Socket 939 for AMD Athlon 64x2 Athlon 64, Athlon 64FX and Sempron processorr 939Dual-SATA2 ULi 1695 chipset (ULi M1695/ ULi M1567) Detail Specification CPU - Socket 939 for AMD Athlon 64x2 Athlon 64FX / Athlon 64 and Sempron processor - FSB 1000 MHz (2.0GT/s) - Supports HyperTransport Technology - Supports AMD Cool'n'Quiet Technology Chipset - Northbridge: ULi M1695 - Southbridge: ULI M1567 Memory - DIMM slots: 4 supported - Max. capacity: 4GB Hybrid Booster- CPU Frequency Stepless control - CPU Multiplier - ASRock U-COP - Boot Failure Guard (B.F.G) Expansion Slot- 1 x ASRock Future CPU Port (Yellow-colored): Flexible Socket M2 upgrade interface for ASRock M2CPU Board - 1 x AGP8X/4X slot , 1.5V only - 1 x PCI Express x16 slot - 1 x PCI Express x1 slot - 3 x PCI slots Graphics N/A ASRock Future CPU Port: Flexible M2 Socket upgrade interface for ASRock M2CPU Board Audio - Realtek 850 7.1channel AC'97 audio codec Support AMD Dual Core Athlon 64 X2 processor LAN - Realtek RTL8201CL 10/100 Ethernet LAN PHY - 802.3u, WOL supported PCI Express (x16) and AGP8X/4X VGA Card Rear Panel I/O ASRock 8CH I/O Interface to adopt both PCI Express and AGP - 4 x USB2.0 ports - 1 x RJ45 LAN port display card - 1 x Serial port (COM1) - 1 x PS2 Keyboard connector PCI Express x1 slot for other hi-speed peripheral - 1 x PS2 Mouse connectors cards - 1 x Parallel port (LPT1) - 2 x Audio ports to support 8 Ch audio Advanced storage interface : 2 x Serial ATA ( Line In/Out, Mic In) 1.5Gb/s, RAID 0,1,JBOD, and 1 x SATAII 3.0Gb/s Connector - 2 x SerialATA connectors support RAID,0,1, JBOD Luxury sound effect: 7.1channel superior Audio - 1 x SATA2 connector (based on PCIE SATA2 controller JMB360) Adopts Worldwide First PCI Express SATA II - 2 x ATA 133/100/66 IDE connectors ( supports 4 x IDE devices) controller on board, optimizing the support for - 1 x Floppy connector SATA2 HDD - CPU/Chassis FAN connectors - 20 pin ATX power connector - 4 pin ATX 12V power connector Product brief - Power LED connector 1. For Socket 939 AMD Athlon 64x2 Athlon 64FX and - CD audio in header - Front panel audio connector Athlon 64, Sempron processors - 2 x USB 2.0 port pin headers 2. FSB 1000 MHz (2.0GT/s), DDR400 (to support extra 4 USB2.0 ports) 3. Hyper-Transport Technology,AMD Cool'n'Quiet Technology 4. ASRock Future CPU Port: M2 Socket upgrade interface for BIOS Feature - 4Mb AMI BIOS with ACPI, SM BIOS 3.0, PnP ASRock M2CPU Board Support CD - Drivers, Utilities, Anti-Virus Software, 5. Hybrid Booster - ASRock Safe Overclocking Technology - SATA driver and utility 6. PCI Express x16 slot 7. PCI Express x1 slot,AGP 8X/4X slot Accessories - Quick Installation Guide, Support CD, I/O shield 8. PCIE SATA2 controller on board, optimizing the support for - Floppy/ATA 133 cables - 1 x SerialATA data cable SATA2 HDD - 1 x SerialATA 1-to-1 power cable 9. 2 x SerialATA 1.5Gb/s, RAID 0,1,JBOD, and 1 x SATAII 3.0Gb/s Form Factor 10.7.1channel Superior Quality Audio, 10/100 Ethernet LAN ATX, 305mm x244mm 11.ASRock 8CH I/O: 4 ready-to-use USB2.0 ports, 7.1channel Certifications FCC, CE, MS WHQL audio jack The specification is subject to change without notice. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed..