Supermicro H8DM3-2 manual

H8DM3-2 H8DMi-2 USER’S MANUAL Revision 1.1a S UPER ®[...]

Manual Revision 1.1a Release Date: October 9, 2008 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, makes no commitment to update or to keep current the information in this manual, or to notify any pe[...]

Preface iii Preface About This Manual This manual is written for system integrators, PC technicians and knowledgeable PC users. It provides information for the installation and use of the H8DM3-2/H8DMi-2 serverboard. The H8DM3-2/H8DMi-2 is based on the nV idia® MCP55 Pro/AMD-8132 chipset and supports single or dual AMD Opteron TM 2000 Series Socke[...]

H8DM3-2/H8DMi-2 User ’s Manual T able of Contents Chapter 1: Introduction 1-1 Overview ......................................................................................................... 1-1 Checklist ................................................................................................... 1-1 Contacting Supermicro ...............[...]

v T able of Contents Serial Ports ............................................................................................. 2-12 Fan Headers .......................................................................................... 2-12 Power LED/Speaker/Keylock ................................................................. 2-13 Overheat LED[...]

H8DM3-2/H8DMi-2 User ’s Manual No Video .................................................................................................. 3-1 Memory Errors ......................................................................................... 3-2 Losing the System’s Setup Con fi guration ................................................ 3-2[...]

Chapter 1: Introduction 1-1 Chapter 1 Introduction 1-1 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 a[...]

1-2 H8DM3-2/H8DMi-2 User ’s Manual Contacting Supermicro Headquarters Address: Super Micro Computer , Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. T el: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (T echnical Support) Web Site: www .supermicro.com Europe Address: Super Micr[...]

Chapter 1: Introduction 1-3 Notes: H8DM3-2 is pictured. The H8DMi-2 has the same layout as the H8DM3-2 but with no SAS components or ports. Figure 1-1. H8DM3-2/H8DMi-2 Image[...]

1-4 H8DM3-2/H8DMi-2 User ’s Manual Notes: 1. Jumpers not indicated are for test purposes only . 2. The H8DMi-2 has the same layout as the H8DM3-2 but with no SAS components or ports or I-button. 3. The I-Button (optional) is used to enable RAID 5. 4. For SAS RAID, SR a nd IT m ode s are s upp or ted bu t not I R . Figure 1-2. H8DM3-2/H8DMi-2 Serv[...]

Chapter 1: Introduction 1-5 H8DM3-2/H8DMi-2 Quick Reference Jumpers Description Default Setting J3P Power Supply Fail Detect Closed (Enabled) JBT1 CMOS Clear See Section 2-7 JCF1 Compact Flash Master/Slave Closed (Master) JI 2 C1/2 I 2 C to PCI-X Enable/Disable Pins 2-3 (Disabled) JI 2 C3/4 I 2 C to PCI-E Enable/Disable Pins 2-3 (Disabled) JPG1 VGA[...]

1-6 H8DM3-2/H8DMi-2 User ’s Manual Serverboard Features CPU • 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 inst[...]

Chapter 1: Introduction 1-7 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 SA T A controller supporting six (6) SA T A ports (RAID 0, 1, 0+1, 5 and JBOD) • LSI 1068E SAS controller ([...]

1-8 H8DM3-2/H8DMi-2 User ’s Manual Figure 1-3. nVidia MCP55 Pro/AMD-8132 Chipset: System Block Diagram Note: This is a general block diagram and may not exactly represent the features on your serverboard. See the previous pages for the actual speci fi cations of your serverboard. DI MM 1B DI MM 1A DI MM 1 B DI MM 1 A nVid ia MC P 5 5 Pro AMD Soc[...]

Chapter 1: Introduction 1-9 1-2 Chipset Overview The H8DM3-2/H8DMi-2 serverboard is based on the nVidia MCP55 Pro/AMD-8132 chipset. The nV idia 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[...]

1-10 H8DM3-2/H8DMi-2 User ’s Manual 1-3 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 V oltage Monitors for two CPU cores, 3.3V , +5Vin, +12V in, +5V standby and battery The onboard volta[...]

Chapter 1: Introduction 1-1 1 1-4 Power Con fi 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 a[...]

1-12 H8DM3-2/H8DMi-2 User ’s Manual 1-5 Power Supply As with all computer products, a stable power source is necessary for proper and reliable operation. It is even more important for processors that have high CPU clock rates. The H8DM3-2/H8DMi-2 accommodates 12V A TX power supplies. Although most power supplies generally meet the speci fi catio[...]

Chapter 1: Introduction 1-13 1-6 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[...]

1-14 H8DM3-2/H8DMi-2 User ’s Manual Notes[...]

