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Supero SUPER i2DMR-8G2 User Manual

Supermicro i2dmr-8g2 motherboards: user guide
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SUPER i2DMR-8G2
SUPER i2DMR-iG2
USER'S MANUAL
Revision 1.0

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  • Page 1 ® UPER SUPER i2DMR-8G2 SUPER i2DMR-iG2 USER’S MANUAL Revision 1.0...
  • Page 2 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. Unless you request and receive written permission from SUPER MICRO COMPUTER, you may not copy any part of this document.

  • Page 3: Preface

    This manual is written for system integrators, PC technicians and knowledgeable PC users. It provides information for the installation and use of the SUPER i2DMR-8G2/i2DMR-iG2 motherboard. The SUPER i2DMR-8G2/ i2DMR-iG2 supports single or dual Intel Itanium MHz front side bus.

  • Page 4: Table Of Contents

    Checklist ... 1-1 Contacting Supermicro ... 1-2 Super i2DMR-8G2/i2DMR-iG2 Image ... 1-3 Super i2DMR-8G2/i2DMR-iG2 Layout ... 1-4 Super i2DMR-8G2/i2DMR-iG2 Quick Reference ... 1-5 Motherboard Features ... 1-6 Intel E7505 Chipset: System Block Diagram ... 1-9 Chipset Overview ... 1-10 Special Features ... 1-11 Recovery from AC Power Loss ...
  • Page 5 Overheat LED ... 2-14 Reset Button ... 2-15 Power Button ... 2-15 Universal Serial Bus (USB0/1, USB2/3) ... 2-15 Front Panel Universal Serial Bus Headers (USB4/5) ... 2-16 Serial Ports ... 2-16 GLAN (Ethernet Port) ... 2-16 Chassis Intrusion ... 2-16 Fan Headers ...
  • Page 6 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Technical Support Procedures ... 3-2 Frequently Asked Questions ... 3-3 Returning Merchandise for Service ... 3-4 Chapter 4: BIOS Introduction ... 4-1 Main BIOS Setup ... 4-2 Advanced Setup ... 4-3 PCI/PnP Configuration ... 4-11 Security Setup ... 4-12 Exit Options ...

  • Page 7: Chapter 1 Introduction

    Check that the following items have all been included with your mother- board. If anything listed here is damaged or missing, contact your retailer. One (1) Supermicro Itanium2 Mainboard One (1) ribbon cable for IDE devices (CBL-036) One (1) heatsink retention(w/Mounting screws) (SKT-0147-RM-IT2)

  • Page 8: Contacting Supermicro

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Contacting Supermicro Headquarters Address: SuperMicro 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: SuperMicro Computer B.V.

  • Page 9: Super I2Dmr-8G2/I2Dmr-Ig2 Image

    Chapter 1: Introduction Figure 1-1. SUPER i2DMR-8G2/i2DMR-iG2 Image Note: The difference between the i2DMR-8G2 and the i2DMR-iG2: There is Adaptec 7902 Ultra 320 SCSI on the i2DMR-8G2, and there is no SCSI on the i2DMR-iG2.
  • Page 10 For 2U servers, please use Fan1, Fan2, Fan3 & Fan4 for CPU cooling. 4. The difference between the i2DMR-8G2 and the i2DMR-iG2: There is Adaptec 7902 Ultra 320 SCSI on the i2DMR-8G2, and there is no SCSI on the i2DMR-iG2. Warning: The heatsink on the MRH-D chip has been pre-installed by the manufacturer.
  • Page 11 (*Notes: 1. For 1U servers, use Fan1&Fan2 for CPU cooling. For 2U servers, use Fan1, Fan2, Fan3, Fan4 for CPU cooling. 2. See Chapter 2 for Memory Installation Instructions. 3. See Chapter 2 for detailed information. 4. For i2DMR-8G2 only) Chapter 1: Introduction Default Setting Open (Enabled)

  • Page 12: Motherboard Features

    See Section 2-3 for details. Expansion Slots *For 1U Server: • One 64-bit PCI-X 100 slot(*For i2DMR-8G2), One 64-bit PCI-X 133 slot (*For i2DMR-iG2) *For 2U servers: it can support up to 3 PCI-X slots: •...
  • Page 13 • CPU thermal trip support for processor protection • Main switch override mechanism Onboard I/O • Adaptec 7902 Dual Channel Ultra 320 SCSI (*i2DMR-8G2 only) • One IPMI 1.5 & 2.0 socket • One Intel 82546 Gigabit Ethernet controller which supports two GLAN ports •...
  • Page 14 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual • Up to 6 USB 2.0 (4 ports and 2 headers) Other • Internal/external modem ring-on • Console redirection • Watch Dog & Supero DoctorIII for system manageability • In-Target Probe (ITP) port • Joint Test Action Group (JTAG)/boundary scan support through ITP or external source •...
  • Page 15 3,4,5 3x1MB Super COM2 COM1 Figure 1-9. Block Diagram of the i2DMR-8G2/i2DMR-iG2 Motherboard Note: This is a general block diagram. Please see the previous Motherboard Features pages for details on the features of the motherboard. Processor 2 LPC Bus 3x1MB...

  • Page 16: Chipset Overview

    Local Firmware Hub (LPC): Interface between the SNC and local firmware. System Management Bus (SMBus): a subset of the I into the SNC, SPS, and SIOH. (*Note: The Scalability Port Switch-SPS is not used in the i2DMR-8G2/iG2.) and the capability of the Intel E8870 (870) consists of the following...

  • Page 17: Special Features

    Last State. PC Health Monitoring This section describes the PC health monitoring features of the SUPER i2DMR-8G2/i2DMR-iG2. All have an onboard System Hardware Monitor chip that supports PC health monitoring. Fan Status Monitor with Firmware/Software On/Off Control The PC health monitor can check the RPM status of the cooling fans.

  • Page 18: 1-5 Acpi Features

    It is even more important for processors that have high CPU clock rates. The SUPER i2DMR-8G2/i2DMR-iG2 requires a 24-pin connector and two 4- pin 12V/15A connectors for CPU VRMs. generally meet the specifications required by the CPU, some are inadequate.

  • Page 19: 1-7 Super I/O

    Chapter 1: Introduction mended that you also install a power surge protector to help avoid problems caused by power surges. 1-7 Super I/O The disk drive adapter functions of the Super I/O provides two high-speed, 16550 compatible serial communication ports (UARTs). Each UART includes a 16-byte send/receive FIFO, a programmable baud rate generator, com- plete modem control capability and a processor interrupt system.
  • Page 20 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Notes 1-14...

  • Page 21: Chapter 2 Installation

    Static-Sensitive Devices Electric-Static-Discharge (ESD) can damage electronic components. To pre- vent damage to your system board, it is important to handle it very carefully. The following measures are generally sufficient to protect your equipment from ESD. Precautions • Use a grounded wrist strap designed to prevent static discharge. •...
  • Page 22 CPU socket before you install the CPU heat sink. Note: To optimize the functionality and capability of the i2DMR-8G2/ i2DMR-iG2, we recommend that i2DMR-8G2/i2DMR-iG2 be installed in Supermicro chassis only.
  • Page 23 B. Installing the Heatsink Retention Mechanism on the Motherboard 1. Place the retention mechanism (P/N SKT-0147-RM-IT2) on the mother- board as shown in the picture below: 2. Secure the retention mechanism onto the motherboard by screwing three (3) 6-32 4.5MM screws into the mounting holes on the back of the motherboard.
  • Page 24 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual C. Installing Motherboard into chassis *Note: To optimize the functionality and the capability of the i2DMR-8G2/ i2DMR-iG2, we strongly recommend that the i2DMR-8G2/i2DMR-iG2 be installed in Supermicro's proprietary chassis only-the SC813HS-500W (*for 1 U), SC823HS-500W (*for 2U).
  • Page 25 Chapter 2: Installation D. Installing and securing the Itanium 2 CPU onto the motherboard 1. Insert the Itanium 2 CPU into the CPU1 Socket. Make sure that CPU Pin 1 is aligned with the cut angle of the CPU socket. (*See Note) as shown in the picture below: CPU1 Socket Itanium 2 CPU...
  • Page 26 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual E. Installing and securing the Power Pod onto the Itanium 2 (*Notes: 1.The CPU Power Pod is a VRM mechanism specially designed for the Itanium 2 processors.) 1. Locate the opening slot on the CPU Power Pod, and align the opening slot with the Itanium2 CPU installed on the motherboard.
  • Page 27 Chapter 2: Installation 3. Locate four(4) M3 screws in the VRM-008 package. Secure the Power Pod onto the motherboard with four(4) M3 screws as shown in the picture below: 3.) Secure the Power Pod onto the motherboard with four(4) M3 screws. 4.
  • Page 28 (*Warning: Do not apply any thermal grease to the heatsink-the required amount of thermal grease has already been applied.) (*Note: To maximizing the cooling effect of the i2DMR-8G2/iG2, we strongly recommend that Supermicro's proprietary heatsinks (SNK-046) be used with the Itanium 2 CPUs.) 1.
  • Page 29 4. Repeat the above steps 1-3 to install the second heatsink on the second CPU if needed as shown in the Figure 4. Figure 4 The i2DMR-8G2/iG2 with two heatsinks installed G. Connecting AC Power to the motherboard and the Power Pods 1.

  • Page 30: Installing Dimms

    Repeat for all modules (see step 1 above). Memory Support The i2DMR-8G2/i2DMR-iG2 supports up to 16 GB of buffered, Reg. ECC DDR-200 (utilizing DDR 266 memory operating at DDR 200). motherboards were designed to support 2 GB modules in each slot.

  • Page 31: I/Oports/Control Panel Connectors

    To Remove: Use your thumbs to gently push near the edge of both ends of the module. This should release it from the slot. I/OPorts/Control Panel Connectors The I/O ports are color coded in conformance with the PC 99 specification. See Figure 2-3 below for the colors and locations of the various I/O ports.
  • Page 32 U66 contains header pins for various buttons and indicators that are nor- mally located on a control panel at the front of the chassis. These connec- tors are designed specifically for use with Supermicro server chassis. See the figure below for the descriptions of the various control panel buttons and LED indicators.

  • Page 33: Connecting Cables

    EPS 12V Power Connector There are two 24-pin main power supply connector(J20, J36) on the i2DMR-8G2/i2DMR-iG2. These power connectors meet the SSI EPS 12V specification. (*Only one main power supply is needed.) See the table on the right for pin definitions.

  • Page 34: Hdd Led

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual HDD LED The HDD LED connection is located on pins 13 and 14 of U66. Attach the hard drive LED cable here to display disk activity (for any hard drives on the system, including SCSI, Serial ATA and IDE).

  • Page 35: Reset Button

    Reset Button The Reset Button connection is lo- cated on pins 3 and 4 of U66. At- tach it to the hardware reset switch on the computer case. Refer to the table on the right for pin definitions. Power Button The Power Button connection is located on pins 1 and 2 of U66.

  • Page 36: Serial Ports

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Front Panel Universal Serial Bus Header Two extra USB headers (USB4/ USB5) (J21) can be used for front side USB access. You will need a USB cable to use either connec- tion. Refer to the tables on the right for pin definitions.

  • Page 37: Fan Headers

    Fan Headers The i2DMR-8G2/i2DMR-iG2 has eight fan headers. See the table on the right for pin definitions. Speaker Header The Speaker header is located on CN4. See the table on the right for speaker pin definitions. speaker connector pins are for use with an external speaker.

  • Page 38: Alarm Reset

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Power Fault Connect a cable from your power supply to the U62 header to pro- vide warning of power supply fail- ure. This warning signal is passed through the PWR_LED pin on U66 to indicate of a power fail- ure on the chassis.

  • Page 39: Jumper Settings

    Jumper Settings Explanation of Jumpers To modify the operation of the motherboard, jumpers can be used choose optional settings. create shorts between two pins to change the function of the connector. Pin 1 is identified with a square solder pad on the printed circuit board.

  • Page 40: Vga Enable/Disable

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Watch Dog J31 controls Watch Dog, a system monitor that takes action when a software application freezes the system. Pins 1-2 will have WD re- set the system if a program freezes. Pins 2-3 will generate a...

  • Page 41: Onboard Indicators

    Force-Power-On Enable/ Disable Jumper J23, located next to the 24- Pin power connector, to enable or disable the function of Force-Power-On. If enabled, the power will always stay on auto- matically. If this function disabled, the user needs to press the power button to power on the system.

  • Page 42: Ide Connectors

    SUPER i2DMR-8G2/i2DMR-iG2 User's Manual COM Port, IDE, IPMI and SCSI Connections Note the following when connecting the hard disk drive cable: • A red mark on a wire typically designates the location of pin 1. COM Port 1 (J5) & COM 2...

  • Page 43: Ultra 320 Scsi Connectors

    IPMI J26 is designated as the IPMI Socket for the i2DMR-8G2/i2DMR- iG2 Motherboard. Ultra 320 SCSI Connectors (*i2DMR-8G2 only) Refer to the table below for the pin definitions of the Ultra 320 SCSI connectors: SCSI A (located on J18), and SCSI B (located on J3.)
  • Page 44 SUPER i2DMR-8G2/i2DMR-iG2 User's Manual Notes 2-24...

  • Page 45: Chapter 3 Troubleshooting

    2) Please wait at least 10 seconds between power off and power on for proper VRMs discharge. 3) The i2DMR-8G2/iG2 supports Limited ACPI functions (only the functions of: “S0-Active”, and “S5-Complete power off” are supported). 4) The minimum power requirement is 500W and above. Also, two 4-pin 12V/15A power connectors are required for CPU Power Pods (VRMs).

  • Page 46: No Video

    UPER i2DMR-8G2/i2DMR-iG2 User's Manual and off to test the system. 5. The battery on your motherboard may be old. Check to verify that it still supplies ~3VDC. If it does not, replace it with a new one. No Video 1. If the power is on but you have no video, remove all the add-on cards and cables.

  • Page 47: Technical Support Procedures

    Frequently Asked Questions Question: What are the various types of memory that my mother- board can support? Answer: The i2DMR-8G2/i2DMR-iG2 has eight 184-pin DIMM slots that sup- port registered ECC DDR-200 (PC1600) SDRAM modules (-utilizing DDR-266 operating at 200 MHz).

  • Page 48: Returning Merchandise For Service

    Answer: It is recommended that you do not upgrade your BIOS if you are experiencing no problems with your system. Updated BIOS files are located on our web site at http://www.supermicro.com. warning message and the information on how to update your BIOS on our web site.

  • Page 49: Chapter 4: Bios

    When an option is selected in the left frame, it is highlighted in white. Often a text message will accompany it. (*Note: AMIBIOS has default text messages built in. Supermicro retains the option to include, omit, or change any of these text messages.) The AMI BIOS setup/utility uses a key-based navigation system called hot keys.

  • Page 50: Main Bios Setup

    UPER i2DMR-8G2/i2DMR-iG2 User’s Manual 4-2 Main Setup When you first enter the BIOS Setup Utility, you will enter the Main setup screen. You can always return to the Main setup screen by selecting the Main tab on the top of the screen. The Main BIOS Setup screen is shown below.

  • Page 51: Advanced Setup

    Chapter 4: AMI BIOS keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in DAY/MM/DD/YY format. The time is entered in HH:MM:SS format. *Note: The time is in 24-hour format. For ex- ample, 5:30 A.M.
  • Page 52 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Serial Port1 Address/Serial Port2 Address This option specifies the base I/O port addresses and Interrupt Request addresses of Serial Port 1 and Serial Port2. Select "Disabled" to prevent the serial ports from accessing any system resources. When this option is set to Disabled, the serial ports physically becomes unavailable tions are: "Enabled", and "Disabled."...
  • Page 53 Primary IDE Master/Slave, Secondary IDE Master/Slave Sub Menu From the Advanced Setup screen, press <Enter> to access this sub menu for the primary and secondary IDE master and slave drives. Use this screen to select options for the Primary and Secondary IDE drives. Use the up and down <Arrow>...
  • Page 54 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual DMA Mode Select Auto to allow the BIOS to auto detect the DMA mode. Use this value if the IDE disk drive support cannot be determined. Select SWDMA0 to allow the BIOS to use Single Word DMA mode 0. It has a data transfer rate of 2.1 MBs.
  • Page 55 Chapter 4: AMI BIOS ATA(PI) Detect Time Out The feature allows AMI BIOS to set the time out value for detecting ATA(PI) devices . The options are:"0", "5", "10", "15", "20", "25" and "30." ATA(PI) 80Pin Cable Detection This feature allows the BIOS to auto-detect 80Pin ATA(PI) Cable. The op- tions are:"Host &...

  • Page 56: System Health Monitor

    UPER i2DMR-8G2/i2DMR-iG2 User’s Manual System Health Monitor This feature allows the BIOS to automatically display the status of the fol- lowing items: Advanced System Health CPU Overheat CPUI Temperature/CPU2 Temperature (*for 2U systems) Voltage Status Fan Speeds...

  • Page 57: Peripheral Device Configuration

    Peripheral Device Configuration This feature allows the user to configure Peripheral Device settings Power Loss Control This setting allows you to choose how the system will react when power returns after an unexpected loss of power. Options are "Stay Off", "Power On" and "Last State." Watch Dog Timer This setting is used to enable or disabled the Watch Dog Timer function.
  • Page 58 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual UBS Configuration This feature allows the user to configure USB settings USB Function Select "Enabled" to enable the USB Host Controller. The options are "Disabled", and "Enabled." Legacy USB Support Select "Enabled" to enable the support for USB Legacy. The options are "Disabled", and "Enabled."...

  • Page 59: 4-4 Pci/Pnp Configuration

    Chapter 4: AMI BIOS 4-4 PCI/PnP Configuration This feature allows the user to set PCI/PnP configurations: PCI Latency Timer This option sets the latency of all PCI devices on the PCI bus. The default setting is "64." Select "32" to set the PCI latency to 32 PCI clock cycles. Select "64"...

  • Page 60: Security Settings

    UPER i2DMR-8G2/i2DMR-iG2 User’s Manual !Hardware Health Monitoring H/W Health Function Select "Enabled" to enable the function of Hardware Health Monitoring Device. The Options are "Enabled" and "Disabled". Overheat Temperature Trips The feature allows the user to set the CPU temperature threshold. The options range from "65...

  • Page 61: Exit Options

    Chapter 4: AMI BIOS Exit Options Select the Exit tab from the BIOS Setup Utility screen to enter the Exit BIOS Setup screen. Exit Saving Changes When you have completed the system configuration changes, select this option to leave BIOS Setup and reboot the computer, so the new system configuration parameters can take effect.
  • Page 62 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Discarding Changes Select this option and press <Enter> to discard all the changes and return to the BIOS Utility Program. 4-14...

