AOpen AX45V User Manual

l

l

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuua

AX45 / AX45-V

DOC. NO.: AX45-OL-E0110A

a

Overview

Installation

Hardware

Drivers &

Utilities

BIOS Setup

AWARD

Glossary

Troubleshooting &

Technical Support

1

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

WWhhaatt’’ss iinn tthhiiss mmaannuuaall

AX45 / AX45-V............................................................................................................................................. 1

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

You Must Notice........................................................................................................................................................................8

Before You Start........................................................................................................................................................................9

Overview.................................................................................................................................................................................10

Feature Highlight.....................................................................................................................................................................11

Quick Installation Procedur e....................................................................................................................................................14

Motherboard Map....................................................................................................................................................................15

Block Diagram.........................................................................................................................................................................16

Hardware Installation ........................................................................................................................... 17

About “Optional” and “Upgrade Optional”…....................................................................................... ......................................18

JP14 Clear CMOS Data..........................................................................................................................................................19

CPU Installation ......................................................................................................................................................................20

CPU Jumper-less Design........................................................................................................................................................23

CPU and System Fan Connector (with H/W Monitoring)..........................................................................................................26

DIMM Sockets.........................................................................................................................................................................27

Front Panel Connector............................................................................................................................................................29

ATX Power Connector.............................................................................................................................................................30

2

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AC Power Auto Recovery........................................................................................................................................................30

IDE and Floppy Connector......................................................................................................................................................31

IrDA Connector........................................................................................................................................................................33

Thermal Sensor Connector.....................................................................................................................................................34

AGP (Accelerated Graphi c Port) Expansion Slot.....................................................................................................................35

WOM (Zero Voltage Wake on Modem) Connector...................................................................................................................36

WOM by External BOX Modem...............................................................................................................................................37

WOM by Internal Modem Card................................................................................................................................................38

WOL (Wake on LAN)...............................................................................................................................................................39

Support 10/100 Mbps LAN onboard (Optional)........................................................................................................................41

CNR (Communication and Network Riser) Expansion Slot ......................................................................................................42

PC99 Color Coded Back Panel ...............................................................................................................................................43

Support 3 USB Ports...............................................................................................................................................................44

Chassis Intrusion Connector....................................................................................................................................................45

CD Audio Connector................................................................................................................................................................46

Modem Audio Connector.........................................................................................................................................................47

Front Audio Connector ............................................................................................................................................................48

Dr. LED Connector (Upgrade Optional)...................................................................................................................................49

Battery-less and Long Life Design...........................................................................................................................................51

3

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Over-current Protection...........................................................................................................................................................52

Hardware Monitoring...............................................................................................................................................................53

Resettable Fuse......................................................................................................................................................................54

2200µF Low ESR Capacitor....................................................................................................................................................55

Layout (Frequency Isolation Wall)...........................................................................................................................................56

Pure Aluminum Heatsink.........................................................................................................................................................57

Driver and Utility ................................................................................................................................... 58

Auto-run Menu from Bonus CD Disc........................................................................................................................................ 59

Installing LAN Driver (Optional)...............................................................................................................................................60

Installing Onboard Sound Driver..............................................................................................................................................61

Installing Hardware Monitoring Utility....................................................................................................................................... 62

ACPI Suspend to Hard Drive...................................................................................................................................................63

ACPI Suspend to RAM (STR)..................................................................................................................................................67

AWARD BIOS ......................................................................................................................................... 69

About BIOS Function Description….........................................................................................................................................70

How To Use Award™ BIOS Setup Program ............................................................................................................................71

How To Enter BIOS Setup.......................................................................................................................................................73

BIOS Upgrade.........................................................................................................................................................................74

Overclocking ......................................................................................................................................... 76

4

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

VGA Card & Hard Disk............................................................................................................................................................ 77

Glossary ................................................................................................................................................ 78

AC97.......................................................................................................................................................................................78

ACPI (Advanced Configuration & Power Interface)..................................................................................................................78

AGP (Accelerated Graphic Port)..............................................................................................................................................78

AMR (Audio/Modem Riser)......................................................................................................................................................79

AOpen Bonus Pack CD...........................................................................................................................................................79

APM (Advanced Power Management)..................................................................................................................................... 79

ATA (AT Attachment) ...............................................................................................................................................................79

ATA/66 .................................................................................................................................................................................... 79

ATA/100 ..................................................................................................................................................................................80

BIOS (Basic Input/Output System) ..........................................................................................................................................80

Bus Master IDE (DMA mode)..................................................................................................................................................80

CNR (Communication and Networking Riser)..........................................................................................................................80

CODEC (Coding and Decoding)..............................................................................................................................................81

DDR (Double Data Rated) SDRAM.........................................................................................................................................81

DIMM (Dual In Line Memory Module)......................................................................................................................................81

DMA (Direct Memory Access)..................................................................................................................................................81

ECC (Error Checking and Correction) .....................................................................................................................................82

5

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

EDO (Extended Data Output) Memory....................................................................................................................................82

EEPROM (Electr o n ic Erasable Programmable ROM)..............................................................................................................82

EPROM (Erasable Programmable ROM)................................................................................................................................82

EV6 Bus..................................................................................................................................................................................83

FCC DoC (Declaration of Conformity).....................................................................................................................................83

FC-PGA (Flip Chip-Pin Grid Array)..........................................................................................................................................83

Flash ROM.............................................................................................................................................................................. 83

FSB (Front Side Bus) Clock ....................................................................................................................................................84

2

I

C Bus....................................................................................................................................................................................84

IEEE 1394...............................................................................................................................................................................84

Parity Bit..................................................................................................................................................................................84

PBSRAM (Pipelined Burst SRAM)...........................................................................................................................................85

PC-100 DIMM.........................................................................................................................................................................85

PC-133 DIMM.........................................................................................................................................................................85

PC-1600 or PC-2100 DDR DRAM...........................................................................................................................................85

PCI (Peripheral Component Interface) Bus..............................................................................................................................85

PDF Format.............................................................................................................................................................................86

PnP (Plug and Play) ................................................................................................................................................................86

POST (Power-On Self Test).....................................................................................................................................................86

6

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

RDRAM (Rambus DRAM).......................................................................................................................................................86

RIMM (Rambus Inline Memory Module) ..................................................................................................................................87

SDRAM (Synchronous DRAM)................................................................................................................................................ 87

Shadow E

SIMM (Single In Line Memory Module)....................................................................................................................................87

SMBus (System Management Bus).........................................................................................................................................88

SPD (Serial Presence Detect).................................................................................................................................................88

Ultra DMA...............................................................................................................................................................................88

USB (Universal Serial Bus) .....................................................................................................................................................89

VCM (Virtual Channel Memory)...............................................................................................................................................89

ZIP file.....................................................................................................................................................................................89

Troubleshooting .................................................................................................................................... 90

Technical Support ................................................................................................................................. 94

Product Registration........................................................................................................... .................. 97

How to Contact Us................................................................................................................................ 98

2

PROM....................................................................................................................................................................87

7

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 are trademarks of Intel Corporat i on.
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 cop yright 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

©

1996-2000, AOpen Inc. All Ri ghts Reserved.

8

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

BBeeffoorree YYoouu SSttaarrtt

This Online Manual will introduce to the user how this product is installed. All useful information will be described in lat er 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 disc

web site.

Although this Online Manual is optimized for screen viewing, it is still capable for hardcopy printi 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

9

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

OOvveerrvviieeww

Thank you for choosing AOpen AX45 / AX45-V motherboard. The AX45 / AX45-V is Intel® Socket 478 motherboard (M/B) based on the ATX
form factor featuring the SIS 645 / SIS 961 chipset
support Intel
one AGP slot and supports AGP 4X mode and pipelined spilt-transaction long burst transfer up t o 1056MB/sec. According to different
customer’s requirements, 128, 256, 512Mb and 1GB DDR SDRAM DIMM modules can be applied to the motherboard and the maximum
memory size can be up to 3 GB. The onboard IDE controller supports Ultra DMA
Further flexibility can be achieved by taking advantage of the Communication and Network Riser (CNR)
modem, and/or LAN configuration on a single baseboard design. More than t hat,
on the strength of Realtek 8100BL LAN controller on board, which is an
highly-integrated Platform LAN Connect devic e, it provides 10/100M
bps Ethernet for office and home use (Optional). Besides, the AX45 /
AX45-V has a RealTek ALC201A AC97
providing high performance and magic surround stereo sound to let
people enjoy working with it. Now, let’s enjoy all features from AOpen
AX45 / AX45-V motherboard.

®

Socket 478 Pentium® 4 (Willamette / Northwood) and 400 MHz Front Side Bus (FSB) clock. In the AGP performance, it has

CODEC chipset onboard

. As high performance chipset built in the M/B, the AX45 / AX45-V motherboard can

33/66/100 mode and the transfer rate up to 100MB/s.

card option that allows audio,

10

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

FFeeaattuurree HHiigghhlliigghhtt

CPU

Supports Intel® Socket 478 Pentium® 4 (Willamette / Northwood) 1.3GHz~2.4GHz+ with 400MHz Front Side Bus (FSB) designed for Socket
478 technology.

Chipset

The motherboard is equipped with SIS 645 / 961 chipset. SIS 645 chipset consists of host interface Controller and integrated high
performance DDR SDRAM
delivering 533MB/s Bandwidth. In coordination with SIS 645, the SIS 961 chipset integrated fast Ethernet/Home networking controller,
Audio/Modem Controller with AC’97 interface and advanced power management, which can strongly enhance the system performance.

Host system controller, which provide superior performance between the CPU, SDRAM, AGP bus, and

Expansion Slots

Including six 32-bit/33MHz PCI, one CNR and one AGP 1x2x4X slots. The PCI local bus throughput can be up to 132MB/s. The

Communication & Nectworking Riser (CNR)
Accelerated Graphics Port (AGP)

support data transfer rate up to 1056MB/s. AX45 / AX45-V motherboard includes one AGP expansion slot for a bus mastering AGP graphic
card. For AD and SBA s ignaling, AX45 / AX45-V 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.

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

slot provided from AX45 / AX45-V can support CNR interface for a Modem/Audi o card. The

11

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Memory

With SIS 645 / 961 chipset, the AX45 / AX45-V can support Double-Data-Rate (DDR) SDRAM. The DDR SDRAM interfac e allows zero wait
state bursting between the SDRAM and the data buffers at 66/100/133MHz. The six banks of DDR SDRAM can be composed of an
arbitrary mixture of 1M/2M4M/8M/16M/32M/64Mx1GB DDR SDRAM and maximum up to 3 GB.

LAN Port (Optional)

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

Ultra DMA 33/66/100 Bus Mater IDE

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

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

On-board AC’97 Sound

AX45 / AX45-V uses the RealTek ALC201A AC97 sound chip. This on-board audio includes a complete audio recording and playback
system.

Six USB Connectors

Provides three ports, six USB c onnectors for USB interface devices, such as mouse, keyboard, modem, scanner, etc.

12

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Dr. LED (Upgrade Optional)

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

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.

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.

13

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 Sys tem 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 Syst em (such as Windows 98)

11. Installing Dri ver and Utility

14

r

r

r

r

r

r

r

r

A

A

A

r

r

r

r

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Case Open Connecto

2Mbit Programmable

MODEM-CN

Realtek ALC201A

Front Audio Connecto

Thermal Sensor Connecto

CNR Expansion Slot

CD-IN

WOM (Wake on Modem)

Supports 2nd USB Connecto

Supports 3rdUSB Connecto

Front Panel Connecto

JP14 CMOS Clear Jumpe

FAN2 & FAN3 Co nnect o

Dr. LED Connector(Up

Connecto

WOL (Wake on LAN)

Connecto

IrDA Connecto

FDD Connecto

grade Optional)

ATA/33/66/100

IDE Connector x2

Motherboard Map

PC99 Colored Back Panel

Resettable Fuse
4-pin 12V. ATX Power Connector
32-bit PCI Expansion Slot x5

Realtek RTL8100BL (Optional)
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 1.3~2.4GHz+ CPU

SIS 645/961 Chipset

184-pin DIMMx3 supports
DDR266/DDR333 (DIMMx2)
DDR SDRAM maximum up to 3 GB

TX Power Connector

15

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

BBlloocckk DDiiaaggrraamm

Socket 478

Intel Pentium 4

CPU(Willamette

/Northwood)

AGP 4X Slot

DDR266/DDR333 DDR

SDRAM Up to 1.5GB

DIMM Socket x3

400MHz System

Bus

LAN connect Component

Floppy Disk Drive x2

SIS 645

USB

Connector x6

PCI Bus

Realtek

RTL8100BL

1stUSB Port

2ndUSB Port

3rdUSB Port

32-bit PCI Slot x6

ATA

33/66100

Primary

Channel

Secondary

Channel

SIS 961

Winbond
W83637/
W83627

RealTek

ALC201A

AC97

CODEC

AC Link

Firmware Hub

2Mbit Flash EEPROM

Parallel Port

Serial Port x2

IDE Drive x4

CNR Slot

16

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

HHaarrddwwaarree IInnssttaallllaattiioonn

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

Note: Electrostatic discharge (ESD) can damage your proc essor, 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.

