Aopen AX45533U2 User Manual

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

AX45-533 Max / AX45-533 U2

DOC. NO.: AX45533M-OL-E0206A

Overview

Installation

Hardware

Drivers &

Utilities

BIOS Setup

AWARD

Glossary

Troubleshooting &

Technical Support

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WWhhaatt’’ss iinn tthhiiss mmaannuuaall

AX45-533 Max / AX45-533 U2.........................................................................................................................1

What’s in this manual................................................................................................................................................................2

You Must Notice........................................................................................................................................................................9

Before You Start......................................................................................................................................................................10

Overview..................................................................................................................................................................................11

Feature Highlight ....................................................................................................................................................................12

Quick Installation Procedur e................................................................................................................................................... 17

Motherboard Map ...................................................................................................................................................................18

Block Diagram ........................................................................................................................................................................19

Hardware Installation............................................................................................................................20

About “User Upgrade Optional” and “Manufacture Upgrade Optional”…................................................................................. 21

JP14 Clear CMOS Data.......................................................................................................................................................... 22

CPU Installation......................................................................................................................................................................23

CPU Jumper-less Design........................................................................................................................................................26

Full-range Adjustable CPU Core V o ltage.................................................................................................................................28

CPU and System Fan Connector (with H/W Monitoring)............................................................................. ............................ 30

JP28 Keyboard/Mouse Wake- up J u mper................................................................................................................................31

DIMM Sockets ........................................................................................................................................................................32

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DDR 266(PC2100) and DDR 333(PC2700) ............................................................................................................................ 34

Front Panel Connector............................................................................................................................................................ 35

ATX Power Connector.............................................................................................................................................................36

AC Power Auto Recovery........................................................................................................................................................36

STBY LED..............................................................................................................................................................................37

IDE and Floppy Connector......................................................................................................................................................38

ATA/133 Supported................................................................................................................................................................. 40

IrDA Connector....................................................................................................................................................................... 41

AGP (Accelerated Graphi c Port) Expansion Slot..................................................................................................................... 42

WOM (Zero Volt age Wake on Modem) Connector..................................................................................................................43

WOM by External BOX Modem...............................................................................................................................................44

WOM by Internal Modem Card................................................................................................................................................45

WOL (Wake on LAN).............................................................................................................................................................. 46

Support 10/100 Mbps LAN onboard........................................................................................................................................ 48

CNR (Communication and Network Riser) Expansion Slot...................................................................................................... 49

PC99 Color Coded Back Panel............................................................................................................................................... 50

Support 2nd and 3

Onboard IEEE 1394 Connectors (AX45 Max-533 Only).......................................................................................................... 52

Chassis Intrusion Connector...................................................................................................................................................53

USB 2.0 Ports........................................................................................................................................... 51

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CD Audio Connector...............................................................................................................................................................54

Front Audio Connector............................................................................................................................................................ 55

S/PDIF (Sony/Philips Digital Interface) Connector...................................................................................................................56

Super 5.1 Channel Audio Effect.............................................................................................................................................. 57

Die-Hard BIOS and JP30 Die-Hard BIOS Select Jumper........................................................................................................ 58

Dr. LED Connector.................................................................................................................................................................. 59

JP15/JP16 Dr. Voice Language Select Jumpers..................................................................................................................... 61

JP2 Speaker Enable/Disable Jumpers....................................................................................................................................62

Battery-less and Long Life Design .......................................................................................................................................... 63

Over-current Protection...........................................................................................................................................................64

Hardware Monitoring...............................................................................................................................................................65

Resettable Fuse...................................................................................................................................................................... 66

2200µF Low ESR Capacitor.................................................................................................................................................... 67

Layout (Frequency Isolation Wall)........................................................................................................................................... 69

Enlarged Aluminum Heatsink.................................................................................................................................................. 70

Vivid BIOS technology............................................................................................................................................................ 71

Driver and Utility....................................................................................................................................72

Auto-run Menu from Bonus CD............................................................................................................................................... 73

Install IDE Drive r.....................................................................................................................................................................74

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Install USB2.0 Driver...............................................................................................................................................................75

Installing LAN Driver............................................................................................................................................................... 76

Installing Onboard Sound Driver .............................................................................................................................................79

Installing AG P Driver............................................................................................................................................................... 80

AOConfig Utility ......................................................................................................................................................................81

Installing Hardware Monitoring Utility...................................................................................................................................... 83

ACPI Suspend to Hard Drive ..................................................................................................................................................84

ACPI Suspend to RAM (STR)................................................................................................................................................. 88

AWARD BIOS ..........................................................................................................................................90

About BIOS Function Description…........................................................................................................................................91

How To Use Award™ BIOS Setup Program............................................................................................................................ 92

How To Enter BIOS Se tu p ....................................................................................................................................................... 94

BIOS Upgrade under Windows environment........................................................................................................................... 95

Overclocking..........................................................................................................................................97

VGA Card & Hard Disk............................................................................................................................................................98

Glossary .................................................................................................................................................99

AC97......................................................................................................................................................................................99

ACPI (Advanced Configuration & Power Interface) .................................................................................................................99

AGP (Accelerated Graphic Port).............................................................................................................................................99

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AMR (Audio/Modem Riser)...................................................................................................................................................100

AOpen Bonus Pack CD........................................................................................................................................................ 100

APM (Advanced Power Management).................................................................................................................................. 100

ATA (AT Attachment).............................................................................................................................................................100

ATA/66.................................................................................................................................................................................. 100

ATA/100................................................................................................................................................................................ 101

BIOS (Basic Input/Output System)........................................................................................................................................ 101

Bus Master IDE (DMA mode)................................................................................................................................................ 101

CNR (Communication and Networking Riser)....................................................................................................................... 101

CODEC (Coding and Decoding) ........................................................................................................................................... 102

DDR (Double Data Rated) SDRAM....................................................................................................................................... 102

DIMM (Dual In Line Memory Module).................................................................................................................................... 102

DMA (Direct Memory Access)............................................................................................................................................... 102

ECC (Error Checking and Correction)...................................................................................................................................103

EDO (Extended Data Output) Memory.................................................................................................................................. 103

EEPROM (Electro n ic Erasable Progr a mmable ROM)........................................................................................................... 103

EPROM (Erasable Programmable ROM)..............................................................................................................................103

EV6 Bus................................................................................................................................................................................104

FCC DoC (Declaration of Conformity)................................................................................................................................... 104

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FC-PGA (Flip Chip-Pin Grid Array)........................................................................................................................................ 104

Flash ROM........................................................................................................................................................................... 104

FSB (Front Side Bus) Clock.................................................................................................................................................. 105

C Bus.................................................................................................................................................................................105

IEEE 1394............................................................................................................................................................................ 105

Parity Bit...............................................................................................................................................................................105

PBSRAM (Pipelined Burst SRAM)........................................................................................................................................ 106

PC-100 DIMM....................................................................................................................................................................... 106

PC-133 DIMM....................................................................................................................................................................... 106

PC-1600 or PC-2100 DDR DRAM......................................................................................................................................... 106

PCI (Peripheral Component Interface) Bus........................................................................................................................... 106

PDF Format..........................................................................................................................................................................107

PnP (Plug and Play).............................................................................................................................................................. 107

POST (Power-On Self Test).................................................................................................................................................. 107

RDRAM (Rambus DRAM).....................................................................................................................................................107

RIMM (Rambus Inline Memory Module)................................................................................................................................ 108

SDRAM (Synchronous DRAM).............................................................................................................................................108

Shadow E

SIMM (Single In Line Memory Module)................................................................................................................................. 108

PROM................................................................................................................................................................. 108

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SMBus (System Management Bus) ......................................................................................................................................109

SPD (Serial Presence Detect)...............................................................................................................................................109

Ultra DMA............................................................................................................................................................................. 109

USB (Universal Serial Bus)....................................................................................................................................................110

VCM (Virtual Channel Memory) .............................................................................................................................................110

ZIP file...................................................................................................................................................................................110

Troubleshooting...................................................................................................................................111

Technical Support................................................................................................................................115

Product Registration............................................................................................................................118

How to Contact Us...............................................................................................................................119

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YYoouu MMuusstt NNoottiiccee

Adobe, the Adobe logo, Acrobat is trademarks of Adobe Systems Incorporated. AMD, the AMD logo, Athlon and Duron are trademarks of Advanced Micro Devices, Inc. Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III and Pentium 4 are trademarks of Intel Corporation. Microsoft, Windows, and Windows logo are either registered trademark s or t rademarks of Microsoft Corporation in t he United States and/or

other countries. All product and brand names used on this manual are used for identification purposes only and may be the registered trademarks of their

respective owners.

All of the specifications and information contained in this manual are subject to change without notice. AOpen reserves the right to r evis e this publication and to make reasonable changes. AOpen ass umes no responsibility for any errors or inaccuracies that may appear in this manual, including the products and software described in it.

This documentation is protected by copyright law. All rights are reserved. No part of this document may be used or reproduced in any form or by any means, or stored in a database or retrieval system without prior written permission from AOpen Corporation. Copyright

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BBeeffoorree YYoouu SSttaarrtt

This Online Manual will introduce to the user how this product is installed. All useful information will be described in later chapters. Please keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved in PDF format recommend using Adobe Acrobat Reader 4.0 for online viewing, it is included in Bonus CD

site.

Although this Online Manual is optimized for screen viewing, it is still capable for hardcopy print i ng, you can print it by A 4 paper size and set 2 pages per A4 sheet on your printer. To do so, choose File > Page Setup and follow the instruction of your printer driver.

Thanks for the help of saving our earth.

, we

or you can get free download from Adobe web

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OOvveerrvviieeww

Thank you for choosing AOpen AX45-533 Max / AX45-533 U2 motherboard. AX45-533 Max / AX45-533 U2 is Intel® Socket 478 motherboard (M/B) based on the ATX form factor featuring the SIS 645DX chipset Max / AX45-533 U2 motherboard can support Intel clock. In the AGP performance, it has one AGP slot and supports AGP 4X mode and pipelined spilt-transaction long burst transfer up to 1056MB/sec. According to different customer’s requirements, this motherboard supports DDR333 (PC2700) SDRAM up to 2GB maximum and DDR 266 (PC2100) SDRAM up to 3GB maximum. The onboard IDE controller supports Ultra DMA flexibility can be achieved by taking advantage of the Communication and Network Riser (CNR) configuration on a single baseboard design. More than that, on the strength of Realtek 8100BL LAN controller on board, which is a highly-integrated Platform LAN Connect device, it provides 10/100M bps Ethernet for office and home use. Besides, AX45-533 Max / AX45-533 U2 has a RealTek ALC650 AC97 surround stereo sound to let people enjoy working with it. Now, let’s enjoy all features from AOpen AX45-533 Max / AX45-533 U2 motherboard.

Socket 478 Pentium® 4 (Willamette / Northwood) and 533 MHz Front Side Bus (FSB)

CODEC chipset onboard providing high performance and magic

. As high performance chipset built in the M/B, AX45-533

33/66/100/133 mode. Further

card option that allows audio and modem

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FFeeaattuurree HHiigghhlliigghhtt

CPU

Supports Intel® Socket 478 Pentium® 4 (Willamette / Northwood) 1.4GHz~2.4GHz+ with 533MHz Front Side Bus (FSB) designed for Socket 478 technology.

Chipset

The motherboard is equipped with SIS 645DX chipset. SIS 645DX chipset consists of host interface Controller and integrated high performance DDR SDRAM coordination with SIS 645DX, the SIS 962 chipset is integrated fast Ethernet/Home networking controller, Audio/Modem Controller wit h AC’97 interface and advanced power management, which can strongly enhance the system performance.

Host system controller, which provides superior performance among CPU, SDRAM, and AGP buses. In

Expansion Slots

Including six 32-bit/33MHz PCI, one CNR and one AGP 1X/2X/4X slots. The PCI local bus throughput can be up to 132MB/s. The

Communication & Nectworking Riser (CNR)

Modem/Audio card. The Accelerated Graphics Port (AGP) AGP video cards support data transfer rate up to 1056MB/s. AX45-533 Max / AX45-533 U2 motherboard includes one AGP expansion slot for a bus mastering AGP graphic card. For AD and SBA signaling, AX45-533 Max / AX45-533 U2 motherboard can support 4X mode. Of six PCI slots provided, all of them are master PCI slots with arbitration and decoding for all integrated functions and LPC bus.

slot provided from AX45-533 Max / AX45-533 U2 can support CNR interface for a

specification provides a new level of video display sophistication and speed. The

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Memory

Provides three 184-pin DDR SDRAM DIMM sockets that support up to 2GB of PC2700(DDR333) and 3GB of PC2100(DDR266) compliant SDRAM (Synchronous Dynamic Random Access Memory).

Die-Hard BIOS with external controller

Die-Hard BIOS technology is an effective hardware protection method without any soft ware or BIOS coding involved. Therefore, it is 100%

virus free.

Watch Dog Timer

Includes AOpen “Watch Dog Timer” function that can auto-reset system in 4.8 seconds when you fail to system overclocking.

1MHz Stepping Frequency Adjustment

Provides “1MHz Stepping Frequency Adjustment” function in the BIOS. This magic function allows you to adjust CPU FSB frequency from 100~248MHz by 1MHz stepping adjustment, and helps your system get maximum performance.

LAN Port

On the strength of Realtek 8100BL LAN controller on board, which is a highly-integrated Platform LAN Connect device, it provides 10/100 Mbps Ethernet for office and home use.

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Ultra DMA 33/66/100/133 Bus Mater IDE

Comes with an on-board PCI Bus Master IDE controller with two connectors t hat support four IDE devices in two channels, supports Ultra

DMA 33/66/100/133, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 5, and supports Enhanced IDE devices.

On-board AC’97 Sound

AX45-533 Max / AX45-533 U2 uses RealTek ALC650 AC97 sound chip. This on-board audio includes a complete audio recording and playback system.

Six USB2.0 Connectors

Provides three ports, six USB c onnect o rs f or USB 2.0 interface devices, such as mouse, keyboard, modem, scanner, etc.

Dr. LED

Dr. LED has 8 LEDs on this AX45-533 Max / AX45-533 U2 M/B to easily show what kind of problems you may encounter.

Dr. Voice

Dr. Voice provides 4 language versions (English, Chinese, Japanese and German) that can easily tell you the problem you may encounter.

You can also adjust the volume of Dr. Voice through speakers. Specially tailored made for users, we have defaulted the language versi ons of Japanese market to Japanese only in order to save users from the hassle of setting jumpers, and thus making motherboard a real jumper less design.

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S/PDIF Connectors

S/PDIF (Sony/Philips Digital Interface) is the newest audio transfer file format, which provides impressive quality through optical fiber and allows you to enjoy digital audio instead of analog audio.

On-board IEEE 1394 Connectors (AX45 Max-533 Only)

Comes with three onboard IEEE 1394 connectors that provide ports for IEEE 1394 devices, such as digital camera or others IEEE 1394 storage devices.

Power Management/Plug and Play

Supports the power management function that confirms to the power-saving standards of the U.S. Environm ental Protection Agency (EPA) Energy Star program. It also offers Plug-and-Play user-friendlier.

, which helps save users from configuration problems, thus making the system much

Hardware Monitoring Management

Supports CPU or system fans status, temperature and voltage monitoring and alert, through the on-board hardware monitor module.

Enhanced ACPI

Fully implement the ACPI standard for Windows® 98/ME/2000 series compatibility, and supports Soft-Off, STR (Suspend to RAM, S3), STD (Suspend to Disk, S4) features.

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Super Multi-I/O

Provides two high-speed UART compatible serial ports and one parallel port with EPP and ECP capabilities. UART can also be directed from COM1 to the Infrared Module for the wireless connections.

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QQuuiicckk IInnssttaallllaattiioonn PPrroocceedduurree

This page gives you a quick procedure on how to install your system. Follow each step accordingly.

1. Installing CPU and Fan

2. Installing System Memory (DIMM)

3. Connecting Front Panel Cable

4. Connecting IDE and Floppy Cable

5. Connecting ATX Power Cable

6. Connecting Back Panel Cable

7. Power-on and Load BIOS Setup Default

8. Setting CPU Frequency

9. Reboot

10. Installing Operating System (such as Windows 98)

11. Installing Driver and Utility

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Realtek 8100BL LAN Chip

MODEM-CN Connecto

ALC650 AC’97 CODEC

Front Audio Connecto

CD-IN C onnecto

CNR Expansion Slo

32-bit PCI Expansion Slot x6

WOM Connecto

S/PDIF Connecto

WOL Connecto

& 3rd USB2.0 Connectors

IEEE 1394 Connector x3

JP15/16 Dr. Voice Language

JP14 CMOS Clear Jumpe

Dr. LED Connecto

(AX45 Max-533 Only)

IrDA Connecto

STBY LED

JP30 Die-Hard BIOS

Select Jumpe Select Jumpe

JP2 Speaker Jumpe

Front Panel Connecto

FAN2 Connecto

FAN3 Connecto

Motherboard Map

PC99 Colored Back Panel Resettable Fuse

JP28 USB Keyboard/ Mouse Wakeu

Chassis Intrusion Detector 4-pin 12V. ATX Power Connector

2200μF Low ESR Capacitors

GP 4x Expansion Slot

478-pin CPU socket (Willamette/ Northwood) with Voltage and Frequency

uto-detection that suppor ts

Intel

Pentium®4 1.4~2.4GHz+

CPU

CPU FAN connecto SIS 645DX/962 Chipset

184-pin DIMMx3 supports PC2100/2700 DDR SDRAM maximum up to 3GB/2GB

Die-Hard BIOS

TX Power Connector TA100/133 IDE Connector x2

FDD Connector

Jumper

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BBlloocckk DDiiaaggrraamm

Socket 478

Intel Pentium 4

CPU(Willamette

/Northwood)

AX45 Max-533 Only

1stIEEE1394

2ndIEEE 1394

3rdIEEE 1394

AGP 4X Slot

PC-2100/2700 SD R A M

DIMM Socket x3

533MHz System

Bus

LAN connect Component

AGERE FW803

Floppy Disk Drive x2

Up to 3GB/2GB

SIS 645DX

USB2.0

Connector x6

PCI Bus

Realtek

RTL8100BL

1stUSB Port

2ndUSB Port

3rdUSB Port

32-bit PCI Slot x6

ATA

66/100/133

Primary

Channel

Secondary

Channel

SIS 962

Winbond

W83627HF

RealTek

AC97

CODEC

AC Link

2Mbit Flash EEPROM

Parallel Port

Serial Port x2

IDE Drive x4

CNR Slot

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HHaarrddwwaarree IInnssttaallllaattiioonn

This chapter describes jumpers, connectors and hardware devices of this motherboard.

Note: Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other components. Always observe the following precautions before you install a system component.

1. Do not remove a component from its protective packaging until you are ready to install it.

2. Wear a wrist ground strap and attach it to a metal part of the system unit before handling a component. If a wrist strap is not available, maintain contact with the system unit throughout any procedure requiring ESD protection.

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AAbboouutt ““UUsseerr UUppggrraaddee OOppttiioonnaall”” aanndd ““MMaannuuffaaccttuurree UUppggrraaddee OOppttiioonnaall””……

When you read this online manual and start to assemble your computer system, you may notice that some of the functions are marked as “User Upgrade Optional” or “Manufacture Upgrade Optional”. Although all of AOpen’s motherboards have incl uded many amazing and powerful features, sometimes not every user is familiar with these powerful features. As a result of this we define features that can be upgraded by users as “User Upgrade Optional”. You can upgrade these functions by purchasing additional devices. As for functions that cannot be upgraded by users, we define them as “Manufacture Upgrade Optional”. If need be, you can contact our local distributors o r resellers to purchase “Manufacture Upgrade Optional” components, and again you are also welcome to visit our official website at

www.aopen.com

for detail information.

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JJPP1144 CClleeaarr CCMMOOSS DDaattaa

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

Clear CMOS

Normal default

Pin 1

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

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CCPPUU IInnssttaallllaattiioonn

This motherboard supports Intel® Pentium 4 Socket 478 series CPU (Willamette / Northwood). Be careful of CPU orientation when you plug it into CPU socket.

1. Pull up the CPU socket lever and up to 90-degree angle.

2. Locat e Pin 1 in the socket and look for mark on the CPU upper interface. Match Pin 1 and cut edge, then insert the CPU into the socket.

Note: Those pictures are for example only; they may not look the same with the motherboard you purchased.

CPU socket

Lever

CPU pin 1 and

cut edge

CPU cut edge

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3. Press down the CPU socket lever and finish CPU installation.

Note: This picture is for example only; it may not look the same with the motherboard you purchased.

CPU cut edge

Note: If you do not match the CPU socket Pin 1 and CPU cut edge well, it ma

damage the CPU.

Note: This socket supports Micro-FC-PGA2 package CPU, which is the latest CPU package developed by Intel. Other forms of CPU package are impossible to be fitted in.

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CCPPUU FFaann IInnssttaallllaattiioonn

This motherboard comes with a retention module attached on the CPU socket when shipped, we strongly recommend you to install AOpen special designed CPU Fan as shown below on the retention module for better heat dissipation. Please install the CPU Fan correctly as the following pictures shown.

1. Gently put the CPU Fan down on the retention module with clips aligning correctl to the four corners.

2. Pressi ng do wn t he fou r c li ps wi th f orc e o ne by one on the retention module.

Clip

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CCPPUU JJuummppeerr--lleessss DDeessiiggnn

CPU VID signal and SMbus clock generator provide CPU voltage auto-detection and allows the user to set the CPU frequency through the

BIOS setup

There will be no worry of wrong CPU voltage detection.

, therefore no jumpers or switches are used. The disadvantages of t he Pentium based jumper-less designs are eliminated.

Intel® Socket 478

CPU VID signal

Power Regulator

(Automatically generates CPU voltage)

Pentium 4

CPU voltage

Clock

Generator

CPU Freq. Ratio

BIOS

Controlled

Circuit

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AAOOppeenn ““WWaattcchh DDoogg TTiimmeerr””

AOpen provides a special and useful feature on this motherboard for overclockers. When you power-on the system, the BIOS will check last system POST according to user’s settings stored in the BIOS. If system failed in BIOS POST, the “Watch Dog Timer” will reset the system to reboot in five seconds. Then, BIOS will detect the CPU’s default frequency and POST again. With this special feature, you can easily overclock your system to get a higher system performance without removing the system housing and save the hassle f rom setting the jumper to clear CMOS data when system hangs.

status. If it succeeded, the BIOS will enable “Watch Dog Timer” function immediately, and set the CPU FSB frequency

Enable/Disable Signal from

AOpen

Watch Dog Timer

BIOS

Countdown about 5 seconds if fails in POST

Reset Signal

Clock Generator

BIOS

CPU ID Signal

CPU

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FFuullll--rraannggee AAddjjuussttaabbllee CCPPUU CCoorree VVoollttaaggee

This function is dedicated to overclockers and supports Adjustable CPU Core Voltage from 1.10V to 1.85V. However, this motherboard can also automatically detects CPU VID signal and generates proper CPU core voltage.

SSeettttiinngg CCPPUU FFrreeqquueennccyy

BIOS Setup > Frequency/Voltage Control > CPU Clock Setting

This motherboard is CPU jumper-less design, you can set CPU frequency through the BIOS setup, and no jumpers or switches are needed. The default setting is "table select mode". You can adjust the FSB from "CPU Host/SDRAM/PCI Clock" for overclocking.

Core Frequency = CPU FSB Clock * CPU Ratio PCI Clock = CPU FSB Clock / Clock Ratio

AGP Clock = PCI Clock x 2

CPU Ratio CPU FSB

8x, 9x, 10x… 21x, 22x, 23x, 24x 100~248MHz by 1MHz stepping

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Northwood CPU

Pentium 4

1.6G Pentium 4

1.7G Pentium 4

1.8G Pentium 4

2.0G Pentium 4

2.2G Pentium 4

2.4G Pentium 4

2.4G

CPU Core

Frequency

1600MHz 100MHz 400MHz 16x

1600MHz 133MHz 533MHz 12x

1700MHz 133MHz 533MHz 13x

1800MHz 100MHz 400MHz 18x

2000MHz 100MHz 400MHz 20x

2200MHz 100MHz 400MHz 22x

2200MHz 133MHz 533MHz 16x

2400MHz 100MHz 400MHz 24x

2400MHz 133MHz 533MHz 18x

FSB

Clock

System

Bus

Ratio

Willamette CPU

Pentium 4

1.5G Pentium 4

1.6G Pentium 4

1.7G Pentium 4

1.8G Pentium 4

1.9G Pentium 4

2.0G

Celeron CPU

Pentium 4

1.7G Pentium 4

1.8G

CPU Core

Frequency

1500MHz 100MHz 400MHz 15x

1600MHz 100MHz 400MHz 16x

1700MHz 100MHz 400MHz 17x

1800MHz 100MHz 400MHz 18x

1900MHz 100MHz 400MHz 19x

2000MHz 100MHz 400MHz 20x

CPU Core

Frequency

1700MHz 100MHz 400MHz 17x

1800MHz 100MHz 400MHz 18x

FSB

Clock

FSB

Clock

System

Bus

System

Bus

Ratio

Warning: SIS 645DX chipset supports maximum 400MHz (100MHz*4) / 533MHz (133MHz*4) system bus and 66MHz AGP clock; higher clock setting may cause serious system damage.

Note: Since the latest processor, Northwood, would detect the clock ratio automatically, you may not be able to adjust the clock ratio in BIOS manually.

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CCPPUU aanndd SSyysstteemm FFaann CCoonnnneeccttoorr ((wwiitthh HH//WW MMoonniittoorriinngg))

Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have chassis fan, you can also plug it on FAN2 or FAN3 connector.

FAN3 Connector

CPU FAN Connector

FAN2 Connector

GND +12V SENSOR

Note: Some CPU fans do not have sensor pin, so that they cannot support hardware monitoring function.

GND +12V SENSOR

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

JJPP2288 KKeeyybbooaarrdd//MMoouussee WWaakkee--uupp JJuummppeerr

This motherboard provides USB keyboard / mouse wake-up function. You can use JP28 to enable or disable this function, which could resume your system from suspend mode with keyboard or mouse. The factory defaul t setting is set to “Enable”(1-2), and you may disable this function by setting the jumper to 2-3.

Pin1

JP28

KB/Mouse Wake-up

Enable

(Default)

Disable

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

DDIIMMMM SSoocckkeettss

This motherboard has three 184-pin DDR DIMM sockets that allow you to install PC2100 (DDR266) memory up to 3GB or PC2700 (DDR333) memory up to 2GB. Please note that when you install PC1600 or PC2100 DDR SDRAM, you can install them fully into 3 sockets; however, when you install PC2700 DDR SDRAM, we suggest you to install DIMM1 and DIMM2 ONLY.

DIMM1 DIMM2 DIMM3

DIMM 1 DIMM 2 DIMM 3

PC2100/PC1600

DDR SDRAM

V V V V V

PC2700

DDR SDRAM

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HHooww ttoo IInnssttaallll MMeemmoorryy MMoodduulleess

Please follow the procedure as shown below to finish memory installation.

1. Make sure the DIMM module’s pin face down and match the socket’s size as depicted below.

2. Insert the module straight down to the DIMM slot with both hands and press down firmly until the DIMM module is securely in place.

3. Repeat step 2 to finish additional DIMM modules installation.

Pin 1

Tab

Key

52 pins 40 pins

Pin 1

Note: The tabs of the DIMM slot will close-up to hold the DIMM in place when the DIMM touches the slot’s bottom.

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DDDDRR 226666((PPCC22110000)) aanndd DDDDRR 333333((PPCC22770000))

DDR SDRAM utilizes the existing SDRAM infrastructure and technology while doubling the nominal bandwidth available to systems. To pu t it in a simple way, DDR SDRAM is like data going along a two lane highway, while at the same time data in traditional SDRAM go along a one way street. Therefore, it is a more advanced technology that provides a great overall improvement in system performance. DDR266 (PC2100) runs two times faster than the traditional PC133 SDRAM with the speed of Front Side Bus (FSB) up to 266MHz. (2x133=266). And DDR333 (PC2700) is running at 333MHz FSB. Bot h PC2100 and PC2700 are a new naming standard for speed of DDR 266 and DDR 333, representing their theoretical speeds of the RAM. The theoretical transfer rate of DDR 266 (PC2100) is 2.1GB/s and 2.7GB/s is for DDR 333 (PC2700).

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FFrroonntt PPaanneell CCoonnnneeccttoorr

Pin 1

Attach the power LED, Keylock, speaker, power and reset switch connectors to th 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 connecto from the housing front panel. Plug this connector to the soft-power switch connecto marked SPWR.

Suspend Type ACP I LED

Power on Suspend (S2) or Suspend to RAM (S3) Flashing for every second Suspend to Disk (S4) The LED will be turned off

IDE LED

Speaker

SPWR

CPI & PWR

LED

Reset

SPEAKER

NC NC

+5V IDE LED IDE LED

+5V

GND

SPWR GND ACPI LED GND ACPILED NC NC GND RESET GND

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AATTXX PPoowweerr CCoonnnneeccttoorr

This motherboard comes with a 20-pin and 4-pin ATX power connector. Make sure you plug in the right direction. We strongly recommend you to connect the 4-pin 12V ATX connector before connecting the 20-pin ATX power connector and use standard power supply specially designed for Pentium 4 system.

AACC PPoowweerr AAuuttoo RReeccoovveerryy

A 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. This motherboard im plements an AC Power Auto Recovery function to solve this problem.

Ground 12V 12V Ground

COM COM

-5V +5V +5V

+12V 5VSB

PO-O

COM

+5V

COM PS-ON COM

-12V +3.3V

+3.3V +3.3V COM +5V COM

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SSTTBBYY LLEEDD

STBY LED is AOpen’s considerate design that we aim at providing you friendly system information. The STBY LED will light up when power is provided to the motherboard. This is a convenient indicati on for you to check the system power status in many circumstances such as power on/off, stand-by mode and RAM power status during Suspend to RAM mode

Warning: Do not install or remove the DIMM module or others devices when the STBY LED lights on.

System

Power LED

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IIDDEE aanndd FFllooppppyy CCoonnnneeccttoorr

Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDD and IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system damage.

Pin 1

FDD Connector

Pin 1

Secondary

Slave (4th)

Secondary

Slave (2nd)

ATA 66/100/133

IDE Connector

Secondary

Master (3r d )

IDE 2 (Secondary) IDE 1 (Primary)

Primary

Master (1st)

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IDE1 is also known as the primary channel and IDE 2 as the secondary channel. E ach channel supports two IDE devic es that make a total of four devices. In order to work together, the two devices on each channel must be set differently to Master and Slave mode. Either one can be the hard disk or the CDROM. The setting as master or slave mode depends on the jumper on your IDE device, so please refer to your hard disk and CDROM manual accordingly.

Tip:

1. For better signal quality, it is recommended to set the far end side device to master mode and follow the s uggested sequence to install your new device. Please refer to above diagram

2. To achieve the best performance of Ultra DMA 66/100 hard disks, a special

Warning: The specification of the IDE cable is a maximum of 46cm (18 inches); make sure your cable does not exceed this length.

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AATTAA//113333 SSuuppppoorrtteedd

This motherboard supports ATA66, ATA100 or ATA133 IDE devices. Following table lists the transfer rate of IDE PIO and DMA modes. The IDE bus is 16-bit, which means every transfer is two bytes. As the hard drive indust ry introduces faster and higher capacity hard dri ves, the current Ultra ATA/100 interface causes a data bottleneck between the drive and the host computer. To avoid this problem, hard disk manufactures have introduced the new Ultra ATA-133 int erface technology. percent increase in interface speed with transfer rate of 133MB/s. ATA/133 performance is ideal for new operating systems, such as Window XP, t hat demand more storage space and faster data transfer rates from more responsive computing experiences.

To make good use of this new technology and enjoy its best performance, we recommend you to pair your system with a hard disk equipped with ATA/133 technology so that your system's need for speed on this motherboard can be satisfied.

Compared to traditional ATA/100, ATA/133 has up to 33

Mode Clock Period Clock Count Cycle Time Data Transfer Rate

PIO mode 0 30ns 20 600ns (1/600ns) x 2byte = 3.3MB/s PIO mode 1 30ns 13 383ns (1/383ns) x 2byte = 5.2MB/s PIO mode 2 30ns 8 240ns (1/240ns) x 2byte = 8.3MB/s PIO mode 3 30ns 6 180ns (1/180ns) x 2byte = 11.1MB/s PIO mode 4 30ns 4 120ns (1/120ns) x 2byte = 16.6MB/s DMA mode 0 30ns 16 480ns (1/480ns) x 2byte = 4.16MB/s DMA mode 1 30ns 5 150ns (1/150ns) x 2byte = 13.3MB/s DMA mode 2 30ns 4 120ns (1/120ns) x 2byte = 16.6MB/s ATA 66 30ns 2 60ns (1/60ns) x 2byte x2 = 66MB/s ATA 100 20ns 2 40ns (1/40ns) x 2byte x2 = 100MB/s ATA 133 15ns 2 30ns (1/30ns) x 2byte x2= 133MB/s

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IIrrDDAA CCoonnnneeccttoorr

The IrDA connector can be configured to support wireless infrared module, with this module and application s oftware such as Laplink or Windows 95 Direct Cable Connection, the user can transfer files to or from laptops, notebooks, PDA devices and printers. This connector supports HPSIR (115.2Kbps, 2 meters) and ASK-IR (56Kbps).

Install the infrared module onto the IrDA connector and enable the infrared function from BIOS Setup, UART Mode, make sure to have the correct orientation when you plug in the IrDA connector.

+5V

IR_TX

IIrrDDAA CCoonnnneeccttoorr

Pin 1

KEY GND IR_RX

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

AAGGPP ((AAcccceelleerraatteedd GGrraapphhiicc PPoorrtt)) EExxppaannssiioonn SSlloott

AX45-533 Max / AX45-533 U2 provides an AGP 4x slot. The AGP 4x is a bus interface targeted for high-performance 3D graphic . AGP supports only memory read/write operation and single-master single-slave one-to-one only. AGP uses both rising and falling edge of the 66MHz clock, for 2X AGP, the data transfer rate is 66MHz x 4bytes x 2 = 528MB/s. AGP is now moving to AGP 4x mode, 66MHz x 4bytes x 4 = 1056MB/s.

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

WWOOMM ((ZZeerroo VVoollttaaggee WWaakkee oonn MMooddeemm)) CCoonnnneeccttoorr

TThhiiss mmootthheerrbbooaarrdd iimmpplleemmeennttss ssppeecciiaall cciirrccuuiitt ttoo ssuuppppoorrtt WWaakkee OOnn MMooddeemm;; bbootthh IInntteerrnnaall mmooddeemm ccaarrdd aanndd eexxtteerrnnaall bbooxx mmooddeemm aarree ssuuppppoorrtteedd.. SSiinnccee IInntteerrnnaall mmooddeemm ccaarrdd ccoonnssuummeess nnoo ppoowweerr wwhheenn ssyysstteemm ppoowweerr iiss ooffff,, iitt iiss rreeccoommmmeennddeedd ttoo uussee aann iinntteerrnnaall mmooddeemm.. TToo uussee iinntteerrnnaall mmooddeemm,, ccoonnnneecctt 44--ppiinn ccaabbllee ffrroomm RRIINNGG ccoonnnneeccttoorr ooff mmooddeemm ccaarrdd ttoo WWOOMM ccoonnnneeccttoorr oonn tthhee mmootthheerrbbooaarrdd.

+5VSB NC RIGND

WOM Connector

Pin 1

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

WWOOMM bbyy EExxtteerrnnaall BBOOXX MMooddeem

TTrraaddiittiioonnaall GGrreeeenn PPCC ssuussppeenndd mmooddee ddooeess nnoott rreeaallllyy ttuurrnn ooffff tthhee ssyysstteemm ppoowweerr ssuuppppllyy,, iitt uusseess eexxtteerrnnaall bbooxx mmooddeemm ttoo ttrriiggggeerr MMBB CCOOMM ppoorrtt aanndd rreessuummee bbaacckk ttoo aaccttiivvee.

Note: This picture is for example only; it may not look exactly the same as the motherboard you purchased.

Serial Port (Modem

Side)

Pin 1

Serial Port

(Motherboard Side)

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

WWOOMM bbyy IInntteerrnnaall MMooddeemm CCaarrd

WWiitthh tthhee hheellpp ooff tthhee AATTXX ssoofftt ppoowweerr OOnn//OOffff,, iitt iiss ppoossssiibbllee ttoo hhaavvee aa ssyysstteemm ttoottaallllyy ppoowweerr ooffff,, aanndd wwaakkeeuupp ttoo aauuttoommaattiiccaallllyy aannsswweerr aa pphhoonnee ccaallll aass aann aannsswweerriinngg mmaacchhiinnee oorr ttoo sseenndd//rreecceeiivvee aa ffaaxx.. YYoouu mmaayy iiddeennttiiffyy wwhheetthheerr oorr nnoott yyoouurr ssyysstteemm iiss iinn ttrruuee ppoowweerr ooffff mmooddee bbyy cchheecckkiinngg ttoo sseeee iiff tthhee ffaann ooff yyoouurr ppoowweerr ssuuppppllyy iiss ooffff.. BBootthh aann eexxtteerrnnaall bbooxx mmooddeemm aanndd aann iinntteerrnnaall mmooddeemm ccaarrdd ccaann bbee uusseedd ttoo ssuuppppoorrtt MMooddeemm WWaakkee UUpp,, bbuutt iiff yyoouu uussee aann eexxtteerrnnaall mmooddeemm,, yyoouu hhaavvee ttoo lleeaavvee yyoouurr bbooxx mmooddeemm oonn.

Note: This picture is for example only; it may not look exactly the same as the motherboard you purchased.

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

WWOOLL ((WWaakkee oonn LLAANN))

To use Wake On LAN function, you must have a network card with chipset that supports this feature, and connect a cable from LAN card to motherboard WOL connector. The system identification information (probably IP address) is stored on network card and because there is a lot of traffic on the Ethernet, you need to install network management s oftware, such as ADM, for the checking of how to wake up the system. Note that, at least 600mA ATX standby current is required to support the LAN card for this function.

WOL connector

LID GND +5VSB

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WOL Connector

(Motherboard Side)

Note: This picture is for example only; it may not exactly look the same with the motherboard you purchased.

WOL Connector

(Ethernet Card Side)

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SSuuppppoorrtt 1100//110000 MMbbppss LLAANN oonnbbooaarrdd

The South Bridge SIS962 includes a fast Ethernet controller on chip. On the strength of Realtek 8100BL LAN controller on board, which is a highly-integrated Platform LAN Connect device, i t provides 10/100M bps Ethernet for office and home use, the Et hernet RJ45 connec t or i s located on top of USB connectors. The green LED indicates the link mode, it li ghts when linking to network and blinking when transferring data. The orange LED indicates the transfer mode, and it lights when data is transferring in 100Mbps mode. To enable or disable this function, you may simply adjust it through BIOS.

Green/ACT

Orange/Speed

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

CCNNRR ((CCoommmmuunniiccaattiioonn aanndd NNeettwwoorrkk RRiisseerr)) EExxppaannssiioonn SSlloott

CNR is a ris er card sp ecificat ion to rep lace the AMR (Audi o/Modem Riser) that supports V.90 analog modem, mult i-channel audio, and

phone-line based networking. Owing to CPU computing power getting stronger, the digital processing job can be implemented in main chipset and share CPU power. The analogy conversion (CODEC CNR card. This motherboard implements sound CODEC on board, but reserve CNR slot for the option of modem function. Note that you can still use PCI modem card.

) circuit requires a different and separate circuit design, which is put on

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PPCC9999 CCoolloorr CCooddeedd BBaacckk PPaanneell

The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, RJ-45 LAN Connector, COM1 and COM2, Printer, USB, AC97 sound and game ports. The view angle of drawing shown here is from the back panel of the housing.

PS/2 Mouse

Connector

SPP/EPP/ECP

Parallel Port

MIDI/Game Port

RJ-45 LAN Connector

PS/2 Keyboard: For standard keyboard, which is using a PS/2 plug. PS/2 Mouse: For PC-Mouse, which is using a PS/2 plug. USB2.0 Port: Available for connecting USB1.1/2.0 devices. Parallel Port: To connect with SPP/ECP/EPP printer. COM1/COM2 Port: To connect with pointing devi ces, modem or others serial devices. RJ-45 LAN connector To connect Ethernet for home or office use. VGA Connector: To connect with PC monitor. Speaker Out: To Ex ternal S peaker, Earphone or Amplifier. Line-In: Comes from the signal sources, such as CD/T ape player. MIC-In: From Microphone. MIDI/Game Port: For 15-pin PC joystick, game pad or MIDI devices.

PS/2 Keyboard

Connector

COM 1 Port

COM 2 Port

USB Connectors MIC-In Line-In Speaker Out

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nnd

1 2

aanndd 3

USBPWR0 USB_FP_P1-

USB_FP_P1+ GND USB_FP_OC0

SSuuppppoorrtt 2

This motherboard provides six USB ports to connect USB devices such as mouse, keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You can use proper cables to connect USB devices from PC99 back panel or connect USB2 and USB3 headers to the front panel of chassis.

Compared to traditional USB 1.0/1.1 with the speed of 12Mbps, USB 2.0 has a fancy s peed up to 480 Mbps which is 40 times faster than the traditional one. Except for the speed increase, USB 2.0 supports old USB 1.0/1.1 software and peripherals, offering impressive and even better compatibility to customers. On this motherboard, all six ports support USB 2.0 function.

USBPWR0

USB_FP_P0-

USB_FP_P0+

GND

KEY

rrd

UUSSBB 22..00 PPoorrttss

Pin1

USB2.0 Connector

Pin 1

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

OOnnbbooaarrdd IIEEEEEE 11339944 CCoonnnneeccttoorrss ((AAXX4455 MMaaxx--553333 OOnnllyy))

This motherboard has three IEEE 1394 connectors onboard. The IEEE 1394 provides data transfer rate up to 400Mb/s. Therefore the IEEE 1394 interface can connect with the devices that need high data transferring performance, such as digital camera, scanner or others IEEE 1394 devices. Please use the proper cable to connect with devices.

+12V(Fused)

TPA+

GND

TPB+

1 2

TPAGND TPB+12V(Fused) SHIED GND

Pin 1

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

CChhaassssiiss IInnttrruussiioonn CCoonnnneeccttoorr

The “CASE OPEN” header provides chassis intrusion-monitoring function. To make this function works, you have to enable it in the system BIOS, connect this header to a sensor somewhere on the chassis. So, whenever the sensor is triggered by lights or by the openi ng of t he chassis, the system will beep to inform you. Please be informed that this useful function only applies to advanced chassis, you may purchase an extra sensor, attach it on your chassis, and make a good use of this function.

Pin 1

GND Senso

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CCDD AAuuddiioo CCoonnnneeccttoorr

This connector is used to connect CD Audio cable from CDROM or DVD drive to onboard sound.

CD-IN

R GND GND L

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FFrroonntt AAuuddiioo CCoonnnneeccttoorr

If the housing has been designed with an audio port on the front panel, you’ll be able to connect onboard audio to front panel through this connector. By the way, please remove the jumper cap from the Front Audio Connector before you connect the cable. Do not remove this yellow jumper cap if your housing doesn’t have an audio port on the front panel.

Pin 1

JS1

GND

PHONE_L NC PHONE_R FP_VREF FP_MIC

Note: Please remove the jumper cap from the front audio connector before you connect the cable. Do not remove this yellow jumper cap if your housing doesn’t have an audio port on the front panel.

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SS//PPDDIIFF ((SSoonnyy//PPhhiilliippss DDiiggiittaall IInntteerrffaaccee)) CCoonnnneeccttoorr

S/PDIF (Sony/Philips Digital Interface) is a l atest audio transfer file form at that provides im pressive quality through optical fiber and allows you to enjoy digital audio instead of analog. Normally there are two S/PDIF outputs as shown, one for RCA connector, the most common one used for consumer audio products, and the other for optical connector with a even better audio quality. Through a specific audio cable, you can connect the S/PDIF connector to a S/PDIF audio module bearing S/PDIF digital output. However, you must have a S/PDIF supported speaker with S/PDIF digital input to make the most of this function.

+5V NC SPDIFOUT GND SPDIFIN

S/PDIF IN

S/PDIF Module

(User Upgrade Optional)

Pin 1

S/PDIF Cable

S/PDIF

Connector

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SSuuppeerr 55..11 CChhaannnneell AAuuddiioo EEffffeecctt

This motherboard comes with an ALC650 Codec which supports high quality of 5.1 Channel audio effect, bringing you a brand new audio experience. On the strength of the innovative design of ALC650, you're able to use standard line-jacks for surround audio output without connecting any external module. To apply this function, you have to install the audio driver in the Bonus Pack CD as well as an audio application supporting 5.1 Channel. Picture below represents the standard location of all speakers in 5.1 Channel sound track. Please connect the plug of your front speakers to the green “Speaker out” port, rear speakers’ plug to the blue “Line in” port and both of the center and subwoofer speakers to the red “MIC in” port.

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DDiiee--HHaarrdd BBIIOOSS aanndd JJPP3300 DDiiee--HHaarrdd BBIIOOSS SSeelleecctt JJuummppeerr

Many viruses have been found that may destroy bios code and data area lately. This motherboard implements a very effective hardware protection method without any software or BIOS coding involved, therefore i t is 100% virus free. You may restore the origi nally mounted BIOS with 2 contact our local distributors or resellers for purchasing an extra BIOS ROM. Please visit our website: www.aopen.com

BIOS ROM by setting JP30 to pin 2-3 if it fails to act normally. This motherboard comes with one BIOS ROM, you may

1 1

normal

rescue

Pin1

JP30 Die-Hard BIOS Select Jumper

for details.

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DDrr.. LLEEDD CCoonnnneeccttoorr

Connecting Dr. LED you can easily find the system problems that may occur while assembling. It can clearly indicate whether the problem is caused from components or improper installation through the 8 LED li ghts of Dr. LED on the front panel. That is to say you can diagnose your system status quickly.

3.3V NC

GND

Pin 1

1 2

S1 S2 S3

5 6

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Dr. LED is a CD disc storage box with 8 LEDs on its front panel, the size of Dr. LED is exactly the same as 5.25 in floppy drive, so that it can be mount into normal 5.25 in drive bay of any housing.

The total 8 LEDs light up alternatively if the system fails in one of eight stages. Once the LED7 (latest LED) is lit, this indicates that the system has completed its boot-up procedure. The 8 LEDs indicate the following messages when lit:

LED 0 - Indicates that the CPU may have been installed incorrectly or is damaged. LED 1 - Indicates that the memory may have been installed incorrectly or is damaged. LED 2 - Indicates that the AGP may have been installed incorrectly or is damaged. LED 3 - Indicates that the PCI card may have been installed incorrectly or is damaged. LED 4 - Indicates that the floppy disk drive may have been installed incorrectly or is damaged. LED 5 - Indicates that the HDD may have been installed incorrectly or is damaged. LED 6 - Indicates that the keyboard may have been installed incorrectly or is damaged. LED 7 - Indicates that the system is OK.

