IntelメーカーG4H875-Cの使用説明書/サービス説明書
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935-G4H875-000 A77100333 G4H875-N G4H875-C G4H875-B Re v . A+ System Board User’ s Manual.
Cop yright This publication contains information that is protected by copyright. No par t of it ma y be reproduced in any form or by any means or used to make any transformation/adaptation without the prior wr itten permission from the copyr ight holder s.
Batter y: • Danger of explosion if batter y incorrectly replaced. • Replace only with the same or equivalent type recommend by the manufacturer . • Dispose of used batter ies according to the batter y manufacturer’ s instr uctions.
Notice An electronic file of this man ual is included in the CD . T o view the user’ s manual, inser t the CD into a CD-R OM dr iv e . The autor un screen (Main Board Utility CD) will appear .
T able of Contents Chapter 1 - Introduction 1.1 Features and Specifications.................................................................................. 1.2 Hyper -Threading T echnology Functionality Requirements..... 1. 3 Package Checklist......
Introduction 1 6 Appendix A - Enabling the Hyper -Thr eading T echnology A. 1 Enabling the Hyper -Threading T echnology ......................................... Appendix B - CPU Fan Protection B. 1 CPU Fan Protection..................................
1 Introduction 7 1.1 Features and Specifications 1.1.1 Features Chipset • Intel ® 875P chipset - Intel ® 82875P Memor y Controller Hub (MCH) - Intel ® Hance Rapids I/O Controller Hub Processor The system board is equipped with Socket 478 for installing one of the following suppor ted processor s.
Introduction 1 8 Perf ormance Acceleration T echnology (P A T) P A T mode is suppor ted onl y when the system uses DDR400 with 800MHz FSB CPU. P A T performs data tr ansactions directly from the CPU to the system memor y , bypassing the normal path of oper ation.
1 Introduction 9 Onboard Audio Features • 18-bit stereo full-duplex codec with independent variable sam- pling rate • High quality differential CD input • T r ue stereo line lev el outputs • 2.
Introduction 1 10 USB Ports The system board suppor ts USB 2.0 and USB 1.1 por ts. USB 1.1 suppor ts 12Mb/second bandwidth while USB 2.0 suppor ts 480Mb/second bandwidth providing a mar k ed impro vement in device transfer speeds between your computer and a wide range of simultaneously accessible external Plug and Play peripherals.
1 Introduction 11 I/O Connectors • 1 connector for 2 additional external USB 2.0/1.1 por ts (G4H875-B only) • 2 connector s for 2 external ser ial por ts (G4H875-N only) • 1 front audio connecto.
Introduction 1 12 1.1.3 Intelligence CPU Fan Protection The CPU Fan Protection function has the capability of monitoring the CPU fan when the system boots. Once it has detected that the CPU fan did not rotate, 5 warning beeps will sound then the system will automatically pow er -off.
1 Introduction 13 W ake-On-LAN This feature allo ws the networ k to remotely wake up a Soft P ower Down (Soft-Off) PC . It is suppor ted via the onboard LAN por t, via a PCI LAN card that uses the PCI PME (P ower Management Ev ent) signal or via a LAN card that uses the Wak e-On-LAN connector .
Introduction 1 14 A CPI The system board is designed to meet the ACPI (Advanced Con- figuration and P ower Interface) specif ication. A CPI has ener gy sa ving features that enables PCs to implement P ower Management and Plug-and-Play with operating systems that suppor t OS Direct P ower Management.
1 Introduction 15 1. 2 Hyper -Threading T echnolog y Functionality Requirements Enabling the functionality of Hyper -Threading T echnology for your computer system requires ALL of the following platf or ms.
16 2 Hardware Installation 2.1 System Board La yout Chapter 2 - Hardware Installation G4H875-N KB/Mouse COM 1 COM 2 Parallel LAN 1; USB 1-2 Intel Gigabit 82547EI Intel 82551QM Line-out Line-in Mic-in .
17 2 Hardware Installation KB/Mouse COM 1 COM 2 Parallel LAN; USB 1-2 Intel 82551QM Line-out Line-in Mic-in USB 3-4 Socket 478 1 PS/2 KB/Mouse power select (JP2) 1 USB 1-4 power select (JP3) Intel 828.
18 2 Hardware Installation G4H875-B Note: The illustrations on the following pages are based on the G4H875-N system board. KB/Mouse COM 1 COM 2 Parallel LAN 1; USB 1-2 Intel 82551QM Line-out Line-in M.
19 2 Hardware Installation 2 1 ON 2.2 System Memor y W arning: Electrostatic discharge (ESD) can damage your system board, processor , disk dr ives , add-in boards , and other components . P erfor m the upgrade instruction procedures described at an ESD workstation only .
20 2 Hardware Installation The system board suppor ts the follo wing memor y interface . Single Channel (SC) Data will be accessed in chunks of 64 bits (8B) from the memor y channels. Virtual Single Channel (VSC) If both channels are populated with different memor y configurations, the MCH defaults to Vir tual Single Channel.
21 2 Hardware Installation The table below lists the various optimal operating modes that should be configured f or the memor y channel operation. Config No memor y Single channel A Single channel A S.
22 2 Hardware Installation Config Dynamic Mode Addressing Dynamic Mode Addressing Dynamic Mode Addressing Dynamic Mode Addressing Dynamic Mode Addressing Dynamic Mode Addressing DDR 1 E P(*)(1,3) DS P.
23 2 Hardware Installation 2.2.1 Installing the DIM Module A DIM module simply snaps into a DIMM socket on the system board. Pin 1 of the DIM module must correspond with Pin 1 of the socket. 1 . Pull the “tabs” which are at the ends of the socket to the side.
24 2 Hardware Installation 2.3 CPU 2.3.1 Overview The system board is equipped with a surface mount 478-pin CPU socket. This socket is exclusively designed f or installing an Intel processor . 2.3.2 Installing the CPU 1 . Locate Socket 478 on the system board.
25 2 Hardware Installation 3 . P osition the CPU above the socket then align the gold mark on the corner of the CPU (designated as pin 1) with pin 1 of the socket. Important: Handle the CPU by its edges and avoid touching the pins. Gold mar k 4. Inser t the CPU into the socket until it is seated in place.
26 2 Hardware Installation 5. Once the CPU is in place, push down the lever to lock the socket. The lever should click on the side tab to indicate that the CPU is completely secured in the socket. 2.3.3 Installing the Fan and Heat Sink The CPU must be kept cool by using a CPU fan with heatsink.
27 2 Hardware Installation 1. The system board comes with the retention module base already installed. Retention module base Retention hole Retention hole Retention hole Retention hole 2.
28 2 Hardware Installation 3. The retention levers at this time remains unlocked as shown in the illustration below . Retention lever Retention lever 4. Mov e the retention lever s to their opposite directions then push them down. This will secure the fan / heat sink and retention mechanism assembly to the retention module base.
29 2 Hardware Installation 2 1 O N 2.4 Jumper Settings 2.4.1 Clearing CMOS Data If you encounter the following, a) CMOS data becomes corrupted. b ) Y ou forgot the super visor or user password. c ) Y ou are unable to boot-up the computer system because the processor’s ratio/clock was incorrectly set in the BIOS.
30 2 Hardware Installation 4 . After powering-on the system, press <Del> to enter the main menu of the BIOS. 5 . Select the Frequency/V oltage Control submenu and press <Enter>. 6 . Set the “CPU Clock Ratio” or “CPU Clock” field to its default setting or an appropriate bus clock or frequency ratio.
31 2 Hardware Installation 2 1 ON 2.4.2 PS/2 K eyboard/Mouse W ak e Up ! JP2 2-3 On: 5VSB 1-2 On: VCC (default) 3 1 2 3 1 2 This jumper is used to select the power of the PS/2 Keyboard/ Mouse por t. Selecting 5VSB will allow you to use the W ake-On- PS/2 Keyboard/Mouse function.
32 2 Hardware Installation 2 1 ON 2.4.3 USB K eyboar d W ake Up These jumper s are used to select the power of the USB por ts. Selecting 5VSB will allow y ou to use the W ake-On-USB Key- board function. On the G4H875-N and G4H875-C system boards, JP3 is for setting USB 1-4 that are at the rear I/O panel.