17

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AAbboouutt ““OOppttiioonnaall”” aanndd ““UUppggrraaddee OOppttiioonnaall””……

When you read this online manual and start to assemble your com puter system, you may f ind some of functi ons are called “Optional”, and
some are called “Upgrade Optional”. Though all AOpen motherboards include m any amazing and powerful features, in some situations,
these powerful features are not used to every user. Hence, we changed some key features as “Optional” for you to choose. Some optional
functions that can be upgraded by users, we call them “Upgrade Optional”. As for those optional functions that can’t be upgraded by
ourselves, we call them “Optional”. If needed, you can contact our local distributors or resellers for purchasing “Upgrade Optional”
components, and again you can visit AOpen official web site: www.aopen.com

for more detail information.

18

(

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Pin 1

Normal

default)

1

1

Clear CMOS

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

JJPP1144 CClleeaarr CCMMOOSS DDaattaa

You can clear CMOS to restore system default setting. To clear the CMOS, follow the procedure below.

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

2. Remove ATX power cable from connector PWR2.

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

4. Return JP14 to its normal setting by shorting pin 1 & pin 2.

5. Connect ATX power cable back to connector PWR2.

19

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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. Locate Pin 1 in the socket and look for a black dot or cut edge on the CPU
upper interface. Match Pin 1 and cut edge, then insert the CPU into the
socket.

Note: These pictures are for example only, it may not exactly be the same motherboard.

CPU socket

Lever

CPU pin 1 and

cut edge

CPU cut edge

20

y

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

Note: This picture is for example only, it may not exactly be the same motherboard.

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.

21

y

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

CCPPUU FFaann IInnssttaallllaattiioonn

This motherboard comes with a retention module attached on the CPU socket when shipped, we strongly recommend you to instal l 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. Pressing down the four clips with force one by one
on the retention module.

Clip

22

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

Pentium 4 &

Celeron CPU

CPU VID signal

Power Regulator

(Automatically generates CPU voltage)

CPU voltage

Clock

Generator

CPU Freq. Ratio

BIOS

Controlled

Circuit

23

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

SSeettttiinngg CCPPUU CCoorree VVoollttaaggee

This motherboard supports CPU VID function. The CPU core voltage will be aut om atically detected.

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 (By BIOS table)

8x, 9x, 10x… 21x, 22x, 23x, 24x
100, 105, 108, 112 and 133MHz.

24

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

CPU

Pentium 4 1.3G 1300MHz 100MHz 400MHz 13x

Pentium 4 1.4G 1400MHz 100MHz 400MHz 14x

Pentium 4 1.5G 1500MHz 100MHz 400MHz 15x

Pentium 4 1.6G 1600MHz 100MHz 400MHz 16x

Pentium 4 1.7G 1700MHz 100MHz 400MHz 17x

Pentium 4 1.8G 1800MHz 100MHz 400MHz 18x

Pentium 4 1.9G 1900MHz 100MHz 400MHz 19x

Pentium 4 2.0G 2000MHz 100MHz 400MHz 20x

Pentium 4 2.2G 2200MHz 100MHz 400MHz 22x

Pentium 4 2.4G 2400MHz 100MHz 400MHz 24x

CPU Core
Frequency

FSB
Clock

System
Bus

Ratio

Warning: SIS 645 / 961 chipset supports
maximum 400MHz (100MHz*4) system bus
and 66MHz AGP clock; higher clock setting
may cause serious system damage.

25

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 System FAN (FAN2) or AUX
FAN (FAN3) connector.

CPU Fan Connector

FAN2 Connector

GND
+12V
SENSOR

FAN3 Connector

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

26

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

DDIIMMMM SSoocckkeettss

This motherboard has three 184-pin DIMM sockets that allow you to install DDR 266 or DDR 333 memory up to 3 GB. Please be noted that
for DDR266 memory, you may install them on all of the sockets; but for DDR333 memory, you may i nstall only them on two sockets.

DIMM1
DIMM2
DIMM3

27

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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.

Tab

40 pins 52 pins

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

28

e

&

r

r

A

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

1

SPWR

CPI & PWR

LED

Reset

SPEAKER

NC
NC

+5V
IDE LED
IDE LED

+5V

+5V

GND

NC

1

SPWR
GND
ACPI LE D­ GND
ACPILED
NC
NC
GND
RESET
GND

29

K

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AATTXX PPoowweerr CCoonnnneeccttoorr

This motherboard comes with a 20-pin ATX power connector and an extra 4-pin connector as shown below. Make sure you plug in the right
direction. We strongly recommend you to insert the 4-pin connector before connecting the 20-pin connector.

Pin1

Ground
12V
12V
Ground

AACC PPoowweerr AAuuttoo RReeccoovveerryy

COM
COM

+12V

5VSB

PO-O

COM

-5V
+5V
+5V

+5V

COM
PS-ON
COM

-12V
+3.3V

+3.3V
+3.3V
COM
+5V
COM

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.

30

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

IIDDEE aanndd FFllooppppyy CCoonnnneeccttoorr

Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE connector. The blue connector is IDE1 for clear
identification. Be careful of the pin1 orientation. Wrong orientation may cause system damage.

FDD Connector

Pin 1

Slave (2nd)

Pin 1

Secondary

Slave (4th)

Primary

Primary Master

(1st)

IDE 1 (Primary)
IDE 2 (Secondary)

Secondary

Master (3rd)

ATA 33/66/100
IDE Connector

31

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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. E ither 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.

This motherboard supports ATA33
IDE bus is 16-bit, which means every transfer is two bytes.

Mode Clock Period Clock

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
UDMA 33 30ns 4 120ns (1/120ns) x 2byte x2 = 33MB/s
UDMA 66 30ns 2 60ns (1/60ns) x 2byte x2 = 66MB/s
UDMA100 20ns 2 40ns (1/40ns) x 2byte x2 = 100MB/s

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

, ATA66 or ATA100 IDE devices. Following table lists the transfer rate of IDE PIO and DMA modes. The

Count

Cycle Time Data Transfer Rate

Tip:

1. For better signal quality, it
is recommended to set the
far end side device to
master mode and follow
the suggested 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 80-wires IDE

cable for Ultra DMA

32

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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.

Pin 1

NC

+5V

IR_TX

IIrrDDAA CCoonnnneeccttoorr

KEY
GND
IR_RX

33

j

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

TThheerrmmaall SSeennssoorr CCoonnnneeccttoorr

With the increasing performance of system, the components nowadays always generate enorm ous heat in your system, such as CPU,
VGA card, HDD, and so on. This motherboard provides thermal sensor for users to detect the temperature of any components. You may

ust connect a sensor on this connector to sense any possible overheating components.

34

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AAGGPP ((AAcccceelleerraatteedd GGrraapphhiicc PPoorrtt)) EExxppaannssiioonn SSlloott

The AX45 / AX45-V 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.

35

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 tthhee WWOOMM ccoonnnneeccttoorr oonn tthhee mmootthheerrbbooaarrdd..

Pin 1

WOM Connector

+5VSB
NC
RI­GND

WWOOMM CCoonnnneeccttoorr

36

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

m

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..

Serial Port (Modem

Side)

Pin 1

Serial Port

(Motherboard Side)

37

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

d

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..

38

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 syst em 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.

LID

GND

+5VSB

WOL connector

39

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

WOL Connector

(Motherboard Side)

WOL Connector

(Ethernet Card Side)

40

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

SSuuppppoorrtt 1100//110000 MMbbppss LLAANN oonnbbooaarrdd ((OOppttiioonnaall))

The South Bridge SIS961 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, it provides 10/100M bps Ethernet for office and home use, the Ethernet
RJ45 connector is located on top of USB connectors. The green LED indicates the link mode, it lights when li nking to network and
blinking when transferring data. The orange LED indicat es 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

41

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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, multi-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

42

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

PPCC9999 CCoolloorr CCooddeedd BBaacckk PPaanneell

The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, RJ-45 LAN Connector (Optional), COM1 and COM2, Printer, Six 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

RJ-45 LAN
Connector

(Optional)

SPP/EPP/ECP

Parallel Port

MIDI/Game Port

PS/2 Keyboard

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.
USB Port: Available for connecting USB devices.
Parallel Port: To connect with SPP/ECP/EPP printer.
COM1/COM2 Port: To connect with poi nting 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 External Speaker , Earphone or Amplifier.
Line-In: Comes from the signal sources, such as CD/Tape player .
MIC-In: From Microphone.
MIDI/Game Port: For 15-pin PC joystick, game pad or MIDI devices.

Connector

USB

Connectors

COM 1 Port

COM 2 Port

MIC-In
Line-In
Speaker Out

43

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

SSuuppppoorrtt 33 UUSSBB PPoorrttss

This motherboard provides six USB connectors to c onnect USB devices, such as mouse, keyboard, modem, printer, etc. There are two
connectors on the PC99 back panel. You can use proper cable to connect other USB connectors to the back panel or front panel of chassis.

USB_FP_OC0

USB_FP_P1+

USB_FP_P1-

UUSSBB22 CCoonnnneeccttoorr

GND

USBPWR0

1

Pin 1

KEY
GND
USB_ FP_P0+
USB_FP_P0­USBPWR0

44

1

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 the opening of the
chassis, the system will send out beep sound 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.

SENSOR

Chassis Intrusion

Connector

GND

45

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

46

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

MMooddeemm AAuuddiioo CCoonnnneeccttoorr

This connector is used to connect Mono In/MIC Out cable from internal modem card to onboard sound circuit. The pin 1-2 is Mono In, and
the pin 3-4 is MIC Out. Please note that there is no standard for this kind of connector yet, only some internal modem cards implement this
connector.

MIC OUT

GND
GND

MONO IN

MMOODDEEMM--CCNN CCoonnnneeccttoorr

47

y

p

A

A

A

A

Y

R

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 rem ove 5-6 and 9-10 jumper caps from the Front Audio Connec tor before connecting the cable.
Please do not remove these 5-6 and 9-10 yellow jumper caps if there’s no audio port on the front panel.

Pin 1

AUD_RET_L

KE

AUD_RET_

AUD_VCC

AUD_GND

UD_FPOUT_L

NC

UD_FPOUT_R
UD_MIC_BIAS
UD_MIC

Note: Please remove the jumper cap from the Front Panel Audio Connector before

ou connect the cable. Do not remove this yellow jumper cap if housing without an

audio

ort on the front panel.

48

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

DDrr.. LLEEDD CCoonnnneeccttoorr ((UUppggrraaddee OOppttiioonnaall))

In conjunction with Dr. LED (Upgrade Optional), which can easily shows what kind of problems may occur on your system during assembly.
It can clearly indicate whether there is a component issue or an installed issue by the 8 LEDs on the front panel of Dr. LED. This can helps
you to have a self-diagnostic to your system status quickly.

Pin 1

3.3V

GND

1 2

GPO11
GPO12
GPO13

5 6

49

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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.

765 432 10

Boot O.K. KB HDD

Floppy

CPU Video 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

50

A

r

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

BBaatttteerryy--lleessss aanndd LLoonngg LLiiffee DDeessiiggnn

This Motherboard implements Flash ROM and a special circuit that allows you to save your current CPU and CMOS Setup configurations
without the need of a battery. 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 rec over as usual.

ATX Stand-by Power

Battery

RTC

00:00:00

CMOS

Auto Switch

uto switching to ATX s tandby powe
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

51

A

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

OOvveerr--ccuurrrreenntt PPrrootteeccttiioonn

The Over Current Protection was very popular implem ented on ATX 3.3V/5V /12V switching power supply. Howe ver, the new generation
CPU uses different voltage that has regulator to transfer 5V to CPU voltage (for example, 2.0V), and makes 5V over current protection
useless. This motherboard is with switching regulator onboard supports CPU over-current protection; in conjunction with 3.3V/5V/12V
power supply provide the full line over-current protection.