7654 3210

Boot O.K. KB HDD

Floppy

CPUVideo MemoryPCI

Note: During POST (Power On Self Test) procedure, the Debug LED will light on sequentially from LED0 to LE D7 until the system boot O.K

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JJPP1155//JJPP1166 DDrr.. VVooiiccee LLaanngguuaaggee SSeelleecctt JJuummppeerrss

Dr. Voice is a great feature of AX45-533 Max / AX45-533 U2, which can identify the problems you may encounter in the operating system. It can clearly “tell you” whether the problem is caused from components or improper installation such as CPU, memory module, VGA, PCI add-on card, FDD, HDD or keyboard. Dr. Voice provides four language versions: English, German, Japanese and Chinese. You can select your preferred language by JP15 & JP16 jumpers. However, if you want to disable this function, you may also adjust both JP1 and JP2 and set them to pin 2-3 to disable the buzzer and speaker from making out voices.

JP15 Pin 1

Chinese

Dr. Voice Language

Select Jumper

Japanese German

JP15

JP16

English (Default)

JP16 Pin 1

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AAXX4455--553333 MMaaxx // AAXX4455--553333 UU22 OOnnlliinnee MMaannuua

JJPP22 SSppeeaakkeerr EEnnaabbllee//DDiissaabbllee JJuummppeerrss

TThhiiss mmootthheerrbbooaarrdd ccoommeess wwiitthh aannootthheerr ccoonnssiiddeerraattee ooppttiioonn tthhaatt aalllloowwss yyoouu ttoo ttuurrnn ooffff tthhee vvooiiccee ffrroomm ssppeeaakkeerr.. YYoouu ccaann cchhoooossee nnoott ttoo bbee bbootthheerreedd bbyy tthhee wwaarrnniinngg mmaaddee ffrroomm DDrr.. VVooiiccee wwhheenn iitt ddeetteeccttss aannyy eerrrroorr iinn ooppeerraattiinngg ssyysstteemm.. TToo ddiissaabbllee tthhiiss ffuunnccttiioonn,, sseett JJPP22 ttoo ppiinn 22--33 ttoo ssttoopp bbootthh tthhee ssppeeaakkeerr ffrroomm

Enable (Default)

sending oouutt vvooiicceess..

Pin1

Disable

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BBaatttteerryy--lleessss aanndd LLoonngg LLiiffee DDeessiiggnn

This Motherboard implements a Flash ROM and a special circuit that provide you no batter power consumption of current CPU and CMOS Setup configurations. The RTC (real time clock) can also keep running as long as the power cord is plugged. If you lose your CMOS data by accident, you can just reload the CMOS configurations from Flash ROM and the system will recover as usual.

ATX Stand-by Power

Battery

RTC

00:00:00

CMOS

Auto Switch

uto switching to ATX standby power as long as AC power line is plugged. This smart design increases battery life if you still plug battery on motherboard.

Flash ROM

(Real Time Clock)

Backup by EEPROM

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OOvveerr--ccuurrrreenntt PPrrootteeccttiioonn

The Over Current Protection is a popular implementation on ATX 3.3V/5V/12V switching power supply. However, the new generation CPU uses different voltage with a regulator to transfer 12V to CPU voltage (for example, 2.0V), and thus makes 5V over current protection useless. This motherboard is with switching regulator onboard supporting CPU over-current protecti on; in conjunction with 3.3V/5V/12V power supply provide the full line over-current protection.

Note: Although we have implemented protection circuit and tried to prevent any human operating mistake, certain risks might still happen when CPU, memory, HDD or add-on cards installed on this motherboard is damaged due to component failure, human operating error or other unknown natural reasons. AOpen cannot guarantee that the protection circuit will always work perfectly.

ATX

Switching

Power

Supply

3.3V (Protected by power supply)

5V (Protected by power supply)

12V (Protected by power supply)

Onboard

Power

Regulator

Over-Current

Protection

Circuit

CPU Core Voltage

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Fan

CPU

Fan Speed

AOpen H/W

Monitoring

Utility

CPU Temperature

CPU Voltage

System Voltage

Detection

Circuit

HHaarrddwwaarree MMoonniittoorriinngg

This motherboard implements a hardware monitoring system. As you turn on your system, this smart design will monitor your system’s working voltage, fan status and CPU temperature. If any of those systems’ status goes wrong, there will be an alarm through the chassis external speaker or buzzer of motherboard (if having this function and enabled) to warn the user.

Power

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RReesseettttaabbllee FFuussee

Traditional motherboard uses fuses to prevent Keyboard and USB port from over-current or shortage. These fuses are soldered onboard that when it is broken (function to protect motherboard), user cannot replace them and result in malfunction of motherboard.

With expensive Resettable Fuse, the motherboard can be resumed back to normal function even after the fuse had done its protection job.

Resettable

Fuse

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2222000

The quality of low ESR capacitor (Low Equivalent Series Resistance) during high frequency operation is very important for the stability of CPU power. The idea of where to put these capacitors is another know-how that requires experience and detail calculation.

Not only that, AX45-533 Max / AX45-533 U2 implements 2200μF capacitors, which is much larger t han normal capacitor (1000 & 1500μf) and it provides better stability for CPU power.

μμμμ

FF LLooww EESSRR CCaappaacciittoorr

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The power circuit of the CPU core voltage must be checked to ensure system stability for high speed CPUs (such as the new Pentium III, or when overclocking). A typical CPU core voltage is 2.0V, so a good design should control voltage between 1.860V and 2.140V. That is, the transient must be below 280mV. Below is a timing diagram captured by a Digital Storage Scope, it shows the voltage transient is only 143mv even when maximum 60A current is applied.

Note: This diagram for example only, it may not be exactly the same as the motherboard you purchased.

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LLaayyoouutt ((FFrreeqquueennccyy IIssoollaattiioonn WWaallll))

Note: This diagram for example only, it may not look exactly the same as the motherboard you purchased.

For high frequency operation, especially when overclocking, layout is the most important factor to make sure both chipset and CPU are working in stable condition. The layout of this motherboard implements

Open’s unique design called “Frequency Isolation Wall”. Separating each critical portion of motherboard into regions, where each region operates in a same or similar frequency range, we can avoid cross talk and frequency interference between each region’s operations and condition. The trace length and route must be calculated carefully. For example, the clock trace must be equal to length (not necessarily as short as poss ible) so t hat clock skew will be controlled within few a pico second (1/10 Sec)

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EEnnllaarrggeedd AAlluummiinnuumm HHeeaattssiinnkk

Cool down CPU and Chipset are important for system reliability. Enlarged aluminum heat sink provides better heat consumption especially when you are trying to over-clock the CPU.

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VViivviidd BBIIOOSS tteecchhnnoollooggyy

developed VividBIOS to experience the lively vivid colorful POST screen! Unlike earlier graphic POST screen which could occupy the whole screen and mask text information during POST, AOpen

VividBIOS deals with graphics and texts separately, and makes them running simultaneously during POST. With this innovative design, VividBios now brings you a beautiful and sleek 256 colors screen without missing any important information shown on POST screen.

In addition, the limited space of BIOS ROM is another big issue. When all of the traditional BIOS can only show space-consuming and uncompressed Bitmap, AOpen has considerately tuned the BIOS to next generation, to recognize the smaller-sized GIF format and even dynamic-showing GIF animation.

Vivid BIOS shares the same fundamental technology with Open JukeBox CD Player, you may use the same EzSkin utility to

change your Vivid BIOS screen or to download your favorite Open JukeBox skin. If you see this little logo beside your model name on the BIOS download page, http://www.aopen.com/tech/download/mbbios/default.htm, it is assured that your motherboard supports this innovative feature!

Have you been fed up with the conservative and immutable POST screen? Let’s rule out the tradition idea that POST screen are stiff and frigid, and let AOpen show you the newly

shown

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DDrriivveerr aanndd UUttiilliittyy

There are motherboard drivers and utilities in AOpen Bonus CD. You don’t need to install all of them to boot your system. But after you finish the hardware installation, you have to install your operati on system first (such as Windows 98) before you install any drivers or utilities. Please refer to your operation system’s installation guide.

Note: Please follow recommended procedure to install Windows 95

and Windows 98.

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AAuuttoo--rruunn MMeennuu ffrroomm BBoonnuuss CCDD

You can use the auto-run menu of Bonus CD. Choose the utility and driver and select model name.

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IInnssttaallll IIDDEE DDrriivveerr

To use IDE devices you have to install IDE driver from Bonus Pack CD.

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IInnssttaallll UUSSBB22..00 DDrriivveerr

In Bonus Pack CD, you can install USB2.0 driver from the following screen.

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IInnssttaalllliinngg LLAANN DDrriivveerr

You can download LAN Driver from the Bonus Pack CD and install it under Windows 95 (Golden version), Win95A, OSR2, Windows 98/98 SE, Windows 2000, Windows ME, Windows NT v4.0 driver for Realtek RTL8139 PCI Fast Ethernet adapter.

[Windows 95 (Golden version), Win95A and OSR2] Installing driver procedure on Microsoft Windows 95 :

-----------------------------------------------------

1. Ask you to select which driver you want to install, select "Driver from disk provided by hardware manufacturer".

2. Specify the setup file pathname [CD-ROM]:Driver\LAN\RTL8100\Windows\Win95\WIN95A (for Windows 95 and Win95A) or [CD-ROM]:Driver\LAN\RTL8100\Windows\Win95 (for Windows 95 OSR2).

3. Windows 95 will appear some messages to insert Windows 95 system disk to complete setup step.

4. Windows 95 will finish the other installation procedure automatically, then you restart the system.

[Windows 98, Windows 98 SE, Windows2000, Windows ME, Windows XP] Installing driver for Win98/Win98 SE/Windows2000/Windows ME/Windows XP :

-------------------------------------------------------------------

1. Ask you to select which driver you want to install, select "Driver from disk provided by hardware manufacturer".

2. Specify the setup file pathname [CD-ROM]:Driver\LAN\RTL8100\Windows\WIN98 (for Windows 98/98 SE) or

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[CD-ROM]:Driver\LAN\RTL8100\Windows\WIN2000 (for Windows 2000) or [CD-ROM]:Driver\LAN\RTL8100\Windows\WINME (for Windows ME) or [CD-ROM]:Driver\LAN\RTL8100\Windows\WinXP (for Windows XP)

3. Win98/Win98 SE/Windows2000/Windows ME will appear some messages to insert Win98/Win98 SE/Windows2000/Windows ME system disk to complete setup step.

4. Win98/Win98 SE/Windows2000/Windows ME will finish the other installation procedure automatically, then you restart the system.

[Windows NT 3.5, 3.51 & 4.0] Installing driver procedure on Microsoft Windows NT :

----------------------------------------------------When you are in Windows NT :

1. In the Main group of NT, select the "Control Panel" icon.

2. In the Control Panel window, choose the "Network" icon.

3. In the Network Settings dialog box, choose the "Add Adapter" button. The A dd Network Adapter dialog box appears.

4. In the list of network cards, select "<other> Requires disk from manufacturer", and then press <Enter> butt on.

5. Enter drive and pathname [CD-ROM]:\Driver\LAN\RTL8100\Windows\WinNT4 (for NT 4.0) which is the path where the setup file OEMSETUP.INF is locat ed, and then

choose the OK button.

6. The screen will appear "Select Line Speed" dialog box which is provide by RTL8139.SYS driver. The default value is "auto" so that the

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RTL8139 PCI Fast Ethernet adapter and its driver RTL8139.SYS will auto-detect the line speed, 10 Mb or 100Mb, while the RTL8139.SYS is loading. The other values, "10" or "100", are only used when you want to forced RTL8139 PCI Fast Ethernet adapter to 10Mb or 100Mb.

7. The screen will appear "Input EthernetID" dialog box which is provide by RTL8139.SYS driver. This option is only required when you have more than one Realtek RTL8139 PCI Fast Ethernet adapters on this computer. Select "SKIP" if only one adapter is installed on this computer.

8. "Bus Location" display in next screen. Your machine contains more than one hardware bus, please select the Bus Type and Bus number on which your network adapter card is installed.

9. NT will then perform the binding process. If any additional network software options were installed, you may be prompted for specific information for these packages.

10. Restarting your system you will acquire network service.

NOTES: * Installing Multiple LAN Adapters: Enter Windows NT and follow above setup procedure step 2,in the "Network Settings" dialog box, choose the "Configure.." button. The "Input Ethernet ID" dialog box appears and input adapter's Ethernet ID. Last step to select OK and close NETWORK SETUP. Select SKIP if only one adapter is installed on this computer.

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IInnssttaalllliinngg OOnnbbooaarrdd SSoouunndd DDrriivveerr

This motherboard comes with RealTek ALC650 AC97 CODEC. This audio driver supports Windows 98SE and upper Windows OS; you can find the audio driver from the Bonus Pack CD auto-run menu.

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IInnssttaalllliinngg AAGGPP DDrriivveerr

YYoouu ccaann ffiinndd AAGGPP ddrriivveerr ffrroomm tthhee BBoonnuuss PPaacckk CCDD aauuttoo--rruunn mmeennuu.

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AAOOCCoonnffiigg UUttiilliittyy

AOpen always dedicated to provide users a much friendly computer environment. We now bring you a comprehensive system detection

utility. A OConfig is a Windows based utility with user-friendly interface that allows users to obtain information of the operation system and hardware such as motherboard, CPU, memory, PCI devices and IDE devices. The powerful utility also displays the version of BIOS and firmware for your convenience of maintenance.

Moreover, AOConfig allows users to save inform ation in *.BMP or *.TXT format which users may coll ect t he syst em i nformation in detail and send them to AOpen directly for technical support or for further diagnose of system problems.

1. The system page shows the detailed information of the motherboard, operating system, processor, and BIOS version.

2. The PCI device page shows the configurations of all PCI devices installed in your motherboard.

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3. This page presents the IDE device information, such as serial number, manufacturer,

firmware version, and capacity.

4. From this page, users can obtain the technical support information of AOpen. Moreover,

detailed information could be saved in .bmp or .txt format.

NOTE:

AOConfig can be used under Windows 98SE/ME, NT4.0/2000, or even the latest Windows XP. Please also note that AOConfig can only be operated in a system equipped with an AOpen motherboard. Bef ore running AOConfig, all applications must be closed.

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IInnssttaalllliinngg HHaarrddwwaarree MMoonniittoorriinngg UUttiilliittyy

You can install Hardware Monitoring Utility to monitor CPU temperature, fans and system voltage. The hardware monitoring funct ion is automatically implemented by BIOS and utility software. No hardware installation is needed.

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AACCPPII SSuussppeenndd ttoo HHaarrdd DDrriivvee

ACPI Suspend to Hard Drive is basically controlled by Windows operation system. It saves your current work (system status, memory and

screen image) into hard disk, and then the s yst em c an be totally power off. Next time, when power is on, you can resume your original work directly from hard disk within few seconds without go through the Windows booting process and run your application again. If your memory is 64MB, normally, you need to reserve at least 64MB HDD space to save your memory image.

When go into Suspend:

When power-on next time:

System

Image &

Status

System

Image &

Status

Save into

Restore within seconds

Hard

Disk

Hard

Disk

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System Requirement

1. AOZVHDD.EXE 1.30b or later.

2. Delete config.sys and autoexec.bat.

Fresh installation of Windows 98 on a new system

1. Execute "Setup.exe /p j" to install Windows 98

2. After Windows 98's installation is complete, go to the Control Panel > Power Management. a. Set Power Schemes > System Standby to "Never". b. Click on "Hibernate" and select "Enable Hibernate Support" then "Apply". c. Click on the "Advanced" tab, you'll see "Hibernate" on "Power Buttons". Note that this option will only be seen after step b

mentioned above has been completed; otherwise only "Standby" and "Shutdown" will be shown. Select "Hibernate" and "Apply".

3. Clean boot into DOS and run AOZVHDD utility. a. If you ass ign the whole disk to your Win 98 system (FAT 16 or FAT 32), please run "aozvhdd /c /file". Please rem ember sufficient

free space has to be reserved in the disk, e.g. if you have 64 MB DRAM and 16 MB VGA card installed, the system needs at least 80 MB free space. Th e u tili ty will locate the space auto ma tically.

b. If you assign an individual partition for Win 98, please run "aozvhdd /c /partition". Of course, the system needs to provide

unformatted an empty partition.

4. Reboot system.

5. You've already implemented ACPI Suspend to-Hard Drive. Click "Start > Shut Down > Standby" then the screen will go off immediately.

And 1 minute or so will be taken for the system to save what's in the memory to the hard drive; the larger the memory size the longer this process will take.

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Changing from APM to ACPI (Windows 98 only)

1. Run "Regedit.exe" a. Go through the following path

HKEY_LOCAL_MACHINE

SOFTWARE

MICROSOFT

WINDOWS

CURRENT VERSION

DETECT b. Select "ADD Binary" and name it as "ACPIOPTION". c. Right click and select Modify, add "01" after "0000" to make it "0000 01". d. Save changes.

2. Select "Add New Hardware" under Control Panel. Allow Windows 98 to detect new hardware. (It will find "AC PI BIO S" and remove "Plug and Play BIOS")

3. Reboot system.

4. Clean boot into DOS and run "AOZVHDD.EXE /C /File"

Changing from ACPI to APM

1. Run "Regedit.exe" a. Go through the following path

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HKEY_LOCAL_MACHINE

SOFTWARE

MICROSOFT

WINDOWS

CURRENT VERSION

DETECT

ACPI OPTION

b. Right click and select "Modify, change "01" to "02" to make it "0000 02".

c. Save changes.

2. Select "Add New Hardware" under Control Panel. Allow Windows 98 to detect new hardware. (It will find "Plug and Play BIOS" and

remove "ACPI BIOS")

3. Reboot system.

4. Run "Add New Hardware" again and it will find "Advanced Power Management Resource".

5. Click "OK".

Tip: "02" means Windows 98 is ACPI acknowledged but the ACPI function is disabled.

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AACCPPII SSuussppeenndd ttoo RRAAMM ((SSTTRR))

This motherboard supports ACPI Suspend to RAM function. With this function, you can resume your original work directly from DRAM without going through the Windows 98 booting process and run your application again. Suspend to DRAM saves your current work in the system memory, it is faster than Suspend to Hard Drive but requires power supplied to DRAM, while Suspend to Hard Drive requires no power.

When go into Suspend:

When power-on next time:

System Image & Status in

the DRAM

System Image & Status in

the DRAM

Backup by 3.3V Power

Power back to

Other System

Devices

Other System

Devices

Power loss

Power back to w

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To implement ACPI Suspend to DRAM, please follow the procedures as below:

System Requirement

An ACPI OS is required. Currently, except Windows 95 and Windows NT, all other Windows Systems support ACPI.

Procedures

1. Changed the following BIOS settings.

BIOS Setup > Power Management Setup > ACPI Function: Enabled

BIOS Setup > Power Management Setup > ACPI Suspend Type: S3.

2. Go to Control Panel > Power Management. Set “Power Buttons” to “Standby”.

3. Press power button or standby button to wake up the system.

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AAWWAARRDD BBIIOOSS

System parameters can be modified by going into BIOS Setup menu, this menu allows you to configure the system parameters and save the configuration into the 128 bytes CMOS area, (normally in the RTC chip or in the main chipset).

AwardBIOS™ installed in the Flash ROM low-level support for standard devices such as hard disk drives, serial and parallel ports.

Most BIOS settings of AX45-533 Max / AX45-533 U2 have been optimized by AO pen’s R&D engineering team. But, the default setting of BIOS still can’t fine-tune the chipset controlling entire system. Therefore, the rest of this chapter intends to guide you the process of configuring your system setup.