33 2 Hardware Installation 2 1 O N 2.4.4 P o w e r -on Select ! 1-2 On: Power-on via power button (default) 3 1 2 3 1 2 JP6 2-3 On: Power-on via AC power This jumper is used to select the method of powering on the system. If you want the system to po wer -on once A C power comes in, set JP6 pins 2 and 3 to On.
34 2 Hardware Installation SW1 is used to configure the BIOS Wr ite Protect function. When this function is enabled, the system will be protected from unneces- sar y updating or flashing of the BIOS. It secures the BIOS therefore any updates to it will not take effect.
35 2 Hardware Installation 2.5 Rear Panel I/O Ports PS/2 K/B COM 1 USB 1-2 USB 3-4 COM 2 PS/2 Mouse LAN 2 Parallel LAN 1 Line-out Line-in Mic-in G4H875-N PS/2 K/B COM 1 USB 1-2 COM 2 PS/2 Mouse Parall.
36 2 Hardware Installation 2 1 O N 2.5.1 PS/2 Mouse and PS/2 K eyboard P or ts The system board is equipped with an onboard PS/2 mouse (Green) and PS/2 keyboard (Purple) por ts - both at location CN1 of the system board. The PS/2 mouse por t uses IRQ12.
37 2 Hardware Installation 2 1 ON COM 1 COM 2 2.5.2 Serial Ports " G4H875-N is equipped with 2 onboard ser ial por ts (COM 1: CN3 and COM 2: CN4) - both in T eal/T urquoise color . It is also equipped with two 9-pin connectors (COM 3: J14 and COM 4: J16) for connecting exter nal serial por ts.
38 2 Hardware Installation 2 1 ON 2.5.3 Parallel Port The system board has a standard par allel por t (Burgundy) at location CN7 for interfacing your PC to a parallel pr inter .
39 2 Hardware Installation 2 1 ON 2.5.4 Universal Serial Bus Ports The system board suppor ts USB 2.0/1.1 por ts. USB allows data exchange between your computer and a wide range of simulta- neously accessible external Plug and Play peripherals. G4H875-N and G4H875-C are each equipped with four onboard USB 2.
40 2 Hardware Installation BIOS Setting Configure USB in the Integrated P er ipher als submenu (“Onboard Device” section) of the BIOS. Refer to chapter 3 for more informa- tion. Driver Installation Y ou may need to install the proper driver s in y our oper ating system to use the USB device .
41 2 Hardware Installation 2.5.5 RJ45 LAN Port G4H875-N is equipped with 2 onboard RJ45 LAN por ts. LAN 1 which is controlled by the Intel 82551QM chip is at location CN6 and LAN 2 which is controlled by the Intel Gigabit 82547EI chip is at location CN5.
42 2 Hardware Installation 2 1 ON Line-out Line-in Mic-in " 2.5.6 Audio " Front audio Mic-in, Line-in and Line-out The mic-in, line-in and line-out jacks are at location CN2 of the system board. A jack is a one-hole connecting interface f or inser t- ing a plug.
43 2 Hardware Installation The 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 shor t (default) Pins 5-6 and 9-10 open Front Audio The front audio connector (J3) allows you to connect to the line-out and mic-in jacks that are at the front panel of your sys- tem.
44 2 Hardware Installation 2 1 O N 2.6 I/O Connectors 2.6.1 Game/MIDI Port The system board is equipped with a 15-pin connector at loca- tion J2 for connecting an external game/MIDI por t.
45 2 Hardware Installation 2 1 O N 2.6.2 Internal Audio Connectors The CD-in (J1) and AUX-in (J4) connector s are use d to receive audio from a CD-ROM drive, TV tuner or MPEG card.
46 2 Hardware Installation 2 1 ON 2.6.3 S/PDIF Connector " The S/PDIF connector (J5) is used to connect external S/PDIF por ts. The S/PDIF por ts may be mounted on a card-edge bracket. Install the card-edge bracket to the system chassis then connect the audio cable connector to J5.
47 2 Hardware Installation 2 1 O N 2.6.4 Flopp y Disk Drive Connector The system board is equipped with a shrouded floppy disk drive connector for connecting a standard flopp y disk dr ive. T o prev ent improper floppy cable installation, the shrouded floppy disk header has a keying mechanism.
48 2 Hardware Installation 2 1 ON 2.6.5 Serial A T A Connectors Connect one end of the SA T A cable to J22 (SA T A 2) or J23 (SA T A 1) and the other end to your serial A T A device . BIOS Setting Configure the Serial A T A dr ives in the Integrated P er ipherals submenu (“OnChip IDE Device” section) of the BIOS.
49 2 Hardware Installation 2 1 O N 2.6.6 IDE Disk Drive Connector The system board is equipped with two shrouded PCI IDE headers that will interface four Enhanced IDE (Integrated Drive Electronics) disk dr iv es. T o prevent improper IDE cable installation, each shrouded PCI IDE header has a keying mechanism.
50 2 Hardware Installation Note: Refer to your disk drive user’s manual for information about selecting proper drive switch settings. Adding a Second IDE Disk Drive When using two IDE drives, one must be set as the master and the other as the slav e .
51 2 Hardware Installation 2 1 ON 2.6.7 IrD A Connector Connect your IrD A cable to connector J7 on the system board. Note: The sequence of the pin functions on some IrDA cable may be reversed from the pin function defined on the system board. Make sure to connect the cable to the IrDA connector according to their pin functions.
52 2 Hardware Installation 2 1 O N ! 2.6.8 Cooling Fan Connectors Connect the CPU fan’ s cable connector to the CPU fan connec- tor (J13) on the system board. Connect the Intel 875P fan’ s cable connector to the NB fan connector (J27) on the system board.
53 2 Hardware Installation 2 1 ON 2.6.9 W ake-On-LAN Connector Y our LAN card package should include a cable. Connect one end of the cable to the wakeup header on the card and the other end to location J10 on the system board. The network will detect Magic Pac ket and asser t a wake up signal to po wer -up the system.
54 2 Hardware Installation 2 1 ON 2.6.10 Chassis Open Connector 2 1 Ground Chassis signal " The system board suppor ts the chassis intrusion detection func- tion. T o use this function, connect the chassis intr usion sensor cable from the chassis to J6.
55 2 Hardware Installation 2 1 ON 2.6.11 LEDs DIMM Standby Power LED This LED will turn red when the system’ s pow er is on or when it is in the Suspend state (P ow er On Suspend or Suspend to RAM). It will not light when the system is in the Soft-Off state.
56 2 Hardware Installation Ear ly program chipset reg- ister before POST . T esting memor y presence. Detecting memor y siz e . No memor y present. Programming DRAM tim- ing register . Calculating DRAM size variable including row , col- umn and bank. Initializing JEDEC of cur - rent DRAM row .
57 2 Hardware Installation 2 1 ON 2.6.12 Power Connectors W e recommend that you use a po wer supply that complies with the A TX12V P ower Suppl y Design Guide V er sion 1.1. An A TX12V pow er supply has a standard 20-pin A TX main power connector and a 4-pin +12V power connector that m ust be inser ted onto CN9 and CN8 connector s respectively .
58 2 Hardware Installation 2 1 ON 2.6.13 Front Panel Connectors HD-LED: Primary/Secondary IDE LED This LED will light when the hard drive is being accessed. RESET: Reset Switch This switch allows you to reboot without having to power off the system thus prolonging the life of the power supply or system.
59 2 Hardware Installation PWR-LED: Power/Standby LED When the system’ s power is on, this LED will light. When the system is in the S1 (POS - P ower On Suspend) state, it will blink ev er y second. When the system is in the S3 (STR - Suspend T o RAM) state , it will blink ever y second.
60 3 BIOS Setup 3.1 A ward BIOS Setup Utility The Basic Input/Output System (BIOS) is a program that takes care of the basic level of communication between the processor and peripherals. In addition, the BIOS also contains codes for various advanced features found in this system board.
61 3 BIOS Setup The settings on the screen are for reference only . Y our ver sion may not be identical to this one. 3.1.1.1 Date The date format is <day>, <month>, <date>, <year>. Day displays a day , from Sunday to Saturday .
62 3 BIOS Setup The settings on the screen are for reference only . Y our ver sion may not be identical to this one. IDE HDD Auto Detection Detects the parameter s of the drive.
63 3 BIOS Setup Capacity Displays the approximate capacity of the disk drive. Usually the size is slightly greater than the size of a formatted disk given by a disk checking program. Cylinder This field displa ys the number of cylinder s. Head This field displays the number of read/write heads.
64 3 BIOS Setup 3.1.1.5 Video This field selects the type of video adapter used for the primar y system monitor . Although secondar y monitor s are suppor ted, you do not hav e to select the type . The default setting is EGA/V GA. EGA/VGA Enhanced Gr aphics Adapter/Video Gr aphics Ar ray .
65 3 BIOS Setup 3.1.1.8 Extended Memory Displays the amount of extended memor y detected dur ing boot-up . 3.1.1.9 T otal Memor y Displays the total memor y availab le in the system.
66 3 BIOS Setup 3.1.2 Advanced BIOS Featur es The Advanced BIOS Features allows y ou to configure y our system for basic operation. Some entries are defaults required by the system board, while other s, if enabled, will improve the perf or mance of your system or let you set some features according to your preference.
67 3 BIOS Setup 3.1.2.4 CPU L3 Cache This field is used to enab le or disable the CPU’ s L3 cache . 3.1.2.5 Hyper -Threading T echnolog y (for Intel ® P entium ® 4 Processor with Hyper -Threading .
68 3 BIOS Setup 3.1.2.10 Gate A20 Option This entr y allows y ou to select how gate A20 is handled. Gate A20 is a device used to address memor y above 1 Mbyte.
69 3 BIOS Setup 3.1.2.14 Security Option This field determines when the system will prompt for the password - ever ytime the system boots or only when you enter the BIOS setup.
70 3 BIOS Setup 3.1.3 Advanced Chipset Features This section gives you functions to configure the system based on the specific f eatures of the chipset. The chipset manages bus speeds and access to system memor y resources. These items should not be alter ed unless necessar y .
71 3 BIOS Setup Manual If you want y our system to r un at a perfor mance better than the one “by SPD”, select “Manual” then select the best option in the “C AS Latency Time” to “DRAM RAS# Precharge” fields. 3.1.3.2 CAS Latency Time This field is used to select the local memor y clock per iods.
72 3 BIOS Setup 3.1.3.8 System BIOS Cacheable When this field is enabled, accesses to the system BIOS ROM addressed at F0000H-FFFFFH are cached, provided that the cache controller is enabled. The larger the r ange of the Cache RAM, the higher the efficiency of the system.
73 3 BIOS Setup 3.1.3.13 DRAM Data Integrity Mode The ECC (Er ror Checking and Correction) function is suppor ted only in x72 (72-bit) PC SDRAM DIMMs. If you are using x64 (64-bit) PC SDRAM DIMMs, set this field to Non-ECC . Non-ECC Uses x64 PC SDRAM DIMM.
74 3 BIOS Setup 3.1.4 Integrated Peripherals The settings on the screen are for reference only . Y our ver sion ma y not be identical to this one. 3.1.4.1 OnChip IDE Device Mov e the cur sor to this f ield and press <Enter>. The following screen will appear .
75 3 BIOS Setup IDE HDD Block Mode Enabled The IDE HDD uses the block mode. The system BIOS will check the hard disk drive for the maximum block size the system can transfer . The block size will depend on the type of hard disk drive. Disabled The IDE HDD uses the standard mode.
76 3 BIOS Setup IDE Primary Master/Slave UDMA and IDE Secondary Master/ Slave UDMA These fields allo w you to set the Ultra DMA in use . When Auto is selected, the BIOS will select the best available option after checking your hard drive or CD-ROM. Auto The BIOS will automatically detect the settings for you.
77 3 BIOS Setup 3.1.4.2 Onboard Device Mov e the cur sor to this f ield and press <Enter>. The following screen will appear . The settings on the screen are for reference only . Y our ver sion ma y not be identical to this one. USB Controller Enabled Enables the onboard USB.
78 3 BIOS Setup 3.1.4.3 Super IO Device Mov e the cur sor to this f ield and press <Enter>. The following screen will appear . The settings on the screen are for reference only . Y our v er sion may not be identical to this one. Power On Function This field allo ws you to use the keyboard or PS/2 mouse to po wer - on the system.
79 3 BIOS Setup Keyboard 98 When this option is selected, press the “wake up” key of the Windows 98 compatible keyboard to power -on the system. KB Power On Password Mov e the cur sor to this field and press <Enter>. Enter your pass- word.
80 3 BIOS Setup RxD , TxD Active The options are Hi, Lo; Lo, Hi; Lo, Lo; and Hi, Hi. IR T ransmission Dela y If this field is Enabled, transmission of data will be slower . This is recommended when you encounter transmission problem with your device .
81 3 BIOS Setup If you selected EPP , the “EPP Mode Select” field is selectab le . If you selected ECP , the “ECP Mode Use DMA” field is selectab le . If you selected ECP+EPP , both “EPP Mode Select” and “ECP Mode Use DMA” are selectable.
82 3 BIOS Setup Onboard Serial Port 3 (G4H875-N only) This field is used to select the serial por t 3’ s I/O address. Onboard Serial Port 3 IRQ (G4H875-N only) This field is used to select the serial por t 3’ s IRQ address. This field is not configurable if the “Onboard Ser ial P or t 3” field is set to Disabled.
83 3 BIOS Setup 3.1.5 Power Management Setup The P ower Management Setup allo ws you to conf igure your system to most effectiv ely sav e ener gy . 3.1.5.1 A CPI Function This function should be enabled only in operating systems that sup- por t A CPI.
84 3 BIOS Setup 3.1.5.3 Run V GABIOS if S3 Resume When this field is set to Auto, the system will initialize the V GA BIOS when it wakes up from the S3 state. This can be configured only if the “A CPI Suspend T ype” field is set to “S3(STR)”. 3.
85 3 BIOS Setup 3.1.5.8 MODEM Use IRQ This field is used to set an IRQ channel for the modem installed in your system. 3.1.5.9 Suspend Mode This is selectable onl y when the P ow er Management field is set to User Define.
86 3 BIOS Setup 3.1.5.12 W ake-Up b y PCI Card Enabled This field should be set to Enabled only if your PCI card such as LAN card or modem card uses the PCI PME (P ow er Management Event) signal to remotely wake up the system. Access to the LAN card or PCI card will cause the system to wake up.
87 3 BIOS Setup 3.1.5.17 Resume By Alarm Enabled When Enabled, you can set the date and time you would lik e the Soft P ow er Down (Soft-Off) PC to pow er -on in the “Date (of Month) Alarm” and “Time (hh:mm:ss) Alar m” fields.
88 3 BIOS Setup 3.1.6 PnP/PCI Configurations This section descr ibes conf igur ing the PCI bus system. It covers some ver y technical items and it is strongly recommended that only exper ienced users should make any changes to the default settings. The settings on the screen are for reference only .
89 3 BIOS Setup 3.1.6.3 IRQ Resources Mov e the cur sor to this field and press <Enter>. The “IRQ-3” to “IRQ-15” fields will appear . Set each system inter r upt to either PCI Device or Reser ved. 3.1.6.4 PCI/V GA Palette Snoop This field determines whether the MPEG ISA/VESA V GA cards can wor k with PCI/V GA or not.
90 3 BIOS Setup 3.1.7 PC Health Status 3.1.7.1 Shutdown T emperatur e Y ou can prevent the system from ov erheating by selecting a tem- perature in this field. If the system detected that its temperature exceeded the one set in this field, it will automatically shutdown.
91 3 BIOS Setup 3.1.7.4 VCC3(V), +12(V), -12(V), VCC(V), VB A T(V) and 5VSB(V) These fields show the output v oltage of the power suppl y . Note: The onboard hardware monitor function is capable of de.
92 3 BIOS Setup 3.1.8 Frequency/V oltage Contr ol The settings on the screen are for reference only . Y our ver sion may not be identical to this one. 3.1.8.1 CPU Clock Ratio This field is used to select the CPU’ s frequency r atio . Important: The frequency ratio of some processors may have been locked by the manufacturer .
93 3 BIOS Setup 3.1.8.5 CPU Clock This field provides several options for selecting the external system bus clock of the processor . The available options allo w you to adjust the processor’ s bus clock by 1MHz increment.
94 3 BIOS Setup 3.1.9 Load Fail-Safe Defaults The “Load Fail-Safe Defaults” option loads the troubleshooting default values permanently stored in the ROM chips. These settings are not optimal and turn off all high perfor mance features. Y ou should use these values only if you have hardware problems.
95 3 BIOS Setup 3.1.10 Load Optimized Defaults The “Load Optimized Defaults” option loads optimized se ttings from the BIOS ROM. Use the default values as standard values for your system. Highlight this option in the main menu and press <Enter>.
96 3 BIOS Setup 3.1.11 Set Supervisor Password If you want to protect your system and setup from unauthorized entr y , set a super visor’s passw ord with the “System” option selected in the Advanced BIOS Features.
97 3 BIOS Setup 3.1.12 Set User Password If you want another user to ha ve access only to your system but not to setup, set a user’ s password with the “System” option se- lected in the Advanced BIOS Features.
98 3 BIOS Setup 3.1.13 Sa ve & Exit Setup When all the changes hav e been made , highlight “Save & Exit Setup” and press <Enter>. T ype “Y” and press <Enter>. The modifications y ou hav e made will be wr itten into the CMOS memor y , and the system will reboot.
99 3 BIOS Setup 3.1.14 Exit Without Sa ving When you do not want to save the changes you have made, highlight “Exit Without Saving” and press <Enter>. T ype “Y” and press <Enter>. The system will reboot and y ou will once again see the initial diagnostics on the screen.
100 3 BIOS Setup 3.2 Updating the BIOS T o update the BIOS, you will need the new BIOS file and a flash utility , A WDFLASH.EXE. Please contact technical suppor t or y our sales representative for the files. Note: A WDFLASH.EXE wor ks only in DOS mode.
101 3 BIOS Setup 6 . The following will appear . Do Y ou W ant to Sav e BIOS (Y/N) This question refers to the cur rent existing BIOS in your system. W e recommend that you sa ve the current BIOS and its flash utility; just in case you need to reinstall the BIOS.
102 4 Supported Software 4.1 Desktop Management Interface (DMI) The system board comes with a DMI built into the BIOS. DMI, along with the appropriately networ ked software , is designed to make inv entor y , maintenance and troubleshooting of computer sys- tems easier .
103 4 Supported Software 4.1.2 Using the DMI Utility The four menus located on top of the DMI Configuration Utility screen are Edit DMI, Add DMI, Load DMI File and Sa ve DMI File . Use the ← or → (left or right) arrow keys to select a menu from the Menu bar .
104 4 Supported Software Add DMI 1. Use the ← or → ar ro w keys to select the Add DMI menu. 2. Highlight the item on the left screen that you would like to add by using the ↑ or ↓ arrow keys, then press <Enter>. 3. The cur sor will mov e to the screen y ou select allowing y ou to enter information about the added item.
105 4 Supported Software 4.2 Drivers, Utilities and Softwar e Applications The CD that came with the system board contains driver s, utilities and software applications required to enhance the performance of the system board. Inser t the CD into a CD-ROM drive.
106 4 Supported Software 4.2.1 Intel 875 INF Update Utility The Intel 875 INF Update Utility is used for updating Windows 98SE/2000/ME/XP's INF files so that the Intel chipset can be recognized and conf igured proper l y in the system. T o install the utility , please follow the steps belo w .
107 4 Supported Software 4.2.2 Intel LAN Drivers T o install the driver , please follo w the steps below . 1 . Click “Intel LAN Dr ivers” on the main menu. 2 . Click “Wired LAN Adapter s”. The following screen will appear . 3 . Click “Install Software”.
108 4 Supported Software 4.2.3 Intel USB 2.0 Drivers If you are using a USB 2.0 device, you must install the USB 2.0 driver . The dr ivers are suppor ted in the follo wing operating systems: Windows 98 SE, Windows ME and Windows 2000. T o install the dr iver , please follow the steps belo w .
109 4 Supported Software Important: If you are using W indo ws ® ® ® ® ® XP , you must install the Windows Ser vice P ack 1 USB 2.0 dr iver which comes av ailable after you have installed the operating system. 2 . Follow the installation instr uctions shown on the screen.
110 4 Supported Software 4.2.4 Au d i o Dr i v e r s The audio dr ivers are suppor ted in the following operating sys- tems: Windows 98SE, Windows ME, Windows NT 4.0, Windows 2000 and Windows XP . T o install the driver , please follo w the steps below .