Note: Although we have implemented protection circuit try to prevent any human operating mistake,
there is still certain risk that CPU, memory, HDD, add-on cards installed on this motherboard may be
damaged because of component failure, human operating error or unknown nature reason.

cannot guaranty the protection circuit will always work perfectly.

ATX

Switching

Power

Supply

12V (Protected by power supply)

3.3V (Protected by power supply)

5V (Protected by power supply)

Onboard

Power

Regulator

Over-Current

Protection

Circuit

CPU Core Voltag e

Open

52

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 continue to monitor your
system’s working voltage, fan status and CPU temperature. If any of these systems’ status goes wrong, there will be an alarm through the
chassis external speaker or buzzer of motherboard (if existed) to warn the user.

Power

53

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

RReesseettttaabbllee FFuussee

Traditional motherboard has fuse for Keyboard and USB port to prevent over-current or shortage. These fuses are soldered onboard that
when it is broken (function as protecting the motherboard), user still cannot replace it and the motherboard is still malfunctioning.

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

Resettable

Fuse

54

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

0

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 / AX45-V implements 2200μF capacitors, which is much larger than normal capacitor (1000 & 1500μf) and it provides
better stability for CPU power.

μμμμ

μμμμ

FF LLooww EESSRR CCaappaacciittoorr

55

t

k

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

LLaayyoouutt ((FFrreeqquueennccyy IIssoollaattiioonn WWaallll))

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

For high frequency operation, especially overclocking,
layout is the most im portant factor to make sure chipse
and CPU working in stable condition. The layout of this
motherboard implements AOpen’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 to avoid
cross talk and frequency interference between each
region’s operations and condition. The trace length and
route must be calculated caref ully. For example, the cloc
trace must be equal length (not necessarily as short as
possible) so that clock skew will be controlled within few a
pico second (1/10

12

Sec)

56

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

PPuurree AAlluummiinnuumm HHeeaattssiinnkk

Cool down CPU and Chipset is important for system reliability. Aluminum heat sink provi des bett er heat c onsum pti on espec i ally when you
are trying to over clocking the CPU.

57

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

DDrriivveerr aanndd UUttiilliittyy

There are motherboard drivers and utilities included in AOpen Bonus CD di sc. You don’t need to install all of them in order to boot your
system. But after you finish the hardware installation, you have to install your operation system first (suc h as Windows 98) before you can
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.

58

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AAuuttoo--rruunn MMeennuu ffrroomm BBoonnuuss CCDD DDiisscc

You c an use t he auto-run m enu of Bonus CD disc. Choose the utility and driver and sel ect model name.

59

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

IInnssttaalllliinngg LLAANN DDrriivveerr ((OOppttiioonnaall))

You c an i nstall LAN Driver under Windows95/98, Windows NT and Windows 2000 for RealTek 8100BL PCI Fast Ethernet adapter
by following steps.

Installing driver procedure on Microsoft Windows 95 :

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

1. Select "Driver from disk provided by hardware manufacturer" when being asked which driver you would like t o install.

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. Follow the procedure and insert Windows 95 system disk to complete setup step.

4. Windows 95 will finish the other installation procedures automatically, and then restart your system.

Installing driver for Win98/Win98 SE/Windows2000/Windows ME :

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

1. Select "Driver from disk provided by hardware manufacturer" when being asked which driver you would like t o install.

2. Specify the setup file pathname
[CD-ROM]:Driver\LAN\RTL8100\Windows\WIN98 (for Windows 98/98 SE) or
[CD-ROM]:Driver\LAN\RTL8100\Windows\WIN2000 (for Windows 2000) or
[CD-ROM]:Driver\LAN\RTL8100\Windows\Windows ME (for Windows ME)

3. Follow the procedure and insert your system disk (Win98/Win98 SE/Windows2000/Windows ME) to complete set up step.

4. Win98/Win98 SE/Windows2000/Windows ME will finish the other installation procedures automatically, and then restart your

system.

60

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

IInnssttaalllliinngg OOnnbbooaarrdd SSoouunndd DDrriivveerr

This motherboard comes with a RealTek ALC201 AC97 CODEC. You can find the audio driver from the Bonus Pack CD disc auto-run
menu.

61

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

IInnssttaalllliinngg HHaarrddwwaarree MMoonniittoorriinngg UUttiilliittyy

You c an i nstall Hardware Monitoring Utility to monitor CPU temperature, fans and system voltage. The hardware monitoring function is
automatically implemented by the BIOS and utility software. No hardware installation is needed.

62

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

Hard

Disk

Hard

Disk

Save into

Restore within
seconds

63

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 "S hutdown" will be shown. Select "Hibernate" and "Apply".

3. Clean boot into DOS and run AOZVHDD utility.

a. If you assign the whole disk to your Win 98 system (FAT 16 or FAT 32), please run "aozvhdd /c /file". Please remember 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 spa ce automatically.

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 s o 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 tak e.

64

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 "ACPI BIOS" 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

65

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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.

Tip: Currently we found onl y ATI 3D Rage Pro AGP card would support ACPI
suspend to disk. Please refer to AOpen web site for latest update

66

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AACCPPII SSuussppeenndd ttoo RRAAMM ((SSTTRR))

This motherboard supports ACPI Suspend to RAM function. With this funct ion, 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

rk

67

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

System Requirement

An ACPI OS is required. Currently, Windows 98 is the only choice. Please refer to ACPI Suspend to Hard Drive of how to setup Windows
98 ACPI mode.

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.

68

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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).

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

Most BIOS setting of AX45 / AX45-V had optimized by AOpen’s R&D engineering team. But, the default setting of BIOS still can’t fine-tune
the chipset controlling entire system. Hence, the rest of this chapter is intended to guide you through the process of configuring your system
using setup.

To enter to BIOS setup menu

, press <Del> when POST (Power-On Self Test) screen is shown on your monitor.

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

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.

69

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AAbboouutt BBIIOOSS FFuunnccttiioonn DDeessccrriippttiioonn……

AOpen always dedicates to give users a more friendl y 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 appeared at right side of
screen. Hence, you don’t need read this manual while you changing the BIOS setting.

Menu Items Select Window Item Function Description Window

70

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

HHooww TToo UUssee AAwwaarrdd™™ BBIIOOSS SSeettuupp PPrrooggrraamm

Generally, you can use the arrow keys to highlight items that you want to choose, then press <Enter> key to select, and us e the <P age Up>
and <Page Down> key to change setting value. You also can 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 provides a special function in the BIOS setup, you can press <F3> key selecting preferred menu language to display.

