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G4H875-N
G4H875-C
G4H875-B
Rev. A+
System Board
User’s Manual
935-G4H875-000
A77100333
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Copyright This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders. This publication is provided for informational purposes only. The manufacturer makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability
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Battery: • Danger of explosion if battery incorrectly replaced. • Replace only with the same or equivalent type recommend by the manufacturer. • Dispose of used batteries according to the battery manufacturer’s instr uctions. Joystick or MIDI port: • Do not use any joystick or MIDI device that requires more than 10A current at 5V DC. There is a risk of fire for devices that exceed this limit. FCC and DOC Statement on Class B This equipment has been tested and found to comply with the limi
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Notice An electronic file of this manual is included in the CD. To view the user’s manual, insert the CD into a CD-ROM drive. The autorun screen (Main Board Utility CD) will appear. Click “User’s Manual” on the main menu.
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Table of Contents Chapter 1 - Introduction 1.1 Features and Specifications.................................................................................. 7 1.2 Hyper-Threading Technology Functionality Requirements..... 15 1.3 Package Checklist............................................................................................................. 15 Chapter 2 - Hardware Installation 2.1 System Board Layout ...................................................................................
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1 Introduction Appendix A - Enabling the Hyper-Threading Technology A.1 Enabling the Hyper-Threading Technology......................................... 114 Appendix B - CPU Fan Protection B.1 CPU Fan Protection............................................................................................. 117 Appendix C - CPU Temperature Protection C.1 CPU Temperature Protection....................................................................... 118 Appendix D - System Error Messages D.1 POST B
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1 Introduction Chapter 1 - Introduction 1.1 Features and Specifications 1.1.1 Features Chipset ® • Intel 875P chipset ® - Intel 82875P Memory 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 supported processors. ® ® • Intel Pentium 4 (Prescott and Northwood) processor up to 3.2GHz+ - Intel Hyper-Threading Technology - FSB: 533MHz and 800MHz ® ® • Intel Celeron processor - 400MHz system data
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1 Introduction Density 128 Mbit 256 Mbit 512 Mbit Density Width X8 X16 X8 X16 X8 X16 SS/DS SS/DS SS/DS SS/DS SS/DS Single/Double SS/DS 128/256MB 64MB/NA 256/512MB 128MB/NA 512/1024MB 256MB/NA 184-pin DDR Performance Acceleration Technology (PAT) PAT mode is supported only when the system uses DDR400 with 800MHz FSB CPU. PAT performs data transactions directly from the CPU to the system memory, bypassing the normal path of operation. This reduces the MCH timing therefore providing improved system
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1 Introduction Onboard Audio Features • 18-bit stereo full-duplex codec with independent variable sam- pling rate • High quality differential CD input • True stereo line level outputs • 2-channel audio output Onboard LAN Features • 82547EI Gigabit LAN CSA interface (G4H875-N only) - Integrated power management functions - Full duplex support at both 10, 100 and 1000 Mbps - Supports IEEE 802.3u auto-negotiation - Supports wire for management • 82551QM fast ethernet controller (G4H875-N, G4H875-C
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1 Introduction USB Ports The system board supports USB 2.0 and USB 1.1 ports. USB 1.1 supports 12Mb/second bandwidth while USB 2.0 supports 480Mb/second bandwidth providing a marked improvement in device transfer speeds between your computer and a wide range of simultaneously accessible external Plug and Play peripherals. BIOS ® • Award BIOS, Windows 98SE/2000/ME/XP Plug and Play compatible • Supports DMI 2.0 function • 4Mbit or 8Mbit flash memory • Supports optional BIOS Write Protect function
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1 Introduction I/O Connectors • 1 connector for 2 additional external USB 2.0/1.1 ports (G4H875-B only) • 2 connectors for 2 external serial ports (G4H875-N only) • 1 front audio connector for external line-out and mic-in jacks • 1 connector for an external game/MIDI port • 2 internal audio connectors (CD-in and AUX-in) • 1 connector for IrDA interface • 2 Serial ATA connectors • 2 IDE connectors • 1 floppy connector • 2 ATX power supply connectors • 1 Wake-On-LAN connector • CPU fan, chassis fa
