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S
UPER
®
H8DM3-2
H8DMi-2
USER'S MANUAL
Revision 1.1a

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Summary of Contents for Supero Supero H8DM3-2

  • Page 1 UPER ® H8DM3-2 H8DMi-2 USER’S MANUAL Revision 1.1a...
  • 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

    Series Socket F type processors and up to 64 GB of DDR2-667 or 32 GB of DDR2- 533/400 registered ECC SDRAM. Please refer to the serverboard specifi cations pages on our web site for updates on supported processors (http://www.supermicro.com/aplus/). This product is intended to be professionally installed. Manual Organization Chapter 1 includes a checklist of what should be included in your serverboard box, describes the features, specifi...
  • Page 4: Table Of Contents

    H8DM3-2/H8DMi-2 User’s Manual Table of Contents Chapter 1: Introduction Overview ......................1-1 Checklist ....................1-1 Contacting Supermicro ................1-2 H8DM3-2/H8DMi-2 Image ................ 1-3 H8DM3-2/H8DMi-2 Serverboard Layout ..........1-4 H8DM3-2/H8DMi-2 Quick Reference ............1-5 Serverboard Features ................1-6 nVidia nVidia MCP55 Pro Chipset: System Block Diagram ....1-7 Chipset Overview ...................
  • Page 5 Table of Contents Serial Ports ..................... 2-12 Fan Headers ..................2-12 Power LED/Speaker/Keylock ..............2-13 Overheat LED ..................2-13 Chassis Intrusion ..................2-13 Wake-On-LAN ..................2-13 Wake-On-Ring ..................2-14 Power Supply I C Header ..............2-14 LAN1/2 (Ethernet Ports) ................. 2-14 Power Supply Fail Alarm Reset Header ..........
  • Page 6 H8DM3-2/H8DMi-2 User’s Manual No Video ....................3-1 Memory Errors ..................3-2 Losing the System’s Setup Confi guration ..........3-2 Technical Support Procedures ................ 3-2 Frequently Asked Questions ................3-3 Returning Merchandise for Service ..............3-4 Chapter 4: BIOS Introduction ..................... 4-1 Main Menu ......................
  • Page 7: Chapter 1: Introduction

    Chapter 1: Introduction Chapter 1 Introduction Overview Checklist Congratulations on purchasing your computer serverboard from an acknowledged leader in the industry. Our 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 serverboard.
  • Page 8: Contacting Supermicro

    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...
  • Page 9: H8Dm3-2/H8Dmi-2 Image

    Chapter 1: Introduction Figure 1-1. H8DM3-2/H8DMi-2 Image Notes: H8DM3-2 is pictured. The H8DMi-2 has the same layout as the H8DM3-2 but with no SAS components or ports.
  • Page 10: H8Dm3-2/H8Dmi-2 Serverboard Layout

    H8DM3-2/H8DMi-2 User’s Manual Figure 1-2. H8DM3-2/H8DMi-2 Serverboard Layout (not drawn to scale) JPWF J1B1 JPW1 FAN1 Mouse JPW2 CPU1 DIMM 1B JOH1 USB0/1 CPU1 DIMM 1A COM1 CPU1 DIMM 2B CPU1 DIMM 2A CPU2 FAN2 COM1 FAN3 CPU1 LAN1 CPU2 DIMM 2A CPU2 DIMM 2B LAN2 CPU2 DIMM 1A...
  • Page 11: H8Dm3-2/H8Dmi-2 Quick Reference

    Chapter 1: Introduction H8DM3-2/H8DMi-2 Quick Reference Jumpers Description Default Setting Power Supply Fail Detect Closed (Enabled) JBT1 CMOS Clear See Section 2-7 JCF1 Compact Flash Master/Slave Closed (Master) C1/2 C to PCI-X Enable/Disable Pins 2-3 (Disabled) C3/4 C to PCI-E Enable/Disable Pins 2-3 (Disabled) JPG1 VGA Enable/Disable...
  • Page 12: Serverboard Features