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 Highlight 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.

71

p

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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.

Note: AOpen always dedicates to give users 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

rogram, the function description will appeared at ri ght
side of screen. Hence, you don’t need read this manual
while you changing the BIOS setting.

72

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

HHooww TToo EEnntteerr BBIIOOSS SSeettuupp

After you finish the setting of jumpers and connect correct cables. Power on and enter the BIOS Setup, press <Del> during POST

(Power-On Self Test). Choose "L oad 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.

73

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

BBIIOOSS UUppggrraaddee

By flashing your motherboard, you agree to accept the possibi lity of BIOS flash failure. If you motherboard is working and is stable, and
there are no major bugs that were fixed by a latter BIOS revision, we recommend that you DO NOT try to upgrade your BIOS.

By doing so, you are taking a risk of BIOS flash failure. If you indeed intent on upgrading, PLEASE BE SURE to use the right B I OS revision
for the right motherboard model.

AOpen Easy Flash is a little different than traditional flash method. The BIOS
run a single commend to complete the flash process.

binary file and flash routine are linked together and you simply

Caution: AOpen Easy Flash BIOS programs are designed to be
compatible with the Award BIOS. At the date of this note, AOpen Easy
Flash BIOS programs are not available for AMI BIOS. AMI BIOS
appears mostly only on old 486 boards and some early Pentium
boards. Please be sure to view the README compressed inside the
BIOS package before upgrading, and follow upgrade instructions
carefully. This will minimize the chance of flash failures.

74

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Below are the steps for easy flashing procedures: (applies for Award BIOS ONLY)

1. Download new BIOS upgrade zip

2. Run shareware PKUNZIP (http://www.pkware.com/
and the flash utility. Or Winzip (http://www.winzip.com/

3. Save the unzi pped fil e into a bootable floppy disk. For example, AX45102.BIN & AX45102.EXE

4. Reboot the system to DOS mode without loading any memory handler (such as EMM386) or device driver. It needs around 520K
free memory spaces.

5. Execute A:> AX45102 and the program will do the rest of it.

DO NOT turn off the power during FLASH PROCES S until you are asked to!!

6. Reboot syst em and press <Del> to enter BIOS setup

file from AOpen's web site. For example, AX45102.ZIP.

) which supports miscellaneous operation systems to extract the binary BIOS file

) in Windows environment.

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

Warning: The new BIOS upgrade will permanently replace your
original BIOS's settings and PnP information when flashing. You may
need to reconfigure your BIOS setting and re-install Win95/Win98 as
well as your add-on cards, so that your system can go back to work as
normal.

75

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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, leadi ng 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 400MHz CPU bus clock. Some lab tests results showed that 133MHz is

achievable when proper setting and qualified components were presented. Not only that, the CPU clock ratio can be up to 24x that supports
almost all of Pentium

But not guaranty. ☺

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.

®

4 CPUs in the future and provides flexibility for overclockers.

☺

☺☺

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.

76

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

VVGGAA CCaarrdd && HHaarrdd DDiisskk

VGA and HDD is key components for overclocking, for your reference, the following list are what have been successful overclock ed in 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

77

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

register interface. ACPI defines ATX momentary soft power switch to control the power state

78

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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 m anagement functions. AOpen Suspend to Hard Drive is a good exam ple 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 t ogeth er.
The AT is meaning International Business Machines Corporation (IBM) personal computer/AT’s bus structure.

AATTAA//6666

ATA/66 uses both rising edge and falling edge but doubles UDMA/33 transfer rate. 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.

79

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

AATTAA//110000

ATA/100 is a new IDE specification under developing. ATA/100 uses both rising edge and falling edge as ATA/66 but clock cycle time is
reduced to 40ns. The data transfer rate is (1/40ns) x 2 bytes x 2 = 100MB/s. To use ATA/ 100, you need special 80-wire IDE cable, the same
as ATA/66.

BBIIOOSS ((BBaassiicc IInnppuutt//OOuuttppuutt SSyysstteemm))

BIOS is a set of assembly routine/program that reside in EPROM or Flash ROM. BIOS controls Input/output devices and other hardware
devices of motherboard. In general, to provide hardware independent portability, operation system and drivers is required to access BIOS
without directly access hardware devices.

BBuuss MMaasstteerr IIDDEE ((DDMMAA mmooddee))

The traditional PIO (Programmable I/O) IDE requires the CPU to involve in all the activities of the IDE access including waiting for the
mechanical events. To reduc e the workload of the CPU, the bus master IDE device transfers data from/to memory without interrupting CPU,
and releases CPU to operate concurrently while data is transferring between memory and IDE device. You need the bus master IDE driver
and the bus master IDE HDD to support bus master IDE mode.

CCNNRR ((CCoommmmuunniiccaattiioonn aanndd NNeettwwoorrkkiinngg RRiisseerr))

The CNR specification provides the PC industry the opportunit y to deliver a flexible and cost reduced method of implementi ng LAN, home
networking, DSL, USB, wireless, audio and modem subsys tems widely used i n today's "connect ed PCs". The CNR specif icat ion is an open
industry specification and is supported by OEMs, IHV card manufacturers, silicon supplier and Microsoft.

80

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

CCOODDEECC ((CCooddiinngg aanndd DDeeccooddiinngg))

Normally, CODEC m eans a circuit that can do digi tal to analog c onversion and also the analog t o digital conversion. It is part of AC97
sound/modem solution.

DDDDRR ((DDoouubbllee DDaattaa RRaatteedd)) SSDDRRAAMM

DDR SDRAM utilizes the existing DRAM infrastructure and technology while doubling the nominal bandwidth available to systems in an
easy to design and simple to adopt way. Initially a perfect solution for memory intensive server and workstation applic ations, DDR low cost
and low voltage will ultimately make it an ideal solution for all segments of the PC market, high performance desktop and mobile PCs,
Value PCs and even Internet Appliances and mobile devi ces.

DDIIMMMM ((DDuuaall IInn LLiinnee MMeemmoorryy MMoodduullee))

DIMM socket has total 168-pin and supports 64-bit data. It can be single or double side, the golden finger signals on each side of PCB are
different, and that is why it was called Dual In Line. Almost all DIMMs are made by SDRAM
DIMMs are made by FPM/EDO

and only operate at 5V. Do not conf use them with SDRA M DI MM.

