ontact nformation For your system to work properly, please download appropriate R C I SUPERMICR • Website: www.supermicro.com drivers/images/user's manual from the links below: A1SA7-2750/2550F • General Information: [email protected] • Manuals: http://www.supermicro.com/support/manuals • Technical Support: [email protected] • Drivers & Utilities: ftp://ftp.supermicro.com/CDR_Images/CDR-A1-UP/ MNL-1616-QRG Quick Reference Guide Rev. 1.00 • Phone: +1 (408) 503-8000, Fax: +1 (408) 503-8008 • Safety: http://www.supermicro.com/about/policies/safety_information.cfm Layout and Features Jumpers, Connectors and LED Indicators Memory Support Jumpers The A1SA7-2750/2550F motherboard supports up to 64GB of DDR3 ECC or Non- Jumper Item # Description Default ECC Unbuffered (UDIMM) 1600/1333 MHz in x8 data width only, in 4 memory slots. 19 1 JBT1 30 CMOS Clear Open: Normal Operation, Short: Clear CMOS 110 18 17 6 Populating these DIMM modules with a pair of memory modules of the same type 1 14 13 5 12 11 JI2C1/JI2C2 40, 41 SMB to PCI-Exp. Slots Off (Disabled) 461 and same size will result in better memory performance. 451 2 LED8

LED7 JPG1 11 VGA Enable Pins 1-2 (Enabled) JUIDB1 VGA

UID-LE DIMM Memory Installation J28 JPG1 JPL1 36 LAN Ports Enable Pins 1-2 (Enabled)

UID-SW SW1 USB1 J27 USB2 111 D USB1/0 JWD1 43 Watch Dog Enable Pins 1-2 (Reset) Towards the edge of motherboard BMC IPMI_LAN LAN2 LAN1 L-SAS1 4 L-SAS1 5 AST2400 Connectors 1 DIMMA1 (Blue Slot) JPL1 I-SATA0 35 Connector Item # Description 411

JI2C 2 JI2C 1 401 361 DIMMA2

L-SAS1 2 L-SAS1 3 Battery (JBAT1) 18 Onboard Battery 139 138 LED2 LED3 LED9 134 137 COM1 32 COM1 Header DIMMB1 (Blue Slot) CPU JSD1 USB3 SLOT1 PCI-E 2.0 X4(IN x8 ) FAN1-FAN7 23, 22, 21, 20 CPU/System Cooling Fans DIMMB2 1 1 33 L-SAS1 0 L-SAS1 42 19, 14, 15 BAR CODE 1 IPMI_LAN 5 IPMI Dedicated LAN Memory Population Guidelines MNL-1616-QRG 1.00 L-SAS9 L-SAS8 J3 27 Motherboard 5V Standby Power Input 321 When installing memory modules, the DIMM slots should be populated in the fol- 1 12 JF1 24 Front Panel Control Header LSI 2116 COM1 lowing order: DIMMA1, DIMMB1, then DIMMA2, DIMMB2.

JF1: 2 PWR JIPMB1 13 4-pin External SMbus I C Header (for an IPMI Card) ON • Always use DDR3 DIMM modules of the same size, type and speed. L-SAS7 L-SAS6 RST X OH/FF NIC2 JL1 16 Chassis Intrusion Header NIC1 HDD LED 131 • The motherboard will support one DIMM module or three DIMM modules in- PWR LED J7 NMI JOH1 17 Overheat/Fan Fail LED Header stalled. However for best memory performance, install DIMM modules in pairs. 1 130 JTPM1 L-SAS5 L-SAS4 MAC CODE JBT1 JP1 25 HDD Backplane Power Control header A1SA7-2550F BAR CODE • Be sure to use memory modules of the same type, same speed, and same REV:1.01 BIOS LICENS E JPWR1 2 2 DESIGNED IN USA JPI C1 28 Power Supply System Management (SMBus) I C frequency on the same motherboard. Mixing of memory modules of different 129

