AOpen AX6BC PROII Datenblatt

Jumper-less Design

Over-current and Thermal Protection

PC99 Back Panel

CPU Fan Connector

System Voltage and Fan Monitoring

Resettable Fuse

DIMM1

DIMM2

DIMM3

System Memory up to 768MB

ATX Power Connector

AC Power Auto Recovery

Low ESR Capacitor

FDC

Intel 440BX Chipset

IrDA

JP14 Clear CMOS

Battery-less and

Long Life Design

2Mb Flash ROM

Multi-language BIOS

irus Protection

Wake on Time

Panel Connecto

HDD LED

WOL

Wake on LAN

IDE2

IDE1

UDMA/33

Suspend to Hard Drive

Housing Fan

JP23

AGP/Host Clock Ratio

AGP Turbo

PCI Bus

SB-Link

Keyboard

PS/2 Mouse

COM1 COM2

Printer

USB

WOM

Zero Voltage Wake on Modem

JP25 AC Power Auto Recovery

Soft-Power Switch

Hard Drive IDE cable x 1

Floppy Drive cable x 1

Bonus Pack CD disc x 1

This Easy Installation Guide x 1

JP14 Clear CMOS

Normal Operation

(default) Clear CMOS

123 1 2 3

traditional ATX system should remain at power off stage when AC

power resumes from power failure. This design is inconvenient for a

network server or workstation without an UPS, that needs to keep

power-on when power comes back. Enable JP25 can solve this

problem.

JP25 AC Power Auto Recovery

Disable Enable

Everything you need to boot this

motherboard is included in this Easy

Installation Guide. For more

information, a complete Online User's

Manual can be found in the Bonus

Pack CD Disc. Thanks for the help of

saving our earth. Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

You can clear CMOS to restore system default setting. To clear

the CMOS, follow the procedure below.

1. Turn off the system and unplug the AC power.

2. Remove ATX power cable from connector PWR2.

3. Locate JP14 and short pins 2-3 for a few seconds.

4. Return JP14 to its normal setting by shorting pins 1-2.

5. Connect ATX power cable back to connector PWR2.

PART NO.: 49.87832.013 DOC. NO. : AX6BC-EG-E0001A

Installing CPU and Fan Setting AGP / FSB Clock Ratio

Plug CPU to slot1 connector. Be careful of CPU

orientation. Plug in the fan cable to the 3-pin

CPUFAN or FAN connector.

GND

+12V

SENSE

Setting CPU Core Voltage

This motherboard supports Pentium II / Pentium III CPU VID function. The CPU

core voltage will be automatically detected and the range is from 1.3V to 3.5V.

Setting CPU Frequency

The CPU frequency selection is set by going into:

BIOS Setup > Chipset Features Setup > CPU Clock Frequency

CPU Ratio 1.5x, 2x, 2.5x, 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x, 7.5x, and 8x

CPU FSB 66.8, 68.5, 75, 83.3, 100, 103, 112, 117, 124, 129, 133.3, 138, 143,

148 and 153 MHz.

Core Frequency = CPU FSB Clock * CPU Ratio

CPU CPU Core Frequency FSB Clock Ratio

Celeron 300A 300MHz = 66MHz 4.5x

Celeron 366 366MHz= 66MHz 5.5x

Pentium II 233 233MHz = 66MHz 3.5x

Pentium II 333 333MHz = 66MHz 5x

Pentium II 350 350MHz= 100MHz 3.5x

Pentium II 400 400MHz = 100MHz 4x

Pentium III 450 450MHz= 100MHz 4.5x

Pentium III 500 500MHz = 100MHz 5x

Pentium III 550E 550MHz = 100MHz 5.5x

Pentium III 600E 600MHz = 100MHz 6x

Pentium III 650E 650MHz = 100MHz 6.5x

Pentium III 700E 700MHz = 100MHz 7x

Note: Some CPU fans do not have

sense pin, so that cannot support

fan monitoring.

Warning: INTEL 440BX chipset supports maximum 100MHz

FSB and 66MHz AGP clock, higher clock setting may cause

serious system damage.

Tip: If your system hangs or fails to boot

because of overclocking, simply use

<Home> key to restore the default setting

(233MHz).