    H8DM3-2/H8DMi-2 User’s Manual Serverboard Features • Single or dual AMD Opteron 2000 Series Socket F type processors Memory • Eight dual/single channel DIMM slots supporting up to 64 GB of DDR2-667 or 32 GB of DDR2-533/400 registered ECC SDRAM Note: Memory capacities are halved for single CPU systems. Refer to Section 2-4 before installing. Chipset •...
  • Page 13 Chapter 1: Introduction ACPI Features • Microsoft OnNow • Slow blinking LED for suspend state indicator • BIOS support for USB keyboard • Main switch override mechanism • Internal/external modem ring-on Onboard I/O • On-chip SATA controller supporting six (6) SATA ports (RAID 0, 1, 0+1, 5 and JBOD) •...
  • Page 14: System Block Diagram

    H8DM3-2/H8DMi-2 User’s Manual DDR2-667/533/400 128-bit data + 16-bit ECC 128-bit data + 16-bit ECC DDR2-667/533/400 16 x 16 HT link (1 GHz) DIMM 2A DIMM 2A DIMM 2B DIMM 2B AMD Socket F AMD Socket F DIMM 1A DIMM 1A CPU2 CPU1 DIMM 1B...
  • Page 15: Chipset Overview

    Chapter 1: Introduction Chipset Overview The H8DM3-2/H8DMi-2 serverboard is based on the nVidia MCP55 Pro/AMD-8132 chipset. The nVidia MCP55 Pro functions as Media and Communications Proces- sor (MCP). Controllers for the system memory are integrated directly into the AMD Opteron processors. MCP55 Pro Media and Communications Processor The MCP55 Pro is a single-chip, high-performance HyperTransport peripheral con- troller.
  • Page 16: Pc Health Monitoring

    H8DM3-2/H8DMi-2 User’s Manual PC Health Monitoring This section describes the PC health monitoring features of the H8DM3-2/H8DMi- 2. The serverboard has an onboard System Hardware Monitor chip that supports PC health monitoring. Onboard Voltage Monitors for two CPU cores, 3.3V, +5Vin, +12Vin, +5V standby and battery The onboard voltage monitor will scan these voltages continuously.
  • Page 17: Power Confi Guration Settings

    Chapter 1: Introduction Power Confi guration Settings This section describes the features of your serverboard that deal with power and power settings. Microsoft OnNow The OnNow design initiative is a comprehensive, system-wide approach to system and device power control. OnNow is a term for a PC that is always on but appears to be off and responds immediately to user or other requests.
  • Page 18: Power Supply

    H8DM3-2/H8DMi-2 User’s Manual Wake-On-Ring Header (JWOR) Wake-up events can be triggered by a device such as the external modem ringing when the system is in the SoftOff state. Note that external modem ring-on can only be used with an ATX 2.01 (or above) compliant power supply. Power Supply As with all computer products, a stable power source is necessary for proper and reliable operation.
  • Page 19: Super I/O

    Chapter 1: Introduction Super I/O The disk drive adapter functions of the Super I/O chip include a fl oppy disk drive controller that is compatible with industry standard 82077/765, a data separator, write pre-compensation circuitry, decode logic, data rate selection, a clock genera- tor, drive interface control logic and interrupt and DMA logic.
  • Page 20 H8DM3-2/H8DMi-2 User’s Manual Notes 1-14...
  • Page 21: Chapter 2: Installation

    Chapter 2: Installation Chapter 2 Installation Static-Sensitive Devices Electrostatic Discharge (ESD) can damage electronic com ponents. To prevent dam- age 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 22: Processor And Heatsink Installation

    H8DM3-2/H8DMi-2 User's Manual Processor and Heatsink Installation Exercise extreme caution when handling and installing the proces- sor. Always connect the power cord last and always remove it be- fore adding, removing or changing any hardware components. Installing the CPU Backplates Two CPU backplates (BKT-0011L) have been preinstalled to the serverboard to prevent the CPU area of the serverboard from bending and to provide a base for attaching the heatsink retention modules.
  • Page 23 Chapter 2: Installation 3. Align pin 1 of the CPU with pin 1 of the socket. Once aligned, carefully place the CPU into the socket. Do not drop the CPU on the socket, move the CPU horizontally or vertically or rub the CPU against the socket or against any pins of the socket, which may damage the CPU and/or the socket.
  • Page 24 CPU socket. Note: BKT-0012L is included for use with non-proprietary heatsinks only. When installing Supermicro heatsinks, only BKT-0011L (the CPU backplate) is needed. The BKT-0012L retention module was designed to provide compatibility with clip- and-cam type heatsinks from third parties.
  • Page 25: Mounting The Serverboard Into A Chassis

    Chapter 2: Installation Mounting the Serverboard into a Chassis All serverboards and motherboards have standard mounting holes to fi t different types of chassis. Make sure that the locations of all the mounting holes for both the serverboard and the chassis match. Although a chassis may have both plastic and metal mounting fasteners, metal ones are highly recommended because they ground the serverboard to the chassis.
  • Page 26 H8DM3-2/H8DMi-2 User's Manual Support The H8DM3-2/H8DMi-2 supports single or dual-channel, DDR2-667/533/400 reg- istered ECC SDRAM. Both interleaved and non-interleaved memory are supported, so you may populate any number of DIMM slots (see note on previous page and charts on following page).
  • Page 27 Chapter 2: Installation Populating Memory Banks for 128-bit Operation CPU1 CPU1 CPU1 CPU1 CPU2 CPU2 CPU2 CPU2 DIMM1A DIMM1B DIMM2A DIMM2B DIMM1A DIMM1B DIMM2A DIMM2B Notes: X indicates a populated DIMM slot. If adding at least four DIMMs (with two CPUs installed), the confi...
  • Page 28: I/O Port And Control Panel Connections

    H8DM3-2/H8DMi-2 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 2-3 below for the colors and locations of the various I/O ports. Figure 2-3.
  • Page 29: Connecting Cables

    Chapter 2: Installation Connecting Cables ATX Power 24-pin Connector Pin Defi nitions (J1B1) ATX Power Connector Pin# Defi nition Pin # Defi nition +3.3V +3.3V The primary ATX power supply con- -12V +3.3V nector (J1B1) meets the SSI (Super- set ATX) 24-pin specifi cation. Refer to PS_ON the table on the right for the pin defi...
  • Page 30: Hdd Led

    H8DM3-2/H8DMi-2 User's Manual HDD LED HDD LED The HDD (IDE Hard Disk Drive) LED Pin Defi nitions (JF1) connection is located on pins 13 and Pin# Defi nition 14 of JF1. Attach the IDE hard drive LED cable to display disk activity. HD Active Refer to the table on the right for pin defi...
  • Page 31: Reset Button

    Chapter 2: Installation Reset Button Reset Button Pin Defi nitions (JF1) The Reset Button connection is lo- Pin# Defi nition cated on pins 3 and 4 of JF1. Attach it to the hardware reset switch on the Reset computer case. Refer to the table on Ground the right for pin defi...
  • Page 32: Atx Ps/2 Keyboard/Mouse Ports

    H8DM3-2/H8DMi-2 User's Manual ATX PS/2 Keyboard and PS/2 Keyboard and Mouse Port Pin PS/2 Mouse Ports Defi nitions Pin# Defi nition The ATX PS/2 keyboard and the Data PS/2 mouse ports are located on the IO backplane. The mouse is the top Ground (green) port.
  • Page 33: Power Led/Speaker/Keylock

    Chapter 2: Installation Power LED/Speaker/Keylock PWR LED Connector Pin Defi nitions (JF2) Pin# Defi nition On JF2, pins 2, 4, and 6 are for the +Vcc power LED, pins 1, 3, 5 and 7 are for the speaker and pins 8 and 10 are for Control the keylock.
  • Page 34: Wake-On-Ring

    H8DM3-2/H8DMi-2 User's Manual Wake-On-Ring Wake-On-Ring Pin Defi nitions (JWOR) The Wake-On-Ring header is desig- Pin# Defi nition nated JWOR. This function allows Ground (Black) your computer to receive and "wake- Wake-up up" by an incoming call to the modem when in suspend state. See the table on the right for pin defi...
  • Page 35: Power Supply Fail Alarm Header

    Chapter 2: Installation Power Supply Fail Alarm Power Supply Fail Header Alarm Header Pin Defi nitions (JPWF) Connect a cable from your power Pin# Defi nition supply to JPWF to provide you with P/S 1 Fail Signal warning of a power supply failure. P/S 2 Fail Signal The warning signal is passed through P/S 3 Fail Signal...
  • Page 36: Jumper Settings

    H8DM3-2/H8DMi-2 User's Manual Jumper Settings Explanation of Jumpers To modify the operation of the Connector serverboard, jumpers can be used to Pins choose between optional settings. Jumpers create shorts between two pins to change the function of the Jumper connector. Pin 1 is identifi ed with a square solder pad on the printed circuit board.
  • Page 37: I C To Pci-X Enable/Disable

    Chapter 2: Installation C to PCI-X Enable/Disable The JI C1/2 pair of jumpers allows you to connect the System Management C to PCI-X Enable/Disable Jumper Settings Bus to the PCI-X expansion slots. The C1/2) default setting is disabled. Both con- Jumper Setting Defi...
  • Page 38: Pci-X Slot Speed

    H8DM3-2/H8DMi-2 User's Manual PCI-X Slot Speed PCI-X Slot Speed Jumper Settings (JPX1A/JPX1B) Jumper JPXA1 on the H8DM3-2/ Jumper Setting Defi nition H8DMi-2 is used to change the speed Open Auto of PCI-X slots #1 & 2. Jumper JPXB1 Pins 1-2 PCI-X 66 MHz is used to change the speed of PCI-X Pins 2-3...
  • Page 39: Onboard Indicators

    Flashing IT Firmware 1. Download the appropriate IT fi rmware from the web site: ftp://ftp.supermicro.com/driver/SAS/LSI/Firmware/IT/ 2. Unzip it to a bootable fl oppy or USB pen. 3. With JPS1 on (closed) boot to the device with the unzipped fi rmware and type "clear"...
  • Page 40: Floppy, Ide, Sata And Sas Drive Connections

    H8DM3-2/H8DMi-2 User's Manual Floppy, IDE, SATA and SAS Drive Connections Use the following information to connect the fl oppy and hard disk drive cables. The fl oppy disk drive cable has seven twisted wires. A red mark on a wire typically designates the location of pin 1. A single fl...
  • Page 41: Ide Connector

    Chapter 2: Installation IDE Connector IDE Drive Connectors Pin Defi nitions (IDE#1) Pin# Defi nition Pin # Defi nition There are no jumpers to con- fi gure the onboard IDE#1 con- Reset IDE Ground nector unless using it for a Host Data 7 Host Data 8 compact flash device.
  • Page 42: Sata Ports

    H8DM3-2/H8DMi-2 User's Manual SATA Drive Ports Pin Defi nitions (SATA0-SATA5) SATA Ports Pin # Defi nition Ground There are no jumpers to con- fi gure the SATA ports, which are designated SATA0 through Ground SATA5. See the table on the right for pin defi...
  • Page 43: 2-10 Enabling Sata Raid

    OS installation. Building a Driver Diskette You must fi rst build a driver diskette from the Supermicro CD-ROM that was included with the system. (You will have to create this disk on a computer that is already running and with the OS installed.) Insert the CD into your CD-ROM drive and...
  • Page 44 H8DM3-2/H8DMi-2 User's Manual 1. Use the arrow keys to move to the Exit menu. Scroll down with the arrow keys to the "Load Optimal Defaults setting and press <Enter>. Select "OK" to confi rm, then <Enter> to load the default settings. 2.
  • Page 45: 2-11 Installing Additional Drivers

