Supermicro MBD-H8DMU+-B manual

H8DMU+ USER’S MANUAL Revision 1.1a S UPER[...]

Manual Revision 1.1a Release Date: July 22, 2009 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 pers[...]

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 H8DMU+ serverboard. The H8DMU+ is based on the nV idia® MCP55 Pro chipset and supports single or dual AMD Opteron 2000 Series Socket F type processors and up to [...]

H8DMU+ 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 Power Button .......................................................................................... 2-1 1 USB Ports .............................................................................................. 2-1 1 USB Headers ......................................................................................... 2-12 S[...]

H8DMU+ User ’s Manual Chapter 3: T roubleshooting 3-1 T roubleshooting Procedures ........................................................................... 3-1 Before Power On ..................................................................................... 3-1 No Power .......................................................................[...]

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 H8DMU+ 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 Micro Compute[...]

Chapter 1: Introduction 1-3 Figure 1-1. H8DMU+ Image[...]

1-4 H8DMU+ User ’s Manual Notes: 1. Jumpers not indicated are for test purposes only . 2. There are no "USB2/3" ports or headers. Figure 1-2. H8DMU+ Serverboard Layout (not drawn to scale) Kybd/ Mouse USB0/1 COM1 VGA Battery LAN1 LAN2 UIOP SXB2: PCI-E x4 SXB2: PCI-E x8 SXB1: PCI-E x16 J32 JPW2 JPW1 CPU2 / DIMM 2A CPU2 / DIMM 2B CPU2 / D[...]

Chapter 1: Introduction 1-5 H8DM U+ Quick Referenc e Jumper Description Default Setting JBT1 CMOS Clear See Section 2-7 JCF1 Compact Flash Card Master/Slave Closed (Master) JD1 Onboard Speaker Pins 6-7 (Enabled JPG1 Onboard VGA Enable/Disable Pins 1-2 (Enabled) JI 2 C1/JI 2 C2 I 2 C to PCI-Express Enable/Disable Closed (Enabled) JWD Watch Dog Pins [...]

1-6 H8DMU+ User ’s Manual Serverboard Features CPU • Single or dual AMD 64-bit Socket F , Opteron 2000 type processors Memory • Sixteen dual/single channel DIMM slots supporting up to 64 GB of DDR2-800 /667/533 registered ECC SDRAM Note: Memory capacities are halved for single CPU systems. Refer to Section 2-4 before installing. Chipset • n[...]

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 • UIO (Universal Input/Output) ready • On-chip SA T A controller supporting six (6) SA T A ports (RAID 0, 1, 0+1, 5 a[...]

1-8 H8DMU+ User ’s Manual Figure 1-3. nVidia MCP55 Pro 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 2 A nVid ia MCP55 Pro AMD Socket F P roc es s o r (CP U2 ) 16 x 16 HT li nk (1[...]

Chapter 1: Introduction 1-9 1-2 Chipset Overview The H8DMU+ serverboard is based on the nVidia MCP55 Pro chipset. The nVidia MCP55 Pro functions as Media and Communications Processor (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 singl[...]

1-10 H8DMU+ User ’s Manual 1-3 PC Health Monitoring This section describes the PC health monitoring features of the H8DMU+. The serverboard has an onboard System Hardware Monitor chip that supports PC health monitoring. Onboard V oltage Monitors The onboard voltage monitor will scan these voltages continuously: CPU cores, Hyper T ransport (1.2V),[...]

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 H8DMU+ 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 H8DMU+ accommodates 12V A TX power supplies. Although most power sup- plies generally meet the speci fi cations required by t[...]

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 H8DMU+ User ’s Manual 1-7 UIO Th e H8 D MU+ i s a sp ec iall y- d esi gne d ser ver bo ard t hat fe atur es Su per mi cr o's UI O (Un iver s al I /O ) tec hn ol ogy. UIO se r ve rb oa rds h ave a PCI - E xp res s x4, x8 a nd x16 si gnal s th at ca n sup po r t PC I - E c ar ds or a ny one of sever al t yp es of U IO c ar d t yp es to ad[...]