Chapter 2: Installation 2-1 Chapter 2 Installation 2-1 Static-Sensitive Devices Electrostatic Discharge (ESD) can damage electronic com ponents. T o prevent dam- age to your system board, it is important to handle it very carefully . The following measures are generally suf fi cient to protect your equipment from ESD. Precautions • Use a grounde[...]

2-2 H8DM3-2/H8DMi-2 User's Manual ! 2-2 Processor and Heatsink Installation Installing the Processor (install to the CPU#1 socket fi rst) 1. Begin by removing the cover plate that protects the CPU. Lift the lever on CPU socket #1 until it points straight up. With the lever raised, lift open the silver CPU retention plate. 2. Use your thumb an[...]

Chapter 2: Installation 2-3 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 . 4. With the CPU inserted i[...]

2-4 H8DM3-2/H8DMi-2 User's Manual Installing the Heatsink The use of active type heatsinks are recommended (except for 1U systems). Con- nect the heatsink fans to the appropriate fan headers on the serverboard. T o install the heatsinks, please follow the installation instructions included with your heatsink package (not included). Installing [...]

Chapter 2: Installation 2-5 2-3 Mounting the Serverboard into a Chassis All serverboards and motherboards have standard mounting holes to fi t dif ferent 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, met[...]

2-6 H8DM3-2/H8DMi-2 User's Manual Figure 2-2. Side and T op Views of DDR Installation T o Install: Insert module vertically and press down until it snaps into place. The release tabs should close - if they do not you should close them yourself. T o Remove: Use your thumbs to gently push each re- lease tab outward to release the DIMM from the s[...]

Chapter 2: Installation 2-7 Populating Memory Banks for 128-bit Operation CPU1 DIMM1A CPU1 DIMM1B CPU1 DIMM2A CPU1 DIMM2B CPU2 DIMM1A CPU2 DIMM1B CPU2 DIMM2A CPU2 DIMM2B XX XX XX XX XX XX XXXX XXXX XXXXXX XXXX XX XXXXXXXX XX XXXX XX XX XXXXXX Populating Memory Banks for 64-bit Operation CPU1 DIMM1A CPU1 DIMM1B CPU1 DIMM2A CPU1 DIMM2B CPU2 DIMM1A CP[...]

2-8 H8DM3-2/H8DMi-2 User's Manual 2-5 I/O Port and Control Panel Connections The I/O ports are color coded in conformance with the PC99 speci fi 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. I/O Port Locations and De fi nitions Front Control Panel JF1 co[...]

Chapter 2: Installation 2-9 2-6 Connecting Cables A TX Power Connector The primary A TX power supply con- nector (J1B1) meets the SSI (Super- set A TX) 24-pin speci fi cation. Refer to the table on the right for the pin de fi ni- tions of the A TX 24-pin power connec- tor . This connection supplies power to the chipset, fans and memory . Note: Y [...]

2-10 H8DM3-2/H8DMi-2 User's Manual Overheat/Fan Fail LED Connect an LED to the OH connection on pins 7 and 8 of JF1 to provide ad- vanced warning of chassis overheat- ing. Refer to the table on the right for pin de fi nitions and status indicators. NIC1 LED The NIC1 (Network Interface Control- ler) LED connection is located on pins 1 1 and 12[...]

Chapter 2: Installation 2-1 1 Reset Button The Reset Button connection is lo- cated on pins 3 and 4 of JF1. Attach it to the hardware reset switch on the computer case. Refer to the table on the right for pin de fi nitions. Power Button The Power Button connection is located on pins 1 and 2 of JF1. Mo- mentarily contacting both pins will power on/[...]

2-12 H8DM3-2/H8DMi-2 User's Manual Fan Headers The H8DM3-2/H8DMi-2 has eight fan headers, which are designated F AN1 through F AN8. F AN7 and F AN8 are for 4-pin Pulse Width Modulated (PWM) fans and are to be connected to the CPU heatsink fans. Their speed is controlled via Thermal Management with a BIOS setting. F AN1 through F AN6 are 3-pin,[...]

Chapter 2: Installation 2-13 Overheat LED Connect an LED to the JOH1 header to provide warning of chassis over- heating. See the table on the right for pin de fi nitions. Overheat LED Pin De fi nitions (JOH1) Pin# De fi nition 1 3.3V 2 OH Active Power LED/Speaker/Keylock On JF2, pins 2, 4, and 6 are for the power LED, pins 1, 3, 5 and 7 are for [...]

2-14 H8DM3-2/H8DMi-2 User's Manual W ake-On-Ring The W ake-On-Ring header is desig- nated JWOR. This function allows your computer to receive and "wake- up" by an incoming call to the modem when in suspend state. See the table on the right for pin de fi nitions. Y ou must have a W ake-On-Ring card and cable to use this feature. W ak[...]