111 4 Supported Software 4.2.5 Microsoft DirectX 9 T o install, please follo w the steps below . 1 . Click “Microsoft DirectX 9” on the main menu. The following screen will appear . 2 . Click “I accept the agreement” then click “Next”. 3 .
112 4 Supported Software 4.2.6 Hardware Doctor Hardware Doctor is capable of monitoring the system’s hardware conditions such as the temperature of the CPU and system, volt- age, and speed of the cooling fans. It also allows you to manually set a range to the items being monitored.
113 4 Supported Software 4.3 Installation Notes 1. "Autor un" ONL Y suppor ts the Windows 98 SE, Windows ME, Windows 2000, Windows NT 4.
A 114 Enabling Hyper -Threading T echnolog y A . 1 Enabling Hyper -Thr eading T echnolog y T o enable the functionality of the Hyper -Threading T echnology , please follo w the requirements and steps below . Basically , the follo wing presumes that you ha ve already installed an Intel ® P entium ® 4 Processor with Hyper -Threading T echnology .
A Enabling Hyper -Threading T echnolog y 115 d. Now click the Hardware tab then click Device Manager . The items shown under Computer and Processors should resemble the ones shown belo w . c. Click the Gener al tab . The processor shown under Computer should resemble the one shown belo w .
A 116 Enabling Hyper -Threading T echnolog y e. Lastly , press the <Ctr l> <Alt> and <Del> keys simultaneously . The Windows T ask Manager dialog box will appear . Click the P erfor mance tab . The diagr am under CPU Usage Histor y should resemble the one shown below .
B CPU Fan Protection 117 The CPU must be kept cool by using a CPU fan with heat sink. Without sufficient air circulation across the CPU and heat sink, the CPU will overheat damaging both the CPU and system board. The system board suppor ts the CPU Fan Protection function.
C 118 CPU T emperature Protection The CPU T emper ature Protection function has the capability of monitor ing the CPU’ s temper ature dur ing system boot-up . T o use the CPU T emper ature Protection function, please follow the steps below . 1 . Select the “PC Health Status” submenu in the BIOS.
D System Error Message 119 When the BIOS encounter s an error that requires the user to correct something, either a beep code will sound or a message will be displayed in a box in the middle of the screen and the message, PRESS F1 T O CONTINUE, CTRL-AL T -ESC or DEL T O ENTER SETUP , will be shown in the information box at the bottom.
D 120 System Error Message setting than indicated in Setup. Determine which setting is correct, either turn off the system and change the jumper or enter Setup and change the VIDEO selection. FLOPPY DISK(S) fail (80) Unable to reset floppy subsystem. FLOPPY DISK(S) fail (40) Floppy type mismatch.
E T roubleshooting 121 E.1 T roubleshooting Checklist This chapter of the manual is designed to help you with problems that you ma y encounter with your per sonal computer . T o efficiently troubleshoot your system, treat each prob lem individually . This is to ensure an accurate diagnosis of the problem in case a problem has multiple causes.
E 122 T roubleshooting The picture seems to be constantly moving. 1. The monitor has lost its ver tical sync . Adjust the monitor’s v er tical sync. 2. Move away any objects, such as another monitor or fan, that may be creating a magnetic f ield around the display .
E T roubleshooting 123 Hard Drive Hard disk failure. 1. Make sure the correct drive type for the hard disk drive has been entered in the BIOS. 2. If the system is configured with two hard drives, make sure the bootable (f i r st) hard drive is configured as Master and the second hard drive is configured as Sla ve.
E 124 T roubleshooting Serial Port The serial device (modem, printer) doesn’ t output anything or is outputting garbled characters. 1 . Make sure that the ser ial device’ s power is turned on and that the device is on-line. 2 . V e rify that the device is plugged into the cor rect ser ial por t on the rear of the computer .
デバイスIntel G4H875-Cの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Intel G4H875-Cをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはIntel G4H875-Cの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Intel G4H875-Cの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Intel G4H875-Cで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Intel G4H875-Cを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はIntel G4H875-Cの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Intel G4H875-Cに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちIntel G4H875-Cデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。