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 H8DMU+ 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 and your in[...]

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 H8DMU+ User's Manual Installing the Heatsink The use of active type heatsinks (except for 1U systems) are recommended. 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 the Heats[...]

Chapter 2: Installation 2-5 2-3 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, meta[...]

2-6 H8DMU+ User's Manual Figure 2-2. Side and T op Views of DDR2 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 slot. Not[...]

Chapter 2: Installation 2-7 Notes: X indicates a pair of populated DIMM slots. If adding at least four DIMMs (with two CPUs installed), the con fi gurations with DIMMs spread over both CPUs will result in optimized performance. Note that the fi rst two DIMMs must be installed in the CPU1 memory slots. Populating Memory Banks for 128-bit Operation[...]

2-8 H8DMU+ 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 contains he[...]

Chapter 2: Installation 2-9 2-6 Connecting Cables A TX Power Connector The primary A TX power supply con- nector (JPW1) meets the SSI (Super- set A TX) 20-pin speci fi cation. Refer to the table on the right for the pin de fi nitions of the A TX power connec- tor . This connection supplies power to the chipset, fans and memory . Note: Y ou must a[...]

2-10 H8DMU+ User's Manual NIC1 LED The NIC1 (Network Interface Control- ler) LED connection is located on pins 1 1 and 12 of JF1. Attach the NIC1 LED cable to display network activity . Refer to the table on the right for pin de fi nitions. NIC2 LED The NIC2 (Network Interface Control- ler) LED connection is located on pins 9 and 10 of JF1. A[...]

Chapter 2: Installation 2-1 1 Power Fail LED The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table on the right for pin de fi ni- tions. This feature is only available for systems with redundant power supplies. Power Fail LED Pin De fi nitions (JF1) Pin# De fi nition 5 Vcc 6 Control Reset Button The Reset Button con[...]

2-12 H8DMU+ User's Manual Fan Headers The H8DMU+ has eight fan headers, which are designated F AN1 through F AN8. F AN7 and F AN8 (for active CPU heatsinks) are Pulse Width Modulated (PWM): their speed is controlled via a BIOS setting. See the table on the right for pin de fi nitions. Note: when using active heatsinks (those with fans), conne[...]

Chapter 2: Installation 2-13 A TX PS/2 Keyboard and PS/2 Mouse Ports The A TX PS/2 keyboard and the PS/2 mouse ports are located on the I/O backplane. The mouse is the top (green) port. See the table on the right for pin de fi nitions. PS/2 Keyboard and Mouse Port Pin De fi nitions Pin# De fi nition 1 Data 2N C 3 Ground 4 VCC 5 Clock 6N C Overhe[...]

2-14 H8DMU+ User's Manual W ake-On-LAN The W ake-On-LAN header is desig- nated JWOL. See the table on the right for pin de fi nitions. Y ou must have a LAN card with a W ake-On-LAN connector and cable to use the W ake- On-LAN feature. (Note: W ake-On-LAN from S3, S4, S5 are supported by LAN1. LAN2 sup- ports W ake-On-LAN from S1 only .) W ake[...]

Chapter 2: Installation 2-15 Compact Flash Power A Compact Flash Card Power Connector is located at JWF1. For the Compact Flash Card to work properly , you will fi rst need to connect the device's power cable to JWF1 and correctly set the Compact Flash Jumper (JCF1). Compact Flash Power Header Pin De fi nitions (JWF1) Pin# De fi nition 1 +5[...]

2-16 H8DMU+ 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 th e ope 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 an 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 so ld er p[...]

Chapter 2: Installation 2-17 Note: Wh en e na bl ed , th e us er ne ed s to wr i te th ei r ow n ap pl ic at io n so f t wa re i n or- de r to di sa bl e th e Wat ch D og t im er. W atch Dog JWD controls W atch Dog, a system monitor that takes action when a soft- ware application freezes the system. Jumping pins 1-2 will cause WD to reset the syste[...]

