Abit BH6 User Manual

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Copyright and Warranty Notice

The information in this document is subject to change without notice and does not represent a commitment on part of the vendor, who assumes no liability or responsibility for any errors that may appear in this manual.

No warranty or representation, either expressed or implied, is made with respect to the quality, accuracy or fitness for any particular part of this document. In no event shall the manufacturer be liable for direct, indirect, special, incidental or consequential damages arising from any defect or error in this manual or product.

Product names appearing in this manual are for identification purpose only and trademarks and product names or brand names appearing in this document are property of their respective owners.

This document contains materials protected under International Copyright Laws. All rights reserved. No part of this manual may be reproduced, transmitted or transcribed without the expressed written permission of the manufacturer and authors of this manual.

If you do not properly set the motherboard settings causing the motherboard to malfunction or fail, we cannot guarantee any responsibility.

BH6 Motherboard





Table of Contents











Introduction of BH6 Features








Layout diagram




The system block diagram








Installing the Motherboard




Installing the Motherboard to the Casing




Standard External Connectors




Jumper and Switches




Installation of the Pentium II/III, CeleronCPU




Installing System Memory








Introduction of BIOS




CPU Setup




Standard CMOS Setup Menu




BIOS Features Setup Menu




Chipset Features Setup Menu




Power Management Setup Menu




PNP/PCI Configuration




Load Setup Defaults




Integrated Peripherals




Password Setting



IDE Hard Disk Detection



Save & Exit Setup



Exit Without Saving


Part No: MN-130-2A5-51


Appendix A Quick Installation

Appendix B General Discussion About HDD Installation

Appendix C Flash BIOS User Instructions

Appendix D How to install the IDE Bus Master driver

Appendix E How to install the PCI bridge driver for 440BX chipset

Appendix F Install HighPoint XStore Pro Utility

Appendix G Technical Support

Introduction Of BH6 Features


Chapter 1 Introduction Of BH6 Features

The motherboard is designed for a new generation CPUs. It supports the Intel SLOT1 structure (Pentium II/III and Celeronprocessors), up to 768MB of memory, super I/O, and Green PC functions. The motherboard provides high performance for server systems and meets the requirements for desktop system for multimedia in the future.



z CPU SOFT MENUII eliminates the need for jumpers or DIP switches

needed to set CPU parameters

z Employs switching type regulators to stabilize CPU operationz Supports 66 and 100MHz MHz CPU external clock speeds

z Supports Intel® Pentium® III 450 ~ 500MHz processor cartridge (Based on


z Supports Intel® Pentium® II 350 ~ 450MHz processor cartridge (Based on 100MHz) and Pentium® II 233 ~ 333MHz processor cartridge (Based on


z Supports Intel® Celeron266MHz~433MHz processor (Based on 66MHz)

2. Chipset

zIntel® 440BX chipset (82443BX and 82371EB)

zSupports Ultra DMA/33 IDE protocol

zSupports Advanced Configuration and Power Management Interface(ACPI)

zAccelerated Graphics Port connector supports AGP 1x and 2x mode (Sideband) 3.3V device

3.Cache Memory

zLevel 1 and Level 2 cache built into Intel® Pentium® II/III processor cartridge

z Level 1 cache (without L2 cache) built into Intel® Celeronprocessorn

4. Memory (DRAM)

zThree 168-pinDIMM sockets support SDRAM modules

zSupports up to 768MB

zECC support

5.System BIOS


zSupports Plug-and-Play(PnP)

zSupports Advanced Configuration Power Interface (ACPI)

zSupports Desktop Management Interface (DMI)

zYear 2000 compliant


Chapter 1

Multi I/O Functions

Floppy port supports up to 2.88MB, and 3 mode floppiesUltra DMA/33 bus master IDE supports up to 4 IDE devices

( Including LS-120MB floppy drive )

Built-inStandard/EPP/ECP parallel port connector

Twobuilt-in16550 fast UART compatible serial port connectorsBuilt-inPS/2 keyboard and PS/2 mouse port connectors

z Built-instandard IrDA TX/RX headerTwobuilt-inUSB connectors


ATX form factor

One AGP slot, Five PCI slots and Two ISA slotsWake Up On LAN header


z Hardware monitoring Included fan speed, voltages, and system environment temperature

Board size: 305 * 190mm

Note: All brand names and trademarks are the property of their respective owners.n Only Celeron300A and 333 processors have built in Level 2 cache.

Above 66MHz/100MHz bus speed supported but not guaranteed due to the PCI and chipset specs.

Sound Blasteris a registered trademark of Creative Technology Ltd in the United States and certain other countries. SoundBlaster-LINK andSB-LINK are trademarks of Creative Technology Ltd.

Specifications and information contained in this manual are subject to change without notice.

Introduction Of BH6 Features


(2) Layout Diagram

Figure 1-1Motherboard Component Locations


Chapter 1

(3) The System Block Diagram

Installing the Motherboar


Chapter 2 Installing the Motherboard

This BH6 motherboard not only provides all standard equipment for classic personal computers, but also provides great flexibility for meeting future upgrade demands. This chapter will introduce step by step all the standard equipment and will also present, as completely as possible, future upgrade capabilities. This motherboard is able to support all Intel Pentium II/III processors and Intel Celeronprocessor now on the market. (For details, see specifications in Chapter 1.)

This chapter is organized according the following features:

Installing the Motherboard to the Casing

Standard external connectors

Jumpers and switches


Installation of the Pentium II/III, CeleronCPU


Installing the system memory


Before proceeding with the installation

Before installing the motherboard please be sure to turn off or disconnect the power supply unit. Before making any modifications to the hardware configuration of the motherboard, the power supply to any areas of the motherboard you plan to modify should be turned off to avoid unnecessary damage to the hardware.


User friendly instructions

Our objective is to enable the novice computer user to perform the installation by themselves. We have attempted to write this document in a very clear, concise and descriptive manner to help overcome any obstacles you may face during installation. Please read our instructions carefully and follow them step-by-step.


Chapter 2

Installing the Motherboard to the Casing

Most computer chassis will have a base on which there will be many mounting holes that allows the motherboard to be securely attached and at the same time, prevents short circuits.

There are two ways to attach the motherboard to the base of chassis:

zwith studzor with spacer

Please refer the figure below show the studs and spacers, they may have several types, but all look like the figure below:

In principle, the best way to attach the motherboard is with studs, and only if you are unable to do this should you attach the board with spacers. Take a careful look at the motherboard and you will see many mounting holes on it. Line these holes up with the mounting holes on the base. If the holes line up, and there are screw holes this means you can attach the motherboard with studs. If the holes line up and there are only slots, this means you can only attach the motherboard with spacers. Take the tip of the spacers and insert it into the slots. After doing this to all the slots, you can slide the motherboard into position aligned with the slots. After the motherboard has been positioned, check to make sure everything is OK before putting the casing back on.

The figure below will show you the way to fix the motherboard using with the stub and spacer: