ➫ • Lenovo L192 Wide 19" Monitor (black) 6920AB1 ThinkPlus services at Sonic RecordNow and Drive Letter Lenovo D221 Wide 22" Monitor (black) 6622HB1 lenovo.com/thinkplus/warranty Access (combo) ¨ ➫ • ThinkVision L201p 20.1" Monitor (black) 9220HB1 Post warranty maintenance InterVideo WinDVD (combo, DVD) Lenovo Laser Mouse (USB, PS/2) 41U3074 services available License - CD not included Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ 24x714 toll-free support for warranty - Lotus Notes® Stand-alone Client DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US models announced January 16, 2007 (ACIN2-1) January 2007 ✂ US model withdrawn effective March 2007 ® Created by Lenovo Training Solutions ThinkCentre M55e Small (9645) - January 2007 Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Vista Vista Limited Workhorse Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics preload logo warranty1 Gbl Educ date M55e 9645-F5U 2x3 Pentium® D 915 2.80 2x2MB 1GB 80GB2 Combo GMA 3000 Business Premium 3-yr Jan 07 M55e 9645-G5U 2x3 Pentium D 925 3.00 2x2MB 1GB 80GB Combo GMA 3000 Business Premium 3-yr Jan 07 M55e 9645-J6U 2x3 Pentium D 945 3.40 2x2MB 1GB 160GB Combo GMA 3000 Business Premium 3-yr Jan 07 M55e 9645-J7U 2x3 Pentium D 945 3.40 2x2MB 1GB 160GB DVD GMA 3000 Business Premium 3-yr Global Jan 07 M55e 9645-K7U 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA 3000 Business Premium 3-yr Global Jan 07 M55e 9645-K9U 2x3 Core 2 Duo E6300 1.86 2MB 1GB 160GB Combo GMA 3000 Business Premium 3-yr Jan 07 M55e 9645-Q4U 2x3 Core 2 Duo E4300 1.80 2MB 1GB 80GB Combo GMA 3000 Business Premium 3-yr Jan 07 M55e 9645-Q5U 2x3 Core 2 Duo E4300 1.80 2MB 1GB 80GB DVD GMA 3000 Business Premium 3-yr Global Jan 07

• These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Small diskette Processor Intel® Pentium D Processor 915, 925, or 945 with dual-core, Optical Intel 64 Technology, Execute Disable Bit, EIST, disk 800MHz system bus, and 2x2MB L2 cache or Intel Core 2 Duo Desktop Processor E4300 with dual-core, Bay ① 3.5", slim .5", access, opt diskette Intel 64 Technology, Execute Disable Bit, EIST, Bay ② 5.25", HH 1.6", access, std optical 800MHz system bus, and 2MB L2 cache (shared) or Bay ③ 3.5", SL 1", no access, std disk Intel Core 2 Duo Desktop Processor E6300 with dual-core, Intel 64 Technology, Virtualization Technology, Execute Disable Bit, Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) EIST, and 1066MHz system bus with 2MB L2 cache (shared) Slot 2: half-length (175mm), full-height, PCI Express x1 Implementation Processor and L2 cache in FC-LGA6 in LGA775 socket (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) • 8 Business black color; metal case Memory - std/max 1GB std / 4GB max • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) Memory Two 240-pin DIMM sockets / two sockets used / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / • 18.7 to 20.0 lb (8.5 to 9.1 kg) unbuffered / dual-channel capable • Bays 1 and 2/3 fl ip up (latched and pivoting) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / • Toolless cover fl ips up and tilts backward on rear hinges integrated graphics in 946GZ / uses main memory (up to 256MB) / • Toolless disk, diskette drive, optical drive removal 400MHz / one 15-pin analog D-sub connector / • Two slots on riser card (PCI and PCI Express x1) supports optional ADD2 adapter but not dual independent display • Toolless PCI slots and riser card retention • Toolless systemboard retention SATA disk 80 or 160 GB / SATA300 7200 rpm / vibration dampening mounts • Steel chassis supports 100 lb (45kg) monitor on top SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 • No system fl oor stand for vertical orientation ships std SATA combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo SATA DVD Some: 16X-48X Max4 DVD-ROM / single-layer SECURITY SATA cables Two SATA cable (each 1-drop to device) / 2 SATA connectors on planar • Security slot (in rear for attachment of Diskette drive None optional Kensington® Microsaver® cable) Media reader None - optional cable also locks the cover by Chipset Intel 946GZ Express Chipset / deactivating the cover release buttons 82946GZ Graphics Memory Controller Hub (GMCH) / • Power-on password 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Administrator password PCI 2.3 bus, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, • Boot sequence control diskette, hardware monitoring (temperature, voltage, fan speed) • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, serial, parallel, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) diskette enable or disable Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • USB port disablement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio ThinkCentre desktops implement Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN® ThinkVantage® technologies and design Modem None 1 Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo LIMITED WARRANTY Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo ➫ 3-year parts and labor Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs ➫ International Warranty Service9 ➫ Customer Replaceable Unit (CRU) 20 Preloaded operating system Accessories parts only (with limited onsite service - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 for selected parts3, 8 am - 5 pm, Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Mon - Fri coverage excluding holidays, Preloaded applications5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 next business day response time) • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ Onsite service upgrade options Rescue and Recovery 4 7 • Client Security Solution™ DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 (in eligible locations): • CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 • 3-year LOR 9x5, 4 hour response ThinkVantage Productivity Center ± ™ with Away Manager Super Multi-Burner DL DVD RW SATA Drive 41N5620 (ThinkPlus part number 41C9192) • ThinkVantage System Update USB Portable Diskette Drive 05K9276 • 3-year LOR 24x7, 4 hour response • System Migration Assistant USB 2.0/Analog Headset by Sennheiser 40Y8518 (ThinkPlus part number 41C9193) • Norton Internet Security USB 2.0 Essential Memory Key 2GB 41U4944 • 4-year LOR 9x5, Next Business Day (90 days of virus defi nitions) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9194) • Diskeeper™ Home USB 2.0 Super Multi-Burner Drive 41N5565 • 4-year LOR 9x5, 4 hour response • PC-Doctor™ (diagnostics) Lenovo L191 19" Monitor (black) 6135AB1 (ThinkPlus part number 41C9195) • Adobe® Reader Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 24x7, 4 hour response • Picasa from Google Lenovo D221 Wide 22" Monitor (black) 6622HB1 (ThinkPlus part number 41C9196) ThinkVision® L201p 20.1" Monitor (black) 9220HB1 ➫ ThinkPlus services at License - CD not included Lenovo Laser Mouse (USB, PS/2) 41U3074 lenovo.com/thinkplus/warranty ® ® - Lotus Notes Stand-alone Client Enh Perf Wireless Keyboard and Mouse 73P4067 ➫ Post warranty maintenance Lenovo M500 Projector 0037A05 services available Lenovo C500 Projector 0039A05 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN2-5) January 2007 ThinkCentre® M55 Ultra Small (8807) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date ☞ M55 8807-52U 1x2 Pentium® D 925 3.00 2x2MB 1GB 80GB2 Combo GMA Q963 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8807-65U 1x2 Pentium D 945 3.40 2x2MB 512MB 80GB Combo GMA Q963 Yes No XP Pro Yes 3-yr WH Sep 06 M55 8807-66U 1x2 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA Q963 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8807-93U 1x2 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB Combo GMA Q963 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8807-97U 1x2 Core 2 Duo E6300 1.86 2MB 1GB 160GB DVD±RW GMA Q963 Yes No XP Pro Yes 3-yr Sep 06 M55 8807-D2U 1x2 Core 2 Duo E6400 2.13 2MB 512MB 80GB Combo GMA Q963 Yes No XP Pro Yes 3-yr Sep 06 M55 8807-D5U 1x2 Core 2 Duo E6400 2.13 2MB 1GB 80GB Combo GMA Q963 Yes No XP Pro Yes 3-yr Sep 06

• These models have a 3-year limited warranty 1

Positioning Ultimate enterprise manageability Ultra Small disk Processor Intel® Pentium D Processor 925 or 945 with dual-core, optical Intel 64 Technology, Execute Disable Bit, EIST, and 800MHz system bus with 2x2MB L2 cache or Intel Core 2 Duo Desktop Processor E6300 or E6400 with dual-core, Intel 64 Technology, Virtualization Technology, Bay ① 3.5", SL 1", no access, std disk (desktop) Execute Disable Bit, EIST, and 1066MHz system bus with Bay ② 5.25", *slim .5", access, std optical (notebook) 2MB L2 cache (shared) * Optical bay is Ultrabay™ Enhanced 12.7mm high Implementation Processor in FC-LGA6 package in LGA775 socket (supports select ThinkPad-based Ultrabay Enhanced Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only [12.7mm high] and Ultrabay Slim [9.5mm high] devices) Memory Two 240-pin DIMM sockets / one socket used / PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable • Up to 75% less space than desktop chassis • Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated Business black color; metal case • 10.8" W X 10.8" D X 3.4" H graphics in Q963 / uses main memory (up to 256MB) / 400MHz / • one 15-pin analog D-sub connector 275mm W X 275mm D X 87.5mm H • 13.2 to 14.0 lb (6.0 to 6.4 kg) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening mounts • Toolless cover fl ips up and tilts backward on rear hinges SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • Toolless disk and optical drive removal SATA cables One SATA cable (1-drop to disk) / one SATA connector on planar • Bays 1 and 2 fl ip up (latched and pivoting) EIDE Combo Some: 24X/24X/24X/8X Max11 CD-RW/DVD-ROM Combo / • Toolless PCI slot and riser card retention Ultrabay Enhanced (12.5mm high) • Steel chassis supports 100 lb (45kg) monitor on top EIDE DVD±RW Some: Super Multi-Burner Ultrabay Slim Drive (9.5 mm high) • No system fl oor stand for vertical orientation ships std EIDE controller Enhanced IDE / ATA-100 / via EIDE bridge SIL3811 from ICH8 EIDE cables One cable (one 1-drop Ultrabay Enhanced cable to optical) / SECURITY one EIDE connector (Ultrabay Enhanced) on systemboard Diskette drive None • Security chip (see information on left) • Security slot (in rear for attachment of Chipset Intel Q963 Express Chipset / optional Kensington Microsaver cable) 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, - optional cable also locks the cover by ethernet (MAC), PCI 2.3, USB, LPC interface / deactivating the cover release buttons SMSC™ SHC5407 Super I/O for serial, parallel, diskette, • Power-on password hardware monitoring (temperature, voltage, fan speed) • Administrator password Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Hard disk password (user and master) Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), • Boot sequence control monitor (DB-15) • Boot without keyboard, mouse, diskette Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software parallel, diskette enable or disable Speaker One internal speaker for business audio • Diskette write protect Ethernet Gigabit ethernet on planar / Broadcom® BCM5755 (PHY/MAC) / PCIe x1 • USB port disablement Intel AMT None Modem None Security chip Trusted Platform Module / in Broadcom® BCM5755 / TCG 1.2-compliant ThinkCentre desktops implement Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo ThinkVantage® technologies and design Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 225 watts with variable speed fan / autosensing / two diagnostic LEDs LIMITED WARRANTY1 Preload with Windows XP Professional5 Accessories ➫ 3-year parts and labor ® ® ➫ Microsoft Windows XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 Customer Replaceable Unit (CRU) - Disk-to-Disk Recovery (in hidden parts only (with limited onsite service 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 3 protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 for selected parts , 8 am - 5 pm, 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Mon - Fri coverage excluding holidays, Preloaded (only some listed) next business day response time) • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 ➫ USB Fingerprint Reader 41U3167 Onsite service upgrade options • Client Security Solution™ 7 • USB 2.0/Analog Headset by Sennheiser 40Y8518 (in eligible locations): ThinkVantage Productivity Center • 3-year LOR 9x5, 4 hour response with Away Manager USB 2.0 Lenovo Webcam 40Y8519 ™ • USB 2.0 Memory Key 1GB 40Y7421 (ThinkPlus part number 41C9192) ThinkVantage System Update • 3-year LOR 24x7, 4 hour response • Symantec® Client Security™ USB 2.0 Super Multi-Burner Drive 41N5565 • CD-RW/DVD Combo Ultrabay Enhanced (cur) 73P3275 (ThinkPlus part number 41C9193) Diskeeper Lite • 4-year LOR 9x5, Next Business Day • PC-Doctor™ (diagnostics) Super Multi-Burner Ultrabay Enh Drv (curved) 40Y8624 • Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9194) Multimedia Center for Think Offerings • 4-year LOR 24x7, 4 hour response (combo, DVD±RW) Lenovo D221 Wide 22" Monitor (black) 6622HB2 • ThinkVision® L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9196) Sonic RecordNow and Drive Letter ➫ ThinkPlus services at Access (combo, DVD±RW) ThinkVision L201p 20.1" Monitor (black) 9220HB1 • ± Kensington® MicroSaver® Desktop Lock 06P3839 lenovo.com/thinkplus/warranty InterVideo WinDVD (combo, DVD RW) ➫ Post warranty maintenance • InterVideo WinDVD Creator (DVD±RW) Lenovo Laser Mouse (USB, PS/2) 41U3074 Enh Perf Wireless Keyboard and Mouse 73P4067 services available ➫ 14 License - CD not included Preferred Pro USB Fingerprint Keyboard 73P4730 24x7 toll-free support for warranty ® ® 1 - Lotus SmartSuite Millennium and Other accessories at lenovo.com/accessories issues during the warranty period Lotus Notes® Stand-alone Client 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US model announced October 24, 2006; previous models on September 26, 2006 (AR1-1) October 2006 ThinkCentre® M55 Ultra Small (8807) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA EIDE Security Intel Vista Vista Limited Global Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55 8807-9JU 1x2 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB Combo GMA Q963 Yes No Business Premium 3-yr Gbl Feb 07

• This model has a 3-year limited warranty1

Positioning Ultimate enterprise manageability ® Ultra Small disk Processor Intel Core 2 Duo Desktop Processor E6300 with dual-core, optical Intel 64 Technology, Virtualization Technology, Execute Disable Bit, EIST, and 1066MHz system bus with 2MB L2 cache (shared) Implementation Processor in FC-LGA6 package in LGA775 socket 8 Bay ① 3.5", SL 1", no access, std disk (desktop) Memory - std/max 1GB std / 4GB max / DDR2 only ② Memory Two 240-pin DIMM sockets / two sockets used (512MB in each) / Bay 5.25", *slim .5", access, std optical (notebook) PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / * Optical bay is Ultrabay™ Enhanced 12.7mm high unbuffered / dual-channel capable (supports select ThinkPad-based Ultrabay Enhanced [12.7mm high] and Ultrabay Slim [9.5mm high] devices) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated graphics in Q963 / uses main memory (up to 256MB) / 400MHz / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) one 15-pin analog D-sub connector • Up to 75% less space than desktop chassis SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • Business black color; metal case SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • 10.8" W X 10.8" D X 3.4" H SATA cables One SATA cable (1-drop to disk) / one SATA connector on planar • 275mm W X 275mm D X 87.5mm H EIDE Combo 24X/24X/24X/8X Max11 CD-RW/DVD-ROM Combo / • 13.2 to 14.0 lb (6.0 to 6.4 kg) Ultrabay Enhanced (12.5mm high) • Toolless cover fl ips up and tilts backward on rear hinges EIDE controller Enhanced IDE / ATA-100 / via EIDE bridge SIL3811 from ICH8 • Toolless disk and optical drive removal EIDE cables One cable (one 1-drop Ultrabay Enhanced cable to optical) / • Bays 1 and 2 fl ip up (latched and pivoting) one EIDE connector (Ultrabay Enhanced) on systemboard • Toolless PCI slot and riser card retention Diskette drive None • Steel chassis supports 100 lb (45kg) monitor on top • Chipset Intel Q963 Express Chipset / No system fl oor stand for vertical orientation ships std 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / SECURITY SMSC™ SHC5407 Super I/O for serial, parallel, diskette, • Security chip (see information on left) hardware monitoring (temperature, voltage, fan speed) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), - optional cable also locks the cover by monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Power-on password Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on planar / Broadcom® BCM5755 (PHY/MAC) / PCIe x1 • Boot sequence control Intel AMT None • Boot without keyboard, mouse, diskette Modem None • USB, ethernet, SATA, EIDE, serial, Security chip Trusted Platform Module / in Broadcom® BCM5755 / TCG 1.2-compliant parallel, diskette enable or disable • Diskette write protect Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo • USB port disablement Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 225 watts with variable speed fan / autosensing / two diagnostic LEDs Supports ThinkVantage¨ technologies Preloaded operating system20 Accessories 1 - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 LIMITED WARRANTY Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ 3-year parts and labor ➫ Preloaded applications5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Customer Replaceable Unit (CRU) • ™ 160GB Serial ATA300 Disk (7200 rpm) 09N4254 parts only (with limited onsite service Rescue and Recovery 3 • Client Security Solution™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 for selected parts , 8 am - 5 pm, • ThinkVantage Productivity Center USB Portable Diskette Drive 05K9276 Mon - Fri coverage excluding holidays, with Away Manager USB Fingerprint Reader 41U3167 next business day response time) • USB Gemplus GemPC Smart Card Reader 41N3040 ➫ Onsite service upgrade options ThinkVantage System Update 7 • System Migration Assistant USB 2.0/Analog Headset by Sennheiser 40Y8518 (in eligible locations): • USB 2.0 Lenovo Webcam 40Y8519 • 3-year LOR 9x5, 4 hour response Norton Internet Security ™ (90 days of virus defi nitions) USB 2.0 Essential Memory Key 1GB 41U4940 (ThinkPlus part number 41C9192) • Diskeeper™ Home USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 24x7, 4 hour response • PC-Doctor™ (diagnostics) USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9193) • Adobe® Reader CD-RW/DVD Combo Ultrabay Enhanced (cur) 73P3275 • 4-year LOR 9x5, Next Business Day • Picasa from Google Super Multi-Burner Ultrabay Enh Drv (curved) 40Y8624 (ThinkPlus part number 41C9194) Lenovo L171 17" Monitor (black) 9227AC1 • 4-year LOR 9x5, 4 hour response License - CD not included Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9195) ® ® - Lotus Notes Stand-alone Client Lenovo D221 Wide 22" Monitor (black) 6622HB2 • 4-year LOR 24x7, 4 hour response ThinkVision® L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9196) ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ ThinkPlus services at Kensington® MicroSaver® Desktop Lock 06P3839 lenovo.com/thinkplus/warranty Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post warranty maintenance Enh Perf Wireless Keyboard and Mouse 73P4067 services available Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ 24x714 toll-free support for warranty Lenovo C500 Projector 0039A05 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US model announced February 6, 2007 (AR11-4) February 2007 ThinkCentre® M55 Small (8808) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date ☞ M55 8808-H3U 2x3 Pentium® D 925 3.00 2x2MB 1GB 80GB2 DVD GMA Q963 None No XP Pro Yes 3-yr Gbl Oct 06 M55 8808-8HU 2x3 Pentium D 945 3.40 2x2MB 1GB 80GB DVD GMA Q963 None No XP Pro Yes 3-yr Gbl Sep 06 M55 8808-8NU 2x3 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA Q963 None No XP Pro Yes 3-yr Sep 06 M55 8808-94U 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q963 None No XP Pro Yes 3-yr Gbl Sep 06 M55 8808-9DU 2x3 Core 2 Duo E6300 1.86 2MB 1GB 160GB DVD±RW GMA Q963 None No XP Pro Yes 3-yr Sep 06 M55 8808-D2U 2x3 Core 2 Duo E6400 2.13 2MB 1GB 80GB Combo GMA Q963 None No XP Pro Yes 3-yr Sep 06 • These models have a 3-year limited warranty 1

Positioning Ultimate enterprise manageability Small diskette Processor Intel® Pentium D Processor 925 or 945 with dual-core, Optical Intel 64 Technology, Execute Disable Bit, EIST, and disk 800MHz system bus with 2x2MB L2 cache or Intel Core 2 Duo Desktop Processor E6300 or E6400 Bay ① 3.5", slim .5", access, opt diskette with dual-core, Intel 64 Technology, Virtualization Technology, Bay ② 5.25", HH 1.6", access, std optical Execute Disable Bit, EIST, and 1066MHz system bus with Bay ③ 3.5", SL 1", no access, std disk 2MB L2 cache (shared) Implementation Processor in FC-LGA6 package in LGA775 socket Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) Slot 2: half-length (175mm), full-height, PCI Express x1 Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) Memory Two 240-pin DIMM sockets / one socket used / • Business black color; metal case PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) unbuffered / dual-channel capable • 310mm W X 358mm D X 85mm H (87.5mm H with feet) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated • 18.7 to 20.0 lb (8.5 to 9.1 kg) graphics in Q963 / uses main memory (up to 256MB) / 400MHz / • Bays 1 and 2/3 fl ip up (latched and pivoting) one 15-pin analog D-sub connector / • Toolless cover fl ips up and tilts backward on rear hinges supports dual independent display with optional ADD2 adapter • Toolless disk, diskette drive, optical drive removal • Two slots on riser card (PCI and PCI Express x1) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening mounts • Toolless PCI slots and riser card retention SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • 4 Toolless systemboard retention SATA DVD Some: DVD-ROM DL SATA150 16-48X Max Drive (41N5618) • Steel chassis supports 100 lb (45kg) monitor on top SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) • No system fl oor stand for vertical orientation ships std SATA DVD±RW Some: Super Multi-Burner DL DVD±RW SATA150 Drv (41N5620) SATA cables Two SATA cables (each 1-drop to device) / 2 SATA connectors SECURITY EIDE controller None Diskette drive None • Security slot (in rear for attachment of optional Kensington Microsaver cable) Chipset Intel Q963 Express Chipset / - optional cable also locks the cover by 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, deactivating the cover release buttons ethernet (MAC), PCI 2.3, USB, LPC interface / • Power-on password SMSC™ SHC5407 Super I/O for serial, parallel, diskette, • Administrator password hardware monitoring (temperature, voltage, fan speed) • Hard disk password (user and master) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Boot sequence control Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), • Boot without keyboard, mouse, diskette monitor (DB-15) • USB, ethernet, SATA, serial, parallel, Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) diskette enable or disable Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software • Diskette write protect Speaker One internal speaker for business audio • USB port disablement Ethernet Gigabit ethernet on planar / Broadcom® BCM5787 (PHY/MAC) / PCIe x1 Intel AMT None Modem None Security chip None ThinkCentre desktops implement ® Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo ThinkVantage technologies and design; Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo visit thinkcentre.com/thinkvantage Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 Preload with Windows XP Professional5 Accessories ➫ 3-year parts and labor Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ International Warranty Service9 - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ Customer Replaceable Unit (CRU) protected area 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 parts only (with limited onsite service 3 Preloaded (only some listed) 250GB Serial ATA300 Disk (7200 rpm) 41N3015 for selected parts , 8 am - 5 pm, • Rescue and Recovery™ USB Portable Diskette Drive 05K9276 Mon - Fri coverage excluding holidays, • Client Security Solution™ USB Fingerprint Reader 41U3167 next business day response time) • USB 2.0/Analog Headset by Sennheiser 40Y8518 ➫ Onsite service upgrade options ThinkVantage Productivity Center 7 • ThinkVantage System Update USB 2.0 Lenovo Webcam 40Y8519 (in eligible locations): • ® ™ USB 2.0 Memory Key 1GB 40Y7421 • 3-year LOR 9x5, 4 hour response Symantec Client Security ™ • Diskeeper Lite USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus part number 41C9192) • ™ USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 24x7, 4 hour response PC-Doctor (diagnostics) 4 • Google Toolbar DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 (ThinkPlus part number 41C9193) • CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 • 4-year LOR 9x5, Next Business Day Google Desktop ± • Picasa from Google Super Multi-Burner DL DVD RW SATA Drive 41N5620 (ThinkPlus part number 41C9194) • Multimedia Center for Think Offerings Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 9x5, 4 hour response ± Lenovo D221 Wide 22" Monitor (black) 6622HB2 (ThinkPlus part number 41C9195) (combo, DVD, DVD RW) ® • Sonic RecordNow and Drive Letter ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 24x7, 4 hour response ± ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9196) Access (combo, DVD RW) ➫ • InterVideo WinDVD (combo, DVD, Enh Perf Wireless Keyboard and Mouse 73P4067 ThinkPlus services at ± Preferred Pro USB Fingerprint Keyboard 73P4730 lenovo.com/thinkplus/warranty DVD RW) ➫ • InterVideo WinDVD Creator (DVD±RW) Lenovo Laser Mouse (USB, PS/2) 41U3074 Post warranty maintenance Lenovo C500 Projector 0039A05 services available License - CD not included ® ® ➫ 14 ® ® Kensington MicroSaver Desktop Lock 06P3839 24x7 toll-free support for warranty - Lotus SmartSuite Millennium and 1 ® DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US model announced October 24, 2006; previous models on September 26, 2006 (AR1-2) October 2006 ThinkCentre® M55 Small (8808) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel Vista Vista Limited Global Avail NameType-model bay Processor GHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55 8808-EJU 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q963 None No Business Premium 3-yr Gbl Feb 07

• This model has a 3-year limited warranty1

Positioning Ultimate enterprise manageability Small diskette Processor Intel® Core 2 Duo Desktop Processor E6300 with dual-core, Optical Intel 64 Technology, Virtualization Technology, Execute Disable Bit, disk EIST, and 1066MHz system bus with 2MB L2 cache (shared) Implementation Processor in FC-LGA6 package in LGA775 socket Bay ① 3.5", slim .5", access, opt diskette Memory - std/max8 Bay ② 5.25", HH 1.6", access, std optical 1GB std / 4GB max / DDR2 only ③ Memory Two 240-pin DIMM sockets / two sockets used (512MB in each) / Bay 3.5", SL 1", no access, std disk PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable Slot 2: half-length (175mm), full-height, PCI Express x1 Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) graphics in Q963 / uses main memory (up to 256MB) / 400MHz / • Business black color; metal case one 15-pin analog D-sub connector / • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) supports dual independent display with optional ADD2 adapter • 310mm W X 358mm D X 85mm H (87.5mm H with feet) • 18.7 to 20.0 lb (8.5 to 9.1 kg) SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • Bays 1 and 2/3 fl ip up (latched and pivoting) SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • 4 Toolless cover fl ips up and tilts backward on rear hinges SATA DVD DVD-ROM DL SATA150 16-48X Max Drive (41N5618) • Toolless disk, diskette drive, optical drive removal SATA cables Two SATA cables (each 1-drop to device) / 2 SATA connectors • Two slots on riser card (PCI and PCI Express x1) EIDE controller None • Toolless PCI slots and riser card retention Diskette drive None • Toolless systemboard retention Chipset Intel Q963 Express Chipset / • Steel chassis supports 100 lb (45kg) monitor on top 82801HB I/O Controller Hub 8 (ICH8) for SATA300, • No system fl oor stand for vertical orientation ships std PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, diskette, hardware monitoring SECURITY (temperature, voltage, fan speed) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), - optional cable also locks the cover by monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Power-on password Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software • Administrator password Speaker One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on planar / Broadcom® BCM5787 (PHY/MAC) / PCIe x1 • Boot sequence control Intel AMT None • Boot without keyboard, mouse, diskette Modem None • USB, ethernet, SATA, serial, parallel, Security chip None diskette enable or disable • Diskette write protect Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo • USB port disablement Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs Preloaded operating system20 Accessories ThinkCentre desktops implement ® - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ThinkVantage technologies and design; Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 visit thinkcentre.com/thinkvantage 5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 1 Preloaded applications 160GB Serial ATA300 Disk (7200 rpm) 09N4254 LIMITED WARRANTY • Rescue and Recovery™ ➫ • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 3-year parts and labor Client Security Solution ➫ 9 • USB Portable Diskette Drive 05K9276 International Warranty Service ThinkVantage Productivity Center USB Fingerprint Reader 41U3167 ➫ Customer Replaceable Unit (CRU) with Away Manager • USB 2.0/Analog Headset by Sennheiser 40Y8518 parts only (with limited onsite service ThinkVantage System Update USB 2.0 Lenovo Webcam 40Y8519 for selected parts3, 8 am - 5 pm, • System Migration Assistant • USB 2.0 Essential Memory Key 1GB 41U4940 Mon - Fri coverage excluding holidays, Norton Internet Security USB 2.0 Essential Memory Key 2GB 41U4944 next business day response time) (90 days of virus defi nitions) ➫ • ™ USB 2.0 Super Multi-Burner Drive 41N5565 Onsite service upgrade options Diskeeper Home DVD-ROM DL SATA150 16X-48X Max4 Drive 41N5618 (in eligible locations):7 • PC-Doctor™ (diagnostics) • ® CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 • 3-year LOR 9x5, 4 hour response Adobe Reader Super Multi-Burner DL DVD±RW SATA Drive 41N5620 (ThinkPlus™ part number 41C9192) • Picasa from Google Lenovo L171 17" Monitor (black) 9227AC1 • 3-year LOR 24x7, 4 hour response License - CD not included Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9193) ® ® - Lotus Notes Stand-alone Client Lenovo D221 Wide 22" Monitor (black) 6622HB2 • 4-year LOR 9x5, Next Business Day ThinkVision® L171p 17" Monitor (black) 9417HC2 (ThinkPlus part number 41C9194) ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 9x5, 4 hour response ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9195) Enh Perf Wireless Keyboard and Mouse 73P4067 • 4-year LOR 24x7, 4 hour response Preferred Pro USB Fingerprint Keyboard 73P4730 (ThinkPlus part number 41C9196) Optical 3-Button ScrollPoint Pro Mouse USB 31P8700 ➫ ThinkPlus services at Lenovo Laser Mouse (USB, PS/2) 41U3074 lenovo.com/thinkplus/warranty Lenovo M500 Projector 0037A05 ➫ Post warranty maintenance Lenovo C500 Projector 0039A05 services available Kensington® MicroSaver® Desktop Lock 06P3839 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US model announced February 6, 2007 (AR11-2) February 2007 ThinkCentre® M55 Desktop (8810) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date ☞ M55 8810-F4U 3x3 Pentium¨ D 925 3.00 2x2MB 512MB 80GB2 DVD GMA Q965 Yes No XP Pro Yes 3-yr Gbl Oct 06 ☞ M55 8810-FBU 3x3 Pentium D 925 3.00 2x2MB 1GB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Gbl Oct 06 M55 8810-6EU 3x3 Pentium D 945 3.40 2x2MB 1GB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8810-6FU 3x3 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8810-93U 3x3 Core™ 2 Duo E6300 1.86 2MB 512MB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8810-94U 3x3 Core 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8810-9AU 3x3 Core 2 Duo E6300 1.86 2MB 1GB 160GB DVD±RW GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8810-D1U 3x3 Core 2 Duo E6400 2.13 2MB 512MB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8810-D2U 3x3 Core 2 Duo E6400 2.13 2MB 512MB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8810-D3U 3x3 Core 2 Duo E6400 2.13 2MB 1GB 160GB DVD±RW GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 ☞ M55 8810-D7U 3x3 Core 2 Duo E6400 2.13 2MB 1GB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Gbl Oct 06 Positioning Stability and manageability for the enterprise Desktop Processor Intel® Pentium D Processor 925 or 945 with dual-core, disk optical Intel 64 Technology, Execute Disable Bit, EIST, and diskette 800MHz system bus with 2x2MB L2 cache or Intel Core 2 Duo Desktop Processor E6300 or E6400 Bay ① 5.25", HH 1.6", access, std optical with dual-core, Intel 64 Technology, Virtualization Technology, Bay ② 3.5", SL 1", access, opt diskette Execute Disable Bit, EIST, and 1066MHz system bus with Bay ③ 3.5", SL 1", no access, std disk 2MB L2 cache (shared) Implementation Slot 1: Low Profi le, PCI Express x16 (25w max), Processor in FC-LGA6 package in LGA775 socket supports optional ADD2 card Memory - std/max8 512MB or 1GB std / 8GB max / DDR2 only Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) Memory Four 240-pin DIMM sockets / one socket used / Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / • Business black color; metal case unbuffered / dual-channel capable • 13.8" W X 15.2" D X 4.2" H Graphics • 350mm W X 385mm D X 108mm H Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated • graphics in Q965 / uses main memory (up to 256MB) / 400MHz / With vertical stand: 5.9" W X 15.2"D X 15.0"H • 18.5 to 22.0 lb (8.4 to 10.0 kg) one 15-pin analog D-sub connector / • supports dual independent display with optional ADD2 adapter All three bays fl ip up (latched and pivoting) • Toolless cover fl ips up and tilts backward on rear hinges SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening mounts • Toolless disk, diskette drive, optical drive removal SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • Two slots on riser card (PCI 2.3) SATA DVD Some: DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) • Toolless systemboard and adapter retention SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) • Steel chassis supports 100 lb (45kg) monitor on top SATA DVD±RW Some: Super Multi-Burner DL DVD±RW SATA150 Drv (41N5620) • No system fl oor stand for vertical orientation ships std SATA cables Two SATA cables (each 1-drop to device) / 3 SATA connectors EIDE controller None SECURITY Diskette drive None • Security chip (see information on left) Chipset Intel Q965 Express Chipset / • Security slot (in rear for attachment of 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, optional Kensington Microsaver cable) ethernet (MAC), PCI 2.3, USB, LPC interface / - optional cable also locks the cover by SMSC™ SHC5407 Super I/O for serial, parallel, diskette, deactivating the cover release buttons hardware monitoring (temperature, voltage, fan speed) • U-bolt anchoring feature (U-bolt is optional; supports optional padlock) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Power-on password Rear ports Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), • Administrator password monitor (DB-15) • Hard disk password (user and master) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® Boot sequence control Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX software • Boot without keyboard, mouse, diskette Speaker One internal speaker for business audio • ® USB, ethernet, SATA, serial, parallel, Ethernet Gigabit ethernet on planar / Broadcom BCM5755 (PHY/MAC) / PCIe x1 diskette enable or disable Intel AMT None • Diskette write protect Modem None • USB port disablement Security chip Trusted Platform Module / in Broadcom® BCM5755 / TCG 1.2-compliant

Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo ® Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Supports ThinkVantage technologies Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 5 Preload with Windows XP Professional Accessories ➫ 3-year parts and labor Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ Customer Replaceable Unit (CRU) Preloaded (only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 parts only (with limited onsite service • Rescue and Recovery™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 for selected parts3, 8 am - 5 pm, • Client Security Solution™ 512MB PC2-6400 NP DDR2 UDIMM 41U2976 Mon - Fri coverage excluding holidays, • ThinkVantage Productivity Center 1GB PC2-6400 NP DDR2 UDIMM 41U2977 next business day response time) • ThinkVantage System Update 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ Onsite service upgrade options • Symantec® Client Security™ USB Fingerprint Reader 41U3167 (in eligible locations):7 • Diskeeper Lite USB 2.0 Lenovo Webcam 40Y8519 • 3-year LOR 9x5, 4 hour response • ™ USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus™ part number 41C9192) PC-Doctor (diagnostics) 4 • Multimedia Center for Think Offerings DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 3-year LOR 24x7, 4 hour response ± CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9193) (combo, DVD, DVD RW) ± • Sonic RecordNow and Drive Letter Super Multi-Burner DL DVD RW SATA Drive 41N5620 • 4-year LOR 9x5, 4 hour response ± Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9195) Access (combo, DVD RW) ® • InterVideo WinDVD (combo, DVD, ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 4-year LOR 24x7, 4 hour response DVD±RW) Lenovo M500 Projector 0037A05 (ThinkPlus part number 41C9196) • InterVideo WinDVD Creator (DVD±RW) Lenovo C500 Projector 0039A05 ➫ Other ThinkPlus services at DVI-I PCIe Connection Adapter (ADD2) 73P2516 lenovo.com/thinkplus/warranty License - CD not included ® ® ➫ 14 ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 24x7 toll-free support for warranty - Lotus SmartSuite Millennium and 1 ® ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo ☞ US models announced October 24, 2006; previous models on September 26, 2006 (AR1-4) October 2006 ThinkCentre® M55 Desktop (8810) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel Vista Vista Limited Global Avail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55 8810-9NU 3x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q965 Yes No Business Premium 3-yr Gbl Sep 06

• This model has a 3-year limited warranty1

Positioning Stability and manageability for the enterprise Desktop Processor Intel® Core 2 Duo Desktop Processor E6300 or E6400 disk optical with dual-core, Intel 64 Technology, Virtualization Technology, diskette Execute Disable Bit, EIST, and 1066MHz system bus with 2MB L2 cache (shared) Bay ① 5.25", HH 1.6", access, std optical Implementation Processor in FC-LGA6 package in LGA775 socket Bay ② 3.5", SL 1", access, opt diskette Memory - std/max8 1GB std / 8GB max / DDR2 only Bay ③ 3.5", SL 1", no access, std disk Memory Four 240-pin DIMM sockets / two sockets used / Slot 1: Low Profi le, PCI Express x16 (25w max), PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / supports optional ADD2 card unbuffered / dual-channel capable Slot 2: half-length, full-height, 32-bit PCI 2.3 (5v) Graphics Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated • graphics in Q965 / uses main memory (up to 256MB) / 400MHz / Business black color; metal case • 13.8" W X 15.2" D X 4.2" H one 15-pin analog D-sub connector / • supports dual independent display with optional ADD2 adapter 350mm W X 385mm D X 108mm H • With vertical stand: 5.9" W X 15.2" D X 15.0" H SATA disk 80GB / SATA300 7200 rpm / vibration dampening mounts • 18.5 to 22.0 lb (8.4 to 10.0 kg) SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • All three bays fl ip up (latched and pivoting) SATA DVD DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) • Toolless cover fl ips up and tilts backward on rear hinges SATA cables Two SATA cables (each 1-drop to device) / 3 SATA connectors • Toolless disk, diskette drive, optical drive removal EIDE controller None • Two slots on riser card (PCI 2.3) Diskette drive None • Toolless systemboard and adapter retention Chipset • Steel chassis supports 100 lb (45kg) monitor on top Intel Q965 Express Chipset / • 82801HB I/O Controller Hub 8 (ICH8) for SATA300, No system fl oor stand for vertical orientation ships std PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / SECURITY SMSC™ SHC5407 Super I/O for serial, parallel, diskette, hardware monitoring (temperature, voltage, fan speed) • Security chip (see information on left) • Security slot (in rear for attachment of Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) optional Kensington Microsaver cable) Rear ports Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), - optional cable also locks the cover by monitor (DB-15) deactivating the cover release buttons Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • ® U-bolt anchoring feature (U-bolt is Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX software optional; supports optional padlock) Speaker One internal speaker for business audio • ® Power-on password Ethernet Gigabit ethernet on planar / Broadcom BCM5755 (PHY/MAC) / PCIe x1 • Administrator password Intel AMT None • Hard disk password (user and master) Modem None • ® Boot sequence control Security chip Trusted Platform Module / in Broadcom BCM5755 / TCG 1.2-compliant • Boot without keyboard, mouse, diskette Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo • USB, ethernet, SATA, serial, parallel, Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo diskette enable or disable Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs • Diskette write protect • USB port disablement Preloaded operating system20 Accessories ® ® ™ - Microsoft Windows Vista 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ® Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Supports ThinkVantage technologies 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Preloaded applications5 LIMITED WARRANTY1 • Rescue and Recovery™ 512MB PC2-6400 NP DDR2 UDIMM 41U2976 • ™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 ➫ 3-year parts and labor Client Security Solution ➫ Customer Replaceable Unit (CRU) • ThinkVantage Productivity Center 160GB Serial ATA300 Disk (7200 rpm) 09N4254 with Away Manager 250GB Serial ATA300 Disk (7200 rpm) 41N3015 parts only (with limited onsite service • USB Fingerprint Reader 41U3167 for selected parts3, 8 am - 5 pm, ThinkVantage System Update Mon - Fri coverage excluding holidays, • System Migration Assistant USB 2.0/Analog Headset by Sennheiser 40Y8518 • Norton Internet Security USB 2.0 Lenovo Webcam 40Y8519 next business day response time) USB 2.0 Essential Memory Key 2GB 41U4944 ➫ Onsite service upgrade options (90 days of virus defi nitions) 7 • Diskeeper™ Home USB 2.0 Super Multi-Burner Drive 41N5565 (in eligible locations): 4 • 3-year LOR 9x5, 4 hour response • PC-Doctor™ (diagnostics) DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 ® (ThinkPlus™ part number 41C9192) • Adobe Reader CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 ± • 3-year LOR 24x7, 4 hour response • Picasa from Google Super Multi-Burner DL DVD RW SATA Drive 41N5620 Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9193) License - CD not included Preferred Pro USB Fingerprint Keyboard 73P4730 • 4-year LOR 9x5, 4 hour response - Lotus® Notes® Stand-alone Client Optical 3-Button ScrollPoint Pro Mouse USB 31P8700 (ThinkPlus part number 41C9195) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9196) ThinkVision® L201p 20.1" Monitor (black) 9220HB1 ➫ Other ThinkPlus services at DVI-I PCIe Connection Adapter (ADD2) 73P2516 lenovo.com/thinkplus/warranty ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US model announced February 6, 2007 (AR11-5) February 2007 ThinkCentre® M55 Tower (8811) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date ☞ M55 8811-FHU 4x5 Pentium¨ D 925 3.00 2x2MB 1GB 80GB2 Combo GMA Q965 Yes No XP Pro Yes 3-yr Gbl Oct 06 M55 8811-6CU 4x5 Pentium D 945 3.40 2x2MB 1GB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr W Gbl Sep 06 ☞ M55 8811-6HU 4x5 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Oct 06 ☞ M55 8811-6JU 4x5 Pentium D 945 3.40 2x2MB 512MB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Oct 06 M55 8811-95U 4x5 Core™ 2 Duo E6300 1.86 2MB 512MB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8811-96U 4x5 Core 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Gbl Sep 06 M55 8811-D1U 4x5 Core 2 Duo E6400 2.13 2MB 512MB 80GB Combo GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 M55 8811-D2U 4x5 Core 2 Duo E6400 2.13 2MB 512MB 80GB DVD GMA Q965 Yes No XP Pro Yes 3-yr Sep 06 Positioning Stability and manageability for the enterprise Tower ® Processor Intel Pentium D Processor 925 or 945 with dual-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, EIST, and • 7.0" W X 17.7" D X 17.0" H ② 800MHz system bus with 2x2MB L2 cache or • 178mm W X 450mm D X 432mm H diskette Intel Core 2 Duo Desktop Processor E6300 or E6400 • 25.0 to 27.5 lb (11.3 to 12.5 kg) with dual-core, Intel 64 Technology, Virtualization Technology, • Handle on top front Execute Disable Bit, EIST, and 1066MHz system bus with • d Toolless install and removal of disk, i 2MB L2 cache (shared) optical, diskette s Implementation Processor in FC-LGA6 package in LGA775 socket • Toolless install and removal of side cover k Memory - std/max8 512MB or 1GB std / 8GB max / DDR2 only • Toolless install and removal of adapter x2 Memory Four 240-pin DIMM sockets / one socket used / cards PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / unbuffered / dual-channel capable Bay ① 5.25", HH 1.6", access, std optical Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated Bay ② 5.25", HH 1.6", access, open graphics in Q965 / uses main memory (up to 256MB) / 400MHz / Bay ③ 3.5", SL 1", access, opt diskette one 15-pin analog D-sub connector / Bay ④ 3.5", SL 1", no access, std disk supports dual independent display with optional ADD2 adapter Bay ⑤ 3.5", SL 1", no access, opt disk SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Slot 1: full-length, full-height, PCI Express x16 (75w max) SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 Slot 2: full-length, full-height, PCI Express x1 SATA DVD Some: DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) SATA cables Two SATA cables (each 1-drop to device) / fi ve SATA connectors EIDE controller None SECURITY Diskette drive None • Security chip (see information on left) • Chipset One lock to secure both cover and Intel Q965 Express Chipset / entire system to fi xed object: 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, - Padlock loop (in rear for opt padlock) ethernet (MAC), PCI 2.3, USB, LPC interface / ™ - Security slot (in rear for optional SMSC SHC5407 Super I/O for serial, parallel, diskette, Kensington® Microsaver® cable) hardware monitoring (temperature, voltage, fan speed) - No keylock Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Power-on password Rear ports Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), • Administrator password monitor (DB-15) • Hard disk password (user and master) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Boot sequence control Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • Boot without keyboard, mouse, diskette Speaker One internal speaker for business audio • USB, ethernet, SATA, serial, parallel, Ethernet Gigabit ethernet on planar / Broadcom® BCM5755 (PHY/MAC) / PCIe x1 diskette enable or disable Intel AMT None • Diskette write protect Modem None • USB port disablement Security chip Trusted Platform Module / in Broadcom® BCM5755 / TCG 1.2-compliant Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo ThinkCentre desktops implement Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo ThinkVantage® technologies and design Power supply 310 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 5 Preload with Windows XP Professional Accessories ➫ ® ® 3-year parts and labor Microsoft Windows XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ International Warranty Service9 - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ Customer Replaceable Unit (CRU) protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 parts only (with limited onsite service Preloaded (only some listed) 512MB PC2-6400 NP DDR2 UDIMM 41U2976 for selected parts3, 8 am - 5 pm, • Rescue and Recovery™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 Mon - Fri coverage excluding holidays, • Client Security Solution™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 next business day response time) • ThinkVantage Productivity Center USB Portable Diskette Drive 05K9276 ➫ Onsite service upgrade options with Away Manager USB Fingerprint Reader 41U3167 (in eligible locations):7 • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 • 3-year LOR 9x5, 4 hour response • Symantec® Client Security™ USB 2.0 Lenovo Webcam 40Y8519 (ThinkPlus™ part number 41C9192) • USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 24x7, 4 hour response Diskeeper Lite 4 • PC-Doctor™ (diagnostics) DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 (ThinkPlus part number 41C9193) • ® CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 • 4-year LOR 9x5, Next Business Day Adobe Reader ± • Google Toolbar Super Multi-Burner DL DVD RW SATA Drive 41N5620 (ThinkPlus part number 41C9194) • Google Desktop Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 9x5, 4 hour response • Lenovo D221 Wide 22" Monitor (black) 6622HB2 (ThinkPlus part number 41C9195) Picasa from Google ® • Multimedia Center for Think Offerings ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 24x7, 4 hour response (combo, DVD models) ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9196) • Sonic RecordNow and Drive Letter Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ ThinkPlus services at Access (combo, DVD models) Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty • DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance InterVideo WinDVD (combo, DVD) ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 services available License - CD not included ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 14 ® ® 24x7 toll-free support for warranty - Lotus SmartSuite Millennium and 1 ® ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced October 24, 2006; previous models on September 26, 2006 (AR1-5) October 2006 ThinkCentre® M55 Tower (8811) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel Vista Vista Limited Global Avail NameType-model bay Processor GHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55 8811-6SU 4x5 Pentium¨ D 945 3.40 2x2MB 1GB 80GB DVD GMA Q965 Yes No Business Premium 3-yr Feb 07 M55 8811-6TU 4x5 Pentium D 945 3.40 2x2MB 1GB 80GB Combo GMA Q965 Yes No Business Premium 3-yr Feb 07 M55 8811-B5U 4x5 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB DVD GMA Q965 Yes No Business Premium 3-yr Gbl Feb 07