2-18 H8DMU+ User's Manual Compact Flash Master/Slave The JCF1 jumper allows you to assign either master or slave status a compact fl ash card installed in IDE1. See the table on the right for jumper settings. Compact Flash Master/Slave Jumper Settings (JCF1) Jumper Setting De fi nition Closed Master Open Slave I 2 C to PCI - E xpr es s Ena b[...]

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 H8DMU+ User's Manual 2-9 Floppy , IDE and SA T A 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 34 wires and [...]

Chapter 2: Installation 2-21 IDE Connector There are no jumpers to con- fi gure the onboard IDE#1 con- nector . See the table on the right for pin de fi nitions. IDE Drive Connector 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 Data 6 6 Host Data 9 7 Host Data 5 8 Host Da[...]

2-22 H8DMU+ User's Manual 2-10 Enabling SA T A RAID Serial A T A (SA T A) Serial A T A (SA T A) is a physical storage interface that employs a single cable with a minimum of four wires to create a point-to-point connection between devices. This connection is a serial link. The serial cables used in SA T A are thinner than the traditional cable[...]

Chapter 2: Installation 2-23 2. Use the arrow keys to move to Advanced > Floppy/IDE/SA T A Con fi guration > nVidia RAID Setup and press the <Enter> key . Once in the submenu, enable the "nVidia RAID Function" setting. 3. Hit the <F10> key to "Save Changes and Exit", then hit <Enter> to verify . 4. After[...]

2-24 H8DMU+ User's Manual Figure 2-5. SA T A RAID Utility: Main Screen Figure 2-6. SA T A RAID Utility: Array List[...]

Chapter 2: Installation 2-25 2-1 1 Installing Drivers After all the hardware and operating system have been installed, you need to install certain drivers. The necessary drivers are all included on the Supermicro CD that came packaged with your serverboard. After inserting this CD into your CD-ROM drive, the display shown in Figure 2-7 should appea[...]

2-26 H8DMU+ 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 H8DMU+ 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 that you use[...]

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 H8DMU+ 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 system. W[...]

Chapter 4: BIOS 4-1 Chapter 4 BIOS 4-1 Introduction This chapter describes the AMIBIOS™ Setup utility for the H8DMU+. 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 [...]

4-2 H8DMU+ 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 of the A[...]

Chapter 4: BIOS 4-3 W ait 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. The options are Enabled and Disabled. ACPI Mode Use thi[...]

4-4 H8DMU+ User ’s Manual Restore on AC Power Loss This setting allows you to choose how the system will react when power returns after an unexpected loss of power . The options are Power Of f, Power On and Last State. MPS Revision This setting allows the user to select the MPS revision level. The options are 1.1 and 1.4.MPS Revision This setting[...]

Chapter 4: BIOS 4-5 LBA/Large Mode LBA (Logical Block Addressing) is a method of addressing data on a disk drive. The options are Disabled and Auto . 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. [...]

4-6 H8DMU+ User ’s Manual 32-Bit Data T ransfer Select "Enabled" to activate the function of 32-Bit data transfer . Select "Dis- abled" to deactivate the function. The options are Enabled and Disabled .  Serial A T A0/1/2 Primary/Secondary Channel Highlight one of the items above and press <Enter> to access the sub- m[...]

Chapter 4: BIOS 4-7 S.M.A.R.T . Self-Monitoring Analysis and Reporting T echnology (SMART) can help predict impending drive failures. Select "Auto" to allow BIOS to auto detect hard disk drive support. Select "Disabled" to prevent AMI BIOS from using the S.M.A.R.T . Select "Enabled" to allow AMI BIOS to use the S.M.A.R[...]

4-8 H8DMU+ User ’s Manual Clear NVRAM Select Y es to clear NVRAM during boot-up. The options are Y es and No . Plug & Play OS Select Y es to allow the OS to con fi gure Plug & Play devices (this is not required for system boot if your system has an OS that supports Plug & Play). Select No to allow AMIBIOS to con fi gure all devices [...]