DDMMAA ((DDiirreecctt MMeemmoorryy AAcccceessss))

Channel for communications between the memory and surrounding devices.

, which operate at 3.3V. Note that some old

81

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

EECCCC ((EErrrroorr CChheecckkiinngg aanndd CCoorrrreeccttiioonn))

The ECC mode needs 8 ECC bits for 64-bit data. Each time memory is accessed; ECC bits are updated and checked by a special
algorithm. The ECC algorithm has the ability to detec t double-bit error and automatically correct single-bit error while parity mode can only
detect single-bit error.

EEDDOO ((EExxtteennddeedd DDaattaa OOuuttppuutt)) MMeemmoorryy

The EDO DRAM technology is actually very similar to FPM (Fast Page Mode). Unlike traditional FPM that tri-states the memory output data
to start the pre-charge activity, E DO DRAM holds the memory data valid until the next memory access cycle, that is similar to pipeline effect
and reduces one clock state.

EEEEPPRROOMM ((EElleeccttrroonniicc EErraassaabbllee PPrrooggrraammmmaabbllee RROOMM))

Also known as E2PROM. Both EEPROM and Flash ROM can be re-programmed by electronic signals, but the interface technology is
different. Size of EEPROM is much smaller than flash ROM.

EEPPRROOMM ((EErraassaabbllee PPrrooggrraammmmaabbllee RROOMM))

Traditional motherboard stores BIOS code in EPROM. EPROM can only be erased by ultra-violet (UV) light. If BIOS has to be upgraded,
you need to remove EPROM from motherboard, clear by UV light, re-program, and then insert back.

82

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

EEVV66 BBuuss

EV6 Bus in the technology of Alpha processor from Digital Equipment Corporation. EV6 bus uses both rising and falling clock edge to
transfer data, similar as DDR SDRAM or ATA/66 IDE bus.
EV6 Bus Speed = CPU external bus clock x 2.
For example, 200 MHz EV6 bus is actually using 100 MHz external bus clock, but the equivalent speed is 200 MHz.

FFCCCC DDooCC ((DDeeccllaarraattiioonn ooff CCoonnffoorrmmiittyy))

The DoC is component certification standard of FCC EMI regulations. This standard all ows DIY component (such as motherboard) to apply
DoC label separately without a shielding of housing.

FFCC--PPGGAA ((FFlliipp CChhiipp--PPiinn GGrriidd AArrrraayy))

FC means Flip Chip, FC-PGA is a new package of Intel for Pentium III CPU. It can plug into SKT370 sock et, but require motherboard to
add some signals on socket 370. That is, the motherboard needs to be redesigned. I ntel is going to ship FC-PGA 370 CPU and phase out
slot1 CPU.

FFllaasshh RROOMM

Flash ROM can be re-programmed by electronic signals. It is easier for BIOS to upgrade by a flash utility, but it is also easier to be infected
by virus. Because of increase of new functions, BIOS size is increased from 64KB to 256KB (2M bit). AOpen AX5T is the first board to
implement 256KB (2Mbit) Flash ROM. Now flash ROM size is moving to 4M bit on AX6C (Intel 820) and MX3W (Intel 810) motherboard. ,
AOpen motherboard uses EEPROM for jumper-less and battery-less design.

83

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

FFSSBB ((FFrroonntt SSiiddee BBuuss)) CClloocckk

FSB Clock means CPU external bus clock.
CPU internal clock = CPU FSB Clock x CPU Clock Ratio

2

2

I

I

CC BBuuss

See SMBus.

IIEEEEEE 11339944

IEEE 1394 is a low-cost digital interface originated by Apple Computer as a deskt op LAN and developed by the IEEE 1394 working group.
The IEEE 1394 can transport data at 100, 200 or 400 Mbps. One of the solutions to connect di gi tal televis i on devi ces together at 200 Mbps.
Serial Bus Management provides overall configurat ion control of the serial bus in the form of optimizing arbitration timing, guarantee of
adequate electrical power for all devices on the bus, assignment of isochronous channel ID, and notification of errors. There are two t ype of
IEEE 1394 data transfer: asynchronous and isochronous. Asynchronous transport is the traditional computer memory-m apped, load and
store interface. Data requests are sent to a specific address and an acknowledgment is returned. In additi on to an architecture that scales
with silicon technology, IEEE 1394 features a unique isochronous data channel interface. Isochronous data channels provide guaranteed
data transport at a pre-determined rate. This is especially important for time-critical multimedia data where just-in-time delivery eliminates
the need for costly buffering.

PPaarriittyy BBiitt

The parity mode uses 1 parity bit for each byte, normally it is even parity mode, that is, each time the memory data is updated, parity bit will
be adjusted to have even count "1" for each byte. When next time, if memory is read with odd number of "1", the parity error is occurred
and this is called single bit error detection.

84

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

PPBBSSRRAAMM ((PPiippeelliinneedd BBuurrsstt SSRRAAMM))

For Socket 7 CPU, one burst data read requires four QWord (Quad-word, 4x16 = 64 bits). PBSRAM only needs one address decoding time
and automatically sends the remaining QWords to CPU according to a predefined sequence. Normally, it is 3-1-1-1, total 6 clocks, which is
faster than asynchronous SRAM. PBSRAM is often used on L2 (level 2) cache of Socket 7 CPU. Slot 1 and Socket 370 CPU do not need
PBSRAM.

PPCC--110000 DDIIMMMM

SDRAM DIMM that supports 100MHz CPU FSB bus clock.

PPCC--113333 DDIIMMMM

SDRAM DIMM that supports 133MHz CPU FSB bus clock.

PPCC--11660000 oorr PPCC--22110000 DDDDRR DDRRAAMM

Based on FSB frequency, the DDR DRAM has 200MHz and 266MHz two type of working frequency. Because of DDR DRAM data bus is
64-bit, it provides data transfer bandwidth up to 200x64/8=1600MB/s, and 266x64/8=2100MB/s. Hence, the PC-1600 DDR DRAM is
working with 100MHz and PC-2100 DDR DRAM is working with 133MHz FSB frequency.

PPCCII ((PPeerriipphheerraall CCoommppoonneenntt IInntteerrffaaccee)) BBuuss

Bus for the internal connection of peripheral devices, high-speed data channel between the computer and expansion card.