• These models have a 3-year limited warranty1

Positioning Stability and manageability for the enterprise Tower ® Processor Intel Pentium D Processor 925 with dual-core, • Business black color optical Intel 64 Technology, Execute Disable Bit, EIST, and • 7.0" W X 17.7" D X 17.0" H ② 800MHz system bus with 2x2MB L2 cache or • 178mm W X 450mm D X 432mm H diskette Intel Core 2 Duo Desktop Processor E6300 with dual-core, • 25.0 to 27.5 lb (11.3 to 12.5 kg) Intel 64 Technology, Virtualization Technology, Execute Disable Bit, • Handle on top front EIST, and 1066MHz system bus with 2MB L2 cache (shared) • d Toolless install and removal of disk, i Implementation Processor in FC-LGA6 package in LGA775 socket optical, diskette s Memory - std/max8 1GB std / 8GB max / DDR2 only • Toolless install and removal of side cover k Memory Four 240-pin DIMM sockets / two sockets used (512MB in each) / • Toolless install and removal of adapter x2 PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / cards unbuffered / dual-channel capable Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated Bay ① 5.25", HH 1.6", access, std optical graphics in Q965 / uses main memory (up to 256MB) / 400MHz / Bay ② 5.25", HH 1.6", access, open one 15-pin analog D-sub connector / Bay ③ 3.5", SL 1", access, opt diskette supports dual independent display with optional ADD2 adapter Bay ④ 3.5", SL 1", no access, std disk ⑤ SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Bay 3.5", SL 1", no access, opt disk SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 Slot 1: full-length, full-height, PCI Express x16 (75w max) SATA DVD Some: DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) Slot 2: full-length, full-height, PCI Express x1 SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) SATA cables Two SATA cables (each 1-drop to device) / fi ve SATA connectors Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) EIDE controller None Diskette drive None SECURITY • Chipset Security chip (see information on left) Intel Q965 Express Chipset / • One lock to secure both cover and 82801HB I/O Controller Hub 8 (ICH8) for SATA300, PCI Express x1, ™ entire system to fi xed object: ethernet (MAC), PCI 2.3, USB, LPC interface / SMSC SHC5407 Super I/O for - Padlock loop (in rear for opt padlock) serial, parallel, diskette, hardware monitoring (temperature, voltage, fan speed) - Security slot (in rear for optional Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) Kensington® Microsaver® cable) Rear ports Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), - No keylock monitor (DB-15) • Power-on password Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Administrator password Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • Hard disk password (user and master) Speaker One internal speaker for business audio • Boot sequence control Ethernet Gigabit ethernet on planar / Broadcom® BCM5755 (PHY/MAC) / PCIe x1 • Boot without keyboard, mouse, diskette Intel AMT None • USB, ethernet, SATA, serial, parallel, Modem None diskette enable or disable Security chip Trusted Platform Module / in Broadcom® BCM5755 / TCG 1.2-compliant • Diskette write protect • USB port disablement Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 310 watts with variable speed fan / manual switch / 2 diagnostic LEDs ThinkCentre desktops implement ThinkVantage® technologies and design Preloaded operating system20 Accessories - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 LIMITED WARRANTY1 Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ 3-year parts and labor Preloaded applications5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ International Warranty Service9 • Rescue and Recovery™ 512MB PC2-6400 NP DDR2 UDIMM 41U2976 ➫ Customer Replaceable Unit (CRU) • Client Security Solution™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 parts only (with limited onsite service • ThinkVantage Productivity Center 160GB Serial ATA300 Disk (7200 rpm) 09N4254 for selected parts3, 8 am - 5 pm, with Away Manager 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Mon - Fri coverage excluding holidays, • ThinkVantage System Update USB Gemplus GemPC Smart Card Reader 41N3040 next business day response time) • System Migration Assistant USB Fingerprint Reader 41U3167 ➫ Onsite service upgrade options • Norton Internet Security USB 2.0/Analog Headset by Sennheiser 40Y8518 (in eligible locations):7 (90 days of virus defi nitions) USB 2.0 Lenovo Webcam 40Y8519 • 3-year LOR 9x5, 4 hour response • Diskeeper™ Home USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus™ part number 41C9192) • ™ USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 24x7, 4 hour response PC-Doctor (diagnostics) 4 • Adobe® Reader DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 (ThinkPlus part number 41C9193) • Picasa from Google CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 • 4-year LOR 9x5, Next Business Day Super Multi-Burner DL DVD±RW SATA Drive 41N5620 (ThinkPlus part number 41C9194) License - CD not included Lenovo L192 Wide 19" Monitor (black) 6920AB1 ® ® • 4-year LOR 9x5, 4 hour response - Lotus Notes Stand-alone Client Lenovo D221 Wide 22" Monitor (black) 6622HB2 (ThinkPlus part number 41C9195) ® ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 24x7, 4 hour response ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9196) Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ ThinkPlus services at Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 services available ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US models announced February 6, 2007 (AR11-6) February 2007 ThinkCentre® M55p Small (8808) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date M55p 8808-9HU 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB2 DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Sep 06 M55p 8808-9JU 2x3 Core 2 Duo E6300 1.86 2MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 ☞ M55p 8808-9WU 2x3 Core 2 Duo E6300 1.86 2MB 1GB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Dec 06 M55p 8808-D7U 2x3 Core 2 Duo E6400 2.13 2MB 512MB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8808-D8U 2x3 Core 2 Duo E6400 2.13 2MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8808-E2U 2x3 Core 2 Duo E6600 2.40 4MB 512MB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8808-E3U 2x3 Core 2 Duo E6600 2.40 4MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8808-EFU 2x3 Core 2 Duo E6600 2.40 4MB 1GB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Oct 06 • Intel vPro™ technology-based platform with Intel Active Management Technology • These models have a 3-year limited warranty1

Positioning Stability and manageability for the enterprise Small diskette Processor Intel® Core 2 Duo Desktop Processor E6300, E6400, or E6600 Optical with dual-core, Intel 64 Technology, Virtualization Technology, disk Execute Disable Bit, EIST, and 1066MHz system bus with 2MB or 4MB L2 cache (shared) Bay ① 3.5", slim .5", access, opt diskette Implementation Processor in FC-LGA6 package in LGA775 socket Bay ② 5.25", HH 1.6", access, std optical ③ Memory - std/max8 512MB or 1GB std / 4GB max / DDR2 only Bay 3.5", SL 1", no access, std disk Memory Two 240-pin DIMM sockets / one socket used / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / Slot 2: half-length (175mm), full-height, PCI Express x1 unbuffered / dual-channel capable (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated • Business black color; metal case graphics in Q965 / uses main memory (up to 256MB) / 400MHz / • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) one 15-pin analog D-sub connector / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) supports dual independent display with optional ADD2 adapter • 18.7 to 20.0 lb (8.5 to 9.1 kg) • SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Bays 1 and 2/3 fl ip up (latched and pivoting) • Toolless cover fl ips up and tilts backward on rear hinges SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 • SATA DVD Some: DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) Toolless disk, diskette drive, optical drive removal • Two slots on riser card (PCI and PCI Express x1) SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) • SATA cables Two SATA cables (each 1-drop to device) / 2 SATA connectors Toolless PCI slots and riser card retention • Toolless systemboard retention EIDE controller None • Diskette drive None Steel chassis supports 100 lb (45kg) monitor on top • No system fl oor stand for vertical orientation ships std Chipset Intel Q965 Express Chipset / 82801HDO I/O Controller Hub 8 Digital Offi ce (ICH8DO) for SECURITY SATA300, PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / • Security chip (see information on left) SMSC™ SHC5407 Super I/O for serial, parallel, diskette, • Security slot (in rear for attachment of hardware monitoring (temperature, voltage, fan speed) optional Kensington Microsaver cable) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) - optional cable also locks the cover by Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), deactivating the cover release buttons monitor (DB-15) • Power-on password Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) • Administrator password Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software • Hard disk password (user and master) Speaker One internal speaker for business audio • Boot sequence control Ethernet Gigabit ethernet on planar / Intel 82566DM (PHY layer; MAC in ICH8DO) / • Boot without keyboard, mouse, diskette PCIe x1 / Intel AMT / ASF 2.0 / Wake on LAN® / PXE 2.0 • USB, ethernet, SATA, serial, parallel, Intel AMT Intel Active Management Technology (IAMT) diskette enable or disable Modem None • Diskette write protect Security chip Trusted Platform Module / in Atmel® AT97SC3203 chip / TCG 1.2-compliant • USB port disablement Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs Supports ThinkVantage® technologies Preload with Windows XP Professional5 Accessories LIMITED WARRANTY1 ® ® Microsoft Windows XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ 3-year parts and labor - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ International Warranty Service9 protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ Customer Replaceable Unit (CRU) Preloaded (only some listed) 512MB PC2-6400 NP DDR2 UDIMM 41U2976 parts only (with limited onsite service • Rescue and Recovery™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 for selected parts3, 8 am - 5 pm, • Client Security Solution™ 160GB Serial ATA300 Disk (7200 rpm) 09N4254 Mon - Fri coverage excluding holidays, • ThinkVantage Productivity Center 250GB Serial ATA300 Disk (7200 rpm) 41N3015 next business day response time) with Away Manager USB Portable Diskette Drive 05K9276 ➫ Onsite service upgrade options • ThinkVantage System Update USB Fingerprint Reader 41U3167 (in eligible locations):7 • Symantec® Client Security™ USB 2.0/Analog Headset by Sennheiser 40Y8518 • 3-year LOR 9x5, 4 hour response • Diskeeper Lite USB 2.0 Lenovo Webcam 40Y8519 (ThinkPlus™ part number 41C9192) • PC-Doctor™ (diagnostics) USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 24x7, 4 hour response • USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9193) Google Toolbar 4 • Google Desktop DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 4-year LOR 9x5, Next Business Day • CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9194) Picasa from Google ± • Multimedia Center for Think Offerings Super Multi-Burner DL DVD RW SATA Drive 41N5620 • 4-year LOR 24x7, 4 hour response (combo, DVD models) Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9196) • Sonic RecordNow and Drive Letter Lenovo L192 Wide 19" Monitor (black) 6920AB1 ➫ Other ThinkPlus services at Lenovo D221 Wide 22" Monitor (black) 6622HB1 Access (combo, DVD models) ® lenovo.com/thinkplus/warranty • InterVideo WinDVD (combo, DVD) ThinkVision L171p 17" Monitor (black) 9417HC2 ➫ Post warranty maintenance ThinkVision L192p 19" Monitor (black) 9419HC2 services available License - CD not included ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ 14 ® ® 24x7 toll-free support for warranty - Lotus SmartSuite Millennium and 1 ® DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US model announced November 21, 2006; previous models on September 26 and October 24, 2006 (AR1-3) November 2006 ThinkCentre® M55p Small (8808) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel Vista Vista Limited Global Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55p 8808-HBU 2x3 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB2 DVD GMA Q965 Yes IAMT Business Premium 3-yr Gbl Feb 07

• Intel vPro™ technology-based platform with Intel Active Management Technology • This model has a 3-year limited warranty1

Positioning Stability and manageability for the enterprise Small diskette Processor Intel® Core 2 Duo Desktop Processor E6300 with dual-core, Optical Intel 64 Technology, Virtualization Technology, Execute Disable Bit, disk EIST, and 1066MHz system bus with 2MB L2 cache (shared) Implementation Processor in FC-LGA6 package in LGA775 socket Bay ① 3.5", slim .5", access, opt diskette Memory - std/max8 Bay ② 5.25", HH 1.6", access, std optical 1GB std / 4GB max / DDR2 only ③ Memory Two 240-pin DIMM sockets / two sockets used (512MB in each) / Bay 3.5", SL 1", no access, std disk PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) unbuffered / dual-channel capable Slot 2: half-length (175mm), full-height, PCI Express x1 Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) graphics in Q965 / uses main memory (up to 256MB) / 400MHz / • Business black color; metal case one 15-pin analog D-sub connector / • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) supports dual independent display with optional ADD2 adapter • 310mm W X 358mm D X 85mm H (87.5mm H with feet) • 18.7 to 20.0 lb (8.5 to 9.1 kg) SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts • SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 Bays 1 and 2/3 fl ip up (latched and pivoting) 4 • Toolless cover fl ips up and tilts backward on rear hinges SATA DVD DVD-ROM DL SATA150 16-48X Max Drive (41N5618) • SATA cables Two SATA cables (each 1-drop to device) / 2 SATA connectors Toolless disk, diskette drive, optical drive removal • Two slots on riser card (PCI and PCI Express x1) EIDE controller None • Diskette drive None Toolless PCI slots and riser card retention • Toolless systemboard retention Chipset Intel Q965 Express Chipset / • Steel chassis supports 100 lb (45kg) monitor on top 82801HDO I/O Controller Hub 8 Digital Offi ce (ICH8DO) for • No system fl oor stand for vertical orientation ships std SATA300, PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, diskette, SECURITY hardware monitoring (temperature, voltage, fan speed) • Security chip (see information on left) Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) • Security slot (in rear for attachment of Rear ports Six USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), optional Kensington Microsaver cable) monitor (DB-15) - optional cable also locks the cover by Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) deactivating the cover release buttons Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software • Power-on password Speaker One internal speaker for business audio • Administrator password Ethernet Gigabit ethernet on planar / Intel 82566DM (PHY layer; MAC in ICH8DO) / • Hard disk password (user and master) PCIe x1 / Intel AMT / ASF 2.0 / Wake on LAN® / PXE 2.0 • Boot sequence control Intel AMT Intel Active Management Technology (IAMT) • Boot without keyboard, mouse, diskette Modem None • USB, ethernet, SATA, serial, parallel, Security chip Trusted Platform Module / in Atmel® AT97SC3203 chip / TCG 1.2-compliant diskette enable or disable • Diskette write protect Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo • USB port disablement Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs Supports ThinkVantage® technologies Preloaded operating system20 Accessories - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 LIMITED WARRANTY1 Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ 3-year parts and labor 9 5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ International Warranty Service Preloaded applications ➫ • Rescue and Recovery™ 512MB PC2-6400 NP DDR2 UDIMM 41U2976 Customer Replaceable Unit (CRU) • ™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 parts only (with limited onsite service Client Security Solution 3 • ThinkVantage Productivity Center 160GB Serial ATA300 Disk (7200 rpm) 09N4254 for selected parts , 8 am - 5 pm, with Away Manager 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Mon - Fri coverage excluding holidays, • ThinkVantage System Update USB Portable Diskette Drive 05K9276 next business day response time) • USB Fingerprint Reader 41U3167 ➫ Onsite service upgrade options System Migration Assistant 7 • Norton Internet Security USB 2.0/Analog Headset by Sennheiser 40Y8518 (in eligible locations): USB 2.0 Lenovo Webcam 40Y8519 • 3-year LOR 9x5, 4 hour response (90 days of virus defi nitions) ™ • Diskeeper™ Home USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9192) • PC-Doctor™ (diagnostics) USB 2.0 Essential Memory Key 1GB 41U4940 • 3-year LOR 24x7, 4 hour response ® USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus part number 41C9193) • Adobe Reader 4 • Picasa from Google DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 4-year LOR 9x5, Next Business Day CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9194) License - CD not included Super Multi-Burner DL DVD±RW SATA Drive 41N5620 ® ® • 4-year LOR 9x5, 4 hour response - Lotus Notes Stand-alone Client Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9195) Preferred Pro USB Fingerprint Keyboard 73P4730 • 4-year LOR 24x7, 4 hour response Lenovo Laser Mouse (USB, PS/2) 41U3074 (ThinkPlus part number 41C9196) Lenovo L192 Wide 19" Monitor (black) 6920AB1 ➫ ThinkPlus services at Lenovo D221 Wide 22" Monitor (black) 6622HB1 lenovo.com/thinkplus/warranty ThinkVision® L171p 17" Monitor (black) 9417HC2 ➫ Post warranty maintenance ThinkVision L192p 19" Monitor (black) 9419HC2 services available ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US model announced February 6, 2007 (AR11-1) February 2007 ThinkCentre® M55p Tower (8811) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel PreloadVista™ Limited WorkhorseAvail NameType-modelbay Processor GHz cache Memory8 disk optical Graphics Chipset chip AMT capable warranty1 Gbl, Educ date M55p 8811-9SU 4x5 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB2 DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Sep 06 M55p 8811-9TU 4x5 Core 2 Duo E6300 1.86 2MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 ☞ M55p 8811-FJU 4x5 Core 2 Duo E6300 1.86 2MB 1GB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Dec 06 M55p 8811-D6U 4x5 Core 2 Duo E6400 2.13 2MB 512MB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8811-D7U 4x5 Core 2 Duo E6400 2.13 2MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8811-DEU 4x5 Core 2 Duo E6400 2.13 2MB 1GB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Oct 06 M55p 8811-E3U 4x5 Core 2 Duo E6600 2.40 4MB 512MB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8811-E4U 4x5 Core 2 Duo E6600 2.40 4MB 512MB 80GB Combo GMA Q965 Yes IAMT XP Pro Yes 3-yr Sep 06 M55p 8811-ECU 4x5 Core 2 Duo E6600 2.40 4MB 1GB 80GB DVD GMA Q965 Yes IAMT XP Pro Yes 3-yr Gbl Oct 06 • Intel vPro™ technology-based platform with Intel Active Management Technology • These models have a 3-year limited warranty 1 Positioning Stability and manageability for the enterprise Tower ® Processor Intel Core 2 Duo Desktop Processor E6300, E6400, or E6600 • Business black color optical with dual-core, Intel 64 Technology, Virtualization Technology, • 7.0" W X 17.7" D X 17.0" H ② Execute Disable Bit, EIST, and 1066MHz system bus with • 178mm W X 450mm D X 432mm H diskette 2MB or 4MB L2 cache (shared) • 25.0 to 27.5 lb (11.3 to 12.5 kg) Implementation Processor in FC-LGA6 package in LGA775 socket • Handle on top front 8 • d Memory - std/max 512MB or 1GB std / 8GB max / DDR2 only Toolless install and removal of disk, i Memory Four 240-pin DIMM sockets / one socket used / optical, diskette s PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / • Toolless install and removal of side cover k unbuffered / dual-channel capable • Toolless install and removal of adapter x2 cards Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated graphics in Q965 / uses main memory (up to 256MB) / 400MHz / one 15-pin analog D-sub connector / Bay ① 5.25", HH 1.6", access, std optical supports dual independent display with optional ADD2 adapter Bay ② 5.25", HH 1.6", access, open ③ SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts Bay 3.5", SL 1", access, opt diskette Bay ④ 3.5", SL 1", no access, std disk SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 ⑤ SATA DVD Some: DVD-ROM DL SATA150 16-48X Max4 Drive (41N5618) Bay 3.5", SL 1", no access, opt disk SATA Combo Some: CD-RW/DVD-ROM Combo SATA150 Drive (41N5619) Slot 1: full-length, full-height, PCI Express x16 (75w max) SATA cables Two SATA cables (each 1-drop to device) / fi ve SATA connectors Slot 2: full-length, full-height, PCI Express x1 EIDE controller None Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) Diskette drive None Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) Chipset Intel Q965 Express Chipset / 82801HDO I/O Controller Hub 8 Digital Offi ce (ICH8DO) for SATA300, SECURITY PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / • Security chip (see information on left) SMSC™ SHC5407 Super I/O for serial, parallel, diskette, • One lock to secure both cover and hardware monitoring (temperature, voltage, fan speed) entire system to fi xed object:

Front ports - Padlock loop (in rear for opt padlock) Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) - Security slot (in rear for optional Rear ports ® ® Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), Kensington Microsaver cable) monitor (DB-15) - No keylock Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) ® • Power-on password Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX software • Speaker Administrator password One internal speaker for business audio • Hard disk password (user and master) Ethernet Gigabit ethernet on planar / Intel 82566DM (PHY layer; MAC in ICH8DO) / ® • Boot sequence control PCIe x1 / Intel AMT / ASF 2.0 / Wake on LAN / PXE 2.0 • Boot without keyboard, mouse, diskette Intel AMT Intel Active Management Technology (IAMT) • Modem USB, ethernet, SATA, serial, parallel, None diskette enable or disable Security chip ¨ Trusted Platform Module / in Atmel AT97SC3203 chip / TCG 1.2-compliant • Diskette write protect Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo • USB port disablement Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo Power supply 310 watts with variable speed fan / manual switch / 2 diagnostic LEDs Supports ThinkVantage® technologies Preload with Windows XP Professional5 Accessories Microsoft® Windows® XP Professional 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 LIMITED WARRANTY1 - Disk-to-Disk Recovery (in hidden 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ 3-year parts and labor protected area) 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ International Warranty Service9 Preloaded 512MB PC2-6400 NP DDR2 UDIMM 41U2976 ➫ Customer Replaceable Unit (CRU) • Rescue and Recovery™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 parts only (with limited onsite service • Client Security Solution™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 for selected parts3, 8 am - 5 pm, • ThinkVantage Productivity Center USB Gemplus GemPC Smart Card Reader 41N3040 Mon - Fri coverage excluding holidays, with Away Manager USB Fingerprint Reader 41U3167 next business day response time) • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 ➫ Onsite service upgrade options • Symantec® Client Security™ USB 2.0 Lenovo Webcam 40Y8519 (in eligible locations):7 • Diskeeper Lite USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response • ™ USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus™ part number 41C9192) PC-Doctor (diagnostics) 4 • Google Toolbar DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 3-year LOR 24x7, 4 hour response • CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9193) Google Desktop ± • Picasa from Google Super Multi-Burner DL DVD RW SATA Drive 41N5620 • 4-year LOR 9x5, Next Business Day • Lenovo L192 Wide 19" Monitor (black) 6920AB1 Multimedia Center for Think Offerings ® (ThinkPlus part number 41C9194) (combo, DVD models) ThinkVision L192p 19" Monitor (black) 9419HC2 • 4-year LOR 24x7, 4 hour response • Sonic RecordNow and Drive Letter ThinkVision L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9196) Access (combo, DVD models) Lenovo C500 Projector 0039A05 ➫ Other ThinkPlus services at • DVI-I PCIe Connection Adapter (ADD2) 73P2516 InterVideo WinDVD (combo, DVD) ® ® lenovo.com/thinkplus/warranty ATI RADEON X300 SE 128MB Dual Head 41U4813 ➫ Post warranty maintenance License - CD not included ® ® ATI X1300 256MB Dual Head/TV-out 41U5028 services available - Lotus SmartSuite Millennium and 14 ® ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ➫ 24x7 toll-free support for warranty Lotus Notes Stand-alone Client Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo ☞ US model announced November 21, 2006; previous models on September 26 and October 24, 2006 (AR1-6) November 2006 ThinkCentre® M55p Tower (8811) - February 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 SATA SATA Security Intel Vista Vista Limited Global Avail Name Type-modelbay ProcessorGHz cache Memory8 disk optical Graphics Chipset chip AMT preload logo warranty1 Educ date M55p 8811-FMU 4x5 Core™ 2 Duo E6300 1.86 2MB 1GB 80GB2 DVD GMA Q965 Yes IAMT Business Premium 3-yr Global Feb 07

• Intel vPro™ technology-based platform with Intel Active Management Technology • This model has a 3-year limited warranty 1

Positioning Stability and manageability for the enterprise Tower ® Processor Intel Core 2 Duo Desktop Processor E6300 with dual-core, • Business black color optical Intel 64 Technology, Virtualization Technology, Execute Disable Bit, • 7.0" W X 17.7" D X 17.0" H ② EIST, and 1066MHz system bus with 2MB L2 cache (shared) • 178mm W X 450mm D X 432mm H diskette Implementation Processor in FC-LGA6 package in LGA775 socket • 25.0 to 27.5 lb (11.3 to 12.5 kg) Memory - std/max8 1GB std / 8GB max / DDR2 only • Handle on top front • d Memory Four 240-pin DIMM sockets / two sockets used (512MB in each) / Toolless install and removal of disk, i PC2-5300 667MHz DDR2 / non-parity / CAS latency 5 (CL5) / optical, diskette s unbuffered / dual-channel capable • Toolless install and removal of side cover k • Toolless install and removal of adapter x2 Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / integrated cards graphics in Q965 / uses main memory (up to 256MB) / 400MHz / one 15-pin analog D-sub connector / supports dual independent display with optional ADD2 adapter Bay ① 5.25", HH 1.6", access, std optical Bay ② 5.25", HH 1.6", access, open SATA disk 80GB / SATA300 7200 rpm / rubber vibration dampening mounts ③ SATA controller Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 Bay 3.5", SL 1", access, opt diskette 4 Bay ④ 3.5", SL 1", no access, std disk SATA DVD DVD-ROM DL SATA150 16-48X Max Drive (41N5618) ⑤ SATA cables Two SATA cables (each 1-drop to device) / fi ve SATA connectors Bay 3.5", SL 1", no access, opt disk EIDE controller None Slot 1: full-length, full-height, PCI Express x16 (75w max) Diskette drive None Slot 2: full-length, full-height, PCI Express x1 Slot 3: full-length, full-height, 32-bit PCI 2.3 (5v) Chipset Intel Q965 Express Chipset / Slot 4: full-length, full-height, 32-bit PCI 2.3 (5v) 82801HDO I/O Controller Hub 8 Digital Offi ce (ICH8DO) for SATA300, PCI Express x1, ethernet (MAC), PCI 2.3, USB, LPC interface / SMSC™ SHC5407 Super I/O for serial, parallel, diskette, SECURITY hardware monitoring (temperature, voltage, fan speed) • Security chip (see information on left) • Front ports Two USB (Version 2.0), microphone (stereo, 3.5mm), headphone (stereo, 3.5mm) One lock to secure both cover and entire system to fi xed object: Rear ports Eight USB (Version 2.0), serial (9-pin), parallel (25-pin), ethernet (RJ-45), monitor (DB-15) - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) ® ® Audio High Defi nition (HD) Audio / AD1983HD codec / SoundMAX® software Kensington Microsaver cable) - No keylock Speaker One internal speaker for business audio • Ethernet Gigabit ethernet on planar / Intel 82566DM (PHY layer; MAC in ICH8DO) / Power-on password ® • Administrator password PCIe x1 / Intel AMT / ASF 2.0 / Wake on LAN / PXE 2.0 • Intel AMT Intel Active Management Technology (IAMT) Hard disk password (user and master) • Boot sequence control Modem None • Security chip Trusted Platform Module / in Atmel¨ AT97SC3203 chip / TCG 1.2-compliant Boot without keyboard, mouse, diskette • USB, ethernet, SATA, serial, parallel, Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo diskette enable or disable Mouse Optical Wheel Mouse (USB connector), black, Lenovo logo • Diskette write protect Power supply 310 watts with variable speed fan / manual switch / 2 diagnostic LEDs • USB port disablement

20 Preloaded operating system Accessories ® - Microsoft® Windows® Vista™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 Supports ThinkVantage technologies Business Edition (32-bit) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 LIMITED WARRANTY1 5 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Preloaded applications ➫ • Rescue and Recovery™ 512MB PC2-6400 NP DDR2 UDIMM 41U2976 3-year parts and labor • ™ 1GB PC2-6400 NP DDR2 UDIMM 41U2977 ➫ International Warranty Service9 Client Security Solution ➫ • ThinkVantage Productivity Center 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Customer Replaceable Unit (CRU) USB Portable Diskette Drive 05K9276 parts only (with limited onsite service with Away Manager 3 • ThinkVantage System Update USB Gemplus GemPC Smart Card Reader 41N3040 for selected parts , 8 am - 5 pm, • System Migration Assistant USB Fingerprint Reader 41U3167 Mon - Fri coverage excluding holidays, • Norton Internet Security 2006 USB 2.0/Analog Headset by Sennheiser 40Y8518 next business day response time) USB 2.0 Lenovo Webcam 40Y8519 ➫ Onsite service upgrade options (90 days of virus defi nitions) 7 • Diskeeper™ Home USB 2.0 Essential Memory Key 1GB 41U4940 (in eligible locations): • PC-Doctor™ (diagnostics) USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response • ® USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus™ part number 41C9192) Adobe Reader 4 • Picasa from Google DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 • 3-year LOR 24x7, 4 hour response CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 (ThinkPlus part number 41C9193) License - CD not included Super Multi-Burner DL DVD±RW SATA Drive 41N5620 • ® ® 4-year LOR 9x5, Next Business Day - Lotus Notes Stand-alone Client Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9194) Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 24x7, 4 hour response ThinkVision® L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9196) ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ Other ThinkPlus services at Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ Post warranty maintenance ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 services available ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378)

See footnotes for important warranty information © Lenovo US model announced February 6, 2007 (AR11-3) February 2007 ® Created by Lenovo Training Solutions ThinkCentre M55e, M55, M55p Accessories Personal Systems Reference (PSREF)

Partial list of accessories supported on ThinkCentre M55e, M55, and M55p Memory Keyboard 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ann 04/19/05 Preferred Pro USB Keyboard 73P5220 ann 06/21/05 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ann 04/19/05 Enhanced Performance USB Keyboard 73P2620 ann 03/23/04 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ann 04/19/05 Enh Perf Wireless Keyboard and Mouse 73P4067 ann 12/07/04 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ann 04/19/05 Preferred Pro USB Fingerprint Keyboard 73P4730 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ann 06/28/05 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ann 06/28/05 Mouse 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ann 09/26/06 USB Optical Wheel Mouse 06P4069 Optical 3-Button ScrollPoint® Mouse USB 31P7405 Only supported with Q965 chipset (not 946GZ or Q963 chipsets): Optical 3-Button ScrollPoint Pro Mouse USB 31P8700 512MB PC2-6400 NP DDR2 UDIMM 41U2976 ann 09/26/06 Lenovo Laser Mouse (USB, PS/2) 41U3074 ann 01/23/07 1GB PC2-6400 NP DDR2 UDIMM 41U2977 ann 09/26/06 Multimedia Optical USB 2.0/Analog Headset by Sennheiser 40Y8518 ann 06/27/06 M55 Ultra Small 8807 supports Ultrabay Enhanced EIDE optical drives: USB 2.0 Lenovo Webcam 40Y8519 ann 08/29/06 CD-RW/DVD Combo Ultrabay Enhanced (cur) 73P3275 ann 10/07/03 Super Multi-Burner Ultrabay Enh Drv (curved) 40Y8624 ann 05/02/06 Data/Video Projectors Lenovo M500 Projector 0037A05 ann 02/28/06 M55e Small 9645, M55/M55p Small 8808, M55 Desktop 8810, and Lenovo C500 Projector 0039A05 ann 07/11/06 M55/M55p Tower 8811 support Serial ATA optical drives: DVD-ROM DL SATA150 16X-48X Max4 Drive 41N5618 ann 09/26/06 Security CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 ann 09/26/06 USB Gemplus GemPC Smart Card Reader 41N3040 ann 02/21/06 Super Multi-Burner DL DVD±RW SATA Drive 41N5620 ann 09/26/06 Kensington® MicroSaver® Desktop Lock 06P3839 USB Fingerprint Reader 41U3167 ann 10/24/06 M55e Desktop 9632 and M55e Tower 9637 support EIDE optical drives: Monitors 48X-20X IDE CD-ROM (black) 10K3782 Lenovo E75 17" CRT Monitor (16.0" vis) blk 6307BTN ann 01/16/07 16X Max4 DVD-ROM (black) 22P6950 Lenovo L151 15" Monitor (black) 9165AB6 ann 02/28/06 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Lenovo L171 17" Monitor (black) 9227AC1 ann 11/07/06 Combo drive (black) 73P3300 ann 04/06/04 Lenovo L191 19" Monitor (black) 6135AB1 ann 06/27/06 Super Multi-Burner DL DVD±RW Drive 41N5581 ann 05/30/06 Lenovo L192 Wide 19" Monitor (black) 6920AB1 ann 09/19/06 Lenovo D221 Wide 22" Monitor (black) 6622HB1 ann 11/21/06 Storage and removable storage ThinkVision® L171p 17" Monitor (black) 9417HC2 ann 10/31/06 40GB Serial ATA150 Disk (7200 rpm) 22P7185 ThinkVision L192p 19" Monitor (black) 9419HC2 ann 10/31/06 80GB Serial ATA300 Disk (7200 rpm) 09N4253 ThinkVision L201p 20.1" Monitor (black) 9220HB1 ann 10/31/06 160GB Serial ATA300 Disk (7200 rpm) 09N4254 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ann 01/24/06 Monitor Accessories46 ThinkVision Sound Bar 40Y7616 ann 08/23/05 USB Portable Diskette Drive 05K9276 ann 06/05/00 Kensington® MicroSaver® Security USB 2.0 Memory Key 256MB 40Y8594 ann 03/21/06 Cable Lock 73P2582 USB 2.0 Memory Key 512MB 40Y8596 ann 03/21/06 Radial Arm 19K4464 ann 05/05/00 USB 2.0 Memory Key 1GB 40Y7421 ann 12/13/05 46 Compatible on selected Lenovo and ThinkVision monitors. USB 2.0 Essential Memory Key 1GB 41U4940 ann 01/23/07 USB 2.0 Essential Memory Key 2GB 41U4944 ann 01/23/07 USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 USB 2.0 Portable 80GB Hard Disk 41N8378 ann 04/17/07 USB 2.0 Portable 120GB Hard Disk 41N8379 ann 04/17/07 USB 2.0 Super Multi-Burner Drive 41N5565 ann 01/23/07 Graphics M55e Small 9645, M55/M55p Small 8808: DVI-I PCIe Connection Adapter (ADD2) 73P2516 ann 06/28/05 M55e Desktop 9632 supports Low Profi le 25 watts max: DVI-I PCIe Connection Adapter (ADD2)40 73P2516 ann 06/28/05 ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 40 No dual independent display with Intel 946GZ M55 Desktop 8810 supports Low Profi le 25 watts max: DVI-I PCIe Connection Adapter (ADD2) 73P2516 ann 06/28/05 ATI RADEON X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 M55e Tower 9637 supports 75 watts max: DVI-I PCIe Connection Adapter (ADD2)40 73P2516 ann 06/28/05 ATI RADEON X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ann 09/26/06 40 No dual independent display with Intel 946GZ M55/M55p Tower 8811 supports 75 watts max: DVI-I PCIe Connection Adapter (ADD2) 73P2516 ann 06/28/05 Other accessories at lenovo.com/accessories ATI RADEON X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 Need to buy accessories no longer marketed by Lenovo? See ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ann 09/26/06 www.itxchange.com/lenovo for the Options Continuation Program.

© Lenovo (O-M55) April 2007 ThinkCentre® A51 Ultra Small (8105) - TopSeller Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Name Slot x L2 Bus Hyper- Diskette SATA EIDE Graphics PCI Cover Key- Workhorse Gbl Avail Type-modelbay Processor GHz cache MHz Thread Memory8 drive disk optical in GMCH modemswitch board Preload Education date ✂ A51 8105-A1U 1x2 Celeron® 326 2.53 256K 533 256MB None 80GB2 CD GMA 900 Modem Yes EP XP Home No May 05 A51 8105-A3U 1x2 Celeron 331 2.66 256K 533 256MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 A51 8105-B2U 1x2 Celeron 336 2.80 256K 533 256MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 ☞ A51 8105-91U 1x2 Celeron 336 2.80 256K 533 512MB None 80GB CD GMA 900 No No Pref XP Pro No July 06 A51 8105-2BU 1x2 Pentium® 4 521 2.80 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No Jun 06 ☞ A51 8105-2HU 1x2 Pentium 4 524 3.06 1MB 533 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No July 06 ☞ A51 8105-2JU 1x2 Pentium 4 524 3.06 1MB 533 HT 512MB None 80GB Combo GMA 900 No No Pref XP Pro No July 06 A51 8105-24U 1x2 Pentium 4 534 3.00 1MB 800 HT 256MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 A51 8105-26U 1x2 Pentium 4 531 3.00 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Finger XP Pro No May 05 ☞ A51 8105-2MU 1x2 Pentium 4 531 3.00 1MB 800 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No July 06 ✂ A51 8105-33U 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 40GB CD GMA 900 No No Pref XP Pro No May 05 ✂ A51 8105-35U 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB Combo GMA 900 No No Finger XP Pro No May 05 ☞ A51 8105-3HU 1x2 Pentium 4 541 3.20 1MB 800 HT 512MB None 80GB CD GMA 900 No No Pref XP Pro No July 06 These small and medium business (SMB) models are part of the US TopSeller ™ Program

Positioning Smallest ThinkCentre desktop without compromise Ultra Small Processor Intel® Celeron D Processor 326, 331, 336 with 533MHz bus or disk optical Intel Pentium 4 Processor 521, 524, 531, or 541 with 533MHz or 800MHz system bus Proc features All: Extended Memory 64 Technology, Execute Disable Bit Hyper-Threading Some: Hyper-Threading (HT) technology Bay ① 3.5", SL 1", access, std disk (desktop) L2 cache 256KB or 1MB std and max / ECC / full speed Bay ② 5.25", *slim .5", access, std optical (notebook) Socket Processor and L2 cache in FC-LGA4 in LGA775 socket * Optical bay is Ultrabay™ Enhanced 12.5mm high ® Memory - std/max8 256 or 512MB std / 4GB max (supports select ThinkPad -based Ultrabay Enhanced Memory Two 240-pin gold plated DIMM sockets / one socket used / [12.5mm high] and Ultrabay Slim [9.5mm high] devices) PC2-4200 533MHz DDR2 / non-parity / Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) CAS latency 4 (CL4) / unbuffered / dual-channel capable • Up to 75% less space than desktop chassis Graphics Intel Graphics Media Accelerator 900 (GMA 900) / integrated • Business black color; metal case graphics in 915GV GMCH / uses main memory (up to 128MB • 10.8" W X 10.8"D X 3.4"H with 256MB+) / 333MHz / one 15-pin analog D-sub connector • 275mm W X 275mm D X 87.5mm H SATA disk 40 or 80GB / SATA150 7200 rpm / vibration dampening mounts • 13.2 to 14.0 lb (6.0 to 6.4 kg) SATA controller Serial ATA / 150 MB/sec SATA150 / integrated in ICH6 • Toolless cover fl ips up and tilts backward on rear hinges SATA cables One SATA cable (one 1-drop to disk) / one SATA connector • Toolless disk and optical drive removal EIDE CD Some: 24X-10X4 CD-ROM / Ultrabay Enhanced (12.5mm high) • Bays 1 and 2 fl ip up (latched and pivoting) EIDE Combo Some: 24X/24X/24X/8X Max11 CD-RW/DVD-ROM Combo / • Toolless PCI slot and riser card retention Ultrabay Enhanced (12.5mm high) • Steel chassis supports 100 lb (45kg) monitor on top EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH6) EIDE cables One cable (one 1-drop Ultrabay Enhanced cable to optical) / SYSTEMS MANAGEMENT one EIDE connector (Ultrabay Enhanced) on systemboard • PC 2001-compliant Diskette drive None / use optional external USB-based 3.5" 1.44MB diskette drive • ACPI 2.0b-compliant Chipset Intel 915GV Express Chipset / 82915GV Graphics Memory Controller Hub • SMBIOS 2.3.1-compliant (GMCH) / 82801FB I/O Controller Hub (ICH6) for SATA150, ATA-100 EIDE, • DMI 2.0-compliant PCI Express x1, PCI 2.3 bus, USB, Low Pin Count interface / • Asset ID19 (system specifi c info in chip) National Semiconductor® PC8375T Super I/O for security chip (TPM), Asset ID, serial, parallel, diskette, keybrd, mouse, auto-thermal controls, hardware event log SECURITY Ports Front: two USB (Version 2.0), microphone in (mono), headphone out (mono) • Security chip (see information on left) Back: four USB (Version 2.0), one serial (9-pin), parallel (25-pin), • Security slot (in rear for attachment of keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) optional Kensington Microsaver cable) Audio connectors Back: line-in (mono), line-out (mono) [all 3.5mm] - optional cable also locks the cover by Audio Integrated digital audio / SoundMAX® Cadenza / AC ’97 / ADI1981B codec deactivating the cover release buttons Speaker One internal speaker for business audio • Power-on password Ethernet 10/100/1000 gigabit ethernet on planar / Broadcom® NetXtreme™ Gigabit Network • Administrator password Connection / BCM5705 controller / PHY and MAC layer / 32-bit PCI 2.3 / • Boot sequence control full duplex / Wake on LAN® / ACPI 1.1 / PXE 2.0 and RPL remote boot • Boot without keyboard or mouse Modem Some: 56K10 V.90 data/fax soft modem / Conexant® chipset / PCI adapter • USB, ethernet, SATA, EIDE, serial, Security chip Embedded Security Subsystem 2.018 / in NS PC8375T chip / TCG-compliant parallel enable or disable • Keyboard [EP] Enhanced Performance USB Keyboard, 2-port USB 2.0 hub, black Disk, removable, and network device (one of following) [Finger] Preferred Pro USB Fingerprint Keyboard (USB connector), black boot password • Some: cover intrusion switch [Pref] 104-key Preferred Pro Full-size keyboard (6-pin PS/2 connector), black • Mouse Optical Wheel Mouse (USB only), optical, 400 dpi, black Some: fi ngerprint reader keyboard

Cooling fans Four variable speed fans (front, back, fansink, power supply) 1 Power supply 200 watts with variable speed fan / universal / autosensing / two diagnostic LEDs LIMITED WARRANTY ➫ 1-year parts and labor Preload with Windows XP Home5 Accessories ➫ Customer Replaceable Unit (CRU) Microsoft® Windows® XP Home Edition 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 parts only (with limited onsite service 3 Preload with Windows XP Professional5 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 for selected parts , 8 am - 5 pm, 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 Mon - Fri coverage excluding holidays, Microsoft Windows XP Professional 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 next business day response time) Preloaded (all) CD-RW/DVD Combo Ultrabay Enhanced 73P3275 ➫ Onsite service upgrade options • Access Program Super Multi-Burner Ultrabay Enhanced Drv 40Y8624 (in eligible locations):7 • Rescue and Recovery™ ThinkPad DVD-ROM Ultrabay Slim Drive 73P3270 • 1-year LOR 9x5, 4 hour response • Update Connector™,15 160GB Serial ATA300 Disk (7200 rpm) 09N4254 (ThinkPlus™ part number 41C9189) • Norton AntiVirus (OEM version) USB Portable Diskette Drive 05K9276 • 3-year LOR 9x5, 4 hour response • PC-Doctor™ (diagnostics) USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9191) • Client Security Software Lenovo L192 Wide 19" Monitor (black) 6920AB1 ➫ Other ThinkPlus services at • RecordNow and DLA (combo models) Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty • InterVideo WinDVD (combo models) ThinkCentre Ultra Small Under Desk Mount 40Y8625 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo ☞ US models announced July 25, 2006; previous models on May 17, 2005 or June 6, 2006 (GR2) July 2006 ✂ US models withdrawn effective December 2005 or May 2006 ThinkCentre® A55 Small (9636) - TopSeller Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Media SATA SATA Vista Vista Limited Avail Name Type-modelbay Processor GHz cache Core Memory8 reader disk optical Graphics preload logo warranty1 date A55 9636-E1U 2x3 Celeron® D 336 2.80 256KB Single 1GB None 80GB2 Combo GMA Business Premium 1-yr Feb 07 A55 9636-F1U 2x3 Pentium® 4 631 3.00 2MB Single 1GB None 80GB Combo GMA Business Premium 1-yr Feb 07 A55 9636-G1U 2x3 Pentium 4 641 3.20 2MB Single 1GB None 80GB Combo GMA Business Premium 1-yr Feb 07 A55 9636-H1U 2x3 Pentium D 925 3.00 2x2MB Dual 1GB None 80GB Combo GMA Business Premium 1-yr Feb 07 A55 9636-J1U 2x3 Pentium D 945 3.40 2x2MB Dual 1GB None 80GB Combo GMA Business Premium 1-yr Feb 07 These small and medium business (SMB) models are part of the US TopSeller ™ Program

Positioning Mainstream enterprise stability and manageability Small diskette Processor Intel® Celeron D Processor 336 with single-core, Optical Intel 64 Technology, Execute Disable Bit, 533MHz sytem bus, and disk 256KB L2 cache or Intel Pentium 4 Processor 631 or 641 with single-core, Bay ① 3.5", slim .5", access, opt diskette Intel 64 Technology, Hyper-Threading (HT) technology, Bay ② 5.25", HH 1.6", access, std optical Execute Disable Bit, 800MHz system bus, and 2MB L2 cache or Bay ③ 3.5", SL 1", no access, std disk Intel Pentium D Processor 925 or 945 with dual-core, Intel 64 Technology, Execute Disable Bit, EIST, Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) 800MHz system bus, and 2x2MB L2 cache or Slot 2: half-length (175mm), full-height, PCI Express x1 Implementation Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) • Business black color; metal case Memory - std/max8 1GB std / 4GB max • 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) Memory Two 240-pin DIMM sockets / two sockets used / • 310mm W X 358mm D X 85mm H (87.5mm H with feet) PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / • 18.7 to 20.0 lb (8.5 to 9.1 kg) unbuffered / dual-channel capable • Bays 1 and 2/3 fl ip up (latched and pivoting) Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / • Toolless cover fl ips up and tilts backward on rear hinges integrated graphics in 946GZ / uses main memory (up to 256MB) / • Toolless disk, diskette drive, optical drive removal 400MHz / one 15-pin analog D-sub connector / • Two slots on riser card (PCI and PCI Express x1) supports optional ADD2 adapter but not dual independent display • Toolless PCI slots and riser card retention • Toolless systemboard retention SATA disk 80GB / SATA300 7200 rpm / vibration dampening • Steel chassis supports 100 lb (45kg) monitor on top SATA Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo • System fl oor stand for vertical orientation SATA DVD Some: 16X-48X Max4 DVD-ROM / single-layer SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SATA cables Two SATA cables (each 1-drop to device) / 2 SATA connectors on planar SECURITY Diskette drive None / use optional external USB-based diskette drive • Security slot (in rear for attachment of Media reader None optional Kensington Microsaver cable) Chipset Intel 946GZ Express Chipset / - optional cable also locks the cover by 82946GZ Graphics Memory Controller Hub (GMCH) / deactivating the cover release buttons 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Power-on password PCI 2.3 bus, USB, Low Pin Count interface / SMSC™ SHC5407 Super I/O for • Administrator password serial, parallel, diskette, hardware monitoring (temperature, voltage, fan speed) • Boot sequence control • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Six USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® Modem None ThinkCentre desktops implement Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo logo ® Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo ThinkVantage technologies and design Power supply 225 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY1 20 Preloaded operating system Accessories ➫ 1-year parts and labor - Microsoft® Windows® Vista™ 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ➫ International Warranty Service9 Business Edition (32-bit) 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ Customer Replaceable Unit (CRU) 5 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 parts only (with limited onsite service Preloaded applications 3 • Rescue and Recovery™ 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 for selected parts , 8 am - 5 pm, • ™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Mon - Fri coverage excluding holidays, Client Security Solution 4 • ThinkVantage Productivity Center DVD-ROM DL SATA150 16X-48X Max Drive 41N5618 next business day response time) CD-RW/DVD-ROM Combo SATA150 Drive 41N5619 ➫ Onsite service upgrade options with Away Manager ± 7 • ThinkVantage System Update Super Multi-Burner DL DVD RW SATA Drive 41N5620 (in eligible locations): • USB Portable Diskette Drive 05K9276 • 1-year LOR 9x5, 4 hour response System Migration Assistant ™ • Norton Internet Security USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9189) (90 days of virus defi nitions) USB 2.0 Portable 120GB Hard Disk 41N8379 • 2-year LOR 9x5, 4 hour response • Diskeeper™ Home USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9190) • PC-Doctor™ (diagnostics) USB 2.0/Analog Headset by Sennheiser 40Y8518 • 2-year LOR 9x5, Next Business Day • Adobe® Reader USB 2.0 Essential Memory Key 1GB 41U4940 (ThinkPlus part number 41C9187) • Picasa from Google USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9191) License - CD not included Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 3-year LOR 9x5, Next Business Day ® ® - Lotus Notes Stand-alone Client ThinkVision L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9188) ThinkVision L201p 20.1" Monitor (black) 9220HB1 ➫ ThinkPlus services at Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ Post warranty maintenance Lenovo Laser Mouse (USB, PS/2) 41U3074 services available Lenovo C500 Projector 0039A05 ➫ 24x714 toll-free support for warranty DVI-I PCIe Connection Adapter (ADD2) 73P2516 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN2-2) February 2007 ThinkCentre® A55 Tower (8705) - TopSeller Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Media SATA EIDE Modem Int or ext Vista™ Limited Avail NameType-modelbay ProcessorGHz cache Core Memory8 reader disk optical Graphics adapter speaker Preload capable warranty1 date A55 8705-A4U 4x4 Celeron® D 336 2.80 256KB Single 256MB 80GB2 CD GMA Internal XP Home No 1-yr Sep 06 A55 8705-A5U 4x4 Celeron D 336 2.80 256KB Single 512MB 80GB CD GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-21U 4x4 Pentium® 4 524 3.06 1MB Single 512MB 80GB CD GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-22U 4x4 Pentium 4 524 3.06 1MB Single 512MB 9-in-1 160GB Combo GMA Modem Ext spks XP Home Yes 1-yr Sep 06 A55 8705-23U 4x4 Pentium 4 524 3.06 1MB Single 512MB 80GB Combo GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-24U 4x4 Pentium 4 524 3.06 1MB Single 1GB 160GB DVD±RW GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-31U 4x4 Pentium 4 541 3.20 1MB Single 512MB 80GB CD GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-33U 4x4 Pentium 4 541 3.20 1MB Single 512MB 80GB Combo GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-D4U 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 80GB CD GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-D5U 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 9-in-1 160GB Combo GMA Modem Internal XP Home Yes 1-yr Sep 06 A55 8705-D6U 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 160GB Combo GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-D7U 4x4 Pentium D 820 2.80 2x1MB Dual 1GB 160GB DVD±RW GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-DCU 4x4 Pentium D 820 2.80 2x1MB Dual 512MB 80GB Combo GMA Internal XP Pro Yes 1-yr Sep 06 ☞ A55 8705-FAU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 9-in-1 160GB Combo GMA Modem Ext spks XP Home Yes 1-yr Oct 06 ☞ A55 8705-FBU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 160GB Combo GMA Internal XP Pro Yes 1-yr Oct 06 ☞ A55 8705-FCU 4x4 Pentium D 925 3.00 2x2MB Dual 1GB 250GB DVD±RW GMA Internal XP Pro Yes 1-yr Oct 06 A55 8705-G4U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 9-in-1 160GB Combo GMA Modem Ext spks XP Home Yes 1-yr Sep 06 A55 8705-G5U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 160GB Combo GMA Internal XP Pro Yes 1-yr Sep 06 A55 8705-G6U 4x4 Pentium D 945 3.40 2x2MB Dual 1GB 250GB DVD±RW GMA Internal XP Pro Yes 1-yr Sep 06 These small and medium business (SMB) models are part of the US TopSeller ™ Program

