935-G4H875-000A77100333G4H875-NG4H875-CG4H875-BRev. A+System BoardUser’s Manual
Introduction110USB PortsThe system board supports USB 2.0 and USB 1.1 ports. USB 1.1supports 12Mb/second bandwidth while USB 2.0 supports480Mb/second
1003BIOS Setup3.2 Updating the BIOSTo update the BIOS, you will need the new BIOS file and a flashutility, AWDFLASH.EXE. Please contact technical sup
1013BIOS Setup6. The following will appear.Do You Want to Save BIOS (Y/N)This question refers to the current existing BIOS in your system.We recommend
1024Supported Software4.1 Desktop Management Interface (DMI)The system board comes with a DMI built into the BIOS. DMI,along with the appropriately n
1034Supported Software4.1.2 Using the DMI UtilityThe four menus located on top of the DMI Configuration Utility screenare Edit DMI, Add DMI, Load DMI
1044Supported SoftwareAdd DMI1. Use the ← or → arrow keys to select the Add DMI menu.2. Highlight the item on the left screen that you would like to a
1054Supported Software4.2 Drivers, Utilities and Software ApplicationsThe CD that came with the system board contains drivers, utilitiesand software
1064Supported Software4.2.1 Intel 875 INF Update UtilityThe Intel 875 INF Update Utility is used for updating Windows98SE/2000/ME/XP's INF files
1074Supported Software4.2.2 Intel LAN DriversTo install the driver, please follow the steps below.1. Click “Intel LAN Drivers” on the main menu.2. Cli
1084Supported Software4.2.3 Intel USB 2.0 DriversIf you are using a USB 2.0 device, you must install the USB 2.0driver. The drivers are supported in
1094Supported SoftwareImportant:If you are using Windows®®®®® XP, you must install the WindowsService Pack 1 USB 2.0 driver which comes available afte
1Introduction11I/O Connectors• 1 connector for 2 additional external USB 2.0/1.1 ports(G4H875-B only)• 2 connectors for 2 external serial ports (G4H87
1104Supported Software4.2.4 Audio DriversThe audio drivers are supported in the following operating sys-tems: Windows 98SE, Windows ME, Windows NT
1114Supported Software4.2.5 Microsoft DirectX 9To install, please follow the steps below.1. Click “Microsoft DirectX 9” on the main menu. The followi
1124Supported Software4.2.6 Hardware DoctorHardware Doctor is capable of monitoring the system’s hardwareconditions such as the temperature of the CPU
1134Supported Software4.3 Installation Notes1. "Autorun" ONLY supports the Windows 98 SE, Windows ME,Windows 2000, Windows NT 4.0 and W
A114Enabling Hyper-Threading TechnologyA.1 Enabling Hyper-Threading TechnologyTo enable the functionality of the Hyper-Threading Technology, pleasefol
AEnabling Hyper-Threading Technology115d. Now click the Hardware tab then click Device Manager. Theitems shown under Computer and Processors shouldres
A116Enabling Hyper-Threading Technologye. Lastly, press the <Ctrl> <Alt> and <Del> keyssimultaneously. The Windows Task Manager dial
BCPU Fan Protection117The CPU must be kept cool by using a CPU fan with heat sink.Without sufficient air circulation across the CPU and heat sink, the
C118CPU Temperature ProtectionThe CPU Temperature Protection function has the capability ofmonitoring the CPU’s temperature during system boot-up.To u
DSystem Error Message119When the BIOS encounters an error that requires the user tocorrect something, either a beep code will sound or a message willb
Introduction1121.1.3 IntelligenceCPU Fan ProtectionThe CPU Fan Protection function has the capability of monitoring theCPU fan when the system boots.
