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Supero A1SA2-2750F User Manual

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A1SA2-2750F
A1SA2-2550F
USER'S MANUAL
Revision 1.0

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Summary of Contents for Supero A1SA2-2750F

  • Page 1 A1SA2-2750F A1SA2-2550F USER’S MANUAL Revision 1.0...
  • Page 2 The information in this user’s manual has been carefully reviewed and is believed to be accurate. The vendor assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the information in this manual, or to notify any person or organization of the updates.

  • Page 3: About This Motherboard

    Preface Preface This manual is written for system integrators, IT professionals, and knowledgeable end-users. It provides information for the installation and use of the A1SA2-2750/2550F motherboard. About This Motherboard A1SA2-2750/2550F motherboard supports a next-generation Intel ® S2xxx SoC (System-on-a-Chip) processor in a BGA1283 package. With a S2xxx Series processor built in, the A1SA2-2750/2550F motherboard supports cutting- edge technology such as Intel's Virtualization Technology, Turbo Boost Technology, offering unprecedented enhancements to data integrity, internet security, network...

  • Page 4: Conventions Used In The Manual

    A1SA2-2750/2550F Motherboard User’s Manual Conventions Used in the Manual: Special attention should be given to the following symbols for proper installation and to prevent damage done to the components or injury to yourself: Warning: Critical information to prevent damage to the components or injury to your- self.

  • Page 5: Contacting Supermicro

    Contacting Supermicro Contacting Supermicro Headquarters Address: Super Micro Computer, Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. Tel: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (Technical Support) Web Site: www.supermicro.com Europe Address: Super Micro Computer B.V. Het Sterrenbeeld 28, 5215 ML 's-Hertogenbosch, The Netherlands Tel:...

  • Page 6: Table Of Contents

    A1SA2-2750/2550F Motherboard User’s Manual Table of Contents Preface Chapter 1 Introduction Overview ......................1-1 Processor Overview ..................1-9 Special Features ................... 1-10 PC Health Monitoring ..................1-10 ACPI Features ....................1-11 Power Supply ....................1-11 Chapter 2 Installation Standardized Warning Statements ..............2-1 Battery Handling ....................
  • Page 7 Table of Contents Onboard Indicators ..................2-17 Overheat/PWR Fail/Fan Fail LED ............2-17 BMC Heartbeat LED ................2-17 Unit Identification LED ................2-18 Onboard Power LED ................2-19 SATA Connections ..................2-20 Serial ATA Ports..................2-20 Chapter 3 Troubleshooting Troubleshooting Procedures ................3-1 Before Power On ....................
  • Page 8 A1SA2-2750/2550F Motherboard User’s Manual How to Recover the UEFI BIOS Image (-the Main BIOS Block)....C-1 To Recover the Main BIOS Block Using a USB-Attached Device....C-1 Appendix D Dual Boot Block Introduction ......................D-1 Steps to Reboot the System by Using Jumper JBR1 ........D-2 viii...

  • Page 9: Chapter 1 Introduction

    Chapter 1: Introduction Chapter 1 Introduction Overview Checklist Congratulations on purchasing your computer motherboard from an acknowledged leader in the industry. Supermicro boards are designed with the utmost attention to detail to provide you with the highest standards in quality and performance. Please check that the following items have all been included with your motherboard.
  • Page 10 A1SA2-2750/2550F User’s Manual A1SA2-2750/2550F Motherboard Image Note: All graphics shown in this manual were based upon the latest PCB Revision available at the time of publishing of the manual. The motherboard you've received may or may not look exactly the same as the graphics shown in this manual.
  • Page 11 Chapter 1: Introduction A1SA2-2750/2550F Motherboard Layout JKVM1 USB0/1 LED7 (Top Side) IPMI_LAN LED8 (Bottom Side) P2 LAN 2/1 Down: P1 LAN 2/1 NODE LED2 88E1543 AST2400 QL1183 BIOS QL1183 CPU2 IPMI BAR CODE CPU2 JBT2 VBAT JBT1 BIOS BIOS LICENSE LICENSE A1SA2-2550F CPU1 IPMI...
  • Page 12 A1SA2-2750/2550F User’s Manual A1SA2-2750/2550F Motherboard Quick Reference JKVM1 USB0/1 LED7 (Top Side) IPMI_LAN LED8 (Bottom Side) P2 LAN 2/1 Down: P1 LAN 2/1 NODE LED2 88E1543 AST2400 QL1183 BIOS QL1183 CPU2 IPMI BAR CODE CPU2 JBT2 VBAT JBT1 BIOS BIOS LICENSE LICENSE A1SA2-2550F...

  • Page 13: Jumper Description

    Chapter 1: Introduction A1SA2-2750/2550F Motherboard Connectors/Jumpers/LEDs Jumper Description Default JBT1/JBT2 CMOS Clear for Node 1 (JBT1) and Node 2 (JBT2) Off (Normal) JPG1/JPG2 VGA Enable for Node 1 (JPG1) and Node 2 (JPG2) Pins 1-2 (Enabled) JPL1/JPL2 Ethernet LAN Ports Enable for Node 1 (JPL1) and Node 2 Pins 1-2 (Enabled) (JPL2) JWD1/JWD2...

  • Page 14: Motherboard Features

    A1SA2-2750/2550F User’s Manual Motherboard Features Single Intel ® S2xxx Tri-Gate 22nm SoC in the BGA1283 1283 package Each SoC supports 4 or 8 cores Memory Supports up to 64GB of DDR3 ECC VLP UDIMM 1600MHz in eight memory slots. Dual-Channel memory or Single-Channel w/x8 data width, Single or Dual Rank memory DIMM sizes DIMMs...
  • Page 15 Chapter 1: Introduction CPU 1+1-phase switching voltage regulator CPU/System overheat LED and control CPU Thermal Trip support SoC Thermal Control Circuit (TCC) mechanism Thermal Monitor Support Fan Control Low noise fan speed control BMC Health Monitoring BMC Fan control and thermal alert by sensors monitor- ing, including CPU, memory and motherboard ambient temperatures System Management...

  • Page 16: System Block Diagram

    A1SA2-2750/2550F User’s Manual A1SA2-2750/2550F motherboard Block Diagram CPU1 DIMMA2 CPU2 DIMMA1 DIMMA2 DIMMA1 FLASH 64Mbit FLASH 64Mbit AVOTON SOC AVOTON SOC DIMMB2 DIMMB1 DIMMB2 DIMMB1 HDD Backplane SATA GEN3 Pericom Pericom SATA GEN3 6812 6812 SATA 3.0 SATA SATA 3.0 SATA re-driver re-driver...

  • Page 17: Processor Overview

    Chapter 1: Introduction Processor Overview The A1SA2-2750/2550F motherboard supports a 2nd-generation 64-bit, Intel ® Atom™ S2xxx Tri-Gate SoC (System-on-a-Chip) processor based on low-power Sil- vermont microarchitecture in a BGA 1283 package. Built upon the functionality and capability of the S2xxx Series processor in the low-power 22nm microarchitecture, the A1SA2-2750/2550F motherboard provides unprecedented enhancements to network routing, internet security, system performance, and power efficiency.

  • Page 18: Special Features

    A1SA2-2750/2550F User’s Manual Special Features Recovery from AC Power Loss Basic I/O System (BIOS) provides a setting for you to determine how the system will respond when AC power is lost and then restored to the system. You can choose for the system to remain powered off, (in which case you must press the power switch to turn it back on), or for it to automatically return to a power-on state.

  • Page 19: Acpi Features

    Chapter 1: Introduction ACPI Features ACPI stands for Advanced Configuration and Power Interface. The ACPI specifica- tion defines a flexible and abstract hardware interface that provides a standard way to integrate power management features throughout a PC system, including its hardware, operating system and application software. This enables the system to automatically turn on and off peripherals such as CD-ROMs, network cards, hard disk drives and printers.
  • Page 20 A1SA2-2750/2550F User’s Manual Notes 1-12...

  • Page 21: Chapter 2 Installation

    Chapter 2: Installation Chapter 2 Installation Standardized Warning Statements The following statements are industry-standard warnings, provided to warn the user of situations which have the potential for bodily injury. Should you have questions or experience difficulty, contact Supermicro's Technical Support department for assis- tance.
  • Page 22 A1SA2-2750/2550F User’s Manual Attention Danger d'explosion si la pile n'est pas remplacée correctement. Ne la remplacer que par une pile de type semblable ou équivalent, recommandée par le fabricant. Jeter les piles usagées conformément aux instructions du fabricant. ¡Advertencia! Existe peligro de explosión si la batería se reemplaza de manera incorrecta. Re- emplazar la batería exclusivamente con el mismo tipo o el equivalente recomen- dado por el fabricante.

  • Page 23: Product Disposal

    Chapter 2: Installation Product Disposal Warning! Ultimate disposal of this product should be handled according to all national laws and regulations. 製品の廃棄 この製品を廃棄処分する場合、 国の関係する全ての法律 ・ 条例に従い処理する必要が あり ます。 警告 本产品的废弃处理应根据所有国家的法律和规章进行。 警告 本產品的廢棄處理應根據所有國家的法律和規章進行。 Warnung Die Entsorgung dieses Produkts sollte gemäß allen Bestimmungen und Gesetzen des Landes erfolgen.

  • Page 24: Static-Sensitive Devices

    A1SA2-2750/2550F User’s Manual ‫القىانين واللىائح الىطنية‬ ‫جميع‬ ‫وفقا ل‬ ‫ينبغي التعامل معه‬ ‫هذا المنتج‬ ‫من‬ ‫التخلص النهائي‬ ‫عند‬ 경고! 이 제품은 해당 국가의 관련 법규 및 규정에 따라 폐기되어야 합니다. Waarschuwing De uiteindelijke verwijdering van dit product dient te geschieden in overeenstemming met alle nationale wetten en reglementen.

  • Page 25: Memory Support

    Chapter 2: Installation Memory Support The A1SA2-2750/2550F motherboard supports up to 64GB of DDR3 ECC VLP UDIMM 1600MHz in eight memory slots. Populating these DIMM modules with a pair of memory modules of the same type and same size will result in interleaved memory, which will improve memory performance.

  • Page 26: Populating Memory Modules

    A1SA2-2750/2550F User’s Manual Populating Memory Modules Note 1: Install the desired number of DIMMs into the memory slots, starting with DIMMA1, then DIMMB1, then DIMMA2, then DIMMB2. Pay attention to the notch along the bottom of the module to prevent incorrect DIMM module installation.

  • Page 27: Removing Memory Modules

    Chapter 2: Installation Removing Memory Modules Use your thumbs to gently push the side clips near both ends away from the module to release it from the socket. Once the module is loosened from the socket, pull the DIMMs module upwards. Note: Due to memory allocation to system devices, the amount of mem- ory that remains available for operational use will be reduced when 4 GB of RAM is used.

  • Page 28: Motherboard Installation

    A1SA2-2750/2550F User’s Manual Motherboard Installation All motherboards have standard mounting holes to fit different types of chassis. Make sure that the locations of all the mounting holes for both motherboard and chassis match. Although a chassis may have both plastic and metal mounting fas- teners, metal ones are highly recommended because they ground the motherboard to the chassis.

  • Page 29: Installing The Motherboard

    Chapter 2: Installation Installing the Motherboard 1. Install the I/O shield into the back of the chassis. 2. Locate the mounting holes on the motherboard. (See the previous page.) 3. Locate the matching mounting holes on the chassis. Align the mounting holes on the motherboard against the mounting holes on the chassis.

  • Page 30: Connectors/Io Ports

    A1SA2-2750/2550F User’s Manual Connectors/IO Ports The I/O ports are color coded in conformance with the industry standards. See the figure below for the colors and locations of the various I/O ports. Backplane I/O Panel Backplane I/O Panel JKVM1 USB0/1 LED7 (Top Side) IPMI_LAN LED8 (Bottom Side) P2 LAN 2/1...

  • Page 31: Ethernet Ports

    Chapter 2: Installation Ethernet Ports LAN Ports Pin Definition Four Gigabit Ethernet ports (P1 Pin# Definition LAN2/1, P2 LAN2/1) are located next P2V5SB SGND to the IPMI_LAN connector on the I/O TD0+ Act LED backplane to provide network connec- TD0- P3V3SB tions.

  • Page 32: Universal Serial Bus (Usb)

    A1SA2-2750/2550F User’s Manual Universal Serial Bus (USB) Back Panel USB-2.0 #0/1 Pin Definitions Two Universal Serial Bus 2.0 ports (0/1) Pin# Definition Pin# Definition are located on the I/O backplane to provide USB 2.0 support. USB cables USB_PN1 USB_PN0 are not included. See the table on the USB_PP1 USB_PP0 for pin definitions.

  • Page 33: Keyboard/Vga/Mouse

    Chapter 2: Installation Keyboard/VGA/Mouse A JKVM1 port is located next to the USB 0/1 connectors on the I/O backpanel. Use this port to connect to a compatible keyboard, VGA display, or mouse. JKVM1 USB0/1 LED7 (Top Side) IPMI_LAN LED8 (Bottom Side) A.

  • Page 34: Jumper Settings

    A1SA2-2750/2550F User’s Manual Jumper Settings Explanation of Jumpers To modify the operation of the mother- board, jumpers can be used to choose between optional settings. Jumpers create shorts between two pins to change the function of the connector. Pin 1 is identified with a square solder pad on the printed circuit board.

  • Page 35: Cmos Clear

    Chapter 2: Installation CMOS Clear JBT1 and JBT2 are used to clear the CMOS. Instead of pins, this "jumper" consists of contact pads to prevent accidental clearing of CMOS. To clear CMOS, use a metal object such as a small screwdriver to touch both pads at the same time to short the connection.

  • Page 36: Vga Enable

    A1SA2-2750/2550F User’s Manual VGA Enable VGA Enable Jumper JPG1 allows the user to enable the Jumper Settings onboard VGA connector for Node 1 and JPG2 Jumper Setting Definition enables the onboard VGA connector for Node Pins 1-2 Enabled (Default) 2. The default setting is pins 1-2 to enable Pins 2-3 Disabled the connection.

  • Page 37: Onboard Indicators

    Chapter 2: Installation Onboard Indicators Overheat/PWR Fail/Fan Fail Overheat/PWR Fail/Fan Fail LED LED Settings Color/State Definition An onboard Overheat/PWR Fail/ Fan Fail Solid Overheat LED is located at LED8. See the table on Blinking PWR Fail or Fan Fail the right for more information. BMC Heartbeat LED BMC Heartbeat LED A BMC Heartbeat LED for Node 1 is...

  • Page 38: Unit Identification Led

    A1SA2-2750/2550F User’s Manual Unit Identification LED UID LED Status Color/State OS Status A rear UID LED indicator (LED7) is located next to the I/O backplane. This UID Indicator Blue: On Windows OS Unit Identified provides easy identification of a system unit that may be in need of service.

  • Page 39: Onboard Power Led

    Chapter 2: Installation Onboard Power LED Power LED Settings Two onboard Power LEDs are located near Color/State Status the I/O backplane. The Power LED for Node Green: On Power On 1 is located at PLED1 and the Power LED for Orange Standby Node 2 is located at PLED2.

  • Page 40: Sata Connections

    A1SA2-2750/2550F User’s Manual SATA Connections Serial ATA Ports The SATA backplane slot located at J20 provides four Serial_ATA 3.0 HDD connec- tions. These ports provide serial-link signal connections, which are faster than the con- nections of Parallel ATA. See the table on the right for pin definitions.

  • Page 41: Chapter 3 Troubleshooting

    Chapter 3: Troubleshooting Chapter 3 Troubleshooting Troubleshooting Procedures Use the following procedures to troubleshoot your system. If you have followed all of the procedures below and still need assistance, refer to the ‘Technical Support Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter. Always disconnect the AC power cord before adding, changing or installing any hardware components.

  • Page 42: Memory Errors

    A1SA2-2750/2550F User’s Manual 2. Use the speaker to determine if any beep codes exist. (Refer to Appendix A for details on beep codes.) 3. Remove all memory modules and turn on the system. (If the alarm is on, check the specifications of memory modules, reset the memory or try a different one.) Memory Errors 1.

  • Page 43: Technical Support Procedures

    Chapter 3: Troubleshooting Technical Support Procedures Before contacting Technical Support, please make sure that you have followed all the steps listed below. Also, Note that as a motherboard manufacturer, Supermicro does not sell directly to end users, so it is best to first check with your distributor or reseller for troubleshooting services.

  • Page 44: Frequently Asked Questions

    A1SA2-2750/2550F User’s Manual Frequently Asked Questions Question: What type of memory does my motherboard support? Answer: The A1SA2-2750/2550F motherboard supports up to 64GB of DDR3 ECC VLP UDIMM 1600MHz. See Section 2-3 for details on installing memory. Question: How do I update my BIOS? Answer: We do NOT recommend that you upgrade your BIOS if you are not experiencing any problems with your system.

  • Page 45: Battery Removal And Installation

    Chapter 3: Troubleshooting Battery Removal and Installation Battery Removal To remove the onboard battery, follow the steps below: 1. Power off your system and unplug your power cable. 2. Locate the onboard battery as shown below. 3. Using a tool such as a pen or a small screwdriver, push the battery lock out- wards to unlock it.

  • Page 46: Returning Merchandise For Service

    A1SA2-2750/2550F User’s Manual Returning Merchandise for Service A receipt or copy of your invoice marked with the date of purchase is required before any warranty service will be rendered. You can obtain service by calling your vendor for a Returned Merchandise Authorization (RMA) number. For faster service, you may also obtain RMA authorizations online (http://www.supermicro.

  • Page 47: Chapter 4 Bios

    BIOS Introduction This chapter describes the AMI BIOS setup utility for the A1SA2-2750F mother- board. The ROM BIOS is stored in a Flash EEPROM and can be easily updated. This chapter describes the basic navigation of the AMI BIOS setup utility setup screens.

  • Page 48: Main Setup

    A1SA2-2750F User’s Manual How to Start the Setup Utility Normally, the only visible Power-On Self-Test (POST) routine is the memory test. As the memory is being tested, press the <Delete> key to enter the Main menu of the AMI BIOS setup utility. From the Main menu, you can access the other setup screens.
  • Page 49 Day MM/DD/YYYY format. The time is entered in HH:MM:SS format. Note: The time is in the 24-hour format. For example, 5:30 P.M. appears as 17:30:00. The following BIOS items will also be displayed: Model Name: Supermicro A1SA2-2750F Version Build Date Memory Information Total Memory This displays the total size of memory available in the system.

  • Page 50: Advanced Setup Configurations

    A1SA2-2750F User’s Manual Advanced Setup Configurations Use the arrow keys to select Boot Setup and press <Enter> to access the submenu items: Warning: Take Caution when changing the Advanced settings. An incorrect value, a very high DRAM frequency, or an incorrect timing setting may cause the system to be- come unstable.

  • Page 51: Power Configuration

    Chapter 4: AMI BIOS Wait For 'F1' If Error This feature forces the system to wait until the 'F1' key is pressed if an error oc- curs. The options are Disabled and Enabled. Interrupt 19 Capture Interrupt 19 is the software interrupt that handles the boot disk function. When this item is set to Immediate, the BIOS ROM of the host adaptors will immediately capture Interrupt 19 at bootup and allow the drives that are attached to these host adaptors to function as bootable disks.
  • Page 52 A1SA2-2750F User’s Manual SATA Mode This item selects SATA mode for the installed SATA drive specified by the user. The options are IDE and AHCI. IDE Mode (Available when the item above: SATA Mode is set to IDE) Select Legacy for the SATA port specified by the user to support a Legacy SATA device.

  • Page 53: Cpu Configuration

    Chapter 4: AMI BIOS CPU Configuration  The following CPU information will be displayed: • Processor ID • Processor Frequency • Microcode Revision • L1 Cache RAM • L2 L1 Cache RAM • Processor Version Clock Spread Spectrum If this feature is set to Enabled, the BIOS will monitor the level of Electromagnetic Interference caused by the components and will attempt to reduce the interference when needed.
  • Page 54 A1SA2-2750F User’s Manual CPU C State The CPU C-State architecture is a processor power management platform devel- oped by Intel to reduce power consumption by blocking clock cycles to the CPU during C1 State (Halt State). Select Enabled for CPU C-Sates support. The options are Auto, Enable, and Disable.

  • Page 55: Chipset Configuration

    Chapter 4: AMI BIOS VMX (Available when supported by the CPU) Select Enable to use Intel's Vanderpool Technology to allow one platform to run multiple operating systems and applications in independent partitions, creating multiple "virtual" systems in one physical computer. The options are Enable and Disable.
  • Page 56 A1SA2-2750F User’s Manual Patrol Scrub Enable Patrol Scrubbing is a process that allows the CPU to correct correctable memory errors detected on a memory module and send the correction to the requestor (the original source). When this item is set to Enabled, the IO hub will read and write back one cache line every 16K cycles, if there is no delay caused by internal pro- cessing.

  • Page 57: Acpi Settings

    Chapter 4: AMI BIOS Legacy USB Support Select Enabled to use legacy USB devices in the computer. Select Auto for your BIOS to automatically enable legacy USB support if a legacy USB device is detected in your computer. The options are Enabled, Disabled, and Auto. EHCI Hand-Off This item is for Operating Systems that do not support Enhanced Host Controller Interface (EHCI) hand-off.

  • Page 58: Super Io Configuration

    A1SA2-2750F User’s Manual Super IO Configuration  Super IO Chip AST2400 COM1 Configuration  Serial Port Select Enabled to enable the onboard serial port specified by the user. The op- tions are Enabled and Disabled. If the serial port selected by the user is enabled, the following items will be displayed.
  • Page 59 Chapter 4: AMI BIOS Bits Per second Use this feature to set the transmission speed for a serial port used in console redirection. Make sure that the same speed is used in the host computer and the client computer. A lower transmission speed may be required for long and busy lines.

  • Page 60: Console Redirection Settings (For Ems)

    A1SA2-2750F User’s Manual Legacy OS Redirection Resolution Use this feature to select the number of rows and columns used in console redirection for legacy OS support. The options are 80x24 and 80x25. Putty KeyPad This feature selects Function Keys and KeyPad settings for Putty, which is a terminal emulator designed for the Windows OS.
  • Page 61 Chapter 4: AMI BIOS Bits Per Second This item sets the transmission speed for a serial port used in console redirec- tion. Make sure that the same speed is used in the host computer and the client computer. A lower transmission speed may be required for long and busy lines. The options are 9600, 19200, 57600, and 115200 (bits per second).
  • Page 62 A1SA2-2750F User’s Manual PCIe/PCI/PnP Configuration  This feature allows the user to set the PCI/PnP configurations for the following items: VGA Palette Snoop Select Enabled to support VGA palette register snooping which will allow the a PCI card that does not contain its own VGA color palette to examine the palette of a video card and mimic it for proper color display.
  • Page 63 Chapter 4: AMI BIOS Maximum Payload Size Use this feature to set the maximum payload size for a PC-E slot. The options are Auto, 128 Bytes, and 256 Bytes. Maximum Read Request Select Auto to allow the system BIOS to automatically set the maximum Read Request size for a PCI-E device to enhance system performance.

  • Page 64: Ipmi Configuration

    A1SA2-2750F User’s Manual IPMI Configuration Intelligent Platform Management Interface (IPMI) is a set of common interfaces that are used to monitor system health of each computer connected to a network from a remote site. For more information on the IPMI specifications, please visit Intel's website at www.intel.com.
  • Page 65 Chapter 4: AMI BIOS Station IP Address Use this item to enter the IP address for this machine. This should be in decimal and in dotted quad form (i.e., 192.168.10.253). The value of each three-digit number separated by dots should not exceed 255. Subnet Mask Use this item to enter the IP address for subnet masks of this machine.

  • Page 66: Event Logs

    A1SA2-2750F User’s Manual Event Logs Change SMBIOS Event Log Settings  Enabling/Disabling Options SMBIOS Event Log Select Enabled to enable all features of the SMBIOS Event Logging at system bootup. The options are Enabled and Disabled. System Error Logging Select Enabled to enable system error logging, which will allow the BIOS to log system errors at system bootup.

  • Page 67: View Smbios Event Log

    Chapter 4: AMI BIOS Smbios Event Long Standard Settings SMBIOS Event Long Standard Settings Log System Boot Event This feature toggles the System Boot Event logging to enabled or disabled. The options are Disabled and Enabled. MECI This feature is used to specify the number of occurrences must occur before the Multiple Event Count Increment (MECI) counter is activated.

  • Page 68: Security Settings

    A1SA2-2750F User’s Manual Security Settings This menu allows the user to configure the following security settings for the system. Administrator Password Use this feature to set the Administrator Password which is required to enter the BIOS setup utility. The length of the password should be from 3 characters to 8 characters long.
  • Page 69 Chapter 4: AMI BIOS  Key Management This submenu allows the user to configure the following Key Management settings. Default Key Provision Select Enabled to install the default Secure-Boot keys set by the manufacturer. The options are Disabled and Enabled. ...
  • Page 70 A1SA2-2750F User’s Manual Authorized Signatures (DB)  Delete DB Select Yes to delete the database of "Authorized Signatures" from the manufac- turer's defaults. Select No to load the DB from a file. The options are Yes and No.  Set New DB Select Yes to load the DB database from the manufacturer's defaults.

  • Page 71: Boot Settings

    Chapter 4: AMI BIOS Boot Settings Use this feature to configure Boot Settings: This submenu allows the user to prioritize the sequence of bootable devices for the system to boot from. • Boot Order #1 • Boot Order #2 • Boot Order #3 •...
  • Page 72 A1SA2-2750F User’s Manual  Delete Driver Option This feature allows the user to delete a previously defined boot device from which the systems boots during startup. Delete Drive Option Select a bootable drive to remove it from the boot drive list so that the system can no longer boot from this drive.

  • Page 73: Save & Exit

    Chapter 4: AMI BIOS Save & Exit Select the Exit tab from the BIOS setup utility screen to enter the Exit BIOS Setup screen. Discard Changes and Exit Select this option to quit the BIOS Setup without making any permanent changes to the system configuration, and reboot the computer.
  • Page 74 A1SA2-2750F User’s Manual Restore Optimized Defaults To set this feature, select Restore Defaults from the Exit menu and press <Enter>. These are factory settings designed for maximum system stability, but not for maximum performance. Save As User Defaults To set this feature, select Save as User Defaults from the Exit menu and press <En- ter>.

  • Page 75: Appendix A Bios Error Beep Codes

    Appendix A: POST Error Beep Codes Appendix A BIOS Error Beep Codes During the POST (Power-On Self-Test) routines, which are performed each time the system is powered on, errors may occur. Non-fatal errors are those which, in most cases, allow the system to continue with bootup.
  • Page 76 A1SA2-2750/2550F User’s Manual Notes...

  • Page 77: Appendix B Software Installation Instructions

    Appendix B: Software Installation Instructions Appendix B Software Installation Instructions B-1 Installing Software Programs The Supermicro ftp site contains drivers and utilities for your system at ftp://ftp. supermicro.com. Some of these must be installed, such as the chipset driver. After accessing the ftp site, go into the CDR_Images directory and locate the ISO file for your motherboard.

  • Page 78: B-2 Installing Superdoctor5

    A1SA2-2750/2550F User’s Manual Note 1: Click the icons showing a hand writing on paper to view the readme files for each item. Click the computer icons to the right of these items to install each item (from top to the bottom) one at a time. After installing each item, you must re-boot the system before moving on to the next item on the list.
  • Page 79 Appendix B: Software Installation Instructions SuperDoctor 5 Interface Display Screen (Health Information) Note: The SuperDoctor 5 program and User’s Manual can be downloaded from the Supermicro web site at http://www.supermicro.com/products/nfo/ sms_sd5.cfm.
  • Page 80 A1SA2-2750/2550F User’s Manual Notes...

  • Page 81: Appendix C Uefi Bios Recovery Instructions

    Appendix C: UEFI BIOS Recovery Appendix C UEFI BIOS Recovery Instructions Warning: Do not upgrade the BIOS unless your system has a BIOS-related issue. Flashing the wrong BIOS can cause irreparable damage to the system. In no event shall Supermicro be liable for direct, indirect, special, incidental, or consequential damages arising from a BIOS update.
  • Page 82 A1SA2-2750/2550F User’s Manual To perform UEFI BIOS recovery using a USB-attached device, follow the instruc- tions below. 1. Using a different machine, copy the "Super.ROM" binary image file into the disc Root "\" Directory of a USB device or a writeable CD/DVD. Note: If you cannot locate the "Super.ROM"...
  • Page 83 Appendix C: UEFI BIOS Recovery 6. After the process of BIOS Recovery is complete, press any key to reboot the system. 7. Using a different system, extract the BIOS package into a bootable USB flash drive. 8. When a DOS prompt appears, enter AMI.BAT BIOSname.### at the prompt. Note: Do not interrupt this process until BIOS flashing is completed.
  • Page 84 A1SA2-2750/2550F User’s Manual 9. After seeing the message that BIOS update is completed, unplug the AC pow- er cable from the power supply to clear CMOS, and then plug the AC power cable in the power supply again to power on the system. 10.

  • Page 85: Appendix D Dual Boot Block

    Appendix D: Dual Boot Block Appendix D Dual Boot Block D-1 Introduction This motherboard supports the Dual Boot Block feature, which is the last-ditch mechanism to recover the BIOS boot block. This section provides an introduction to the feature. BIOS Boot Block A BIOS boot block is the minimum BIOS loader required to enable necessary hardware components for the BIOS crisis recovery flash that will update the main BIOS block.

  • Page 86: D-2 Steps To Reboot The System By Using Jumper Jbr1

    A1SA2-2750/2550F User’s Manual D-2 Steps to Reboot the System by Using Jumper JBR1 1. Power down the system. 2. Close pins 2-3 on Jumper JBR1, and power on the system. 3. Follow the BIOS recovery SOP listed in the previous chapter (Appendix C). 4.
  • Page 87 (Disclaimer Continued) The products sold by Supermicro are not intended for and will not be used in life support systems, medical equipment, nuclear facilities or systems, aircraft, aircraft devices, aircraft/emergency com- munication devices or other critical systems whose failure to perform be reasonably expected to result in significant injury or loss of life or catastrophic property damage.

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