Positioning Mainstream enterprise stability and manageability Tower Processor ® Intel Celeron D Processor 336 with single-core, Intel 64 • Business black color optical Technology, Execute Disable Bit, 533MHz system bus, and • 6.9"W X 17.3" D X 15.8"H ② 256KB L2 cache or • 175mm W X 440mm D X 402mm H Intel Pentium 4 Processor 524 or 541 with single-core, Intel 64 • 22.0 lb (10.0 kg) disk Technology, Hyper-Threading technology, Execute Disable Bit, • Handle on top front 533MHz (524) or 800MHz (541) system bus, and 1MB L2 cache or • Toolless cover removal Intel Pentium D Processor 820, 925, or 945 with dual-core, • Toolless disk, diskette drive, Intel 64 Technology, Execute Disable Bit, EIST (9xx only), optical drive removal 800MHz system bus, and 2x1MB or 2x2MB L2 cache • Toolless adapter retention Implementation Processor and L2 cache in FC-LGA4/LGA6 in LGA775 socket Memory - std/max8 256MB, 512MB, or 1GB std / 4GB max Bay ① 5.25", 1.6" high, access, standard optical Memory Two 240-pin DIMM sockets / one socket used / Bay ② 5.25", 1.6" high, access, open PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ③ 3.5", 1" high, access, optional diskette unbuffered / dual-channel capable Bay ④ 3.5", 1" high, no access, standard disk Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Slot 1: half-length, full-height, PCI Express x16 (75w max) integrated graphics in 946GZ / uses main memory (up to 256MB) / Slot 2: half-length, full-height, PCI Express x1 400MHz / one 15-pin analog D-sub connector / Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) supports optional ADD2 adapter but not dual independent display Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v)* * modem in slot in some models SATA disk 80, 160, or 250GB / SATA300 7200 rpm / vibration dampening SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 SECURITY SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar EIDE CD Some: 48X-20X4 CD-ROM • One lock to secure both cover and EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo entire system to fi xed object: EIDE DVD±RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) ® ® EIDE cables One 1-drop EIDE cable to optical / 1 planar connector Kensington Microsaver cable) Diskette drive None / use optional external USB-based diskette drive - No keylock Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 • Power-on password • Administrator password Chipset Intel 946GZ Express Chipset / • Boot sequence control 82946GZ Graphics Memory Controller Hub (GMCH) / • Boot without keyboard, mouse, diskette 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • USB, ethernet, SATA, EIDE, serial, PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O parallel, diskette enable or disable Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Diskette write protect Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) ThinkCentre desktops implement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) ThinkVantage® technologies and design Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software External speakers Some: [Ext spks] 2-piece speakers, 6 watts (3 watts each), black, Infi nity logo LIMITED WARRANTY1 Speaker Some: [Internal] one internal speaker for business audio ® ® ➫ 1-year parts and labor Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN ➫ 9 Modem Some: 56K10 V.90 data/fax soft modem / PCI adapter International Warranty Service ➫ Customer Replaceable Unit (CRU) Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo parts only (with limited onsite service Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo for selected parts3, 8 am - 5 pm, Power supply 230 watts with variable speed fan / manual switch / 2 diagnostic LEDs Mon - Fri coverage excluding holidays, next business day response time) 5 Preload with Windows XP Home Accessories ➫ Onsite service upgrade options Microsoft® Windows® XP Home Edition 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 (in eligible locations):7 Preload with Windows XP Professional5 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 • 1-year LOR 9x5, 4 hour response 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 (ThinkPlus™ part number 41C9189) Microsoft Windows XP Professional 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 • 3-year LOR 9x5, Next Business Day Preloaded (all; only some listed) DVI-I PCIe Connection Adapter (ADD2) 73P2516 (ThinkPlus part number 41C9188) • Sonic RecordNow and Drive Letter ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ Other ThinkPlus services at Access (combo, DVD±RW) ATI X1300 256MB Dual Head/TV-out 41U5028 lenovo.com/thinkplus/warranty • InterVideo WinDVD (combo, DVD±RW) ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ➫ 24x714 toll-free support for warranty • InterVideo WinDVD Creator (DVD±RW) Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo ☞ US models announced October 17, 2006; previous models on September 26, 2006 (ACIN1-1) October 2006 ThinkCentre® A55 Tower (8705) - TopSeller (November 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Media SATA EIDE Vista™ Limited Avail Name Type-modelbay ProcessorGHz cache Memory8 reader disk optical Graphics Preload capable warranty1 date A55 8705-J3U 4x4 Core™ 2 Duo E6300 1.86 2MB 1GB None 80GB2 Combo GMA XP Pro Yes 1-yr Nov 06 A55 8705-J4U 4x4 Core 2 Duo E6300 1.86 2MB 1GB None 160GB Combo GMA XP Home Yes 1-yr Nov 06 A55 8705-J5U 4x4 Core 2 Duo E6300 1.86 2MB 1GB None 160GB DVD±RW GMA XP Pro Yes 1-yr Nov 06 A55 8705-K1U 4x4 Core 2 Duo E6400 2.13 2MB 1GB None 80GB Combo GMA XP Pro Yes 1-yr Nov 06 A55 8705-K2U 4x4 Core 2 Duo E6400 2.13 2MB 1GB None 160GB DVD±RW GMA XP Pro Yes 1-yr Nov 06 These small and medium business (SMB) models are part of the US TopSeller ™ Program

Positioning Mainstream enterprise stability and manageability Tower Processor Intel Core 2 Duo Desktop Processor E6300 or E6400 • Business black color optical with dual-core, Intel 64 Technology, Virtualization Technology, • 6.9"W X 17.3" D X 15.8"H ② Execute Disable Bit, EIST, and 1066MHz system bus with • 175mm W X 440mm D X 402mm H 2MB L2 cache (shared) Implementation • 22.0 lb (10.0 kg) disk Processor in FC-LGA6 package in LGA775 socket • Handle on top front Memory - std/max8 1GB std / 4GB max • Toolless cover removal Memory Two 240-pin DIMM sockets / one socket used / • Toolless disk, diskette drive, PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / optical drive removal unbuffered / dual-channel capable • Toolless adapter retention Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Bay ① 5.25", 1.6" high, access, standard optical integrated graphics in 946GZ / uses main memory (up to 256MB) / Bay ② 5.25", 1.6" high, access, open 400MHz / one 15-pin analog D-sub connector / Bay ③ 3.5", 1" high, access, optional diskette supports optional ADD2 adapter but not dual independent display Bay ④ 3.5", 1" high, no access, standard disk SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening Slot 1: half-length, full-height, PCI Express x16 (75w max) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 Slot 2: half-length, full-height, PCI Express x1 SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) EIDE DVD±RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) SECURITY EIDE cables One 1-drop EIDE cable to optical / 1 planar connector • One lock to secure both cover and Diskette drive None / use optional external USB-based diskette drive entire system to fi xed object: Media reader None - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional Chipset Intel 946GZ Express Chipset / ® ® 82946GZ Graphics Memory Controller Hub (GMCH) / Kensington Microsaver cable) 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, - No keylock PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O • Power-on password • Administrator password Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Boot sequence control Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Boot without keyboard, mouse, diskette mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • USB, ethernet, SATA, EIDE, serial, Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) parallel, diskette enable or disable Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • Diskette write protect Speaker one internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 230 watts with variable speed fan / manual switch / 2 diagnostic LEDs

5 ThinkCentre desktops implement Preload with Windows XP Home Accessories ThinkVantage® technologies and design Microsoft® Windows® XP Home Edition 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 - Disk-to-Disk Recovery 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 LIMITED WARRANTY1 Preload with Windows XP Professional5 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ 1-year parts and labor 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ 9 Microsoft® Windows® XP Professional International Warranty Service 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ Customer Replaceable Unit (CRU) - Disk-to-Disk Recovery 11 48X/32X/48X/16X Max CD-RW/DVD-ROM parts only (with limited onsite service Preloaded (all; only some listed) Combo drive (black) 73P3300 for selected parts3, 8 am - 5 pm, • Rescue and Recovery™ Super Multi-Burner DL DVD±RW Drive 41N5581 • ™ Mon - Fri coverage excluding holidays, Client Security Solution USB Portable Diskette Drive 05K9276 next business day response time) • ThinkVantage Productivity Center USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ➫ • Onsite service upgrade options ThinkVantage System Update USB 2.0 Portable 120GB Hard Disk 41N8379 (in eligible locations):7 • ® ™ Symantec Client Security USB 2.0 Super Multi-Burner Drive 41N5565 • 1-year LOR 9x5, 4 hour response • Diskeeper Lite USB 2.0/Analog Headset by Sennheiser 40Y8518 ™ • ™ (ThinkPlus part number 41C9189) PC-Doctor (diagnostics) USB 2.0 Lenovo Webcam 40Y8519 • 2-year LOR 9x5, 4 hour response • Google Desktop Lenovo L171 17" Monitor (black) 9227AC1 • (ThinkPlus part number 41C9190) Picasa from Google Lenovo L191 19" Monitor (black) 6135AB1 • 2-year LOR 9x5, Next Business Day • Earthlink and AOL (Windows XP Home) Lenovo L192 Wide 19" Monitor (black) 6920AB1 • (ThinkPlus part number 41C9187) Multimedia Center for Think Offerings Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 3-year LOR 9x5, 4 hour response ± ® (combo, DVD RW) ThinkVision L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9191) • Sonic RecordNow and Drive Letter ThinkVision L201p 20.1" Monitor (black) 9220HB1 ± • 3-year LOR 9x5, Next Business Day Access (combo, DVD RW) Enh Perf Wireless Keyboard and Mouse 73P4067 (ThinkPlus part number 41C9188) • InterVideo WinDVD (combo, DVD, Preferred Pro USB Fingerprint Keyboard 73P4730 ➫ ± Other ThinkPlus services at DVD RW) Lenovo M500 Projector 0037A05 lenovo.com/thinkplus/warranty • InterVideo WinDVD Creator (DVD±RW) DVI-I PCIe Connection Adapter (ADD2) 73P2516 ➫ ® ® Post warranty maintenance License - CD not included (all) ATI RADEON X300 SE 128MB Dual Head 41U4813 services available - Lotus® SmartSuite® Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Lotus Notes® Stand-alone Client (Notes ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 client not supported on XP Home) Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced November 21, 2006 (ACIN1-7) November 2006 ThinkCentre® A55 Tower (8705) - TopSeller (January 2007) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Media SATA EIDE Vista Vista™ Limited Avail Name Type-modelbay ProcessorGHz cache Core Memory8 reader disk optical Graphics preload logo warranty1 date A55 8705-AKU 4x4 Celeron® D 336 2.80 256KB Single 1GB None 80GB2 DVD GMA Business Basic 1-yr Feb 07 ✂ A55 8705-35U 4x4 Pentium® 4 541 3.20 1MB Single 1GB None 80GB Combo GMA Business Basic 1-yr Feb 07 ✂ A55 8705-36U 4x4 Pentium 4 541 3.20 1MB Single 1GB None 80GB DVD GMA Business Basic 1-yr Feb 07 A55 8705-DHU 4x4 Pentium 4 631 3.00 2MB Single 1GB None 80GB DVD GMA Business Premium 1-yr Feb 07 A55 8705-DJU 4x4 Pentium 4 631 3.00 2MB Single 1GB None 160GB Combo GMA Business Premium 1-yr Feb 07 A55 8705-DKU 4x4 Pentium 4 641 3.20 2MB Single 1GB None 80GB Combo GMA Business Premium 1-yr Feb 07 A55 8705-DLU 4x4 Pentium 4 641 3.20 2MB Single 1GB None 160GB DVD±RW GMA Business Premium 1-yr Feb 07 A55 8705-FGU 4x4 Pentium D 925 3.00 2x2MB Dual 1GB None 160GB Combo GMA Business Basic 1-yr Feb 07 A55 8705-FHU 4x4 Pentium D 925 3.00 2x2MB Dual 1GB None 250GB DVD±RW GMA Business Basic 1-yr Feb 07 A55 8705-M1U 4x4 Pentium D 915 2.80 2x2MB Dual 1GB None 80GB DVD GMA Business Premium 1-yr Feb 07 A55 8705-M2U 4x4 Pentium D 915 2.80 2x2MB Dual 1GB None 160GB Combo GMA Business Premium 1-yr Feb 07 A55 8705-M3U 4x4 Pentium D 915 2.80 2x2MB Dual 1GB None 160GB DVD±RW GMA Business Premium 1-yr Feb 07 ✂ A55 8705-M4U 4x4 Pentium D 935 3.20 2x2MB Dual 1GB None 80GB DVD GMA Business Premium 1-yr Feb 07 ✂ A55 8705-M5U 4x4 Pentium D 935 3.20 2x2MB Dual 1GB None 160GB DVD±RW GMA Business Premium 1-yr Feb 07 A55 8705-M7U 4x4 Core™ 2 Duo E4300 1.80 2MB Dual 1GB None 80GB DVD GMA Business Premium 1-yr Feb 07 A55 8705-M8U 4x4 Core 2 Duo E4300 1.80 2MB Dual 1GB None 160GB Combo GMA Business Premium 1-yr Feb 07 A55 8705-M9U 4x4 Core 2 Duo E4300 1.80 2MB Dual 1GB None 160GB DVD±RW GMA Business Premium 1-yr Feb 07 A55 8705-G8U 4x4 Pentium D 945 3.40 2x2MB Dual 1GB None 160GB Combo GMA Business Basic 1-yr Feb 07 A55 8705-G9U 4x4 Pentium D 945 3.40 2x2MB Dual 1GB None 250GB DVD±RW GMA Business Basic 1-yr Feb 07 These small and medium business (SMB) models are part of the US TopSeller ™ Program Positioning Mainstream enterprise stability and manageability Tower ® Processor Intel Celeron D Processor 336 with single-core, • optical Intel 64 Technology, Execute Disable Bit, 533MHz sytem bus, and Business black color • 6.9"W X 17.3" D X 15.8"H ② 256KB L2 cache or • Intel Pentium 4 Processor 541 with single-core, 175mm W X 440mm D X 402mm H Intel 64 Technology, Hyper-Threading (HT) technology, • 22.0 lb (10.0 kg) disk Execute Disable Bit, 800MHz system bus, and 1MB L2 cache or • Handle on top front Intel Pentium 4 Processor 631 or 641 with single-core, • Toolless cover removal Intel 64 Technology, Hyper-Threading (HT) technology, • Toolless disk, diskette drive, Execute Disable Bit, 800MHz system bus, and 2MB L2 cache or optical drive removal Intel Pentium D Processor 915, 925, 935, or 945 with dual-core, • Toolless adapter retention Intel 64 Technology, Execute Disable Bit, EIST, and Bay ① 5.25", 1.6" high, access, standard optical 800MHz system bus with 2x2MB L2 cache or Bay ② 5.25", 1.6" high, access, open Intel Core 2 Duo Desktop Processor E4300 with dual-core, Bay ③ 3.5", 1" high, access, optional diskette Intel 64 Technology, Execute Disable Bit, EIST, 800MHz system bus, Bay ④ 3.5", 1" high, no access, standard disk and 2MB L2 cache (shared) Implementation Processor in FC-LGA4/LGA6 package in LGA775 socket Slot 1: half-length, full-height, PCI Express x16 (75w max) Slot 2: half-length, full-height, PCI Express x1 Memory - std/max8 1GB std / 4GB max Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) Memory Two 240-pin DIMM sockets / PC2-4200 533MHz DDR2 / non-parity / Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) CAS latency 4 (CL4) / unbuffered / dual-channel capable / Some: (italics) standard memory in both sockets; no sockets available; SECURITY Some: standard memory in 1 socket; 1 socket available • One lock to secure both cover and Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / entire system to fi xed object: integrated graphics in 946GZ / uses main memory (up to 256MB) / - Padlock loop (in rear for opt padlock) 400MHz / one 15-pin analog D-sub connector / - Security slot (in rear for optional supports optional ADD2 adapter but not dual independent display Kensington® Microsaver® cable) - No keylock SATA disk 80, 160GB, or 250GB / SATA300 7200 rpm / vibration dampening • SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 Power-on password • Administrator password SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar • EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE Boot sequence control 11 • Boot without keyboard, mouse, diskette EIDE Combo Some: 48X/32X/48X/16X Max CD-RW/DVD-ROM Combo • EIDE DVD±RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) USB, ethernet, SATA, EIDE, serial, parallel, diskette enable or disable EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) • EIDE cables One 1-drop EIDE cable to optical / 1 planar connector Diskette write protect Diskette drive None / use optional external USB-based diskette drive Media reader None ThinkCentre desktops implement Chipset Intel 946GZ Express Chipset / ThinkVantage® technologies and design 82946GZ Graphics Memory Controller Hub (GMCH) / 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, LIMITED WARRANTY1 PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech® IT8718 Super I/O ➫ 1-year parts and labor ➫ International Warranty Service9 Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) ➫ Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), Customer Replaceable Unit (CRU) parts only (with limited onsite service mouse (PS/2), ethernet (RJ-45), monitor (DB-15) 3 Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) for selected parts , 8 am - 5 pm, Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Mon - Fri coverage excluding holidays, Speaker one internal speaker for business audio next business day response time) ® ® ➫ Onsite service upgrade options Ethernet Gigabit ethernet on planar / Broadcom BCM5786 / PCIe x1 / Wake on LAN 7 Modem None (in eligible locations): • 1-year LOR 9x5, 4 hour response Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo (ThinkPlus™ part number 41C9189) Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo • 2-year LOR 9x5, 4 hour response Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs (ThinkPlus part number 41C9190) Preloaded operating system Accessories • 3-year LOR 9x5, Next Business Day ® ® (ThinkPlus part number 41C9188) - Microsoft Windows Vista Accessories at lenovo.com/accessories ➫ Other ThinkPlus services at Business Edition (32-bit) lenovo.com/thinkplus/warranty ➫ 24x714 toll-free support for warranty issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN11-2) January 2007 ✂ US models withdrawn effective March 2007 ThinkCentre® A55 Tower (8705) - TopSeller (Home Basic) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x L2 Media SATA EIDE Mod- External Vista Vista Limited Avail NameType-modelbay ProcessorGHz cache Core Memory8 reader disk optical Graphics em speakers preload logo warranty1 date A55 8705-DMU 4x4 Pentium® 4 641 3.20 2MB Single 1GB 9-in-1 250GB2 DVD±RW GMA Yes Spkrs Home Basic Basic 1-yr Feb 07 ✂ A55 8705-FEU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 9-in-1 160GB Combo GMA Yes Internal Home Basic Basic 1-yr Feb 07 A55 8705-FFU 4x4 Pentium D 925 3.00 2x2MB Dual 512MB 9-in-1 160GB Combo GMA Yes Spkrs Home Basic Basic 1-yr Feb 07 ✂ A55 8705-M6U 4x4 Pentium D 935 3.20 2x2MB Dual 1GB 9-in-1 250GB DVD±RW GMA Yes Spkrs Home Basic Basic 1-yr Feb 07 A55 8705-G7U 4x4 Pentium D 945 3.40 2x2MB Dual 512MB 9-in-1 160GB Combo GMA Yes Spkrs Home Basic Basic 1-yr Feb 07 These small and medium business (SMB) models are part of the US TopSeller ™ Program

Positioning Mainstream enterprise stability and manageability ® Tower Processor Intel Pentium 4 Processor 641 with single-core, • optical Intel 64 Technology, Hyper-Threading (HT) technology, Business black color • 6.9"W X 17.3" D X 15.8"H ② Execute Disable Bit, 800MHz system bus, and 2MB L2 cache or • Intel Pentium D Processor 925, 935, or 945 with dual-core, 175mm W X 440mm D X 402mm H Intel 64 Technology, Execute Disable Bit, EIST, and • 22.0 lb (10.0 kg) disk 800MHz system bus with 2x2MB L2 cache • Handle on top front Implementation Processor and L2 cache in FC-LGA6 in LGA775 socket • Toolless cover removal • Toolless disk, diskette drive, Memory - std/max8512MB or 1GB std / 4GB max optical drive removal Memory Two 240-pin DIMM sockets / one socket used / • Toolless adapter retention PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ① 5.25", 1.6" high, access, standard optical Bay ② 5.25", 1.6" high, access, open Graphics Intel Graphics Media Accelerator 3000 (GMA 3000) / Bay ③ 3.5", 1" high, access, optional diskette integrated graphics in 946GZ / uses main memory (up to 256MB) / Bay ④ 3.5", 1" high, no access, standard disk 400MHz / one 15-pin analog D-sub connector / supports optional ADD2 adapter but not dual independent display Slot 1: half-length, full-height, PCI Express x16 (75w max) Slot 2: half-length, full-height, PCI Express x1 SATA disk 160 or 250GB / SATA300 7200 rpm / vibration dampening Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in ICH7 Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v)* SATA cables One SATA cable (one 1-drop to disk) / 2 SATA connectors on planar EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo * modem in slot in some models ± EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (41N5581) SECURITY EIDE controller Enhanced IDE / ATA-100 / integrated in I/O Controller Hub (ICH7) EIDE cables One 1-drop EIDE cable to optical / 1 planar connector • One lock to secure both cover and Diskette drive None / use optional external USB-based diskette drive entire system to fi xed object: Media reader 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - Padlock loop (in rear for opt padlock) - Security slot (in rear for optional Chipset Intel 946GZ Express Chipset / Kensington® Microsaver® cable) 82946GZ Graphics Memory Controller Hub (GMCH) / - No keylock 82801GB I/O Controller Hub (ICH7) for SATA300, ATA-100 EIDE, PCI Express x1, • Power-on password ® PCI 2.3 bus, USB, Low Pin Count interface / ITE Tech IT8718 Super I/O • Administrator password Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Boot sequence control Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Boot without keyboard, mouse, diskette mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • USB, ethernet, SATA, EIDE, serial, Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm) parallel, diskette enable or disable Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • Diskette write protect External speakers Some: [Spkrs] 2-piece speakers, 6 watts (3 watts each), black, Infi nity logo Speaker Some: [Internal] one internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® BCM5786 / PCIe x1 / Wake on LAN® Modem 56K10 V.90 data/fax soft modem / PCI adapter Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs ThinkCentre desktops implement ® Preloaded operating system20 Accessories ThinkVantage technologies and design ® ® ™ - Microsoft Windows Vista 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 1 Home Basic Editon (32-bit) 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 LIMITED WARRANTY ➫ Preloaded applications5 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 1-year parts and labor • ™ 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ International Warranty Service9 Rescue and Recovery ➫ • Client Security Solution™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 Customer Replaceable Unit (CRU) • Super Multi-Burner DL DVD±RW Drive 41N5581 parts only (with limited onsite service ThinkVantage Productivity Center 3 with Away Manager USB Portable Diskette Drive 05K9276 for selected parts , 8 am - 5 pm, • ThinkVantage System Update USB 2.0/Analog Headset by Sennheiser 40Y8518 Mon - Fri coverage excluding holidays, • System Migration Assistant USB 2.0 Essential Memory Key 1GB 41U4940 next business day response time) • USB 2.0 Essential Memory Key 2GB 41U4944 ➫ Onsite service upgrade options Norton Internet Security 7 (90 days of virus defi nitions) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (in eligible locations): • ™ USB 2.0 Portable 120GB Hard Disk 41N8379 • 1-year LOR 9x5, 4 hour response Diskeeper Home ™ • PC-Doctor™ (diagnostics) USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9189) • Adobe® Reader Lenovo L171 17" Monitor (black) 9227AC1 • 2-year LOR 9x5, 4 hour response • Picasa from Google Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9190) Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 2-year LOR 9x5, Next Business Day License - CD not included ThinkVision® L192p 19" Monitor (black) 9419HC2 (ThinkPlus part number 41C9187) ® ® - Lotus Notes Stand-alone Client ThinkVision L201p 20.1" Monitor (black) 9220HB1 • 3-year LOR 9x5, 4 hour response Lenovo Laser Mouse (USB, PS/2) 41U3074 (ThinkPlus part number 41C9191) Enh Perf Wireless Keyboard and Mouse 73P4067 • 3-year LOR 9x5, Next Business Day Lenovo M500 Projector 0037A05 (ThinkPlus part number 41C9188) Lenovo C500 Projector 0039A05 ➫ ThinkPlus services at DVI-I PCIe Connection Adapter (ADD2) 73P2516 lenovo.com/thinkplus/warranty ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ Post warranty maintenance ATI X1300 256MB Dual Head/TV-out 41U5028 services available ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (ACIN11-1) January 2007 ✂ US models withdrawn effective March 2007 ® Created by Lenovo Training Solutions ThinkCentre A55 Accessories Personal Systems Reference (PSREF)

Partial list of accessories supported on ThinkCentre A55 originally announced on September 26, 2006 Memory Data/Video Projectors 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ann 04/19/05 Lenovo M500 Projector 0037A05 ann 02/28/06 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ann 04/19/05 Lenovo C500 Projector 0039A05 ann 07/11/06 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ann 04/19/05 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ann 04/19/05 Security 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ann 06/28/05 USB Gemplus GemPC Smart Card Reader 41N3040 ann 02/21/06 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ann 06/28/05 Kensington® MicroSaver® Desktop Lock 06P3839 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ann 09/26/06 USB Fingerprint Reader 41U3167 ann 10/24/06 Intel 946GZ does not support PC2-6400 DDR2 memory Monitors Optical Lenovo E75 17" CRT Monitor (16.0" vis) blk 6307BTN ann 01/16/07 48X-20X IDE CD-ROM (black) 10K3782 Lenovo L151 15" Monitor (black) 9165AB6 ann 02/28/06 16X Max4 DVD-ROM (black) 22P6950 Lenovo L171 17" Monitor (black) 9227AC1 ann 11/07/06 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Lenovo L191 19" Monitor (black) 6135AB1 ann 06/27/06 Combo drive (black) 73P3300 ann 04/06/04 Lenovo L192 Wide 19" Monitor (black) 6920AB1 ann 09/19/06 Super Multi-Burner DL DVD±RW Drive 41N5581 ann 05/30/06 Lenovo D221 Wide 22" Monitor (black) 6622HB1 ann 11/21/06 ThinkVision® L171p 17" Monitor (black) 9417HC2 ann 10/31/06 Storage and removable storage ThinkVision L192p 19" Monitor (black) 9419HC2 ann 10/31/06 40GB Serial ATA150 Disk (7200 rpm) 22P7185 ThinkVision L201p 20.1" Monitor (black) 9220HB1 ann 10/31/06 80GB Serial ATA300 Disk (7200 rpm) 09N4253 160GB Serial ATA300 Disk (7200 rpm) 09N4254 Monitor Accessories46 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ann 01/24/06 ThinkVision Sound Bar 40Y7616 ann 08/23/05 Kensington® MicroSaver® Security USB Portable Diskette Drive 05K9276 ann 06/05/00 Cable Lock 73P2582 USB 2.0 Memory Key 256MB 40Y8594 ann 03/21/06 Radial Arm 19K4464 ann 05/05/00 USB 2.0 Memory Key 512MB 40Y8596 ann 03/21/06 46 Compatible on selected Lenovo and ThinkVision monitors. USB 2.0 Memory Key 1GB 40Y7421 ann 12/13/05 USB 2.0 Essential Memory Key 1GB 41U4940 ann 01/23/07 USB 2.0 Essential Memory Key 2GB 41U4944 ann 01/23/07 USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 USB 2.0 Portable 80GB Hard Disk 41N8378 ann 04/17/07 USB 2.0 Portable 120GB Hard Disk 41N8379 ann 04/17/07 USB 2.0 Super Multi-Burner Drive 41N5565 ann 01/23/07 Graphics Small 9636 supports: DVI-I PCIe Connection Adapter (ADD2)40 73P2516 ann 06/28/05 40 No dual independent display with Intel 946GZ Tower 8705 supports 75 watts max: ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ann 09/26/06 Keyboard Preferred Pro USB Keyboard 73P5220 ann 06/21/05 Preferred Pro Full Size PS/2 Keyboard 31P7415 ann 06/04/02 Enhanced Performance USB Keyboard 73P2620 ann 03/23/04 Enh Perf Wireless Keyboard and Mouse 73P4067 ann 12/07/04 Mouse USB Optical Wheel Mouse 06P4069 Optical 3-Button ScrollPoint® Mouse 31P7405 Optical 3-Button ScrollPoint Pro Mouse 31P8700 Lenovo Laser Mouse (USB, PS/2) 41U3074 ann 01/23/07 Other accessories at lenovo.com/accessories Multimedia USB 2.0/Analog Headset by Sennheiser 40Y8518 ann 06/27/06 Need to buy accessories no longer marketed by Lenovo? See USB 2.0 Lenovo Webcam 40Y8519 ann 08/29/06 www.itxchange.com/lenovo for the Options Continuation Program.

© Lenovo (O-A55) April 2007 ThinkCentre® A60 Desktop (9266) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 Media SATA EIDE Integrated Vista™ Limited Workhorse Avail NameType-model bay processor GHz cache Core Memory8 reader disk optical graphics Preload capable warranty1 Global date A60 9266-A4U 4x3 Sempron® 3000+ 1.6 256KB Single 512MB 80GB2 CD NVIDIA XP Pro Yes 1-yr None Aug 06 ☞ A60 9266-B6U 4x3 Sempron 3400+ 1.8 256KB Single 512MB 9-in-1 80GB CD NVIDIA XP Pro Yes 1-yr None Aug 06 ☞ A60 9266-36U 4x3 Athlon 64® X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 1-yr None Aug 06 ☞ A60 9266-37U 4x3 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 1-yr None Aug 06 A60 9266-D1U 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 1-yr None Aug 06 ☞ A60 9266-D2U 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 1-yr None Aug 06 • These models have a 1-year limited warranty1

Positioning Mainstream enterprise stability and manageability Desktop Processor AMD® Sempron 3000+ or 3400+ with single-core, integrated optical L1/L2 cache, AMD64, and integrated DDR2 memory controller or disk AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • Business black color L1/L2 cache, AMD64, integrated DDR2 controller, and virtualization • 13.0"W X 16.2"D X 4.3"H technology • 331mm W X 412mm D X 108mm H Implementation Processor in 940-pin PGA package in Socket AM2 • 18.5 to 20.7lb (8.4 to 9.4kg) 8 • Toolless cover removal Memory - std/max 512MB std / 4GB max • Toolless disk, diskette drive, optical drive removal Memory Two 240-pin DIMM sockets / one socket used / • Tooless adapter retention PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ① 5.25", 1.6" high, access, standard optical ② ® Bay 3.5", 1" high, access, optional diskette Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ③ 3.5", 1" high, no access, standard disk uses main memory / 425MHz / one 15-pin analog D-sub connector / optional PCI Express x16 adapter can support two monitors Slot 1: Low Profi le, PCI Express x16 (25w max) Slot 2: Low Profi le, PCI Express x1 SATA disk 80GB / SATA300 7200 rpm / vibration dampening Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors 4 EIDE CD Some: 48X-20X CD-ROM SECURITY EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge • One lock to secure both cover and EIDE cables One 1-drop EIDE 80-conductor cable to optical / two planar connectors entire system to fi xed object: Diskette drive None / use optional external USB-based diskette drive - Padlock loop (in rear for opt padlock) Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - Security slot (in rear for optional ® Kensington Microsaver cable) Chipset NVIDIA GeForce 6100 C51g chipset / C51g includes graphics controller, - No keylock support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Power-on password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • ® Administrator password Low Pin Count interface / Winbond W83627EHG Super I/O • Boot sequence control Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Boot without keyboard, mouse, diskette Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Unattended start mode mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Hard disk I/O control Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) • Serial port I/O control Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software • Parallel port I/O control Speaker One internal speaker for business audio IEEE 1394 None Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® Modem None ThinkCentre desktops implement Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo ® Mouse Optical Wheel Mouse (USB only), black, Lenovo logo ThinkVantage technologies and design; Power supply 220 watts with variable speed fan / universal / manual switch visit thinkcentre.com/thinkvantage Preload with Windows XP Professional5 Accessories LIMITED WARRANTY1 Microsoft® Windows® XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ➫ 1-year parts and labor - Disk-to-Disk Recovery (in hidden 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ International Warranty Service9 protected area) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ➫ Customer Replaceable Unit (CRU) 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 parts only (with limited onsite service Preloaded 3 • Rescue and Recovery™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 for selected parts , 8 am - 5 pm, • Client Security Solution™ 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 Mon - Fri coverage excluding holidays, • ThinkVantage Productivity Center 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 next business day response time) 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ➫ Onsite service upgrade options with Away Manager 11 7 • ThinkVantage System Update 48X/32X/48X/16X Max Combo drive (blk) 73P3300 (in eligible locations): • ® ™ Super Multi-Burner DL DVD±RW Drive 41N5581 • 1-year LOR 9x5, 4 hour response Symantec Client Security ™ • Diskeeper Lite USB Portable Diskette Drive 05K9276 (ThinkPlus part number 41C9189) • PC-Doctor™ (diagnostics) USB Fingerprint Reader 41U3167 • 2-year LOR 9x5, 4 hour response • Adobe® Reader USB 2.0/Analog Headset by Sennheiser 40Y8518 (ThinkPlus part number 41C9190) • Google Toolbar USB 2.0 Lenovo Webcam 40Y8519 • 2-year LOR 9x5, Next Business Day • Google Desktop USB 2.0 Memory Key 1GB 40Y7421 (ThinkPlus part number 41C9187) • Picasa from Google USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response • Multimedia Center for Think Offerings USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9191) (combo models) USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, Next Business Day • Sonic RecordNow and Drive Letter Access Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9188) Lenovo D221 Wide 22" Monitor (black) 6622HB2 ➫ ThinkPlus services at (combo models) ® • InterVideo WinDVD (combo models) ThinkVision L201p 20.1" Monitor (black) 9220HB1 lenovo.com/thinkplus/warranty Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post-warranty maintenance License - CD not included services at ® ® Lenovo C500 Projector 0039A05 - Lotus SmartSuite Millennium and lenovo.com/thinkplus/warranty ® Preferred Pro USB Fingerprint Keyboard 73P4730 Lotus Notes Stand-alone Client ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Other accessories at lenovo.com/accessories via 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced August 22, 2006; previous models on August 8, 2006 (AC1-3) September 2006 ThinkCentre® A60 Desktop (9384) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 Media SATA EIDE Integrated Vista™ Limited Workhorse Avail NameType-modelbay processor GHz cache Core Memory8 reader disk optical graphics Preload capable warranty1 Gbl, Educ date A60 9384-A7U 4x3 Sempron® 3000+ 1.6 256KB Single 512MB 80GB2 CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9384-B3U 4x3 Sempron 3400+ 1.8 256KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 ☞ A60 9384-20U 4x3 Athlon® 64 3500+ 2.2 512KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Educ Nov 06 A60 9384-23U 4x3 Athlon 64 3500+ 2.2 512KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9384-28U 4x3 Athlon 64 3500+ 2.2 512KB Single 512MB 160GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 ☞ A60 9384-37U 4x3 Athlon 64 3800+ 2.4 512KB Single 1GB 160GB DVD±RW NVIDIA XP Pro Yes 3-yr Educ Nov 06 A60 9384-34U 4x3 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB DVD NVIDIA XP Pro Yes 3-yr W Gbl Aug 06 A60 9384-35U 4x3 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 A60 9384-D3U 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9384-D5U 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 9-in-1 160GB Combo NVIDIA XP Pro Yes 3-yr Global Aug 06 A60 9384-D7U 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB DVD NVIDIA XP Pro Yes 3-yr Aug 06 • These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Desktop Processor AMD® Sempron 3000+ or 3400+ with single-core, integrated 9-in-1 optical L1/L2 cache, AMD64, and integrated DDR2 memory controller or disk AMD Athlon 64 3500+ or 3800+ with single-core, integrated • Business black color L1/L2 cache, AMD64, integrated DDR2 memory controller, and • 13.0"W X 16.2"D X 4.3"H virtualization technology or • 331mm W X 412mm D X 108mm H AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • 18.5 to 20.7lb (8.4 to 9.4kg) L1/L2 cache, AMD64, integrated DDR2 controller, and • Toolless cover removal virtualization technology • Toolless disk, diskette drive, optical drive removal Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless adapter retention Memory - std/max8 512MB std / 4GB max Bay ① 5.25", 1.6" high, access, std optical Memory Two 240-pin DIMM sockets / one socket used / Bay ② 3.5", 1" high, access, std or opt reader PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ③ 3.5", 1" high, no access, std disk unbuffered / dual-channel capable Slot 1: Low Profi le, PCI Express x16 (25w max) Graphics NVIDIA® GF 6100 / integrated graphics controller in C51g chipset / Slot 2: Low Profi le, PCI Express x1 uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) optional PCI Express x16 adapter can support two monitors Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening SECURITY SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors • One lock to secure both cover and EIDE CD Some: 48X-20X4 CD-ROM entire system to fi xed object: EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo - Padlock loop (in rear for opt padlock) EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE - Security slot (in rear for optional EIDE DVD±RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) Kensington Microsaver cable) EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - No keylock EIDE cables One 1-drop EIDE 80-conductor cable to optical / two planar connectors • Power-on password Diskette drive None / use optional external USB-based diskette drive • Administrator password Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 • Boot sequence control • ® Boot without keyboard, mouse, diskette Chipset NVIDIA GeForce 6100 C51g chipset / C51g includes graphics controller, • Unattended start mode support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Hard disk I/O control NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • ® Serial port I/O control Low Pin Count interface / Winbond W83627EHG Super I/O • Parallel port I/O control Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software ThinkCentre desktops implement Speaker One internal speaker for business audio ThinkVantage® technologies and design; IEEE 1394 None visit thinkcentre.com/thinkvantage Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® Modem None LIMITED WARRANTY1 ➫ Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo 3-year parts and labor ➫ International Warranty Service9 Mouse Optical Wheel Mouse (USB only), black, Lenovo logo ➫ Power supply 220 watts with variable speed fan / universal / manual switch Customer Replaceable Unit (CRU) parts only (with limited onsite service Preload with Windows XP Professional5 Accessories for selected parts3, 8 am - 5 pm, Microsoft® Windows® XP Professional 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 Mon - Fri coverage excluding holidays, Preloaded (only some listed) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 next business day response time) • 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ➫ Onsite service upgrade options Education models: VitalSource Library 7 education software 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 (in eligible locations): • ® ® 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • 3-year LOR 9x5, 4 hour response Education models: Adobe Photoshop ™ Elements plus Adobe Premiere® Elements 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 (ThinkPlus part number 41C9192) • Rescue and Recovery™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 • 3-year LOR 24x7, 4 hour response • 48X/32X/48X/16X Max11 Combo drive (blk) 73P3300 (ThinkPlus part number 41C9193) Multimedia Center for Think Offerings ± (combo, DVD) Super Multi-Burner DL DVD RW Drive 41N5581 • 4-year LOR 9x5, 4 hour response • Sonic RecordNow and Drive Letter Access USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus part number 41C9195) (combo) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • 4-year LOR 24x7, 4 hour response • InterVideo WinDVD (combo, DVD) USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9196) Lenovo L192 Wide 19" Monitor (black) 6920AB1 ➫ ThinkPlus services at CD ThinkVision® L201p 20.1" Monitor (black) 9220HB1 lenovo.com/thinkplus/warranty • Education models: Adobe Photoshop Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post warranty maintenance Elements plus Adobe Premiere Element Preferred Pro USB Fingerprint Keyboard 73P4730 services available ® ® License - CD not included ATI RADEON X300 SE 128MB Dual Head 41U4813 ➫ 24x714 toll-free support for warranty - Lotus® SmartSuite® Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 issues during the warranty period1 Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced November 21, 2006; models previously announced August 8 and August 22, 2006 (AC1-5) November 2006 ThinkCentre® A60 Desktop (9384) - January 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 Media SATA EIDE Integrated Vista Vista Workhorse Avail NameType-modelbay processor GHz cache Core Memory8 reader disk optical graphics preload logo Gbl, Educ date A60 9384-2BU 4x3 Athlon® 64 3500+ 2.2 512KB Single 1GB 160GB2 Combo NVIDIA Business Premium Feb 07 A60 9384-3AU 4x3 Athlon 64 X2 3800+ 2.0 2x512KB Dual 1GB 80GB DVD NVIDIA Business Premium W Gbl Feb 07 A60 9384-DAU 4x3 Athlon 64 X2 4200+ 2.2 2x512KB Dual 1GB 9-in-1 160GB Combo NVIDIA Business Premium Gbl Feb 07

• These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Desktop Processor AMD® Athlon 64 3500+ with single-core, integrated L1/L2 cache, 9-in-1 optical AMD64, integrated DDR2 memory controller, and disk virtualization technology or • Business black color AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • 13.0"W X 16.2"D X 4.3"H L1/L2 cache, AMD64, integrated DDR2 controller, and • 331mm W X 412mm D X 108mm H virtualization technology • 18.5 to 20.7lb (8.4 to 9.4kg) Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless cover removal 8 • Toolless disk, diskette drive, optical drive removal Memory - std/max 1GB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / two sockets used / 3AU/DAU: PC2-4200 533MHz DDR2 / non-parity / Bay ① 5.25", 1.6" high, access, std optical CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ② 3.5", 1" high, access, std or opt reader 2BU: PC2-5300 667MHz DDR2 / non-parity / Bay ③ 3.5", 1" high, no access, std disk CAS latency 5 (CL5) / unbuffered / dual-channel capable Slot 1: Low Profi le, PCI Express x16 (25w max) Graphics NVIDIA® GF 6100 / integrated graphics controller in C51g chipset / Slot 2: Low Profi le, PCI Express x1 uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 3: Low Profi le, 32-bit PCI 2.3 (5v) optional PCI Express x16 adapter can support two monitors Slot 4: Low Profi le, 32-bit PCI 2.3 (5v) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening SECURITY SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors • One lock to secure both cover and EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo entire system to fi xed object: EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE - Padlock loop (in rear for opt padlock) EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Security slot (in rear for optional EIDE cables One 1-drop EIDE 80-conductor cable to optical / two planar connectors Kensington Microsaver cable) Diskette drive None / use optional external USB-based diskette drive - No keylock Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 • Power-on password • ® Administrator password Chipset NVIDIA GeForce 6100 C51g chipset / C51g includes graphics controller, • Boot sequence control support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Boot without keyboard, mouse, diskette NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • ® Unattended start mode Low Pin Count interface / Winbond W83627EHG Super I/O • Hard disk I/O control Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Serial port I/O control Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Parallel port I/O control mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio IEEE 1394 None Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® Modem None Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), black, Lenovo logo Power supply 220 watts with variable speed fan / universal / manual switch ThinkCentre desktops implement Preloaded operating system20 Accessories ThinkVantage® technologies and design; - Microsoft® Windows® Vista™ 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 visit thinkcentre.com/thinkvantage Business Edition (32-bit) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 LIMITED WARRANTY1 5 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 Preloaded applications 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ • Rescue and Recovery™ 3-year parts and labor 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ➫ 9 • Client Security Solution™ International Warranty Service • 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ➫ Customer Replaceable Unit (CRU) ThinkVantage Productivity Center 160GB Serial ATA300 Disk (7200 rpm) 09N4254 with Away Manager parts only (with limited onsite service 250GB Serial ATA300 Disk (7200 rpm) 41N3015 3 • ThinkVantage System Update for selected parts , 8 am - 5 pm, 48X/32X/48X/16X Max11 Combo drive (blk) 73P3300 Mon - Fri coverage excluding holidays, • System Migration Assistant ± • Super Multi-Burner DL DVD RW Drive 41N5581 next business day response time) Norton Internet Security USB Portable Diskette Drive 05K9276 ➫ (90 days of virus defi nitions) Onsite service upgrade options • ™ USB Fingerprint Reader 41U3167 (in eligible locations):7 Diskeeper Home USB 2.0/Analog Headset by Sennheiser 40Y8518 • PC-Doctor™ (diagnostics) • 3-year LOR 9x5, 4 hour response • ® USB 2.0 Essential Memory Key 1GB 41U4940 (ThinkPlus™ part number 41C9192) Adobe Reader USB 2.0 Essential Memory Key 2GB 41U4944 • Picasa from Google • 3-year LOR 24x7, 4 hour response USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9193) License - CD not included USB 2.0 Super Multi-Burner Drive 41N5565 • 4-year LOR 9x5, Next Business Day ® ® - Lotus Notes Stand-alone Client Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9194) Lenovo D221 Wide 22" Monitor (black) 6622HB1 • 4-year LOR 9x5, 4 hour response ThinkVision® L201p 20.1" Monitor (black) 9220HB1 (ThinkPlus part number 41C9195) Lenovo Laser Mouse (USB, PS/2) 41U3074 • 4-year LOR 24x7, 4 hour response Preferred Pro USB Fingerprint Keyboard 73P4730 (ThinkPlus part number 41C9196) Lenovo M500 Projector 0037A05 ➫ ThinkPlus services at Lenovo C500 Projector 0039A05 lenovo.com/thinkplus/warranty Kensington® MicroSaver® Desktop Lock 06P3839 ➫ Post warranty maintenance ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 services available ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Other accessories at lenovo.com/accessories issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (AC11-2) January 2007 ThinkCentre® A60 Tower (8700) - TopSeller Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 SATA EIDE Integrated Modem Vista™ Limited Avail NameType-modelbay processor GHz cache Core Memory8 disk optical graphics adapter Preload capable warranty1 date A60 8700-A1U 4x4 Sempron® 3000+ 1.6 256KB Single 256MB 80GB2 CD NVIDIA None XP Home5 No 1-yr Aug 06 A60 8700-A2U 4x4 Sempron 3000+ 1.6 256KB Single 512MB 80GB CD NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-25U 4x4 Athlon® 64 3500+ 2.2 512KB Single 512MB 80GB CD NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-27U 4x4 Athlon 64 3500+ 2.2 512KB Single 512MB 80GB Combo NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-28U 4x4 Athlon 64 3500+ 2.2 512KB Single 512MB 160GB DVD±RW NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-D1U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB CD NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-D2U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB Combo NVIDIA None XP Pro Yes 1-yr Aug 06 A60 8700-D3U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 160GB DVD±RW NVIDIA None XP Pro Yes 1-yr Aug 06

• These small and medium business (SMB) models are part of the US TopSeller ™ Program • These models have a 1-year limited warranty1

Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Sempron 3000+ with single-core, integrated L1/L2 • Business black color optical cache, AMD64, and integrated DDR2 memory controller or • 6.9"W X 17.3" D X 15.8"H ② AMD Athlon 64 3500+ with with single-core, integrated L1/L2 • 175mm W X 440mm D X 402mm H cache, AMD64, integrated DDR2 memory controller, and • 22.0 lb (10.0 kg) disk virtualization technology or • Handle on top front AMD Athlon 64 X2 4200+ with dual-core, integrated L1/L2 cache, • Toolless cover removal AMD64, integrated DDR2 controller, and virtualization technology • Toolless disk, diskette drive, Implementation Processor in 940-pin PGA package in Socket AM2 optical drive removal Memory - std/max8 256MB or 512MB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, standard optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open ③ ® Bay 3.5", 1" high, access, optional diskette Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ④ 3.5", 1" high, no access, standard disk uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) optional PCI Express x16 adapter can support two monitors Slot 2: half-length, full-height, PCI Express x1 SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors EIDE CD Some: 48X-20X4 CD-ROM SECURITY 11 EIDE Combo Some: 48X/32X/48X/16X Max CD-RW/DVD-ROM Combo • ± One lock to secure both cover and EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) entire system to fi xed object: EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Padlock loop (in rear for opt padlock) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive Kensington® Microsaver® cable) Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, - No keylock support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Power-on password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Administrator password Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot sequence control • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® ThinkCentre desktops implement Modem None ThinkVantage® technologies and design; visit thinkcentre.com/thinkvantage Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), 400 dpi, black, Lenovo logo LIMITED WARRANTY1 Power supply 280 watts with variable speed fan / manual switch ➫ 1-year parts and labor Preload with Windows XP Home5 Accessories ➫ International Warranty Service9 ➫ Microsoft® Windows® XP Home Edition 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 Customer Replaceable Unit (CRU) parts only (with limited onsite service 5 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 Preload with Windows XP Professional 3 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 for selected parts , 8 am - 5 pm, Microsoft Windows XP Professional 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 Mon - Fri coverage excluding holidays, Preloaded (all; only some listed) 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 next business day response time) • ™ ➫ Onsite service upgrade options Rescue and Recovery 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 7 • Client Security Solution™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 (in eligible locations): • • 1-year LOR 9x5, 4 hour response ThinkVantage System Update 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ™ • Symantec® Client Security™ 48X/32X/48X/16X Max11 Combo drive (blk) 73P3300 (ThinkPlus part number 41C9189) • Google Toolbar Super Multi-Burner DL DVD±RW Drive 41N5581 • 2-year LOR 9x5, 4 hour response • Google Desktop USB Fingerprint Reader 41U3167 (ThinkPlus part number 41C9190) • Picasa from Google USB 2.0/Analog Headset by Sennheiser 40Y8518 • 2-year LOR 9x5, Next Business Day • Multimedia Center for Think Offerings USB 2.0 Lenovo Webcam 40Y8519 (ThinkPlus part number 41C9187) (combo, DVD±RW) USB 2.0 Essential Memory Key 2GB 41U4944 • 3-year LOR 9x5, 4 hour response • Sonic RecordNow and Drive Letter Access USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9191) (combo, DVD±RW) USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, Next Business Day • ± (ThinkPlus part number 41C9188) InterVideo WinDVD (combo, DVD RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 ➫ • InterVideo WinDVD Creator (DVD±RW) ThinkVision® L201p 20.1" Monitor (black) 9220HB1 ThinkPlus services at Enh Perf Wireless Keyboard and Mouse 73P4067 lenovo.com/thinkplus/warranty License - CD not included ® ® ➫ Post warranty maintenance ® ® ATI RADEON X300 SE 128MB Dual Head 41U4813 - Lotus SmartSuite Millennium and services available ® ATI X1300 256MB Dual Head/TV-out 41U5028 Lotus Notes Stand-alone Client (Notes ➫ 14 ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 24x7 toll-free support for warranty client not supported on XP Home) 1 Other accessories at lenovo.com/accessories issues during the warranty period See footnotes for important warranty information © Lenovo US models announced August 8, 2006 (AC1-1) August 2006 ThinkCentre® A60 Tower (8700) - TopSeller (August 2006) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 SATA Media EIDE Integrated Modem Int or ext Vista™ Avail NameType-model bay processor GHz cache Core Memory8 disk readeroptical graphics adapter speaker Preload capable date A60 8700-B2U 4x4 Sempron® 3400+ 1.8 256KB Single 512MB 80GB2 9-in-1 Combo NVIDIA Modem Ext spks XP Home Yes Aug 06 A60 8700-41U 4x4 Athlon® 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB CD NVIDIA Internal XP Pro Yes Aug 06 A60 8700-42U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA Internal XP Pro Yes Aug 06 A60 8700-43U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 160GB 9-in-1 Combo NVIDIA Modem Ext spks XP Home Yes Aug 06 A60 8700-44U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 1GB 160GB DVD±RW NVIDIA Internal XP Pro Yes Aug 06 A60 8700-D5U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 1GB 250GB 9-in-1 DVD±RW NVIDIA Modem Ext spks XP Home Yes Aug 06 A60 8700-D7U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 1GB 160GB DVD±RW NVIDIA Internal XP Pro Yes Aug 06 • These small and medium business (SMB) models are part of the US TopSeller ™ Program • These models have a 1-year limited warranty 1

Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Sempron 3400+ with single-core, integrated L1/L2 • Business black color optical cache, AMD64, and integrated DDR2 memory controller or • 6.9"W X 17.3" D X 15.8"H ② AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • 175mm W X 440mm D X 402mm H L1/L2 cache, AMD64, integrated DDR2 controller, and 9-in-1 • 22.0 lb (10.0 kg) disk virtualization technology • Handle on top front Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless cover removal Memory - std/max8 512MB or 1GB std / 4GB max • Toolless disk, diskette drive, Memory Two 240-pin DIMM sockets / optical drive removal models 44U, D5U, D7U: two sockets used (512MB per socket); • Toolless adapter retention other models: one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, standard optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open ③ ® Bay 3.5", 1" high, access, std or opt reader Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ④ 3.5", 1" high, no access, standard disk uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) optional PCI Express x16 adapter can support two monitors Slot 2: half-length, full-height, PCI Express x1 SATA disk 80, 160, or 250GB / SATA300 7200 rpm / vibration dampening Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors EIDE CD Some: 48X-20X4 CD-ROM SECURITY 11 EIDE Combo Some: 48X/32X/48X/16X Max CD-RW/DVD-ROM Combo • ± One lock to secure both cover and EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) entire system to fi xed object: EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Padlock loop (in rear for opt padlock) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive Kensington® Microsaver® cable) Media Reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - No keylock Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, • Power-on password support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Administrator password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Boot sequence control Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, EIDE, serial, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) parallel, diskette enable or disable Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Front USB port disablement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker Some: [Ext spks] 2-piece speakers, 6 watts (3 watts each), black, Infi nity logo Some: [Internal] one internal speaker for business audio ThinkCentre desktops implement Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® ThinkVantage® technologies and design; Modem Some: 56K10 V.90 data/fax soft modem / Conexant® chipset / PCI adapter visit thinkcentre.com/thinkvantage Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo LIMITED WARRANTY1 Mouse Optical Wheel Mouse (USB only), black, Lenovo logo Power supply 280 watts with variable speed fan / manual switch ➫ 1-year parts and labor ➫ International Warranty Service9 Preload with Windows XP Home5 Accessories ➫ Customer Replaceable Unit (CRU) Microsoft® Windows® XP Home Edition 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 parts only (with limited onsite service for selected parts3, 8 am - 5 pm, Preload with Windows XP Professional5 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 Mon - Fri coverage excluding holidays, Microsoft Windows XP Professional 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 next business day response time) Preloaded (all; only some listed) 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ➫ Onsite service upgrade options • Rescue and Recovery™ 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 (in eligible locations):7 • ™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • 1-year LOR 9x5, 4 hour response Client Security Solution ™ • ThinkVantage System Update 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (ThinkPlus part number 41C9189) • Symantec® Client Security™ 48X/32X/48X/16X Max11 Combo drive (blk) 73P3300 • 2-year LOR 9x5, 4 hour response • Google Desktop Super Multi-Burner DL DVD±RW Drive 41N5581 (ThinkPlus part number 41C9190) • Picasa from Google USB Portable Diskette Drive 05K9276 • 2-year LOR 9x5, Next Business Day • Multimedia Center for Think Offerings USB 2.0/Analog Headset by Sennheiser 40Y8518 (ThinkPlus part number 41C9187) (combo, DVD±RW) USB 2.0 Memory Key 1GB 40Y7421 • 3-year LOR 9x5, 4 hour response • Sonic RecordNow and Drive Letter Access USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9191) (combo, DVD±RW) USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, Next Business Day • InterVideo WinDVD (combo, DVD±RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 (ThinkPlus part number 41C9188) • InterVideo WinDVD Creator (DVD±RW) Lenovo D221 Wide 22" Monitor (black) 6622HB2 ➫ ThinkPlus services at ThinkVision® L201p 20.1" Monitor (black) 9220HB1 lenovo.com/thinkplus/warranty License - CD not included ® ® ➫ Post warranty maintenance - Lotus® SmartSuite® Millennium and ATI RADEON X300 SE 128MB Dual Head 41U4813 ® ATI X1300 256MB Dual Head/TV-out 41U5028 services available Lotus Notes Stand-alone Client (Notes 14 ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ➫ 24x7 toll-free support for warranty client not supported on XP Home) 1 Other accessories at lenovo.com/accessories issues during the warranty period See footnotes for important warranty information © Lenovo US models announced August 22, 2006 (AC1-7) August 2006 ThinkCentre® A60 Tower (8700) - TopSeller (January 2007) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 SATA Media EIDE Integrated Mod- External Vista Vista Avail NameType-modelbay processor GHz cache Core Memory8 disk reader optical graphics em speaker preload logo date A60 8700-B4U 4x4 Sempron® 3400+ 1.8 256KB Single 512M 80GB2 9-in-1 Combo NVIDIA Yes Spkrs Home Basic Basic Feb 07 A60 8700-29U 4x4 Athlon® 64 3500+ 2.2 512KB Single 1GB 80GB DVD NVIDIA Business Premium Feb 07 A60 8700-2KU 4x4 Athlon 64 3500+ 2.2 512KB Single 512M 80GB Combo NVIDIA Yes Home Basic Basic Feb 07 A60 8700-2AU 4x4 Athlon 64 3500+ 2.2 512KB Single 1GB 80GB Combo NVIDIA Business Premium Feb 07 A60 8700-2BU 4x4 Athlon 64 3500+ 2.2 512KB Single 1GB 160GB DVD±RW NVIDIA Business Premium Feb 07 A60 8700-47U 4x4 Athlon 64 X2 3800+ 2.0 2x512K Dual 1GB 80GB DVD NVIDIA Business Premium Feb 07 A60 8700-48U 4x4 Athlon 64 X2 3800+ 2.0 2x512K Dual 1GB 80GB Combo NVIDIA Business Premium Feb 07 A60 8700-49U 4x4 Athlon 64 X2 3800+ 2.0 2x512K Dual 512M 160GB 9-in-1 Combo NVIDIA Yes Spkrs Home Basic Basic Feb 07 A60 8700-4KU 4x4 Athlon 64 X2 3800+ 2.0 2x512K Dual 1GB 160GB DVD±RW NVIDIA Business Premium Feb 07 A60 8700-D8U 4x4 Athlon 64 X2 4200+ 2.2 2x512K Dual 1GB 80GB DVD NVIDIA Business Premium Feb 07 A60 8700-D9U 4x4 Athlon 64 X2 4200+ 2.2 2x512K Dual 1GB 80GB Combo NVIDIA Business Premium Feb 07 A60 8700-DKU 4x4 Athlon 64 X2 4200+ 2.2 2x512K Dual 1GB 160GB DVD±RW NVIDIA Business Premium Feb 07 A60 8700-DAU 4x4 Athlon 64 X2 4200+ 2.2 2x512K Dual 1GB 250GB 9-in-1 DVD±RW NVIDIA Yes Spkrs Home Basic Basic Feb 07 • These small and medium business (SMB) models are part of the US TopSeller ™ Program • These models have a 1-year limited warranty1 Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Sempron 3400+ with single-core, integrated L1/L2 • Business black color optical cache, AMD64, and integrated DDR2 memory controller or • 6.9"W X 17.3" D X 15.8"H ② AMD Athlon 64 3500+ with single-core, integratedL1/L2 cache, • 175mm W X 440mm D X 402mm H AMD64, integrated DDR2 memory controller, and 9-in-1 • 22.0 lb (10.0 kg) disk virtualization technology or • Handle on top front AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • Toolless cover removal L1/L2 cache, AMD64, integrated DDR2 controller, and • Toolless disk, diskette drive, virtualization technology optical drive removal Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless adapter retention Memory - std/max8 512MB or 1GB std / 4GB max Memory Two 240-pin DIMM sockets / Bay ① 5.25", 1.6" high, access, standard optical Some: (italics) two sockets used; Bay ② 5.25", 1.6" high, access, open Some: one socket used / Bay ③ 3.5", 1" high, access, std or opt reader PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ④ 3.5", 1" high, no access, standard disk unbuffered / dual-channel capable Slot 1: half-length, full-height, PCI Express x16 (75w max) Slot 2: half-length, full-height, PCI Express x1 Graphics NVIDIA® GF 6100 / integrated graphics controller in C51g chipset / uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) optional PCI Express x16 adapter can support two monitors Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) * modem in slot in some models SATA disk 80, 160, or 250GB / SATA300 7200 rpm / vibration dampening SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge SECURITY SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors • 4 One lock to secure both cover and EIDE DVD Some: 16X-48X Max DVD-ROM / single-layer / EIDE entire system to fi xed object: EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo ± - Padlock loop (in rear for opt padlock) EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) - Security slot (in rear for optional EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge Kensington® Microsaver® cable) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - No keylock Diskette drive None / use optional external USB-based diskette drive • Power-on password Media Reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 • Administrator password Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, • Boot sequence control support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Boot without keyboard, mouse, diskette NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • USB, ethernet, SATA, EIDE, serial, Low Pin Count interface / Winbond® W83627EHG Super I/O parallel, diskette enable or disable • Diskette write protect Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • Front USB port disablement Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), mouse (PS/2), ethernet (RJ-45), monitor (DB-15) ThinkCentre desktops implement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) ThinkVantage® technologies and design Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker Some: [Spkrs] 2-piece speakers, 6 watts (3 watts each), black, Infi nity logo LIMITED WARRANTY1 Some: one internal speaker for business audio ➫ 1-year parts and labor ® ® Ethernet Gigabit ethernet on planar / Broadcom 5788 / PCI 2.3 / Wake on LAN ➫ International Warranty Service9 10 ® Modem Some: 56K V.90 data/fax soft modem / Conexant chipset / PCI adapter ➫ Customer Replaceable Unit (CRU) Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo parts only (with limited onsite service Mouse Optical Wheel Mouse (USB only), black, Lenovo logo for selected parts3, 8 am - 5 pm, Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs Mon - Fri coverage excluding holidays, next business day response time) Preloaded operating system Accessories ➫ Onsite service upgrade options - Some: Microsoft® Windows® Vista™ 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 (in eligible locations):7 Home Premium Editon (32-bit) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 • 1-year LOR 9x5, 4 hour response - Some: Microsoft Windows Vista 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 (ThinkPlus™ part number 41C9189) Business Edition (32-bit) 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • 2-year LOR 9x5, 4 hour response 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 (ThinkPlus part number 41C9190) Preloaded applications5 (all; only some 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • 3-year LOR 9x5, 4 hour response listed) 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (ThinkPlus part number 41C9191) • Rescue and Recovery™ USB 2.0 Super Multi-Burner Drive 41N5565 • 3-year LOR 9x5, Next Business Day • Client Security Solution™ • Lenovo D221 Wide 22" Monitor (black) 6622HB2 (ThinkPlus part number 41C9188) ThinkVantage Productivity Center ® ➫ • ThinkVision L201p 20.1" Monitor (black) 9220HB1 Other ThinkPlus services at ThinkVantage System Update ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty • System Migration Assistant ➫ • ATI X1300 256MB Dual Head/TV-out 41U5028 Post warranty maintenance Norton Internet Security ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 services available License - CD not included (all) Other accessories at lenovo.com/accessories ➫ 24x714 toll-free support for warranty - Lotus® Notes® Stand-alone Client issues during the warranty period1 See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (AC11-1) January 2007 ThinkCentre® A60 Tower (8991) - TopSeller Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 SATA EIDE Integrated Vista™ Workhorse Limited Avail NameType-modelbay processor GHz cache Core Memory8 disk optical graphics Preload capable Gbl, Educ warranty1 date A60 8991-24U 4x4 Athlon® 64 3500+ 2.2 512KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 8991-25U 4x4 Athlon 64 3500+ 2.2 512KB Single 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 ☞ A60 8991-2CU 4x4 Athlon 64 3500+ 2.2 512KB Single 512MB 80GB Combo NVIDIA XP Pro Yes Educ 3-yr Nov 06 A60 8991-35U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 A60 8991-38U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 ☞ A60 8991-3AU 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 1GB 160GB DVD±RW NVIDIA XP Pro Yes Educ 3-yr Nov 06 A60 8991-D1U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 8991-D2U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 • These small and medium business (SMB) models are part of the US TopSeller ™ Program • These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Athlon 64 3500+ with with single-core, integrated • Business black color optical L1/L2 cache, AMD64, integrated DDR2 memory controller, and • 6.9"W X 17.3" D X 15.8"H ② virtualization technology or • 175mm W X 440mm D X 402mm H AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated ③ • 22.0 lb (10.0 kg) disk L1/L2 cache, AMD64, integrated DDR2 controller, and • Handle on top front virtualization technology • Toolless cover removal Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless disk, diskette drive, Memory - std/max8 512MB or 1GB std / 4GB max optical drive removal Memory Two 240-pin DIMM sockets / one socket used / • Toolless adapter retention PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ① 5.25", 1.6" high, access, std optical ② ® Bay 5.25", 1.6" high, access, open Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ③ 3.5", 1" high, access, opt diskette uses main memory / 425MHz / one 15-pin analog D-sub connector / Bay ④ 3.5", 1" high, no access, std disk optional PCI Express x16 adapter can support two monitors Slot 1: half-length, full-height, PCI Express x16 (75w max) SATA disk 80GB or 160GB / SATA300 7200 rpm / vibration dampening Slot 2: half-length, full-height, PCI Express x1 SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) EIDE CD Some: 48X-20X4 CD-ROM EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo SECURITY ± EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) • One lock to secure both cover and EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge entire system to fi xed object: EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Padlock loop (in rear for opt padlock) Diskette drive None / use optional external USB-based diskette drive - Security slot (in rear for optional Media reader None Kensington® Microsaver® cable) Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, - No keylock support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Power-on password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Administrator password Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot sequence control • Boot without keyboard, mouse, diskette Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) • USB, ethernet, SATA, EIDE, serial, Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), parallel, diskette enable or disable mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Diskette write protect Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio IEEE 1394 None Ethernet Gigabit ethernet on planar / Broadcom® 5788 / PCI 2.3 / Wake on LAN® Modem None ThinkCentre desktops implement ThinkVantage™ technologies and design; Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo visit thinkcentre.com/thinkvantage Mouse Optical Wheel Mouse (USB only), black, Lenovo logo Power supply 280 watts with variable speed fan / manual switch LIMITED WARRANTY1 Preload with Windows XP Professional5 Accessories ➫ 3-year parts and labor ® ® ➫ 9 Microsoft Windows XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 International Warranty Service 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ Customer Replaceable Unit (CRU) Preloaded (only some listed) • 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 parts only (with limited onsite service Education models: VitalSource Library 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 for selected parts3, 8 am - 5 pm, education software Mon - Fri coverage excluding holidays, • ® ® 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 Education models: Adobe Photoshop 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 next business day response time) Elements plus Adobe Premiere® Elements ➫ • ™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Onsite service upgrade options Rescue and Recovery 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (in eligible locations):7 • Client Security Solution™ 11 • 48X/32X/48X/16X Max Combo drive (blk) 73P3300 • 3-year LOR 9x5, 4 hour response ThinkVantage Productivity Center ± (ThinkPlus™ part number 41C9192) • ® ™ Super Multi-Burner DL DVD RW Drive 41N5581 Symantec Client Security USB Portable Diskette Drive 05K9276 • 3-year LOR 24x7, 4 hour response • Multimedia Center for Think Offerings ± USB 2.0/Analog Headset by Sennheiser 40Y8518 (ThinkPlus part number 41C9193) (combo, DVD RW) USB 2.0 Memory Key 1GB 40Y7421 • 4-year LOR 9x5, Next Business Day • Sonic RecordNow and Drive Letter ± USB 2.0 Essential Memory Key 2GB 41U4944 (ThinkPlus part number 41C9194) Access (combo, DVD RW) USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • 4-year LOR 9x5, 4 hour response • InterVideo WinDVD (combo, DVD±RW) • ± USB 2.0 Super Multi-Burner Drive 41N5565 (ThinkPlus part number 41C9195) InterVideo WinDVD Creator (DVD RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 24x7, 4 hour response CD Lenovo D221 Wide 22" Monitor (black) 6622HB1 (ThinkPlus part number 41C9196) • Education models: Adobe Photoshop ThinkVision® L201p 20.1" Monitor (black) 9220HB1 ➫ ThinkPlus services at Elements plus Adobe Premiere Elements ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty License - CD not included 1 - Lotus® SmartSuite® Millennium and ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced November 21, 2006; models previously announced August 8 and August 22, 2006 (AC1-2) November 2006 ThinkCentre® A60 Tower (9269) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD Media SATA EIDE Integrated FireWire Vista™ Workhorse Avail NameType-modelbay processor GHz Core Memory8 reader disk optical graphics Modem adapter Preload capable Global date A60 9269-A3U 4x4 Sempron® 3000+ 1.6 Single 512MB 80GB2 CD NVIDIA XP Pro Yes None Aug 06 A60 9269-B6U 4x4 Sempron 3400+ 1.8 Single 512MB 9-in-1 80GB CD NVIDIA XP Pro Yes None Aug 06 ☞ A60 9269-B9U 4x4 Sempron 3400+ 1.8 Single 512MB 9-in-1 80GB Combo NVIDIA XP Home Yes None Nov 06 ☞ A60 9269-B0U 4x4 Athlon® 64 3500+ 2.2 Single 512MB 9-in-1 160GB DVD±RW NVIDIA XP Home Yes None Nov 06 A60 9269-36U 4x4 Athlon 64 X2 3800+ 2.0 Dual 512MB 80GB Combo NVIDIA XP Pro Yes None Aug 06 A60 9269-37U 4x4 Athlon 64 X2 3800+ 2.0 Dual 512MB 80GB DVD NVIDIA XP Pro Yes None Aug 06 A60 9269-D1U 4x4 Athlon 64 X2 4200+ 2.2 Dual 512MB 80GB CD NVIDIA XP Pro Yes None Aug 06 A60 9269-D4U 4x4 Athlon 64 X2 4200+ 2.2 Dual 512MB 80GB DVD NVIDIA XP Pro Yes None Aug 06 ☞ A60 9269-D6U 4x4 Athlon 64 X2 4200+ 2.2 Dual 1GB 9-in-1 250GB DVD±RW NVIDIA Modem 1394 XP Pro Yes None Nov 06