Home

AGP Clock = CPU FSB Clock x Clock Ratio

Clock Ratio CPU FSB Clock AGP Clock

Auto with 66MHz CPU, 1/1 66MHz 66MHz

Auto with 100/133MHz CPU, 2/3 100MHz 66MHz

Auto with 100/133MHz CPU, 2/3, overclocking 133MHz 88.6MHz

2/3, overclocking 100MHz 66MHz

2/3, overclocking 133MHz 88.6MHz

2/3, overclocking 153MHz 102MHz

1/1, overclocking 100MHz 100MHz

1/1, overclocking 133MHz 133MHz

1/1, overclocking 153MHz 153MHz

Auto (default) 2/3 1/1

It is recommended to set JP23 at Auto unless you

are overclocking. There are two CPU types, 66MHz

FSB and 100/133MHz FSB. If JP23 is set at Auto,

the AGP clock ratio will be automatically

determined by chipset. For 66M CPU, it is 1/1, for

100/133M CPU, it is 2/3. You can also manually

decide AGP frequency if you are overclocking.

2 4 6 2 4 6 2 4 6

1 3 5 1 3 5 1 3 5

Connecting IDE and Floppy Cable

Be careful of the pin1 orientation. Wrong orientation may cause system damage.

Pin1 of cable is normally marked with red color.

ttach the power LED, keylock, speaker, and reset

switch connectors to the corresponding pins. Locate

the power switch cable from your ATX housing. It is

2-pin female connector from the housing front panel.

Plug this connector to the soft-power switch connecto

marked SPWR.

Connecting Front Panel Cable

Connecting ATX Power Cable

The ATX power supply uses 20-pin connector shown

below. Make sure you plug in the right direction.

+12V

-12V

+5V 5VSB

+3.3V

+5V

PSON

-5V

GND

+5V PWOK

GND

Hard Disk LED

The HDD LED connector is designed for different type of housing, actually only two

pins are needed for the LED. If your housing has 4-pin connector, simply plug it in. If

you have only 2-pin connector, please connect to pin 1-2 or pin 3-4 according to the

polarity.

Speaker

Sleep LED

Keylock

Power LED

Reset

1+5V

GND

POWER LED

GND

SLEEP SWITCH

RESET

GND

KEYLOC

SLEEP LED

GND

SPEAKE

GND

SPEAKE

+Sleep SW

Pin 1

Pin 1 IDE1 (Primary)

IDE2 (Secondary)

Slave (4th)

Master (1st)Slave (2nd)

Master (3rd)

FDC

SPWR

HDD LED

GND

HDD LED

Win95 can not recognize this chipset, because it was released before Intel 440BX.

You can run AOchip.exe from AOpen Bonus Pack to eliminate the “?” marks.

Eliminate “?” mark from Win95

Tip: For Intel BX motherboard, no utility or

driver is essential to boot this motherboard, you

can run your system without installing any utility

or driver described in this installation guide.

Power-on and Load BIOS Setup

fter you finish the setting of jumpers and connect correct cables. Power

on and enter the BIOS Setup, press <Del> during POST (Power-On

Self Test). Choose "Load Setup Defaults" for recommended optimal

performance.

Del

Autorun Menu from Bonus CD Disc

You can use the autorun menu of Bonus CD disc. Choose the utility and

driver and select model name.

Warning: Please avoid of using

"Load Turbo Defaults", unless you

are sure your system components

(CPU, DRAM, HDD, etc.) are good

enough for turbo setting.

There is no need to install Bus Master IDE driver to support Ultra DMA/33 hard

disk. If you need this driver, you can find it in the AOpen Bonus Pack CD disc.

Installing Bus Master IDE Driver

Installing Hardware Monitoring Utility

You can install Hardware Monitoring Utility to monitor CPU temperature, fans and

system voltage. You can find it in the AOpen Bonus Pack CD disc.

Note: Installing this Bus Master IDE

driver may cause Suspend to Hard

Drive failure.

BIOS Upgrade

Open Easy Flash is more user friendly than traditional flash method. The BIOS binary

file and flash routine are combined together and you simply run a single file to complete

the flash process.