  • Page 63: Introduction To The Efi Platform

    The necessary drivers are all included on the Supermicro CDs that came packaged with your motherboard. 5-1 Introduction to the EFI Platform The EFI (Extensible Firmware Interface) Platform is a new firmware architecture that provides interface between the operating system and the computer firmware (BIOS).
  • Page 64 UPER i2DMR-8G2/i2DMR-iG2 User's Manual 5-2 Flash AMI BIOS: 1. Obtain a USB Pen, or a USB storage device (2.0 recommended). 2. From our web site, download the following two files into the USB pen or device: [amiflash.efi], and [bios.rom] (*The link to the files is: www.supermicro.com)
  • Page 65 The location of the USB device (Example) 6. At the Shell command prompt, type: Shell> fsX: (*X: is the number of sector which your USB pen is located at.) (*This command will change the directory from [Shell] to [fsX]) 7. Now, you can start flashing BIOS by typing: fsX:\>...
  • Page 66 UPER i2DMR-8G2/i2DMR-iG2 User's Manual When the fsx directory appears, type in the file name at the prompt. fsx:\ amiflash ami64.rom (eg: for the example shown above, at the prompt, type fs0:\> amiflash ami64.rom and press <Enter> as shown below: Then, the system will start loading the BIOS Image file.
  • Page 67 After the BIOS Image file is loaded, the following screen will appear: When asked "Reset NVRAM to default value? (y/n), type "y" at the prompt, if you want to reset all default values after flashing the BIOS.(*y: This will reset your NVRAM which typically resets your boot options in EFI to manufacturer defaults.
  • Page 68 UPER i2DMR-8G2/i2DMR-iG2 User's Manual Brief instruction for adding the "CDROM" boot option in EFI: 1. Power on the system and go into the “EFI Boot Manager” 2. Select “Boot Option Maintenance Menu." 3. Select “Add a Boot Option.” 4. Select “Removable Media Boot [Acpi(PNP0A03,0)/ Pci(1F|1)/ATA(Secondary,Master)]”...
  • Page 69 Brief instruction for IA64 OS (include Windows XP 64bit, Windows 2003 Enterprise 64bit, Red Hat Linux 64 bit and SUSE Linux 64bit for Itanium) Installation on IDE hard drive: (*Note: The Itanium2 board does not have a floppy connector, so the user cannot install Windows driver through a floppy device.
  • Page 70 UPER i2DMR-8G2/i2DMR-iG2 User's Manual 11. At the Shell command prompt, type: Shell> exit (*This command will exit EFI Shell and go back to “EFI Boot Manager.”) 12. Select “CDROM” boot option to boot from Windows OS installation CD after you have already added CDROM boot option under EFI Boot Manager.
  • Page 71 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. IA-32 Post Codes The IA-32 Post Codes are listed in order of execution: Checkpoint...
  • Page 72 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Checkpoint Code Description The NMI is disabled. Next, checking for a soft reset or a power on condition. The BIOS stack has been built. Next, disabling cache memory. Uncompressing the POST code next. Next, initializing the CPU and the CPU data area.
  • Page 73 Checkpoint Code Description The configuration required before interrupt vector initialization has completed. Interrupt vector initialization is about to begin. 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.
  • Page 74 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Checkpoint Code Description The memory pattern has been written to extended memory. Writing patterns to the base 640 KB memory next. Patterns written in base memory. Determining the amount of memory below 1 MB next. The amount of memory below 1 MB has been found and verified.
  • Page 75 Checkpoint Code Description The DMA page register test passed. Performing the DMA Controller 1 base register test next. The DMA controller 1 base register test passed. Performing the DMA controller 2 base register test next. The DMA controller 2 base register test passed. Programming DMA controllers 1 and 2 next.
  • Page 76 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Checkpoint Code Description Initializing the bus option ROMs from C800 next. See the last page of this chapter for additional information. Initializing before passing control to the adaptor ROM at C800. Initialization before the C800 adaptor ROM gains control has com- pleted.
  • Page 77 A-2 Common Debug Codes Common Debug Codes for the motherboard are listed below: Checkpoints Off: Off: Appendix A: BIOS POST Checkpoint Codes Code Description SNC found and start memory sizing Initial system memory and SIOH Valid memory and SIOH found ICH4 found...
  • Page 78 UPER i2DMR-8G2/i2DMR-iG2 User’s Manual Notes...

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