    Chapter 2: Installation 2-11 Installing Additional Drivers The CD that came bundled with the system contains software drivers, some of which must be installed, such as the chipset driver. After inserting this CD into your CD- ROM drive, the display shown in Figure 2-5 should appear. (If this display does not appear, click on the My Computer icon and then on the icon representing your CD-ROM drive.
  • Page 46 H8DM3-2/H8DMi-2 User's Manual Notes 2-26...
  • Page 47: 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 48: Memory Errors

    H8DM3-2/H8DMi-2 User's Manual NOTE If you are a system integrator, VAR or OEM, a POST diagnostics card is recommended. For I/O port 80h codes, refer to App. B. Memory Errors 1. Make sure that the DIMM modules are properly and fully installed. 2.
  • Page 49: Frequently Asked Questions

    Chapter 3: Troubleshooting 3. If you still cannot resolve the problem, include the following information when contacting us for technical support: Serverboard model and PCB revision number BIOS release date/version (this can be seen on the initial display when your system fi...
  • Page 50: Returning Merchandise For Service

    For faster service, RMA authorizations may be requested online (http://www. supermicro.com/support/rma/). This warranty only covers normal consumer use and does not cover damages in- curred in shipping or from failure due to the alteration, misuse, abuse or improper maintenance of products.
  • Page 51: Chapter 4: Bios

    Chapter 4: BIOS Chapter 4 BIOS Introduction This chapter describes the AMIBIOS™ Setup utility for the H8DM3-2/H8DMi-2. The AMI ROM 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 52: Main Menu

    H8DM3-2/H8DMi-2 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. The Main Menu screen provides you with a system overview, which includes the version, built date and ID of the AMIBIOS, the type, speed and number of the processors in the system and the amount of memory installed in the system.
  • Page 53 Chapter 4: BIOS Boot up Num-Lock Set this value to allow the Number Lock setting to be modifi ed during boot up. The options are On and Off. PS/2 Mouse Support Set this value to modify support for a PS/2 mouse. The options are Auto, En- abled and Disabled.
  • Page 54 H8DM3-2/H8DMi-2 User’s Manual Headless Mode Use this setting to Enable or Disable headless operation mode through ACPI. MCP55 ACPI HPET Table Use this setting to either Enable or Disable the MCP55 ACPI HPET table. Power Confi guration Power Button Mode Allows the user to change the function of the power button.
  • Page 55 Chapter 4: BIOS CPU Confi guration MThe submenu lists CPU information and the following settings: GART Error Reporting This setting is used for testing only (setting should be disabled). Microcode Update This setting is used to Enable or Disable updating the microcode. Secure Virtual Machine Mode This setting is used to Enable or Disable SVM.
  • Page 56 H8DM3-2/H8DMi-2 User’s Manual Onboard Floppy Controller Use this setting to Enable or Disable the onboard fl oppy controller. Onboard IDE Controller There is a single fl oppy controller on the motherboard, which may be Enabled or Disabled with this setting. Serial ATA Devices This setting is used to determine if SATA drives will be used and how many.
  • Page 57 Chapter 4: BIOS 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. Select Auto to allow AMI BIOS to auto detect the PIO mode.
  • Page 58 H8DM3-2/H8DMi-2 User’s Manual Block (Multi-Sector Transfer) Block mode boosts IDE drive performance by increasing the amount of data transferred. Only 512 bytes of data can be transferred per interrupt if block mode is not used. Block mode allows transfers of up to 64 KB per interrupt. Select "Disabled"...
  • Page 59 Chapter 4: BIOS Hard Disk Write Protect Select Enabled to enable the function of Hard Disk Write Protect to prevent data from being written to HDD. The options are Enabled or Disabled. IDE Detect Time Out (Sec) This feature allows the user to set the time-out value for detecting ATA, ATA PI devices installed in the system.
  • Page 60 H8DM3-2/H8DMi-2 User’s Manual PCI IDE BusMaster Set this value to allow or prevent the use of PCI IDE busmastering. Select "Enabled" to allow AMI BIOS to use PCI busmaster for reading and writing to IDE drives. The options are Disabled and Enabled. Offboard PCI/ISA IDE Card This option allows the user to assign a PCI slot number to an Off-board PCI/ISA IDE card in order for it to function properly.
  • Page 61 Chapter 4: BIOS resources. When this option is set to "Disabled", the serial port physically becomes unavailable. Select "2F8/IRQ3" to allow the serial port to use 2F8 as its I/O port address and IRQ 3 for the interrupt address. The options are Disabled, 2F8/IRQ3, 3E8/IRQ4 and 2E8/IRQ3.
  • Page 62 H8DM3-2/H8DMi-2 User’s Manual Chipset Confi guration NorthBridge Confi guration Memory Confi guration Bank Interleaving Select Auto to automatically enable a bank-interleaving memory scheme when this function is supported by the processor. The options are Auto and Disabled. Channel Interleaving Selects the channel-interleaving memory scheme when this function is supported by the processor.
  • Page 63 Chapter 4: BIOS Power Down Mode This sets the power down mode. Options are Channel and Chip Select. ECC Confi guration DRAM ECC Enable DRAM ECC allows hardware to report and correct memory errors automati- cally. Options are Enabled and Disabled. DRAM Scrub Redirect Allows system to correct DRAM ECC errors immediately, even with background scrubbing on.
  • Page 64 H8DM3-2/H8DMi-2 User’s Manual Alternate VID Specify the alternate VID while in low power states. Options are Auto and vari- ous voltages from .800V to 1.050V in increments of .025V. SouthBridge Confi guration CPU/LDT Spread Spectrum Enables spread spectrum for the CPU/LDT. Options are Center Spread, Down Spread or Disabled.
  • Page 65 Chapter 4: BIOS USB 2.0 Controller Mode Select the controller mode for your USB ports. Options are HiSpeed and FullSpeed. (HiSpeed=480 Mbps, FullSpeed=12 Mbps). BIOS EHCI Hand-Off Enable or Disable a workaround for OS's without EHCI hand-off support. Event Log Confi guration View Event Log Highlight this item and press <Enter>...
  • Page 66: System Health Monitor