1. Get new BIOS upgrade program from AOpen's web site. For example,

AX6BC247.EXE. It is recommended to save it to a bootable DOS floppy diskette for

error recovery.

2. Reboot the system to DOS mode without loading any memory handler (such as

EMM386) or device driver. It needs around 520K free memory space.

3. Execute A:> AX6BC247

DO NOT turn off the power during FLASH PROCESS.

4. Reboot system and press

Del

to enter BIOS setup, Choose "Load Setup

Defaults", then “Save & Exit Setup”. Done!

Warning: The upgrade of new BIOS will permanently replace your

original BIOS content after flashing. The original BIOS setting and

Win95/Win98 PnP information will be refreshed and you probably

need to re-configure your system.

If you encounter any trouble to boot you system, follow the

procedures accordingly to resolve the problem.

Make sure if the jumper settings for CPU and DRAMs are correct.

Clear CMOS.

Install the VGA card. Then connect your monitor and keyboard.

Turn on the power, and check if the power supply and CPU

fan work properly.

Start

The problem was probably caused by

power supply or motherboard failure.

Please contact your reseller or local

distributor for repairing.

Check if there is display. Perhaps your VGA card or monitor is

defective.

Yes

Press Ctrl, and Alt key at the same time, hold them and then

press Del to see if the system reboots. No It is very possible that your keyboard is

defective.

During system rebooting, press Del to enter BIOS Setup. Choose "Load

Setup Default".

Turn off the system and re-connect the IDE cable.Check

if the system can reboot successfully. The problem should be caused by the

IDE cables or HDD itself.

Re-install Windows 95, Windows 98 or Windows NT.

Yes

End

Turn off the power and unplug the AC power cable, then remove all of

the addon cards and cables, including VGA, IDE, FDD, COM1, COM2

and Printer.

Part Number and Serial Number

The Part Number and Serial number are printed on bar code label. You can find

this bar code label on the outside packing, on ISA/CPU slot or on component

side of PCB. For example:

Model name and BIOS version

AX6BC R2.47 Jun.04.1999 AOpen Inc.

ward Plug and Play BIOS Extension v1.0A

Model name and BIOS version can be found on upper left corner of first boot

screen (POST screen). For example:

P/N: 91.88110.201 is part number, S/N: 91949378KN73 is serial number

AX6BC is model name of motherboard, R2.47 is BIOS version.

Dear Customer,

Thanks for choosing AOpen products. To provide the best and fastest service to

our customer is our first priority. However, we receive numerous emails and

hone-calls worldwide everyday, it is very hard for us to serve everyone on time.

We recommend you follow the procedures below and seek help before contact us.

With your help, we can then continue to provide the best quality service to more

customers.

Thanks very much for your understanding!

Open Technical Supporting Team

Email : Send us email by going through the contact form below.

English http://www.aopen.com.tw/tech/contact/techusa.htm

Japanese http://aojp.aopen.com.tw/tech/contact/techjp.htm

Chinese http://w3.aopen.com.tw/tech/contact/techtw.htm

TEL:

USA 650-827-9688

Netherlands +31 73-645-9516

China (86) 755-375-3013

Taiwan (886) 2-2696-1333

Online Manual: Please check the manual carefully and make sure the

jumper settings and installation procedure are correct.

http://www.aopen.com.tw/tech/download/manual/default.htm

Test Report: We recommend to choose board/card/device from the

compatibility test reports for assembling your PC.

http://www.aopen.com.tw/tech/report/default.htm

FAQ: The latest FAQ (FrequentlyAsked Questions) may contain a

solution to your problem.

http://www.aopen.com.tw/tech/faq/default.htm

Download Software: Check out this table to get the latest updated

BIOS/utility and drivers.

http://www.aopen.com.tw/tech/download/default.htm

News Group: Your problem probably had been answered by our support

engineer or professional users on the news group.

http://www.aopen.com.tw/tech/newsgrp/default.htm

Contact Distributors/Resellers: We sell our products through

resellers and integrators. They should know your system

configuration very well and should be able to solve your problem

more efficiently than us. After all, their attitude of service is an

important reference for you if next time you want to buy something

else from them.

before contacting us. The part number, serial number and BIOS version

are also very helpful.

Web : http://www.aopen.com

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