To enter to BIOS setup menu

, press <Del> when POST (Power-On Self Test) sc reen is s hown on your monit or.

of the motherboard is a custom version of an industry standard BIOS. The BIOS provi des critical

Note: Because the BIOS code is the most often changed part of the motherboard design, the BIOS information contained in this manual may be different with actual BIOS that come with your motherboard.

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AAbboouutt BBIIOOSS FFuunnccttiioonn DDeessccrriippttiioonn……

AOpen always dedicates to give user a more friendly computer system. Now, we include all function descriptions of BIOS setup program into the BIOS Flash ROM. When you select one function of BIOS setup program, the function description will appear at the right side of screen. Therefore, you don’t need to read this manual while you change BIOS settings.

Menu Items Select Window Item Function Description Window

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HHooww TToo UUssee AAwwaarrdd™™ BBIIOOSS SSeettuupp PPrrooggrraamm

Generally, you can use arrow keys to highlight items that you want to choose, then press <Enter> key to select, and use the <Page Up> and <Page Down> key to change setting values. You can also press <F1> key for help and press <Esc> key to quit Award™ BIOS setup program. The following table provides details about how to use keyboard in the Award™ BIOS setup program. By the way, all products of AOpen also provide a special function in BIOS setup; you can press <F3> key selecting you preferred menu language.

Key Description

Page Up or + Changing sett i ng to next value or increas e the value. Page Down or - Changing setting to previous value or decrease value. Enter Select the item. Esc 1. In main menu: Quit and don’t save any change.

2. In sub menu: Exit current menu to main menu. Up Arrow Highlight previous item. Down Arrow Highli ght next item. Left Arrow Move the light bar to left side of menu. Right Arrow Move the light bar to right side of menu. F1 Get menu or item help description. F3 Changing menu language. F5 Load previous setting value from CMOS.

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Key Description

F6 Load fail-save setting value from CMOS. F7 Load turbo setting value from CMOS. F10 Save changed setting and exit setup program.

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HHooww TToo EEnntteerr BBIIOOSS SSeettuupp

After you finish jumper settings and connect correct cables, power on and enter the BIOS Setup. Press <Del> during POST (Power-On Self

Test) and choose "Load Setup Defaults" for recommended optimal performance.

Del

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.

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BBIIOOSS UUppggrraaddee uunnddeerr WWiinnddoowwss eennvviirroonnmmeenntt

With outstanding R&D ability of AOpen, we now bring you a whole new BIOS Flash wizard ---- EZWinFlash. With an eye to users convenience, EZWinFlash combines the BIOS binary code and flash module t ogether, so the only thing you have to do is just clicking on the utility you downloaded from web and let it helps you complete the flas h process automatically. EZWinFlash detects your motherboard and checks the BIOS version cleverly to prevent your system from any possible failure. Moreover, EZWinFlash has been taken into consideration to go with any windows platform you might be using, no matter if you’re using Wi ndows 95/98, 98SE/ME, NT4.0/2000, or even the latest Windows XP.

In the meanwhile, in order to provide a much more user-friendly operating environm ent, AOpen EZWinFlash is natively designed to have multi-language function to provide easier way for users’ usage in changing BIOS setting.

Caution: By updating your motherboard, you are taking a risk of BIOS flash failure. If your motherboard is working stable, and there are no major bugs that had been fixed by a latter BIOS revision, we recommend that you DO NOT try to upgrade your BIOS.

If you intent on upgrading, PLEASE BE SURE to get the right BIOS revision for the right motherboard model to avoid any

ossibility failure.

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You may accomplish BIOS upgrade procedure with EZWinFlash by the following steps, and it’s STRONGLY RECOMMMANDED to close all the applications before you start the upgrading.

1. Download the new version of BIOS package zip

2. Unzip the download BIOS package (ex: WAX45P533102.ZIP) with WinZip (http://www.winzip.com

3. Save the unzipped files into a folder, for example, WAX45P533102.EXE & WAX45P533102.BIN.

4. Double click on the WAX45P533102.EXE, EZWinFlash will detect the model name and BIOS version of your motherboard. If you had got the wrong BIOS, you will not be allowed to proceed with the flash steps.

5. You m ay select preferred l anguage in the main menu, then click [Start Flash] to start the BIOS upgrade procedure.

6. EZWinFlash will complete all the process automatically, and a dialogue box will pop up to ask you to restart Windows. You may click

[YES] to reboot Windows.

7. Press <Del> at POST to enter BIOS setup

It is strongly recommended NOT to turn off the power or run any application during FLASH PROCESS.

Warning: The new BIOS upgrade will permanently replace your original BIOS’s settings when flashing. You may need to reconfigure your BIOS setting so that your system can go back to work as normal.

file from AOpen official web site. (ex: http://www.aopen.com)

) in Windows environment.

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

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OOvveerrcclloocckkiinngg

As a leading manufacturer in motherboard industry, AOpen always listens to what customers want and develop products to fit different user's requirements. Reliability, compatibility, leading technology and friendly features are our basic goals when designing motherboards. Other than above mentioned design criteria, there are power users who are always seeking to push the limitation of the system performance by overclocking which we call them "Overclocker".

This section is dedicated to overclockers. This high performance motherboard is designed for maximum 533MHz CPU bus clock. But it comes with clock generator of 248MHz when

we design it to accommodate with future CPU bus clock. Not only that, the CPU clock ratio can be up to 24x that supports almost all of

Pentium

But not guaranty. ☺

4 CPUs in the future and provides flexibility for overclockers.

☺

☺☺

Tip: Note that overclocking may also cause thermal problem. Please make sure that the cooling fan and the heatsink were adequate to dissipate excessive heat that's generated by overclocking the CPU.

Warning: The design of this product follows CPU and chipset vendor's design guideline. Any attempts to push beyond product specification are not recommended and you are taking your own risk to damage your system or important data. Before doing overclocking, you must make sure your components are able to tolerate such abnormal setting, especially CPU, DRAMs, hard disks, and AGP VGA cards.

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VVGGAA CCaarrdd && HHaarrdd DDiisskk

VGA and HDD is key components for overclocking, for your reference, the following list are what have been successful overclocked i n our lab. Please note that AOpen can not guaranty they can be successful overclocked again. Please check the Available Vendor List (AVL) by link to our official website.

VGA: http://www .aopen.com.tw/tech/report/overclk/mb/vga-oc.htm HDD: http://www.aopen.com.tw/tech/report/overclk/mb/hdd-oc.htm

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GGlloossssaarryy

AACC9977

Basically, AC97 specification separates sound/modem circuit to two parts, digital processor and a CODEC for analogy I/O they are linked by AC97 link bus. Since digital processor can be put into motherboard main chipset, the cost of sound/modem onboard solution can be reduced.

AACCPPII ((AAddvvaanncceedd CCoonnffiigguurraattiioonn && PPoowweerr IInntteerrffaaccee))

ACPI is the power management specification of PC97 (1997). It intends to save more power by taking full control of power management to operating system and bypass BIOS Windows 98). This is a bit similar as the PnP transition.

AAGGPP ((AAcccceelleerraatteedd GGrraapphhiicc PPoorrtt))

AGP is a bus interface targeted for high-performance 3D graphic. AGP supports only memory read/write operation and single-master single-slave one-to-one only. AGP uses both rising and falling edge of the 66MHz clock, for 2X AGP, the data transfer rate is 66MHz x 4byte x 2 = 528MB/s. AGP is now moving to 4X mode, 66MHz x 4byte x 4 = 1056MB/s. AOpen is the first company to support 4X AGP motherboards by both AX6C (Intel 820) and MX64/AX64 (VIA 694x), started from Oct 1999.

. The chipset or super I/O chip needs to provide standard register interface to operating system (such as

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AAMMRR ((AAuuddiioo//MMooddeemm RRiisseerr))

The CODEC circuit of AC97 sound/modem solution can be put on motherboard or put on a riser card (AMR card) that connects to motherboard through AMR connector.

AAOOppeenn BBoonnuuss PPaacckk CCDD

A disc bundled with AOpen motherboard product; there are motherboard drivers, Acrobat Reader for PDF online manual and other useful utilities.

AAPPMM ((AAddvvaanncceedd PPoowweerr MMaannaaggeemmeenntt))

Unlike ACPI, BIOS controls most APM power management functions. AOpen Suspend to Hard Drive is a good example of APM power management.

AATTAA ((AATT AAttttaacchhmmeenntt))

ATA is the specification of diskette interface. In 80’s, many software and hardware manufacturers instituted the ATA specification to gether. The AT is meaning International Business Machines Corporat i on (IBM) personal computer/AT’s bus structure.

AATTAA//6666

ATA/66 uses both rising edge and falling edge but doubles UDMA/33 transfer rat e. The data transfer rate is 4 times of the PIO mode 4 or DMA mode 2, 16.6MB/s x4 = 66MB/s. To use ATA/66, you need special ATA/66 IDE cable.

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Aopen AX45533U2 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

AX45-533 Max / AX45-533 U2

Chipset

Expansion Slots

Memory

Die-Hard BIOS with external controller

Watch Dog Timer

1MHz Stepping Frequency Adjustment

Ultra DMA 33/66/100/133 Bus Mater IDE

Six USB2.0 Connectors

Dr. LED

Dr. Voice

S/PDIF Connectors

On-board IEEE 1394 Connectors (AX45 Max-533 Only)

Power Management/Plug and Play

Hardware Monitoring Management

Enhanced ACPI

Super Multi-I/O

Motherboard Map

System Requirement

Fresh installation of Windows 98 on a new system

Changing from APM to ACPI (Windows 98 only)

Changing from ACPI to APM

System Requirement

Procedures