JWD1 JRT3 types and speeds is not allowed. L-SAS3 L-SAS2 1 JBAT1 Header 43 181 JF1 1 JIPMB1 44 JPWR1 29 +12V 8-pin Motherboard Power connector 1 JP1

JR JPI2C1 JOH1 171 Recommended Population (Balanced) T4 SP1 128 L-SAS0 L-SAS1 1 JSD1 34 SATA DOM (Device_On_Module) Power Connector DIMMA1 Slot DIMMB1 Slot DIMMA2 Slot DIMMB2 Slot Total System Memory JL1 16 FA

FAN7 FA FA FA FA FA N5 N6 N4 N3 N2 N1 J3 JTPM1 31 Trusted Platform Module (TPM)/Port 80 Connector 4GB 4GB 8GB DIMMA1 DIMMA2 DIMMB1 DIMMB2 LED4 JUIDB1 8 Unit Identifier (UID) Button 4GB 4GB 4GB 4GB 16GB 1 1 1 191 120 121 122 231 1 125 127 13 14 15 24 LAN1/LAN2 3, 4 Gigabit Ethernet (RJ45) Ports 8GB 8GB 16GB 261 L-SAS0 - L-SAS15 12 LSI 2116 SAS Ports 0-15 8GB 8GB 8GB 8GB 32GB I-SATA0 35 Serial ATA Port 0 PCI-E Slot 42 PCI-E Slot 2.0 x4 (x8) 1 Module Key Module Notches = mounting hole 2 Note: Item numbers are in counterclockwise order SP1 44 Internal Speaker/Buzzer SW1 7 Power Button Front Panel Control (JF1) Back Panel I/O Connectors USB1/USB2 1, 2 Backpanel USB 2.0 Ports 1/2 USB 3 33 USB 2.0 Front Access Support/Type A Connector) VGA 6 Backpanel VGA Port Socket Key 20 19 J27 45 NC-SI header for AOC-STGN-i1SF 10GbE card Ground NMI A B J28 46 Power to AOC-STGN-i1SF 10GbE card X X C D E F LED Indicators FP PWR LED 3.3 V 3 4 G H LED Item # Description Color/State Status HDD LED 3.3V Stby LED2 37 BMC Heartbeat LED Green: Blinking BMC: Normal NIC2 Link LED 3.3V Stby LED3 39 LSISAS2116 Heartbeat LED Green: Blinking SAS Controller: Normal 3.3V Stby NIC1 Link LED LED4 26 Power LED Green: On System Power On 5 OH/Fan Fail UID LED Backplane I/O Panel LED7 9 UID Switch LED Blue: On Unit Identified 3.3V A. USB Port 1 E. IPMI LAN PWR Fail LED8 10 Overheat/PWR Fail/Fan Fail Red: Solid on/Blinking Solid On: Overheat, B. USB Port 2 F. VGA Ground Reset Reset Button LED Blinking: PWR Fail or C. LAN Port 1 G. Power Button Fan Fail Ground PWR Power Button 2 1 D. LAN Port 2 H. UID Switch LED9 38 LSISA2116 Error LED Red: On LSISAS2116 Error Status © 2014 Supermicro Computer Inc. All rights reserved. Reproduction of this document whether in part or in whole is strictly prohibited without Supermicro's written All rights reserved. Reproduction of this document whether in part or whole is strictly prohibited without Supermicro's written © 2014 Supermicro Computer Inc. it is not guaranteed. time of printing; however, All information provided is deemed accurate at the are property of their respective entities. All Trademarks consent.

Note: Graphics shown in this quick reference guide are for illustration only. Your components may or may not look exactly the same as drawings shown in this guide. Note: Refer to Chapter 1 of the User Manual for detailed information on jumpers, connectors, Note: Refer to Chapter 2 of the User Manual for detailed information on memory support and CPU/ and LED indicators. motherboard installation instructions.