    H8DM3-2/H8DMi-2 User’s Manual Redirection 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. Terminal Type Selects the type of the target terminal.
  • Page 67: Boot Menu

    Chapter 4: BIOS FAN1 Speed through FAN8 Reading The speeds of the onboard fans (in rpm) are displayed here. Boot Menu This feature allows the user to confi gure the following items: Boot Device Priority This feature allows the user to prioritize the boot sequence from the available devices.
  • Page 68: Exit Menu

    H8DM3-2/H8DMi-2 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 69: 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 70 H8DM3-2/H8DMi-2 User’s Manual Notes...
  • Page 71: 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. Uncompressed Initialization Codes The uncompressed initialization checkpoint codes are listed in order of execution: Checkpoint...
  • Page 72 H8DM3-2/H8DMi-2 User’s Manual 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. Initializing the DMA and Interrupt controllers next.
  • Page 73 Appendix B: BIOS POST Checkpoint Codes 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 74 H8DM3-2/H8DMi-2 User’s Manual Checkpoint Code Description Interrupt vector initialization is done. Clearing the password if the POST DIAG switch is on. Any initialization before setting video mode will be done next. Initialization before setting the video mode is complete. Confi guring the mono- chrome mode and color mode settings next.
  • Page 75 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description The memory below 1 MB has been cleared via a soft reset. Clearing the memory above 1 MB next. The memory above 1 MB has been cleared via a soft reset. Saving the memory size next.
  • Page 76 H8DM3-2/H8DMi-2 User’s Manual Checkpoint Code Description The password was checked. Performing any required programming before WIN- BIOS Setup next. The programming before WINBIOS Setup has completed. Uncompressing the WINBIOS Setup code and executing the AMIBIOS Setup or WINBIOS Setup utility next.
  • Page 77 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description Returned from adaptor ROM at E000h control. Performing any initialization required after the E000 option ROM had control next. Initialization after E000 option ROM control has completed. Displaying the system confi guration next. Uncompressing the DMI data and executing DMI POST initialization next.
  • Page 78 H8DM3-2/H8DMi-2 User’s Manual Notes...

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