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PS/2 Mouse 

Connector

SPP/EPP/ECP Parallel Port

MIDI/Game Port 

MIC-In 

Line-In 

Speaker Out 

PS/2 Keyboard 

Connector 

USB Port 

COM 1 Port 

COM 2 Port 

FAN3 Connector

JP15 & 16 Dr. Voice Language

Select Jumper

CD-IN Connector

CNR Expansion Slot

IrDA Connector

Front Panel Connector

FDD Connector

Supports 2

nd

 USB Connector

JP14 CMOS Clear Jumper

4Mbit Flash ROM

Resettable Fuse 

478-pin CPU socket with Voltage and 
Frequency Auto-detection that supports 
Intel

®

 Pentium

®

 4 1.4~2.4GHz+ CPU 

AGP 4x Expansion Slot 
(for 1.5V AGP card)

 

32-bit PCI Expansion Slot x5

CPU Fan Connector with H/W 
Monitoring Function 

184-pin DIMM Socket x3 supports 
PC-200/266 DDR SDRAM   
maximum up to 2 GB 

Intel

®

 845 chipset (Brookdale) 

2200

μ

F Low ESR Capacitors 

ATX Power Connector 

AUX-IN Connector

4-pin 12V. ATX Power Connector 

Dr. LED Connector

JP30 Die Hard BIOS

Select jumper

(Upgrade optional)

RealTek ALC650 5.1 AC97 CODEC

Chassis Intrusion Connector

Front Audio Connector

Die  Hard  BIOS

(Upgrade optional)

WOL Connector

WOM Connector 

JP28 Keyboard/Mouse Wakeup 
Enable/Disable Jumper

 

Promise ATA/133 IDE Connector x2

FAN2 Connector

 

JP2 Jumper (speaker)

JP1 Jumper (Buzzer)

S/PDIF Connector

JP35 ATA/133

Enable/Disable Select Jumper

ATA/66/100 IDE Connector x2 

Summary of Contents for AX4B-133

Page 1: ... AGP card 32 bit PCI Expansion Slot x5 CPU Fan Connector with H W Monitoring Function 184 pin DIMM Socket x3 supports PC 200 266 DDR SDRAM maximum up to 2 GB Intel 845 chipset Brookdale 2200μF Low ESR Capacitors ATX Power Connector AUX IN Connector 4 pin 12V ATX Power Connector Dr LED Connector JP30 Die Hard BIOS Select jumper Upgrade optional RealTek ALC650 5 1 AC97 CODEC Chassis Intrusion Connec...

Page 2: ...re 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 pin 1 pin 2 5 Connect ATX power cable back to connector PWR2 Tip When should I Clear CMOS 1 Boot fail because of overclocking 2 Forget pass...

Page 3: ...CPU core voltage Setting CPU Frequency This motherboard is CPU jumper less design you can set CPU frequency through the BIOS setup and no jumpers or switches are needed BIOS Setup Frequency Voltage Control CPU Speed Setting Core Frequency CPU FSB Clock CPU Ratio 3 Installing Processor Note If you do not match the CPU socket Pin 1 and CPU cut edge well it may damage the CPU CPU socket lever CPU Pin...

Page 4: ...ower LED speaker and reset switch connectors to the corresponding pins If you enable Suspend Mode item in BIOS Setup the ACPI Power LED will keep flashing while the system is in suspend mode 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 connector marked SPWR FDD Connector IDE 1 Primary IDE ...

Page 5: ...otection method that does not involve any software or BIOS coding hence it is 100 virus free You may restore the originally mounted BIOS with 2 nd BIOS ROM by setting JP30 to pin 2 3 if it fails to act normally This motherboard comes with one BIOS ROM you may contact our local distributor or reseller for purchasing the extra BIOS ROM Please visit our website www aopen com for details 1 normal 1 re...

Page 6: ...miscellaneous operation systems to extract the binary BIOS file and the flash utility Or Winzip http www winzip com in Windows environment 3 Save the unzipped file into a bootable floppy disk For example AX4B133102 BIN AX4B133102 EXE 4 Reboot the system to DOS mode without loading any memory handler such as EMM386 or device driver It needs around 520K free memory space 5 Execute A AX4B133102 and t...

Page 7: ...obably caused by power supply or motherboard failure Please contact your reseller or local distributor for repairing Perhaps your VGA card or monitor is defective No Yes No Yes It is very possible that your keyboard is defective During system rebooting press Del to enter BIOS Setup Choose Load Setup Default The problem should be caused by the IDE cables or HDD itself Re install Windows 95 Windows ...

Page 8: ...pport engineer or professional users on the news group http www aopen com tech newsgrp default htm 4 4 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 efficiently and provide important reference for you if next time you want to buy something else from them 6 6 Contact...

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