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Supermicro H8DGG-QF User Manual

Supermicro H8DGG-QF User Manual

Revision 1.2
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  • Page 1 ® UPER H8DGG-QF USER’S MANUAL Revision 1.2...
  • Page 2 Clara County in the State of California, USA. The State of California, County of Santa Clara shall be the exclusive venue for the resolution of any such disputes. Supermicro's total liability for all claims will not exceed the price paid for the hardware product.

  • Page 3: About This Manual

    PC users. It provides information for the installation and use of the H8DGG-QF serverboard. The H8DGG-QF serverboard is based on the AMD® SR5690/SP5100 chipsets and supports two AMD Socket G34 type processors with up to 512 GB of DDR3 Registered ECC DDR3-1600/1333/1066 Mhz SDRAM or 128 GB of DDR3 Unbuffered ECC/non-ECC SDRAM in sixteen (16) DIMMs.
  • Page 4 H8DGG-QF SERVERBOARD USER'S MANUAL Notes...

  • Page 5: 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 diffi culty, Contact Supermicro's Technical Support department for assistance. Only certifi ed technicians should attempt to install or confi gure components.
  • Page 6 H8DGG-QF SERVERBOARD 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.

  • Page 7: Product Disposal

    Standardized Warning Statements Product Disposal Warning! Ultimate disposal of this product should be handled according to all national laws and regulations. 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. ¡Advertencia! Al deshacerse por completo de este producto debe seguir todas las leyes y reglamentos nacionales.
  • Page 8 H8DGG-QF SERVERBOARD USER'S MANUAL Notes viii...

  • Page 9: Table Of Contents

    Table of Contents Chapter 1 Introduction Overview ......................1-1 Checklist ......................1-1 Contacting Supermicro ..................1-2 H8DGG-QF Quick Reference ................. 1-5 Motherboard Features ..................1-6 Chipset Overview .................... 1-9 AMD SR5690/SP5100 Chipsets ..............1-9 HyperTransport Technology ................1-9 PC Health Monitoring ..................1-9 Power Confi...
  • Page 10 H8DGG-QF SERVERBOARD USER'S MANUAL USB Headers ....................2-11 SGPIO ...................... 2-12 Fan Headers ..................... 2-12 Power SMB (I C) ..................2-12 Chassis Intrusion ..................2-12 LAN1/2 (Ethernet Ports) ................2-13 IPMB ......................2-13 Overheat LED ................... 2-13 Video Connector ..................2-13 Unit Identifi...
  • Page 11 Table of Contents Chapter 3 Troubleshooting Troubleshooting Procedures ................3-1 Before Power On .................... 3-1 No Power ......................3-1 No Video ......................3-2 Memory Errors ....................3-2 Losing the System’s Setup Confi guration ............3-2 Technical Support Procedures ................ 3-2 Frequently Asked Questions ................
  • Page 12 H8DGG-QF SERVERBOARD USER'S MANUAL Notes...

  • Page 13: Chapter 1 Introduction

    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 14: Contacting Supermicro

    H8DGG-QF SERVERBOARD USER'S MANUAL 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.
  • Page 15 Chapter 1: Introduction Figure 1-1. H8DGG-QF Image...
  • Page 16 H8DGG-QF SERVERBOARD USER'S MANUAL Figure 1-2. H8DGG-QF Motherboard Layout (not drawn to scale) COM1 LAN2 LAN1 JBMC1 SR5690 SR5690 SP5100 JBT1 CPU1 BATTERY FAN6 FAN5 CPU2 FAN4 FAN2 JPI2C2 JPI2C1 Notes: Jumpers not indicated are for test purposes only. Not all ports, jumpers or LED Indicators are available on all serverboards.

  • Page 17: H8Dgg-Qf Quick Reference

    Chapter 1: Introduction H8DGG-QF Quick Reference Jumper Description Default Setting JBT1 CMOS Clear (See Section 2-7) JBMC1 BMC Enable/Disable Pins 1-2 (Enabled) JPG1 VGA Enable/Disable Pins 1-2 (Enabled) JPL1 LAN 1/2 Enable/Disable Pins 1-2 (Enabled) JWD1 Watch Dog Pins 1-2 (Reset)

  • Page 18: Motherboard Features

    Two (2) PCI-Express x8 (in x16 slot) Gen. 2 Note: Slot SBX-1A with slot 1 and slot SBX-2A with slot 2 require a SuperMicro riser card or add-on card to work properly. The riser cards need both the SBX and PCI-E slots on each side of the serverboard to be connected.
  • Page 19 Chapter 1: Introduction • CPU thermal trip support • C temperature sensing logic ACPI Features • Microsoft OnNow • Slow blinking LED for suspend state indicator • BIOS support for USB keyboard • Hardware BIOS Virus protection • Wake-On-LAN (WOL) •...

  • Page 20: System Block Diagram

    H8DGG-QF SERVERBOARD USER'S MANUAL DIMM A1 DIMM A1 HT3 Link DIMM A0 DIMM A0 DIMM B1 8x8-6.4GT/s DIMM B1 DIMM B0 HT3 Link Socket G34 Socket G34 DIMM B0 DIMM C1 8x8-6.4GT/s CPU2 CPU1 DIMM C1 DIMM C0 DIMM C0...

  • Page 21: Chipset Overview

    Chapter 1: Introduction Chipset Overview The H8DGG-QF serverboard is based on the dual AMD SR5690 and one SP5100 chipsets. These chipset functions as a Media and Communications Processors (MCP). Controllers for the system memory are integrated directly into AMD Opteron processors.

  • Page 22: Power Confi Guration Settings

    H8DGG-QF SERVERBOARD USER'S MANUAL CPU Overheat/Fan Fail LED and Control This feature is available when the user enables the CPU overheat/Fan Fail warning function in the BIOS. This allows the user to defi ne an overheat temperature. When this temperature is exceeded or when a fan failure occurs, the Overheat/Fan Fail warning LED is triggered.

  • Page 23: Power Supply

    It is even more important for processors that have high CPU clock rates. The H8DGG-QF serverboard requires the use of proprietary power supplies. Please refer to the pinout information for the power connectors in Section 7 of Chapter 2 for detailed information on power requirements.
  • Page 24 H8DGG-QF SERVERBOARD USER'S MANUAL The IRQs, DMAs and I/O space resources of the Super I/O can be fl exibly adjusted to meet ISA PnP requirements, which support ACPI and APM (Advanced Power Management). 1-12...

  • Page 25: Chapter 2 Installation

    Chapter 2: Installation Chapter 2 Installation Static-Sensitive Devices Electrostatic Discharge (ESD) can damage electronic com ponents. To prevent damage to your system board, it is important to handle it very carefully. The following measures are generally suffi cient to protect your equipment from ESD. Precautions •...

  • Page 26: Processor And Heatsink Installation

    H8DGG-QF SERVERBOARD USER'S MANUAL Processor and Heatsink Installation Warning: Exercise extreme caution when handling and installing the processor. Always connect the power cord last and always remove it before adding, removing or changing any hardware components. Installation Procedure Follow the procedures as listed below to install the motherboard into a chassis.
  • Page 27 Chapter 2: Installation 3. Use your thumb and your index fi nger to hold the CPU. Locate and align pin 1 of the CPU socket with pin 1 of the CPU. Both are marked with a triangle. 4. Align pin 1 of the CPU with pin 1 of the socket.

  • Page 28: Mounting The Motherboard Into A Chassis

    Check the Compatibility of the Motherboard Ports and the I/O Shield 1. The H8DGG-QF serverboard requires a chassis that can support a board of 7.74" x 16.64" (197 x 423 mm) in size. It was designed to be used in a Supermicro GPU system.
  • Page 29 (128-bit) memory, which is faster than non-interleaved (64-bit) memory. Maximum Memory Maximum memory for the H8DGG-QF serverboard is up to 512 GB of DDR3 Registered ECC or 128 GB of DDR3 Unbuffered ECC/non-ECC SDRAM. Figure 2-1. DIMM Installation...

  • Page 30: Dimm Module Population Confi Guration

    H8DGG-QF SERVERBOARD USER'S MANUAL Memory Population for Optimal Performance -For a Motherboard with One CPU (CPU1) Installed # DIMMS Channel 1 Channel 2 Channel 3 Channel 4 4 DIMMs CPU1 P1-1A P1-2A P1-3A P1-4A 8 DIMMs CPU1 P1-1A P1-1B P1-2A...

  • Page 31: Pci Expansion Cards

    Chapter 2: Installation Note 2: Due to memory allocation to system devices, the amount of memory that remains available for operational use will be reduced when 4 GB of RAM is used. The reduction in memory availability is disproportional. PCI Expansion Cards A riser card is used to support one standard size (full height full length) PCI expansion card.

  • Page 32: I/O Port And Control Panel Connections

    H8DGG-QF SERVERBOARD USER'S MANUAL I/O Port and Control Panel Connections The I/O ports are color coded in conformance with the PC99 specifi cation to make setting up your system easier. See Figure 2-2 below for the colors and locations of the various I/O ports.

  • Page 33: Connector Defi Nitions

    Chapter 2: Installation Connector Defi nitions Power Connectors ATX Power 20-pin Connector Pin Defi nitions Two 20-pin main power supply Pin # Defi nition Pin # Defi nition connectors (JPW1/JPW3) and two PS_ON_N GND1 8-pin GPU PWR connectors (JPW2/ 5V_STBY GND2 JPW4) on the motherboard.

  • Page 34: Reset Connector

    H8DGG-QF SERVERBOARD USER'S MANUAL Reset Connector Reset Button Pin Defi nitions The reset connector is located on (JF1) pins 3 and 4 of JF1 and attaches Pin# Defi nition to the reset switch on the computer Reset chassis. See the table on the right for Ground pin defi...

  • Page 35: Hdd Led

    Chapter 2: Installation HDD LED HDD LED Pin Defi nitions The HDD LED connections are located (JF1) on pins 13 and 14 of JF1. Attach a Pin# Defi nition hard-drive LED cable to display HDD or SATA activities. Refer to the table on HDD LED the right for pin defi...

  • Page 36: Sgpio

    H8DGG-QF SERVERBOARD USER'S MANUAL SGPIO SGPIO Header Pin Defi nitions (T-SGPIO1/T-SGPIO2) The T-SGPIO1/ T-SGPIO2 (Serial Pin# Defi nition Pin # Defi nition General Purpose Input/Output) Data headers provide a bus between the SATA controller and the backpane to Ground Data...

  • Page 37: Lan1/2 (Ethernet Ports)

    Chapter 2: Installation LAN1/2 (Ethernet Ports) LAN Ports (LAN1/2) Pin Defi nition Two Gigabit Ethernet ports (designated Pin# Defi nition Pin# Defi nition LAN1 and LAN2) are located beside P2V5SB SGND the VGA port. Additionally, there is a dedicated LAN for IPMI on top of the TD0+ Act LED two rear USB ports.

  • Page 38: Unit Identifi Er Button

    H8DGG-QF SERVERBOARD USER'S MANUAL Unit Identifi er Button UID Button Pin Defi nitions There is one Unit Identifier (UID) Pin# Defi nition button on the rear control I/O panel Ground and another UID button located on the control panel. When you push either...

  • Page 39: Jumper Settings

    Chapter 2: Installation Jumper Settings Connector Pins Explanation of Jumpers To modify the operation of the Jumper motherboard, jumpers can be used to choose between optional settings. Jumpers create shorts between two Setting pins to change the function of the connector.

  • Page 40: Bmc Jumper

    H8DGG-QF SERVERBOARD USER'S MANUAL BMC Jumper BMC Jumper Enable (JBMC1) Jumper Settings JBMC1 is used to enable or disable Jumper Setting Defi nition theBMC (Baseboard Management Pins 1-2 Enabled (default) Control) Chip and the onboard IPMI connection.This jumper is used...

  • Page 41: Onboard Indicators

    Chapter 2: Installation Onboard Indicators GLAN LEDs GLAN LED Activity Link Speed There are two LAN ports (LAN1/2) on the motherboard. Each Ethernet LAN port has two LEDs. The Yellow LED GLAN Activity Indicator on the right indicates connection and (Right) LED Settings activity.

  • Page 42: Power Led

    H8DGG-QF SERVERBOARD USER'S MANUAL Power LED Power LED (DP2) DP2 is an Onboard Power LED. State System Status When this LED is lit, it means power Standby power present is present on the serverboard. Be on motherboard sure to turn off the system and unplug...

  • Page 43: 2-11 Enabling Sata Raid

    OS installation. Building a Driver Diskette You must fi rst build a driver diskette from Supermicro drivers for your system. Drivers can be found at ftp://ftp.supermicro.com. (You will have to create this disk on a computer that is already running and with the OS installed.) Building a Driver Diskette 1.

  • Page 44: Enabling Sata Raid In The Bios

    H8DGG-QF SERVERBOARD USER'S MANUAL Enabling SATA RAID in the BIOS Before installing the Windows Operating System, you must change some settings in BIOS. Boot up the system and hit the <Del> key to enter the BIOS Setup Utlility. After the Setup Utility loads, 1.

  • Page 45: Using The Adaptec Raid Utility

    Chapter 2: Installation Figure 2-5.Adaptec RAID Utility Program Screen Using the Adaptec RAID Utility The Adaptec® RAID Utility program is where you can defi ne the drives you want to include in the RAID array and the mode and type of RAID. Installing the RAID Driver During OS Installation You may also use the procedure below to install the RAID driver during the Window's OS installation:...

  • Page 46: 2-12 Installing Drivers

    The Supermicro Website contains drivers and utilities for your system at ftp://ftp. supermicro.com, some of which must be installed, such as the chipset driver. After downloading and installing the drivers and utilities, the display shown in Figure 2-6 should appear.

  • Page 47: Supero Doctor Iii

    Chapter 2: Installation Supero Doctor III The SuperDoctor® III program is a Web base management tool that supports remote management capability. It includes Remote and Local Management tools. The local management is called SD III Client. The SuperDoctor III program included on the CD-ROM that came with your motherboard allows you to monitor the environment and operations of your system.
  • Page 48 H8DGG-QF SERVERBOARD USER'S MANUAL Figure 2-8. Supero Doctor III Interface Display Screen (Remote Control) Note: The SuperDoctor III program and User’s Manual can be downloaded from the Supermicro web site at http://www.supermicro.com/products/accessories/software/ SuperDoctorIII.cfm.For Linux, we recommend that you use the SuperoDoctor II application instead.

  • Page 49: 2-13 Serverboard Battery

    Chapter 2: Installation 2-13 Serverboard Battery Caution: There is a danger of explosion if the onboard battery is installed upside down, which will reverse its polarites (see Figure 2-9). This battery must be replaced only with the same or an equivalent type recommended by the manufacturer (CR2032).
  • Page 50 H8DGG-QF SERVERBOARD USER'S MANUAL Notes 2-26...

  • Page 51: 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 52: No Video

    H8DGG-QF SERVERBOARD USER'S MANUAL No Video 1. If the power is on but you have no video, remove all the add-on cards and cables. 2. Use the speaker to determine if any beep codes exist. Refer to Appendix A for details on beep codes.

  • Page 53: Frequently Asked Questions

    Frequently Asked Questions Question: What type of memory does my motherboard support? Answer: The H8DGG-QF serverboard supports up to 512 GB of Registered ECC or 128 GB of Unbuffered ECC/non-ECC of DDR3-1600/1333/1066 Mhz speed, 1 GB, 2 GB, 4 GB, 8 GB, 16 GB or 32 GB size SDRAM memory. Single/dual/tri/ quad channel confi...

  • Page 54: Returning Merchandise For Service

    H8DGG-QF SERVERBOARD USER'S MANUAL Question: What's on the CD that came with my motherboard? Answer: The supplied compact disc has quite a few drivers and programs that will greatly enhance your system. We recommend that you review the CD and install the applications you need.

  • Page 55: Chapter 4 Bios

    Chapter 4 BIOS Introduction This chapter describes the AMIBIOS™ Setup utility for the H8DGG-QF serverboard. The 16 Mb AMI BIOS® is stored in a fl ash chip and can be easily upgraded using a fl oppy disk-based program. Note: Due to periodic changes to the BIOS, some settings may have been added or deleted and might not yet be recorded in this manual.

  • Page 56: Main Menu

    H8DGG-QF SERVERBOARD USER'S MANUAL Main Menu When you fi rst enter AMI BIOS Setup Utility, you will see the Main Menu screen. You can always return to the Main Menu by selecting the Main tab on the top of the screen with the arrow keys.
  • Page 57 Chapter 4: BIOS Wait for F1 if Error This setting controls the system response when an error is detected during the boot sequence. When enabled, BIOS will stop the boot sequence when an error is detected, at which point you will need to press the F1 button to re-enter the BIOS setup menu.
  • Page 58 H8DGG-QF SERVERBOARD USER'S MANUAL Microcode Update This setting Enables or Disables microcode updating. Power Now This setting is used to Enable or Disable the AMD Power Now feature. ACPI SRAT Table This option Enables or Disables the building of the ACPI SRAT Table.
  • Page 59 Chapter 4: BIOS Power Down Mode This sets the DDR power down mode. Options are Auto, Channel and Chip Select. DRAM Parity Enable This sets the DRAM Parity Enable to either Auto, Enabled and Disabled. Bank Swizzle Mode This sets the Bank Swizzle Mode to either Auto, Enabled and Disabled. ...
  • Page 60 H8DGG-QF SERVERBOARD USER'S MANUAL L2 Cache BG Scrub Allows L2 cache RAM to be corrected when idle. Options are Disabled and various times in nanoseconds and microseconds. L3 Cache BG Scrub Allows L3 cache RAM to be corrected when idle. Options are Disabled and various times in nanoseconds and microseconds.
  • Page 61 Chapter 4: BIOS Power Saving Features Use this option to Enable or Disable power down saving features in the Southbridge chipset. This feature should be enabled for mobile systems and disabled for desktop systems. See the AMD SB700 Power Saving document for more details.
  • Page 62 H8DGG-QF SERVERBOARD USER'S MANUAL L1 Immediate ACK This setting allows you to Enable or Disable L1 ACK. When enabled, the L1 will be ACK'd immediately. Lane Reversal Use this setting to Enable or Disable Lane Reversal. Hot Plug Support Use this setting to set Hot Plug Support. Options include Disabled and Native.
  • Page 63 Chapter 4: BIOS TX Drive Strength Use this setting to confi gure TX drive strength. Options include Auto, 26mA, 20mA, 22mA and 24mA. TXCLK Clock Gating in L1 Use this setting to Enable or Disable the TXCLK clock gating in L1. LCLK Clock Gating in L1 Use this setting to Enable or Disable the LCLK clock gating in L1.
  • Page 64 H8DGG-QF SERVERBOARD USER'S MANUAL Unit ID Clumping Use this setting to confi gure Unit ID clumping. Options include Disabled, Auto, UnitID 2/3, UnitID B/C and UnitID 2/3 & B/C. HT Link Tristate This setting allwos you to confi gure the HT Link Tristate. Options include Auto, Disabled, CAD/CTL and CAD/CTL/CLK.
  • Page 65 Chapter 4: BIOS  USB Mass Storage Device Confi guration USB Mass Storage Reset Delay This option set the number of seconds that POST waits for the USB mass storage device after the Start Unit command. Options include 10 Sec, 20 Sec, 30 Sec and 40 Sec.
  • Page 66 H8DGG-QF SERVERBOARD USER'S MANUAL PIO Mode PIO (Programmable I/O) mode programs timing cycles between the IDE drive and the programmable IDE controller. As the PIO mode increases, the cycle time decreases. The options are Auto, 0, 1, 2, 3, and 4.
  • Page 67 Chapter 4: BIOS IDE Detect Timeout (Sec) Use the +/- keys to adjust and select the time out for detecting ATA/ATAPI devices. The default value is 35. ATA(PI) 80Pin Cable Detection This option selects the mechanism used for detecting the installation of an 80-pin ATA(PI) cable.
  • Page 68 H8DGG-QF SERVERBOARD USER'S MANUAL Offboard PCI/ISA IDE Card Some PCI IDE cards may require this option to be set to the PCI slot number that is holding the card. The Auto setting works for most PCI IDE cards. Options include Auto, PCI Slot 1, PCI Slot , PCI Slot 3, PCI Slot 4, PCI Slot 5 and PCI Slot 6.
  • Page 69 Chapter 4: BIOS   SuperI/O Confi guration Serial 1 Address This option specifi es the base I/O port address and Interrupt Request address of serial port 1. Select "Disabled" to prevent the serial port from accessing any system resources. When this option is set to Disabled, the serial port physically becomes unavailable.
  • Page 70 H8DGG-QF SERVERBOARD USER'S MANUAL Redirection After BIOS POST This option sets redirction after BIOS POST. Options are Disable (no redirection after BIOS POST), Boot Loader (redirection during POST and during boot loader) and Always (redirection always active). Note that some OS's may not work with this set to Always.
  • Page 71 Chapter 4: BIOS CPU Temperature Display (CTD) CPU Temperature descriptions are defi ned as: Low  [Tctl Value = Lowest Value, Tctl Value = -45] Medium  [Tctl Value = -46, Tctl Value = 60] High  [Tctl Value = -61 and Above] Note: Only CPU temperature (Low, Medium, High) and system temperature (RT1) are required to be displayed in BIOS and in-system monitoring software.

  • Page 72: View Bmc System Event Log

    H8DGG-QF SERVERBOARD USER'S MANUAL • All system fans are required to be returned to a normal, non-CPU-overheating LFSC condition. Condition When a CPU is overheating Front Panel Overheating LED On and Solid Red Onboard Buzzer or Speaker On and Continuous Sound...
  • Page 73 Chapter 4: BIOS Clear BMC System Event Log Selecting this and pressing the Enter key will clear the BMC system event log.  Set LAN Confi guration Use the "+" and "-" keys to choose the desired channel number. This displays Channel Number and Channel Number Status information.

  • Page 74: Security Menu

    H8DGG-QF SERVERBOARD USER'S MANUAL Mark all Events as Read Selecting this and pressing the Enter key marks all events as read in the event log. Clear Event Log Selecting this and pressing the Enter key clears the system event log.

  • Page 75: Boot Settings Menu

    Chapter 4: BIOS Boot Settings Menu   Boot Device Priority This feature allows you to prioritize the boot sequence from the list of available devices. A device that is in parenthesis has been disabled in the corresponding type menu. ...

  • Page 76: Exit Menu

    H8DGG-QF SERVERBOARD USER'S MANUAL Exit Menu Select the Exit tab from AMI BIOS Setup Utility screen to enter the Exit BIOS Setup screen. Save Changes and Exit When you have completed the system confi guration changes, select this option to leave BIOS Setup and reboot the computer, so the new system confi guration parameters can take effect.

  • Page 77: Appendix A Bios Error Beep Codes

    Appendix A: BIOS 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 the boot-up process.
  • Page 78 H8DGG-QF SERVERBOARD USER'S MANUAL Notes...

  • Page 79: Appendix B Bios Post Checkpoint Codes

    Appendix B: BIOS POST Checkpoint Codes Appendix B BIOS POST Checkpoint Codes When AMIBIOS performs the Power On Self Test, it writes checkpoint codes to I/O port 0080h. If the computer cannot complete the boot process, diagnostic equipment can be attached to the computer to read I/O port 0080h. B-1 Uncompressed Initialization Codes The uncompressed initialization checkpoint codes are listed in order of execution: Checkpoint...

  • Page 80: B-2 Bootblock Recovery Codes

    H8DGG-QF Serverboard User’s Manual B-2 Bootblock Recovery Codes The bootblock recovery checkpoint codes are listed in order of execution: Checkpoint Code Description The onboard fl oppy controller if available is initialized. Next, beginning the base 512 KB memory test. Initializing the interrupt vector table next.

  • Page 81: B-3 Uncompressed Initialization Codes

    Appendix B: BIOS POST Checkpoint Codes B-3 Uncompressed Initialization Codes The following runtime checkpoint codes are listed in order of execution. These codes are uncompressed in F0000h shadow RAM. Checkpoint Code Description The NMI is disabled. Next, checking for a soft reset or a power on condition. The BIOS stack has been built.
  • Page 82 H8DGG-QF Serverboard User’s Manual Checkpoint Code Description Bus initialization system, static, output devices will be done next, if present. See the last page for additional information. Completed post-video ROM test processing. If the EGA/VGA controller is not found, performing the display memory read/write test next.
  • Page 83 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description The memory above 1 MB has been tested and initialized. Saving the memory size information next. The memory size information and the CPU registers are saved. Entering real mode next. Shutdown was successful. The CPU is in real mode. Disabling the Gate A20 line, parity, and the NMI next.
  • Page 84 H8DGG-QF Serverboard User’s Manual Checkpoint Code Description Initialization before the C800 adaptor ROM gains control has completed. The adaptor ROM check is next. The adaptor ROM had control and has now returned control to BIOS POST. Performing any required processing after the option ROM returned control.

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