• These models have a 1-year limited warranty1

Mainstream enterprise stability and manageability Tower ® Positioning AMD Sempron 3000+ or 3400+ with single-core, integrated • Business black color optical Processor L1/L2 cache, AMD64, and integrated DDR2 memory controller or • 6.9"W X 17.3" D X 15.8"H ② AMD Athlon 64 3500+ with single-core, integrated L1/L2 cache, • 175mm W X 440mm D X 402mm H AMD64, integrated DDR2 controller, and virtualization technology or 9-in-1 • 22.0 lb (10.0 kg) disk AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • Handle on top front L1/L2 cache, AMD64, integrated DDR2 controller, and • Toolless cover removal virtualization technology • Toolless disk, diskette drive, Implementation Processor in 940-pin PGA package in Socket AM2 optical drive removal Memory - std/max8 512MB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, std optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open ③ ® Bay 3.5", 1" high, access, std or opt reader Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ④ 3.5", 1" high, no access, std disk uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) optional PCI Express x16 adapter can support two monitors Slot 2: half-length, full-height, PCI Express x1 SATA disk 80, 160, or 250GB / SATA300 7200 rpm / vibration dampening Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v)* SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v)* SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors *FireWire and modem adapters in slots on some models EIDE CD Some: 48X-20X4 CD-ROM EIDE Combo Some: 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Combo SECURITY EIDE DVD Some: 16X-48X Max4 DVD-ROM / single-layer / EIDE ± • One lock to secure both cover and EIDE DVD RW Some: DVD and CD burner / Super Multi-Burner DL (part 41N5581) entire system to fi xed object: EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Padlock loop (in rear for opt padlock) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive Kensington® Microsaver® cable) Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - No keylock Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, • Power-on password support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Administrator password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Boot sequence control Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, EIDE, serial, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) parallel, diskette enable or disable Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) ® Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX software ThinkCentre desktops implement Speaker B9U: 2-piece speakers, 6 watts (3 watts each), black, Infi nity logo ThinkVantage® technologies and design Others: One internal speaker for business audio IEEE 1394 Some: FireWire PCI adapter / 1394A, 400Mbps, dual 6-pin ports on rear, LIMITED WARRANTY1 one 6-pin port on front of system, no external cables included ➫ Ethernet Gigabit ethernet on systemboard / Broadcom® 5788 / PCI 2.3 / Wake on LAN® 1-year parts and labor ➫ 9 Modem Some: 56K10 V.90 data/fax soft modem / PCI adapter International Warranty Service ➫ Customer Replaceable Unit (CRU) Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo parts only (with limited onsite service Mouse Optical Wheel Mouse (USB only), black, Lenovo logo for selected parts3, 8 am - 5 pm, Power supply 280 watts with variable speed fan / manual switch Mon - Fri coverage excluding holidays, 5 next business day response time) Preload with Windows XP Home Accessories ➫ ® ® Onsite service upgrade options Microsoft Windows XP Home Edition 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 (in eligible locations):7 Preload with Windows XP Professional5 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 • 1-year LOR 9x5, 4 hour response ® ® 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ™ Microsoft Windows XP Professional (ThinkPlus part number 41C9189) 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 • 2-year LOR 9x5, 4 hour response Preloaded (all; only some listed) 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 (ThinkPlus part number 41C9190) • Rescue and Recovery™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • ™ • 2-year LOR 9x5, Next Business Day Client Security Solution 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (ThinkPlus part number 41C9187) • 11 ThinkVantage Productivity Center 48X/32X/48X/16X Max Combo drive (blk) 73P3300 • 3-year LOR 9x5, 4 hour response • Multimedia Center for Think Offerings Super Multi-Burner DL DVD±RW Drive 41N5581 ± (ThinkPlus part number 41C9191) (combo, DVD, DVD RW) USB Fingerprint Reader 41U3167 • 3-year LOR 24x7, Next Business Day • Sonic RecordNow and Drive Letter USB 2.0 Lenovo Webcam 40Y8519 ± (ThinkPlus part number 41C9188) Access (combo, DVD RW) USB 2.0 Essential Memory Key 2GB 41U4944 ➫ ThinkPlus services at • InterVideo WinDVD (combo, DVD, USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 ± lenovo.com/thinkplus/warranty DVD RW) USB 2.0 Super Multi-Burner Drive 41N5565 ➫ Post-warranty maintenance • InterVideo WinDVD Creator (DVD±RW) Lenovo L192 Wide 19" Monitor (black) 6920AB1 ® ® services at License - CD not included ATI RADEON X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty - Lotus® SmartSuite® Millennium and ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty Lotus Notes® Stand-alone Client (Notes ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 client not supported on XP Home) Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US models announced November 21, 2006; models previously announced August 8 and August 22, 2006 (AC1-4) March 2007 ThinkCentre® A60 Tower (9631) Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 Media SATA EIDE Integrated Vista™ Limited WorkhorseAvail NameType-modelbay processor GHz cache Core Memory8 reader disk optical graphics Preload capable warranty1 Gbl, Educ date A60 9631-A7U 4x4 Sempron® 3000+ 1.6 256KB Single 512MB 80GB2 CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9631-B3U 4x4 Sempron 3400+ 1.8 256KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9631-28U 4x4 Athlon® 64 3500+ 2.2 512KB Single 512MB 160GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 A60 9631-29U 4x4 Athlon 64 3500+ 2.2 512KB Single 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9631-35U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB DVD NVIDIA XP Pro Yes 3-yr W Gbl Aug 06 A60 9631-36U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Aug 06 ☞ A60 9631-39U 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 512MB 80GB Combo NVIDIA XP Pro Yes 3-yr Educ Nov 06 A60 9631-D1U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB CD NVIDIA XP Pro Yes 3-yr Aug 06 A60 9631-D4U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 9-in-1 80GB Combo NVIDIA XP Pro Yes 3-yr Global Aug 06 A60 9631-D7U 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 512MB 80GB DVD NVIDIA XP Pro Yes 3-yr Aug 06 • These models have a 3-year limited warranty1 Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Sempron 3000+ or 3400+ with single-core, integrated • Business black color optical L1/L2 cache, AMD64, and integrated DDR2 memory controller or • 6.9"W X 17.3" D X 15.8"H ② AMD Athlon 64 3500+ with single-core, integrated L1/L2 cache, • 175mm W X 440mm D X 402mm H AMD64, integrated DDR2 controller, and virtualization technology or 9-in-1 • 22.0 lb (10.0 kg) disk AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated • Handle on top front L1/L2 cache, AMD64, integrated DDR2 controller, and • Toolless cover removal virtualization technology • Toolless disk, diskette drive, Implementation Processor in 940-pin PGA package in Socket AM2 optical drive removal Memory - std/max8 512MB std / 4GB max • Toolless adapter retention Memory Two 240-pin DIMM sockets / one socket used / PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / Bay ① 5.25", 1.6" high, access, std optical unbuffered / dual-channel capable Bay ② 5.25", 1.6" high, access, open ③ ® Bay 3.5", 1" high, access, std or opt reader Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Bay ④ 3.5", 1" high, no access, std disk uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 1: half-length, full-height, PCI Express x16 (75w max) optional PCI Express x16 adapter can support two monitors Slot 2: half-length, full-height, PCI Express x1 SATA disk 80GB / SATA300 7200 rpm / vibration dampening Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors EIDE CD Some: 48X-20X4 CD-ROM SECURITY 11 EIDE Combo Some: 48X/32X/48X/16X Max CD-RW/DVD-ROM Combo • 4 One lock to secure both cover and EIDE DVD Some: 16X-48X Max DVD-ROM / single-layer / EIDE entire system to fi xed object: EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Padlock loop (in rear for opt padlock) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive Kensington® Microsaver® cable) Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - No keylock Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, • Power-on password support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Administrator password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Boot sequence control Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, EIDE, serial, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) parallel, diskette enable or disable Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software ThinkCentre desktops implement Speaker One internal speaker for business audio ThinkVantage® technologies and design IEEE 1394 None Ethernet Gigabit ethernet on systemboard / Broadcom® 5788 / PCI 2.3 / Wake on LAN® LIMITED WARRANTY1 Modem None ➫ 3-year parts and labor Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo ➫ International Warranty Service9 Mouse Optical Wheel Mouse (USB only), black, Lenovo logo ➫ Customer Replaceable Unit (CRU) Power supply 280 watts with variable speed fan / manual switch parts only (with limited onsite service for selected parts3, 8 am - 5 pm, Preload with Windows XP Professional5 Accessories Mon - Fri coverage excluding holidays, Microsoft® Windows® XP Professional 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 next business day response time) 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ Onsite service upgrade options Preloaded (only some listed) (in eligible locations):7 • Education models: VitalSource Library 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 • 3-year LOR 9x5, 4 hour response education software (ThinkPlus™ part number 41C9192) • Education models: Adobe® Photoshop® 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ® 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 • 3-year LOR 24x7, 4 hour response Elements plus Adobe Premiere Elements (ThinkPlus part number 41C9193) • Rescue and Recovery™ 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 • 4-year LOR 9x5, Next Business Day • Client Security Solution™ 250GB Serial ATA300 Disk (7200 rpm) 41N3015 11 (ThinkPlus part number 41C9194) • ThinkVantage Productivity Center 48X/32X/48X/16X Max Combo drive (blk) 73P3300 • Super Multi-Burner DL DVD±RW Drive 41N5581 • 4-year LOR 9x5, 4 hour response Multimedia Center for Think Offerings (ThinkPlus part number 41C9195) (combo, DVD) USB 2.0 Lenovo Webcam 40Y8519 • 4-year LOR 24x7, 4 hour response • Sonic RecordNow and Drive Letter Access USB 2.0 Memory Key 1GB 40Y7421 USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 (ThinkPlus part number 41C9196) (combo) ➫ ThinkPlus services at • InterVideo WinDVD (combo, DVD) USB 2.0 Super Multi-Burner Drive 41N5565 Lenovo L192 Wide 19" Monitor (black) 6920AB1 lenovo.com/thinkplus/warranty CD Lenovo D221 Wide 22" Monitor (black) 6622HB1 ➫ Post-warranty maintenance • Education models: Adobe Photoshop ThinkVision® L201p 20.1" Monitor (black) 9220HB1 services at Elements plus Adobe Premiere Elements ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty License - CD not included 1 - Lotus® SmartSuite® Millennium and ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period Lotus Notes® Stand-alone Client Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo ☞ US model announced November 21, 2006; models previously announced August 8 and August 22, 2006 (AC1-6) November 2006 ThinkCentre® A60 Tower (9631) - January 2007 Created by Lenovo Training Solutions Personal Systems Reference (PSREF)

Slot x AMD L2 Media SATA EIDE Integrated Vista Vista Workhorse Avail NameType-modelbay processor GHz cache Core Memory8 reader disk optical graphics preload logo Gbl, Educ date A60 9631-2BU 4x4 Athlon® 64 3500+ 2.2 512KB Single 1GB 160GB2 Combo NVIDIA Business Premium Feb 07 A60 9631-3AU 4x4 Athlon 64 X2 3800+ 2.0 2x512KB Dual 1GB 80GB DVD NVIDIA Business Premium W Gbl Feb 07 A60 9631-DKU 4x4 Athlon 64 X2 4200+ 2.2 2x512KB Dual 1GB 9-in-1 80GB Combo NVIDIA Business Premium Gbl Feb 07

• These models have a 3-year limited warranty1

Positioning Mainstream enterprise stability and manageability Tower ® Processor AMD Athlon 64 3500+ with single-core, integrated L1/L2 cache, • Business black color optical AMD64, integrated DDR2 memory controller, and • 6.9"W X 17.3" D X 15.8"H ② virtualization technology or • 175mm W X 440mm D X 402mm H AMD Athlon 64 X2 3800+ or 4200+ with dual-core, integrated 9-in-1 • 22.0 lb (10.0 kg) disk L1/L2 cache, AMD64, integrated DDR2 controller, and • Handle on top front virtualization technology • Toolless cover removal Implementation Processor in 940-pin PGA package in Socket AM2 • Toolless disk, diskette drive, Memory - std/max8 1GB std / 4GB max optical drive removal Memory Two 240-pin DIMM sockets / two sockets used / • Toolless adapter retention 3AU/DAU: PC2-4200 533MHz DDR2 / non-parity / CAS latency 4 (CL4) / unbuffered / dual-channel capable Bay ① 5.25", 1.6" high, access, std optical 2BU: PC2-5300 667MHz DDR2 / non-parity / Bay ② 5.25", 1.6" high, access, open CAS latency 5 (CL5) / unbuffered / dual-channel capable Bay ③ 3.5", 1" high, access, std or opt reader ④ ® Bay 3.5", 1" high, no access, std disk Graphics NVIDIA GF 6100 / integrated graphics controller in C51g chipset / Slot 1: half-length, full-height, PCI Express x16 (75w max) uses main memory / 425MHz / one 15-pin analog D-sub connector / Slot 2: half-length, full-height, PCI Express x1 optional PCI Express x16 adapter can support two monitors Slot 3: half-length, full-height, 32-bit PCI 2.3 (5v) SATA disk 80 or 160GB / SATA300 7200 rpm / vibration dampening Slot 4: half-length, full-height, 32-bit PCI 2.3 (5v) SATA controller Serial ATA / 300MB/sec SATA300 / integrated in south bridge SATA cables One SATA cable (one 1-drop to disk) / two SATA planar connectors SECURITY 11 EIDE Combo Some: 48X/32X/48X/16X Max CD-RW/DVD-ROM Combo • 4 One lock to secure both cover and EIDE DVD Some: 16X-48X Max DVD-ROM / single-layer / EIDE entire system to fi xed object: EIDE controller Enhanced IDE / ATA-133 / integrated in NVIDIA MCP51 south bridge - Padlock loop (in rear for opt padlock) EIDE cables One 2-drop EIDE 80-conductor cable to optical / two planar connectors - Security slot (in rear for optional Diskette drive None / use optional external USB-based diskette drive Kensington® Microsaver® cable) Media reader Some: 9-in-1 media reader / occupies diskette drive bay / internal USB 2.0 - No keylock Chipset NVIDIA GeForce® 6100 C51g chipset / C51g includes graphics controller, • Power-on password support for PCI Express x1 slot, PCI Express x16 slot, PCI 2.3 slots / • Administrator password NVIDIA MCP51 south bridge for SATA300, ATA-133 EIDE, USB, • Boot sequence control Low Pin Count interface / Winbond® W83627EHG Super I/O • Boot without keyboard, mouse, diskette • USB, ethernet, SATA, EIDE, serial, Front ports Two USB (Version 2.0), microphone (mono, 3.5mm), headphone (stereo, 3.5mm) parallel, diskette enable or disable Rear ports Four USB (Version 2.0), one 9-pin serial, parallel (25-pin), keyboard (PS/2), • Diskette write protect mouse (PS/2), ethernet (RJ-45), monitor (DB-15) • Front USB port disablement Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (mono, 3.5mm) Audio High Defi nition (HD) Audio / AD1986A codec / SoundMAX® software Speaker One internal speaker for business audio IEEE 1394 None Ethernet Gigabit ethernet on systemboard / Broadcom® 5788 / PCI 2.3 / Wake on LAN® Modem None ThinkCentre desktops implement ThinkVantage® technologies and design Keyboard 104-key Preferred Pro Full-size keyboard (PS/2 connector), black, Lenovo logo Mouse Optical Wheel Mouse (USB only), black, Lenovo logo 1 Power supply 280 watts with variable speed fan / manual switch / 2 diagnostic LEDs LIMITED WARRANTY ➫ 3-year parts and labor Preloaded operating system20 Accessories ➫ International Warranty Service9 - Microsoft® Windows® Vista™ 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ➫ Customer Replaceable Unit (CRU) Business Edition (32-bit) 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 parts only (with limited onsite service for selected parts3, 8 am - 5 pm, Preloaded applications5 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 • ™ 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 Mon - Fri coverage excluding holidays, Rescue and Recovery 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 next business day response time) • Client Security Solution™ ➫ • 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 Onsite service upgrade options ThinkVantage Productivity Center 250GB Serial ATA300 Disk (7200 rpm) 41N3015 (in eligible locations):7 with Away Manager 11 • 48X/32X/48X/16X Max Combo drive (blk) 73P3300 • 3-year LOR 9x5, 4 hour response ThinkVantage System Update ± (ThinkPlus™ part number 41C9192) • System Migration Assistant Super Multi-Burner DL DVD RW Drive 41N5581 • USB Portable Diskette Drive 05K9276 • 3-year LOR 24x7, 4 hour response Norton Internet Security (ThinkPlus part number 41C9193) (90 days of virus defi nitions) USB 2.0/Analog Headset by Sennheiser 40Y8518 • ™ USB 2.0 Lenovo Webcam 40Y8519 • 4-year LOR 9x5, Next Business Day Diskeeper Home (ThinkPlus part number 41C9194) • PC-Doctor™ (diagnostics) USB 2.0 Essential Memory Key 2GB 41U4944 • ® USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 • 4-year LOR 9x5, 4 hour response Adobe Reader (ThinkPlus part number 41C9195) • Picasa from Google USB 2.0 Super Multi-Burner Drive 41N5565 Lenovo L192 Wide 19" Monitor (black) 6920AB1 • 4-year LOR 24x7, 4 hour response License - CD not included Lenovo D221 Wide 22" Monitor (black) 6622HB1 (ThinkPlus part number 41C9196) - Lotus® Notes® Stand-alone Client ThinkVision® L192p 19" Monitor (black) 9419HC2 ➫ ThinkPlus services at ThinkVision L201p 20.1" Monitor (black) 9220HB1 lenovo.com/thinkplus/warranty Lenovo Laser Mouse (USB, PS/2) 41U3074 ➫ Post-warranty maintenance Enh Perf Wireless Keyboard and Mouse 73P4067 services at ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 lenovo.com/thinkplus/warranty ATI X1300 256MB Dual Head/TV-out 41U5028 ➫ 24x714 toll-free support for warranty ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 issues during the warranty period1 Other accessories at lenovo.com/accessories 800-IBM-SERV (426-7378) See footnotes for important warranty information © Lenovo US models announced January 30, 2007 (AC11-3) January 2007 ® Created by Lenovo Training Solutions ThinkCentre A60 Accessories Personal Systems Reference (PSREF)

Partial list of accessories supported on ThinkCentre A60 originally announced on August 8, 2006 Memory Data/Video Projectors 256MB PC2-4200 CL4 NP DDR2 UDIMM 73P4970 ann 04/19/05 Lenovo M500 Projector 0037A05 ann 02/28/06 512MB PC2-4200 CL4 NP DDR2 UDIMM 73P4971 ann 04/19/05 Lenovo C500 Projector 0039A05 ann 07/11/06 1GB PC2-4200 CL4 NP DDR2 UDIMM 73P4972 ann 04/19/05 2GB PC2-4200 CL4 NP DDR2 UDIMM 73P4973 ann 04/19/05 Security 512MB PC2-5300 CL5 NP DDR2 UDIMM 73P4983 ann 06/28/05 USB Gemplus GemPC Smart Card Reader 41N3040 ann 02/21/06 1GB PC2-5300 CL5 NP DDR2 UDIMM 73P4984 ann 06/28/05 Kensington® MicroSaver® Desktop Lock 06P3839 2GB PC2-5300 CL5 NP DDR2 UDIMM 73P4985 ann 09/26/06 USB Fingerprint Reader 41U3167 ann 10/24/06 Optical Monitors 48X-20X IDE CD-ROM (black) 10K3782 Lenovo E75 17" CRT Monitor (16.0" vis) blk 6307BTN ann 01/16/07 16X Max4 DVD-ROM (black) 22P6950 Lenovo L151 15" Monitor (black) 9165AB6 ann 02/28/06 48X/32X/48X/16X Max11 CD-RW/DVD-ROM Lenovo L171 17" Monitor (black) 9227AC1 ann 11/07/06 Combo drive (black) 73P3300 ann 04/06/04 Lenovo L191 19" Monitor (black) 6135AB1 ann 06/27/06 Super Multi-Burner DL DVD±RW Drive 41N5581 ann 05/30/06 Lenovo L192 Wide 19" Monitor (black) 6920AB1 ann 09/19/06 Lenovo D221 Wide 22" Monitor (black) 6622HB1 ann 11/21/06 Storage and removable storage ThinkVision® L171p 17" Monitor (black) 9417HC2 ann 10/31/06 40GB Serial ATA150 Disk (7200 rpm) 22P7185 ThinkVision L192p 19" Monitor (black) 9419HC2 ann 10/31/06 80GB Serial ATA300 Disk (7200 rpm) 09N4253 ThinkVision L201p 20.1" Monitor (black) 9220HB1 ann 10/31/06 160GB Serial ATA300 Disk (7200 rpm) 09N4254 250GB Serial ATA300 Disk (7200 rpm) 41N3015 ann 01/24/06 Monitor Accessories46 ThinkVision Sound Bar 40Y7616 ann 08/23/05 USB Portable Diskette Drive 05K9276 ann 06/05/00 Kensington® MicroSaver® Security USB 2.0 Memory Key 256MB 40Y8594 ann 03/21/06 Cable Lock 73P2582 USB 2.0 Memory Key 512MB 40Y8596 ann 03/21/06 Radial Arm 19K4464 ann 05/05/00 USB 2.0 Memory Key 1GB 40Y7421 ann 12/13/05 46 Compatible on selected Lenovo and ThinkVision monitors. USB 2.0 Essential Memory Key 1GB 41U4940 ann 01/23/07 USB 2.0 Essential Memory Key 2GB 41U4944 ann 01/23/07 USB 2.0 CD-RW/DVD-ROM Combo II Drive 40Y8637 USB 2.0 Portable 80GB Hard Disk 41N8378 ann 04/17/07 USB 2.0 Portable 120GB Hard Disk 41N8379 ann 04/17/07 USB 2.0 Super Multi-Burner Drive 41N5565 ann 01/23/07 Graphics Tower 8700/8991/9269/9631 supports 75 watts max: ATI ® RADEON® X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 ATI X1600 Pro 256MB VGA/DVI-I/TV-out 41A4073 ann 09/26/06 Desktop 9266/9384 supports Low Profi le 25 watts max: ATI RADEON X300 SE 128MB Dual Head 41U4813 ann 10/24/06 ATI X1300 256MB Dual Head/TV-out 41U5028 ann 02/13/07 Keyboard Preferred Pro USB Keyboard 73P5220 ann 06/21/05 Preferred Pro Full Size PS/2 Keyboard 31P7415 ann 06/04/02 Enhanced Performance USB Keyboard 73P2620 ann 03/23/04 Enh Perf Wireless Keyboard and Mouse 73P4067 ann 12/07/04 Mouse USB Optical Wheel Mouse 06P4069 Optical 3-Button ScrollPoint® Mouse 31P7405 Optical 3-Button ScrollPoint Pro Mouse 31P8700 Lenovo Laser Mouse (USB, PS/2) 41U3074 ann 01/23/07 Other accessories at lenovo.com/accessories Multimedia USB 2.0/Analog Headset by Sennheiser 40Y8518 ann 06/27/06 Need to buy accessories no longer marketed by Lenovo? See USB 2.0 Lenovo Webcam 40Y8519 ann 08/29/06 www.itxchange.com/lenovo for the Options Continuation Program.

© Lenovo (O-A60) April 2007 Availability: All offers subject to avail- 6 Multi-Burner Plus (part number 1 0 Modem speeds: Public network ability. Lenovo reserves the right to alter 73P3305 or 73P3370) is a DVD±RW de- download speeds are limited to 53Kbps. product offerings and specifi cations at vice that reads and writes to DVD-RAM, Upload speeds are limited to 48Kbps for any time, without notice. Lenovo is not DVD-R, DVD-RW, DVD+R, and DVD+RW. V.92 modems. Actual speeds depend on responsible for photographic or typo- It also reads and writes to CD-R and many factors and are often less than the graphic errors. CD-RW media. 73P3370 also writes to maximum possible. V.92 functions and DVD+R double layer media. speeds require compatible phone line Warranty: For a copy of applicable and server equipment. Check with your product warranties, write to: Warranty In- 7 ThinkPlus Services: These services telephone and ISP service providers for formation, P.O. Box 12195, RTP, NC, 27709, are available for machines normally availability. Attn: Dept ZPYA/B676. Lenovo makes no used for business, professional, or trade 11 representation or warranty regarding third purposes, rather than personal, family, For combination drives, maximum party products or services. or household purposes. Not all machine speeds only are given in the following types and models are covered. Service order: CD read, CD write, CD re-write, 1 Limited warranty: Support unrelated to period begins with the equipment date DVD read. a warranty issue may be subject to ad- of purchase. Service must be purchased 14 ditional charges. during the original limited product war- Response times may vary. May exclude ranty period. Service levels are response some holidays. Telephone support may 2 Hard drive: GB = billion bytes, TB = time objectives and are not guarantees. be subject to additional charges. trillion bytes. Accessible capacity is less; If the machine problem turns out to be 15 up to 4GB is service partition. a Customer Replaceable Unit (CRU), a Update Connector is available at no part will be express shipped to you for charge to registered customers during 3 Systems with limited onsite service quick replacement. Onsite 24x7x2-hour the limited warranty period. Line charges are designed to be repaired during the service is not available in all locations. may apply. applicable warranty period primarily with P&L means parts and labor. P/U means 16 customer-replaceable parts provided pick-up. See ThinkPlus terms and condi- Embedded Security Subsystem works by Lenovo. Lenovo will only send a tions for complete details and restrictions. with optional VPN software. technician onsite to perform a repair if (a) remote telephone diagnosis and/or 8 Memory: For PCs without a separate customer part replacement are unable graphics card, memory supports both to resolve the problem, or (b) the part is system and video. Accessible system one of the few designated by Lenovo for memory may be up to 256MB less than onsite replacement. For a list of onsite the amount stated, depending on video replaceable parts, contact Lenovo. Sup- mode (Intel GMA 900/950 up to 224MB; port unrelated to a warranty issue may Intel GMA 3000 up to 256MB). be subject to additional charges. 9 International Warranty Service is avail- 4 CD and DVD list maximum rates; rates able in any country in which this product are variable and are often less than the is sold and serviced. Service delivery maximum. methods and parts availability vary by country, may be different from that in the 5 Included software may differ from its country of purchase, and are subject to retail version (if available), and may not change without notice. Fees and restric- include user manuals or all program tions may apply in some countries. functionality. License agreements may apply. 18 Embedded Security Subsystem may This publication was developed for prod- require download of client security soft- ucts and services offered in the United ware from the Web. States. Lenovo may not offer the prod- ucts, services or features discussed in 19 Asset ID allows system-specifi c informa- this document in other countries. Lenovo tion to be stored in a chip inside the sys- may withdraw an offering at any time. Trademarks: ThinkCentre, ThinkPad, tem; it does not have any radio frequency Information is subject to change without ThinkVision, Rescue and Recovery, support. notice. Consult your local representative for information on offerings available in Lenovo, ThinkPad, and ScrollPoint are trademarks or registered trademarks 20 Operating System: Level of support var- your area. of Lenovo. IBM, Lotus Notes, and Lotus ies by operating system. Operating sys- SmartSuite are registered trademarks tems not preloaded on the system may Lenovo reserves the right to after speci- or trademarks of International Business not provide full feature functionality. Refer fi cations and other product information Machines Corporation in the United to lenovo.com/pc/support and enter your at any time without prior notice. Lenovo States and/or other countries. Microsoft machine type and model number for is not responsible for photographic or and Windows are registered trademarks more information. typographical errors. LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT of Microsoft Corporation. Intel, Intel WARRANTY OF ANY KIND, EITHER Inside, the Intel Inside logo, Pentium, and EXPRESS OR IMPLIED, INCLUDING THE Celeron are trademarks or registered IMPLIED WARRANTIES OF MERCHANT- trademarks of Intel Corporation or its sub- ABILITY OR FITNESS FOR A PARTICU- sidiaries in the United States and other LAR PURPOSE. Some jurisdictions do countries. Linux is a trademark of Linus not allow disclaimer of express or implied Torvalds in the United States, other coun- warranties in certain transactions; there- tries, or both. Other company, product, fore this disclaimer may not apply to you. or service names may be trademarks or service marks of others.

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