Chapter 4: BIOS 4-9  Advanced Chipset Control  NorthBridge Con fi guration  Memory Con fi guration Bank Interleaving Select Auto to automatically enable interleaving-memory scheme when this function is supported by the processor . The options are Auto and Disabled. Enable Clock to All DIMMs Use this setting to enable unused clocks to all[...]

4-10 H8DMU+ User ’s Manual  ECC Con fi guration ECC Mode This setting affects the DRAM scrub rate based on its setting. Options are Disabled, Basic, Good, Super , Max and User . DRAM ECC Enable DRAM ECC allows hardware to report and correct memory errors automatically . Options are Enabled and Disabled. DRAM Scrub Redirect Allows system to co[...]

Chapter 4: BIOS 4-1 1 DRAM Timing Mode This setting speci fi es the DRAM timing mode. Options are Auto and DCT . Alternate VID Specify the alternate VID while in low power states. Options are Auto and various voltages from .800V to 1.150V in increments of .025V .  SouthBridge/MCP55 Con fi guration CPU/LDT Spread Spectrum Settings are Disabled,[...]

4-12 H8DMU+ User ’s Manual  USB Mass Storage Device Con fi guration This submenu allows you to configure USB mass storage class devices. USB Mass Storage Reset Delay This setting allows you to specify the number of seconds POST waits for the USB mass storage device after the Start Unit command. Options are 10, 20 , 30 or 40 seconds. Emulation[...]

Chapter 4: BIOS 4-13  Processor & Clock Options This submenu lists CPU information and the following settings: MTRR Mapping This determines the method used for programming CPU MTRRs when 4 GB or more memory is present. The options are Continuous , which makes the PCI hole non-cacheable, and Discrete, which places the PCI hole below the 4 GB [...]

4-14 H8DMU+ User ’s Manual Serial Port2 Address This option speci fi es the base I/O port address and Interrupt Request address of serial port 2. Select "Disabled" to prevent the serial port from accessing any system resources. When this option is set to "Disabled", the serial port physi- cally becomes unavailable. Select &qu[...]

Chapter 4: BIOS 4-15 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 are ANSI , VT100 a[...]

4-16 H8DMU+ User ’s Manual F AN1 Speed through F AN8 Reading The speeds of the onboard fans (in rpm) are displayed here. Other items in the submenu are systems monitor displays for the following information: CPU1 T emperature, CPU2 T emperature (for dual CPU systems), System T emperature, VCoreA, VCoreB (for dual CPU systems), HT V oltage, CPU1 M[...]

Chapter 4: BIOS 4-17  Subnet Mask Use the "+" and "-" keys to select the parameter . The subnet address and current subnet address in the BMC are shown.  Set PEF Con fi guration PEF Support Use this setting to Enable or Disable PEF support. When enabled, the following four settings are accessible. BMC W atch Dog Timer Act[...]

4-18 H8DMU+ User ’s Manual 4-5 Security Menu AMI BIOS provides a Supervisor and a User password. If you use both passwords, the Supervisor password must be set fi rst. Change Supervisor Password Select this option and press <Enter> to access the sub menu, and then type in the password. Change User Password Select this option and press <[...]

Chapter 4: BIOS 4-19 Load Optimal Defaults T o load optimal default settings, select this setting and press <Enter>. Then Se- lect "OK" to allow BIOS to automatically load the Optimal Defaults as the BIOS Settings. The Optimal settings are designed for maximum system performance, but may not work best for all computer applications. [...]

4-20 H8DMU+ User ’s Manual Notes[...]

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 H8DMU+ 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 H8DMU+ 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 internal[...]

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 H8DMU+ 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 settings next.[...]

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 H8DMU+ 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 and cleared[...]

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[...]

B-8 H8DMU+ User ’s Manual Notes[...]