Chapter 2: Installation 2-15 Power Supply Fail Alarm Header Connect a cable from your power supply to JPWF to provide you with warning of a power supply failure. The warning signal is passed through the PWR_LED pin to indicate a power failure. See the table on the right for pin de fi nitions. Power Supply Fail Alarm Header Pin De fi nitions (JPWF[...]

2-16 H8DM3-2/H8DMi-2 User's Manual 2-7 J u m p e r S et t i n g s Explanation of Jump ers T o mo dif y the o pe rati on of t he ser verboard, jumpers can be used to choose between optional se tt ings. Jum per s c reate s hor ts b et ween t wo p in s to ch a n g e th e fu nc ti o n of th e c onne ct or . Pin 1 i s ide nti fi ed with a squ are [...]

Chapter 2: Installation 2-17 I 2 C to PCI -X En ab le /D is abl e The JI 2 C 1 /2 pa ir o f ju mp er s al lo ws y ou to c onn ec t th e Syste m Ma nag eme nt Bus to t he P CI -X expans ion s lots . The def ault s et tin g is di sab le d. Bot h c on - ne cto rs m ust b e set t he sa me ( JI 2 C1 i s fo r dat a and J I 2 C2 i s for t he c lo ck). Se [...]

2-18 H8DM3-2/H8DMi-2 User's Manual PCI-X Slot Speed Jumper JPXA1 on the H8DM3-2/ H8DMi-2 is used to change the speed of PCI-X slots #1 & 2. Jumper JPXB1 is used to change the speed of PCI-X slot #3. See the tables on the right for jumper settings. PCI-X Slot Speed Jumper Settings (JPX1A/JPX1B) Jumper Setting De fi nition Open Auto Pins 1-[...]

Chapter 2: Installation 2-19 2-8 Onboard Indicators LAN1/LAN2 LEDs The Ethernet ports (located beside the VGA port) have two LEDs. On each Gb LAN port, one LED indicates activity when blinking while the other LED may be amber or off to indicate the speed of the connection. See the table on the right for the func- tions associated with the connectio[...]

2-20 H8DM3-2/H8DMi-2 User's Manual 2-9 Floppy , IDE, SA T A 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 oppy disk drive ribbon cable has[...]

Chapter 2: Installation 2-21 IDE Connector There are no jumpers to con- fi gure the onboard IDE#1 con- nector unless using it for a compact flash device. See the table on the right for pin de fi nitions. IDE Drive Connectors Pin De fi nitions (IDE#1) Pin# De fi nition Pin # De fi nition 1 Reset IDE 2 Ground 3 Host Data 7 4 Host Data 8 5 Host D[...]

2-22 H8DM3-2/H8DMi-2 User's Manual SA T A Ports There are no jumpers to con- fi gure the SA T A ports, which are designated SA T A0 through SA T A5. See the table on the right for pin de fi nitions. SA T A Drive Ports Pin De fi nitions (SA T A0-SA T A5) Pin # De fi nition 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground SAS Ports Pin De [...]

Chapter 2: Installation 2-23 2-10 Enabling SA T A RAID Now that the hardware is set up, you can install the operating system and the SA T A RAID drivers, if you wish to utilize SA T A RAID. The installation procedure differs depending on whether you wish to have the operating system installed on a RAID array or on a separate non-RAID drive. See the[...]

2-24 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 con fi rm, then <Enter> to load the default settings. 2. Use the arrow keys to move to Advanced > Floppy/IDE/SA T A Con fi gur[...]

Chapter 2: Installation 2-25 Figure 2-5. Driver/T ool Installation Display Screen Click the icons showing a hand writing on paper to view the readme fi les 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 should reboot the system before [...]

2-26 H8DM3-2/H8DMi-2 User's Manual Notes[...]

3-1 Chapter 3: T roubleshooting Chapter 3 T roubleshooting 3-1 T roubleshooting 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 ‘T echnical Support Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter . [...]

3-2 H8DM3-2/H8DMi-2 User's Manual NOTE If you are a system integrator , V AR 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. Y ou should be using registered ECC DDR-2 memory (see next page). Also, it is recommended tha[...]

3-3 Chapter 3: T roubleshooting 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 rst boots up)  System con fi guration An example of a T [...]

3-4 H8DM3-2/H8DMi-2 User's Manual Question: Why can't I turn off the power using the momentary power on/off switch? Answer: The instant power of f function is controlled in BIOS by the Power But- ton Mode setting. When the On/Off feature is enabled, the serverboard will have instant off capabilities as long as the BIOS has control of the [...]

Chapter 4: BIOS 4-1 Chapter 4 BIOS 4-1 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 rec[...]

4-2 H8DM3-2/H8DMi-2 User ’s Manual 4-2 Main Menu When you fi rst enter AMI BIOS Setup Utility , you will see the Main Menu screen. Y ou 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[...]

Chapter 4: BIOS 4-3 Boot up Num-Lock Set this value to allow the Number Lock setting to be modi fi 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. W ait for ‘F1’ If Error Select Enable to activate the W ait for F1 if Error functi[...]