D120System Error Messagesetting than indicated in Setup. Determine which setting is correct,either turn off the system and change the jumper or enter
ETroubleshooting121E.1 Troubleshooting ChecklistThis chapter of the manual is designed to help you with problemsthat you may encounter with your pers
E122TroubleshootingThe picture seems to be constantly moving.1. The monitor has lost its vertical sync. Adjust the monitor’s verticalsync.2. Move away
ETroubleshooting123Hard DriveHard disk failure.1. Make sure the correct drive type for the hard disk drive hasbeen entered in the BIOS.2. If the syste
E124TroubleshootingSerial PortThe serial device (modem, printer) doesn’t output anything or isoutputting garbled characters.1. Make sure that the seri
1Introduction13Wake-On-LANThis feature allows the network to remotely wake up a Soft PowerDown (Soft-Off) PC. It is supported via the onboard LAN port
Introduction114ACPIThe system board is designed to meet the ACPI (Advanced Con-figuration and Power Interface) specification. ACPI has energy savingfe
1Introduction151.2 Hyper-Threading Technology FunctionalityRequirementsEnabling the functionality of Hyper-Threading Technology for yourcomputer syste
162Hardware Installation2.1 System Board LayoutChapter 2 - Hardware InstallationG4H875-NKB/MouseCOM 1COM 2ParallelLAN 1; USB 1-2IntelGigabit82547EIInt
172Hardware InstallationKB/MouseCOM 1COM 2ParallelLAN; USB 1-2Intel82551QMLine-outLine-inMic-inUSB 3-4Socket 4781PS/2 KB/Mousepower select (JP2)1USB 1
182Hardware InstallationG4H875-BNote:The illustrations on the following pages are based on the G4H875-Nsystem board.KB/MouseCOM 1COM 2ParallelLAN 1; U
192Hardware Installation21ON2.2 System MemoryWarning:Electrostatic discharge (ESD) can damage your system board,processor, disk drives, add-in boards,
CopyrightThis publication contains information that is protected by copyright.No part of it may be reproduced in any form or by any means orused to ma
202Hardware InstallationThe system board supports the following memory interface.Single Channel (SC)Data will be accessed in chunks of 64 bits (8B) fr
212Hardware InstallationThe table below lists the various optimal operating modes that shouldbe configured for the memory channel operation.ConfigNo m
222Hardware InstallationConfigDynamic Mode AddressingDynamic Mode AddressingDynamic Mode AddressingDynamic Mode AddressingDynamic Mode AddressingDynam
232Hardware Installation2.2.1 Installing the DIM ModuleA DIM module simply snaps into a DIMM socket on the systemboard. Pin 1 of the DIM module must
242Hardware Installation2.3 CPU2.3.1 OverviewThe system board is equipped with a surface mount 478-pin CPUsocket. This socket is exclusively designe
252Hardware Installation3. Position the CPU above the socket then align the gold mark onthe corner of the CPU (designated as pin 1) with pin 1 of thes
262Hardware Installation5. Once the CPU is in place, push down the lever to lock thesocket. The lever should click on the side tab to indicate that th
272Hardware Installation1. The system board comes with the retention module base alreadyinstalled.Retentionmodule baseRetentionholeRetentionholeRetent
282Hardware Installation3. The retention levers at this time remains unlocked as shown inthe illustration below.Retention leverRetention lever4. Move
292Hardware Installation21ON2.4 Jumper Settings2.4.1 Clearing CMOS DataIf you encounter the following,a) CMOS data becomes corrupted.b) You forgot t
Battery:• Danger of explosion if battery incorrectly replaced.• Replace only with the same or equivalent type recommend bythe manufacturer.• Dispo
302Hardware Installation4. After powering-on the system, press <Del> to enter the mainmenu of the BIOS.5. Select the Frequency/Voltage Control s
312Hardware Installation21ON2.4.2 PS/2 Keyboard/Mouse Wake Up!JP22-3 On: 5VSB1-2 On: VCC(default)312312This jumper is used to select the power of the
322Hardware Installation21ON2.4.3 USB Keyboard Wake UpThese jumpers are used to select the power of the USB ports.Selecting 5VSB will allow you to us
332Hardware Installation21ON2.4.4 Power-on Select!1-2 On:Power-on viapower button(default)312312JP62-3 On:Power-on viaAC powerThis jumper is used to s
342Hardware InstallationSW1 is used to configure the BIOS Write Protect function. Whenthis function is enabled, the system will be protected from unne
352Hardware Installation2.5 Rear Panel I/O PortsPS/2K/BCOM 1USB 1-2USB 3-4COM 2PS/2MouseLAN 2ParallelLAN 1Line-outLine-inMic-inG4H875-NPS/2K/BCOM 1 U
362Hardware Installation21ON2.5.1 PS/2 Mouse and PS/2 Keyboard PortsThe system board is equipped with an onboard PS/2 mouse(Green) and PS/2 keyboard
372Hardware Installation21ONCOM 1 COM 22.5.2 Serial Ports"G4H875-N is equipped with 2 onboard serial ports (COM 1:CN3 and COM 2: CN4) - both in
382Hardware Installation21ON2.5.3 Parallel PortThe system board has a standard parallel port (Burgundy) atlocation CN7 for interfacing your PC to a p
392Hardware Installation21ON2.5.4 Universal Serial Bus PortsThe system board supports USB 2.0/1.1 ports. USB allows dataexchange between your compute
NoticeAn electronic file of this manual is included in the CD. To viewthe user’s manual, insert the CD into a CD-ROM drive. Theautorun screen (Main Bo
402Hardware InstallationBIOS SettingConfigure USB in the Integrated Peripherals submenu (“OnboardDevice” section) of the BIOS. Refer to chapter 3 for
412Hardware Installation2.5.5 RJ45 LAN PortG4H875-N is equipped with 2 onboard RJ45 LAN ports. LAN 1which is controlled by the Intel 82551QM chip is a
422Hardware Installation21ONLine-outLine-inMic-in"2.5.6 Audio"FrontaudioMic-in, Line-in and Line-outThe mic-in, line-in and line-out jacks
432Hardware InstallationThe front audio is disabled.The rear audio is enabled.The front audio is enabled.The rear audio is disabled.Pins 5-6 and 9-10
442Hardware Installation21ON2.6 I/O Connectors2.6.1 Game/MIDI PortThe system board is equipped with a 15-pin connector at loca-tion J2 for connectin
452Hardware Installation21ON2.6.2 Internal Audio ConnectorsThe CD-in (J1) and AUX-in (J4) connectors are used to receiveaudio from a CD-ROM drive, TV
462Hardware Installation21ON2.6.3 S/PDIF Connector"The S/PDIF connector (J5) is used to connect external S/PDIFports. The S/PDIF ports may be mo
472Hardware Installation21ON2.6.4 Floppy Disk Drive ConnectorThe system board is equipped with a shrouded floppy disk driveconnector for connecting a
482Hardware Installation21ON2.6.5 Serial ATA ConnectorsConnect one end of the SATA cable to J22 (SATA 2) or J23(SATA 1) and the other end to your ser
492Hardware Installation21ON2.6.6 IDE Disk Drive ConnectorThe system board is equipped with two shrouded PCI IDE headersthat will interface four Enha
Table of ContentsChapter 1 - Introduction1.1 Features and Specifications...
502Hardware InstallationNote:Refer to your disk drive user’s manual for information aboutselecting proper drive switch settings.Adding a Second IDE Di
512Hardware Installation21ON2.6.7 IrDA ConnectorConnect your IrDA cable to connector J7 on the system board.Note:The sequence of the pin functions on
522Hardware Installation21ON!2.6.8 Cooling Fan ConnectorsConnect the CPU fan’s cable connector to the CPU fan connec-tor (J13) on the system board. C
532Hardware Installation21ON2.6.9 Wake-On-LAN ConnectorYour LAN card package should include a cable. Connect one end ofthe cable to the wakeup header
542Hardware Installation21ON2.6.10 Chassis Open Connector21GroundChassis signal"The system board supports the chassis intrusion detection func-t
552Hardware Installation21ON2.6.11 LEDsDIMM Standby Power LEDThis LED will turn red when the system’s power is on or when itis in the Suspend state (P
562Hardware InstallationEarly program chipset reg-ister before POST.Testing memory presence.Detecting memory size.No memory present.Programming DRAM t
572Hardware Installation21ON2.6.12 Power ConnectorsWe recommend that you use a power supply that complies with theATX12V Power Supply Design Guide Ve
582Hardware Installation21ON2.6.13 Front Panel ConnectorsHD-LED: Primary/Secondary IDE LEDThis LED will light when the hard drive is being accessed.R
592Hardware InstallationPWR-LED: Power/Standby LEDWhen the system’s power is on, this LED will light. When the systemis in the S1 (POS - Power On Susp
Introduction16Appendix A - Enabling the Hyper-ThreadingTechnologyA.1 Enabling the Hyper-Threading Technology...A
603BIOS Setup3.1 Award BIOS Setup UtilityThe Basic Input/Output System (BIOS) is a program that takes careof the basic level of communication between
613BIOS SetupThe settings on the screen are for reference only. Your version may not be identicalto this one.3.1.1.1 DateThe date format is <day&g
623BIOS SetupThe settings on the screen are for reference only. Your version may not be identicalto this one.IDE HDD Auto DetectionDetects the paramet
633BIOS SetupCapacityDisplays the approximate capacity of the disk drive. Usually the sizeis slightly greater than the size of a formatted disk given
643BIOS Setup3.1.1.5 VideoThis field selects the type of video adapter used for the primarysystem monitor. Although secondary monitors are supported,
653BIOS Setup3.1.1.8 Extended MemoryDisplays the amount of extended memory detected during boot-up.3.1.1.9 Total MemoryDisplays the total memory ava
663BIOS Setup3.1.2 Advanced BIOS FeaturesThe Advanced BIOS Features allows you to configure your systemfor basic operation. Some entries are defaults
673BIOS Setup3.1.2.4 CPU L3 CacheThis field is used to enable or disable the CPU’s L3 cache.3.1.2.5 Hyper-Threading Technology (for Intel® Pentium® 4
683BIOS Setup3.1.2.10 Gate A20 OptionThis entry allows you to select how gate A20 is handled. Gate A20is a device used to address memory above 1 Mbyt
693BIOS Setup3.1.2.14 Security OptionThis field determines when the system will prompt for the password- everytime the system boots or only when you
1Introduction71.1 Features and Specifications1.1.1 FeaturesChipset• Intel® 875P chipset- Intel® 82875P Memory Controller Hub (MCH)- Intel® Hance Rapid
703BIOS Setup3.1.3 Advanced Chipset FeaturesThis section gives you functions to configure the system based onthe specific features of the chipset. Th
713BIOS SetupManual If you want your system to run at a performancebetter than the one “by SPD”, select “Manual” thenselect the best option in the “CA
723BIOS Setup3.1.3.8 System BIOS CacheableWhen this field is enabled, accesses to the system BIOS ROMaddressed at F0000H-FFFFFH are cached, provided
733BIOS Setup3.1.3.13 DRAM Data Integrity ModeThe ECC (Error Checking and Correction) function is supported onlyin x72 (72-bit) PC SDRAM DIMMs. If yo
743BIOS Setup3.1.4 Integrated PeripheralsThe settings on the screen are for reference only. Your version may not be identicalto this one.3.1.4.1 OnC