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1 Introduction 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 power-off. This preventive measure has been added to protect the CPU from damage and insure a safe computing environ- ment. CPU Temperature Protection The CPU Temperature Protection function has the capability of monitoring the CP
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1 Introduction Wake-On-LAN This feature allows the network to remotely wake up a Soft Power Down (Soft-Off) PC. It is supported via the onboard LAN port, via a PCI LAN card that uses the PCI PME (Power Management Event) signal or via a LAN card that uses the Wake-On-LAN connector. However, if your system is in the Suspend mode, you can power-on the system only through an IRQ or DMA interrupt. Important: The 5VSB power source of your power supply must support ≥720mA. Wake-On-PS/2 Keyboard/Mouse T
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1 Introduction ACPI The system board is designed to meet the ACPI (Advanced Con- figuration and Power Interface) specification. ACPI has energy saving features that enables PCs to implement Power Management and Plug-and-Play with operating systems that support OS Direct Power ® ® ® ® ® Management. Currently, only Windows 98SE/2000/ME/XP supports the ACPI function. ACPI when enabled in the Power Management Setup will allow you to use the Suspend to RAM function. With the Suspend to RAM function e
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1 Introduction 1.2 Hyper-Threading Technology Functionality Requirements Enabling the functionality of Hyper-Threading Technology for your computer system requires ALL of the following platforms. Components: ® ® • CPU - an Intel Pentium 4 Processor with HT Technology ® • Chipset - an Intel chipset that supports HT Technology • BIOS - a BIOS that supports HT Technology and has it enabled • OS - an operating system that includes optimizations for HT Technology Please refer to Appendix A for inform
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ON 1 2 2 Hardware Installation Chapter 2 - Hardware Installation 2.1 System Board Layout 1 KB/Mouse 1 1 CPU fan 2nd fan PS/2 KB/Mouse +12V power 1 power select (JP2) ATX power COM 1 1 DIMM Standby LED 1 USB 1-4 power select (JP3) Power-on select (JP6) COM 2 1 IDE 2 IDE 1 1 LAN 2; USB 3-4 North bridge fan LAN 1; USB 1-2 Intel Gigabit 82547EI Intel Line-out Line-in 82875P Mic-in 1 1 AGP Intel Channel 0 Channel 1 82551QM PCI Slot 1 Clear CMOS (JP5) 1 Chassis SATA 2 PCI Standby LED 1 1 open (J6) PCI
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ON 1 2 2 Hardware Installation 1 KB/Mouse 1 1 CPU fan 2nd fan PS/2 KB/Mouse +12V power 1 power select (JP2) ATX power COM 1 1 DIMM Standby LED 1 USB 1-4 power select (JP3) Power-on select (JP6) COM 2 1 IDE 2 IDE 1 1 USB 3-4 North bridge fan LAN; USB 1-2 Intel Line-out Line-in 82875P Mic-in 1 1 AGP Intel 82551QM Channel 0 Channel 1 PCI Slot 1 Clear CMOS (JP5) 1 SATA 2 Chassis PCI Standby LED 1 open (J6) 1 PCI Slot 2 Intel SATA 1 1 BIOS Write I/O Hance Protect (SW1) PCI Slot 3 Rapids 1 Game BIOS 1
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ON 1 2 2 Hardware Installation KB/Mouse 1 1 1 CPU fan 2nd fan PS/2 KB/Mouse +12V power power select (JP2) 1 ATX power COM 1 1 DIMM Standby LED 1 USB 1-2 power select (JP3) Power-on select (JP6) COM 2 1 IDE 2 IDE 1 1 North bridge fan LAN 1; USB 1-2 Intel Line-out Line-in 82875P Mic-in 1 1 AGP Intel Channel 0 Channel 1 82551QM PCI Slot 1 Clear CMOS (JP5) 1 Chassis SATA 2 PCI Standby LED 1 1 open (J6) PCI Slot 2 1 USB 3-4 power select (JP4) Intel SATA 1 1 I/O Hance 1 USB 3-4 PCI Slot 3 Rapids 1 Gam
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ON 1 2 2 Hardware Installation . . . Warning: . . . . . Electrostatic discharge (ESD) can damage your system board, processor, disk drives, add-in boards, and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the syst
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2 Hardware Installation The system board supports the following memory interface. Single Channel (SC) Data will be accessed in chunks of 64 bits (8B) from the memory channels. Virtual Single Channel (VSC) If both channels are populated with different memory configurations, the MCH defaults to Virtual Single Channel. Dual Channel (DC) Dual channel provides better system performance because it doubles the data transfer rate. Dynamic Mode Addressing This mode minimizes the overhead of opening/closi