4-4 H8DM3-2/H8DMi-2 User ’s Manual Headless Mode Use this setting to Enable or Disable headless operation mode through ACPI. MCP55 ACPI HPET T able Use this setting to either Enable or Disable the MCP55 ACPI HPET table. Power Con fi guration Power Button Mode Allows the user to change the function of the power button. Options are On/Off and Susp[...]

Chapter 4: BIOS 4-5  CPU Con fi 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[...]

4-6 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 A T A Devices This setting is used to determine if SA T A drives will be us[...]

Chapter 4: BIOS 4-7 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. Use this value if the IDE disk drive support cannot be d[...]

4-8 H8DM3-2/H8DMi-2 User ’s Manual Block (Multi-Sector T ransfer) 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" to allow the data to be tra[...]

Chapter 4: BIOS 4-9 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 A T A, A T A PI devices installed in the system. The options are [...]

4-10 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 t[...]

Chapter 4: BIOS 4-1 1 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. Serial Port 2 Mode T ells BIOS whic[...]

4-12 H8DM3-2/H8DMi-2 User ’s Manual  Chipset Con fi guration  NorthBridge Con fi guration  Memory Con fi 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-interle[...]

Chapter 4: BIOS 4-13 Power Down Mode This sets the power down mode. Options are Channel and Chip Select.  ECC Con fi 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 backgr[...]

4-14 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 Con fi guration CPU/LDT Spread Spectrum Enables spread spectrum for the CPU/LDT . Options are Center Spread , Down Spread or Disabled. PCIE Sp[...]

Chapter 4: BIOS 4-15 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 Con fi guration View Event Log Highlight this item and press <Enter&g[...]

4-16 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. T erminal T ype Selects the type of the target terminal. Options a[...]

Chapter 4: BIOS 4-17 F AN1 Speed through F AN8 Reading The speeds of the onboard fans (in rpm) are displayed here. 4-4 Boot Menu This feature allows the user to con fi gure the following items:  Boot Device Priority This feature allows the user to prioritize the boot sequence from the available devices.  Removable Drives This feature allows [...]

4-18 H8DM3-2/H8DMi-2 User ’s Manual 4-6 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 con fi guration changes, select this option to leave BIOS Setup and reboot the computer , so the new system con fi guration parameters can take eff[...]

Appendix A BIOS Error Beep Codes During the POST (Power-On Self-T est) 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. The error messages normally appear on the screen. Fatal errors are those which will not allow t[...]

A-2 H8DM3-2/H8DMi-2 User ’s Manual Notes[...]

B-1 Appendix B: BIOS POST Checkpoint Codes Appendix B BIOS POST Checkpoint Codes When AMIBIOS performs the Power On Self T est, 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 uncompr[...]

B-2 H8DM3-2/H8DMi-2 User ’s Manual Checkpoint Code Description E0h The onboard fl oppy controller if available is initialized. Next, beginning the base 512 KB memory test. E1h Initializing the interrupt vector table next. E2h Initializing the DMA and Interrupt controllers next. E6h Enabling the fl oppy drive controller and T imer IRQs. Enabling[...]

B-3 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description 03h The NMI is disabled. Next, checking for a soft reset or a power on condition. 05h The BIOS stack has been built. Next, disabling cache memory . 06h Uncompressing the POST code next. 07h Next, initializing the CPU and the CPU data area. 08h The CMOS checksum calculation is do[...]

B-4 H8DM3-2/H8DMi-2 User ’s Manual Checkpoint Code Description 25h Interrupt vector initialization is done. Clearing the password if the POST DIAG switch is on. 27h Any initialization before setting video mode will be done next. 28h Initialization before setting the video mode is complete. Con fi guring the mono- chrome mode and color mode setti[...]

B-5 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description 4Ch The memory below 1 MB has been cleared via a soft reset. Clearing the memory above 1 MB next. 4Dh The memory above 1 MB has been cleared via a soft reset. Saving the memory size next. Going to checkpoint 52h next. 4Eh The memory test started, but not as the result of a soft [...]

B-6 H8DM3-2/H8DMi-2 User ’s Manual Checkpoint Code Description 86h The password was checked. Performing any required programming before WIN- BIOS Setup next. 87h The programming before WINBIOS Setup has completed. Uncompressing the WINBIOS Setup code and executing the AMIBIOS Setup or WINBIOS Setup utility next. 88h Returned from WINBIOS Setup an[...]

B-7 Appendix B: BIOS POST Checkpoint Codes Checkpoint Code Description A9h Returned from adaptor ROM at E000h control. Performing any initialization required after the E000 option ROM had control next. Aah Initialization after E000 option ROM control has completed. Displaying the system con fi guration next. Abh Uncompressing the DMI data and exec[...]