753BIOS SetupIDE HDD Block ModeEnabled The IDE HDD uses the block mode. The system BIOSwill check the hard disk drive for the maximum blocksize the sy
763BIOS SetupIDE Primary Master/Slave UDMA and IDE Secondary Master/Slave UDMAThese fields allow you to set the Ultra DMA in use. When Auto isselected
773BIOS Setup3.1.4.2 Onboard DeviceMove the cursor to this field and press <Enter>. The followingscreen will appear.The settings on the screen
783BIOS Setup3.1.4.3 Super IO DeviceMove the cursor to this field and press <Enter>. The followingscreen will appear.The settings on the screen
793BIOS SetupKeyboard 98 When this option is selected, press the “wake up”key of the Windows 98 compatible keyboard topower-on the system.KB Power On
Introduction18Performance Acceleration Technology (PAT)PAT mode is supported only when the system uses DDR400with 800MHz FSB CPU. PAT performs data tr
803BIOS SetupRxD, TxD ActiveThe options are Hi, Lo; Lo, Hi; Lo, Lo; and Hi, Hi.IR Transmission DelayIf this field is Enabled, transmission of data wil
813BIOS SetupIf you selected EPP, the “EPP Mode Select” field is selectable. If youselected ECP, the “ECP Mode Use DMA” field is selectable. If yousel
823BIOS SetupOnboard Serial Port 3 (G4H875-N only)This field is used to select the serial port 3’s I/O address.Onboard Serial Port 3 IRQ (G4H875-N onl
833BIOS Setup3.1.5 Power Management SetupThe Power Management Setup allows you to configure your systemto most effectively save energy.3.1.5.1 ACPI
843BIOS Setup3.1.5.3 Run VGABIOS if S3 ResumeWhen this field is set to Auto, the system will initialize the VGA BIOSwhen it wakes up from the S3 stat
853BIOS Setup3.1.5.8 MODEM Use IRQThis field is used to set an IRQ channel for the modem installed inyour system.3.1.5.9 Suspend ModeThis is selecta
863BIOS Setup3.1.5.12 Wake-Up by PCI CardEnabled This field should be set to Enabled only if your PCIcard such as LAN card or modem card uses the PCI
873BIOS Setup3.1.5.17 Resume By AlarmEnabled When Enabled, you can set the date and time youwould like the Soft Power Down (Soft-Off) PC topower-on i
883BIOS Setup3.1.6 PnP/PCI ConfigurationsThis section describes configuring the PCI bus system. It coverssome very technical items and it is strongly
893BIOS Setup3.1.6.3 IRQ ResourcesMove the cursor to this field and press <Enter>. The “IRQ-3” to“IRQ-15” fields will appear. Set each system i
1Introduction9Onboard Audio Features• 18-bit stereo full-duplex codec with independent variable sam-pling rate• High quality differential CD input• Tr
903BIOS Setup3.1.7 PC Health Status3.1.7.1 Shutdown TemperatureYou can prevent the system from overheating by selecting a tem-perature in this field
913BIOS Setup3.1.7.4 VCC3(V), +12(V), -12(V), VCC(V), VBAT(V) and 5VSB(V)These fields show the output voltage of the power supply.Note:The onboard ha
923BIOS Setup3.1.8 Frequency/Voltage ControlThe settings on the screen are for reference only. Your version may not be identicalto this one.3.1.8.1
933BIOS Setup3.1.8.5 CPU ClockThis field provides several options for selecting the external systembus clock of the processor. The available options
943BIOS Setup3.1.9 Load Fail-Safe DefaultsThe “Load Fail-Safe Defaults” option loads the troubleshootingdefault values permanently stored in the ROM
953BIOS Setup3.1.10 Load Optimized DefaultsThe “Load Optimized Defaults” option loads optimized settings fromthe BIOS ROM. Use the default values as
963BIOS Setup3.1.11 Set Supervisor PasswordIf you want to protect your system and setup from unauthorizedentry, set a supervisor’s password with the
973BIOS Setup3.1.12 Set User PasswordIf you want another user to have access only to your system butnot to setup, set a user’s password with the “Sys
983BIOS Setup3.1.13 Save & Exit SetupWhen all the changes have been made, highlight “Save & Exit Setup”and press <Enter>.Type “Y” and p
993BIOS Setup3.1.14 Exit Without SavingWhen you do not want to save the changes you have made,highlight “Exit Without Saving” and press <Enter>
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