85

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

PPDDFF FFoorrmmaatt

A file format for electronic document, PDF format is independent from platform, you can read PDF file under W indows, Unix, Linux, Ma c …
with different PDF reader. You can also read PDF file by web brows er such as IE and Netscape, note that you need t o install PDF plug -in
first (Included in Acrobat Reader).

PPnnPP ((PPlluugg aanndd PPllaayy))

The PnP specification suggests a standard register interface for both BIOS and operating system (such as Windows 95). These registers
are used by BIOS and operating system to configure system resource and prevent any conflicts. PnP BIOS or operating system will
automatically allocate the IRQ/DMA/Memory. Currently, almost all the PCI cards and most ISA cards are already PnP compliant.

PPOOSSTT ((PPoowweerr--OOnn SSeellff TTeesstt))

The BIOS self-test procedure after power-on, sometimes, it is the first or the second screen shown on your monitor during system boot.

RRDDRRAAMM ((RRaammbbuuss DDRRAAMM))

Rambus is a memory technology that uses large burst mode data transfer. Theoretically, the data transfer should be high than SDRAM.
RDRAM is cascaded in channel operation. For Intel 820, only one RDRAM channel is supported, 16-bit data per channel, and this channel
may have maximum 32 RDRAM devices, no matter how many RIMM

sockets.

86

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

RRIIMMMM ((RRaammbbuuss IInnlliinnee MMeemmoorryy MMoodduullee))

184-pin memory module that supports RDRAM memory technology. A RIMM memory module may contain up to maximum of 16 RDRAM
devices.

SSDDRRAAMM ((SSyynncchhrroonnoouuss DDRRAAMM))

SDRAM is one of the DRAM technologies that allow DRAM to use the same clock as the CPU host bus (EDO and FPM are asynchronous
and do not have clock signal). It is similar as PBSRAM

3.3V. AOpen is the first company to support dual-SDRAM DIMMs onboard (AP5V), from Q1 1996

2

2

SShhaaddooww E

A memory space in Flash-ROM to simulate E2PROM operation, AOpen motherboard uses Shadow E2PROM for jumper-less and
battery-less design

E

PPRROOMM

SSIIMMMM ((SSiinnggllee IInn LLiinnee MMeemmoorryy MMoodduullee))

SIMM socket is only 72-pin, and is only single side. The golden finger signals on each side of PCB are identic al. That is why it was called
Single In Line. SIMM is made by FPM or EDO

DRAM and supports 32-bit data. SIMM had been phased out on current motherboard design.

to use burst mode transf er. SDRAM comes in 64-bit 168-pin DIMM and operates at

87

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

SSMMBBuuss ((SSyysstteemm MMaannaaggeemmeenntt BBuuss))

SMBus is also called I2C bus. It is a two-wire bus developed for com ponent communication (especially for semiconductor IC). For example,
set clock of clock generator for jumper-less motherboard. The data transfer rate of SMBus is only 100Kbit/s, it allows one host to
communicate with CPU and many masters and slaves to send/receive message.

SSPPDD ((SSeerriiaall PPrreesseennccee DDeetteecctt))

SPD is a small ROM or EEPROM device resided on the DIMM or RIMM. SPD stores memory module inf ormation such as DRAM timing
and chip parameters. SPD can be used by BIOS

UUllttrraa DDMMAA

Ultra DMA (or, more accurately, Ultra DMA/33) is a protocol for transferring data between a hard disk drive through the computer’s data
path (or bus) to the computer’s random acc ess m em ory (RAM). The Ultra DMA/33 protocol transfers data in burst mode at a rate of

33.3MB/s, twice as fast as the previous Direct Access Memory (DMA)
by the Quantum corporation, makes of hard disk drives, and Intel, makes of chipset that support computer bus technology. Ultra DMA
support in your computer means that it will boot (start) and open new applications more quickly. It will help users of graphic-intensive and
applications that require large amounts of access to data on the hard disk drive. Ult ra DMA uses Cyclical Redundancy Checking (CRC),
offering a new level of data protection. Ultra DMA uses the same 40-pin IDE interface cable as PIO and DMA.

16.6MB/s x2 = 33MB/s

16.6MB/s x4 = 66MB/s

16.6MB/s x6 = 100MB/s

to decide best timing for this DIMM or RIMM.

interface. Ultra DMA was developed as a proposed industry standard

88

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

UUSSBB ((UUnniivveerrssaall SSeerriiaall BBuuss))

USB is a 4-pin serial peripheral bus that is capable of cascading low/medium speed peripherals (less than 10Mbit/s) such as keyboard,
mouse, joystick, scanner, printer and modem. With USB, the traditional complex cables from back panel of your PC can be eliminated.

VVCCMM ((VViirrttuuaall CChhaannnneell MMeemmoorryy))

NEC’s Virtual Channel Memory (VCM) is a new DRAM core architecture that dramatically improves the memory system ’s ability to service
multimedia requirements. VCM increases memory bus efficiency and performance of any DRA M technology by providing a s et of fast static
registers between the memory core and I/O pins. Using VCM technology results in reduced data access latency and reduced power
consumption.

ZZIIPP ffiillee

A compressed file format to reduce file size. To unzip file, run shareware PKUNZIP (http://www.pkware.com/) for DOS and other operating
system or WINZIP (http://www.winzip.com/

) for windows environment.

89

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

TTrroouubblleesshhoooottiinngg

If you encounter any trouble to boot you system, follow the procedures accordingly to resolve the problem.

Start

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

cards and cables, including VGA, IDE, FDD, COM1, COM2 and printer.

Make sure if all jumper settings are correct .

Clear CMOS

Next

90

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

Continue

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

Turn on the power

and check if the power

supply and CPU fan work

properly.

The problem is probably caused by

Next

power supply or motherboard failure
Please contact your reseller or local
distributor for repairing.

NoYes

.

91

r

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

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

and then press <Del> to reboot the system.

Continue

Check if there is display?

Yes

Check if the system

reboots?

Yes

Next

No

No

Perhaps your VGA card

or monitor is defective.

It is very possible that you

keyboard is defective.

92

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

During system rebooting, press <Del> to enter BIOS setup.

Choose “Load Setup Default”.

Turn off the system and re-connect IDE cable.

Re-install the operating system such as Windows 98.

Continue

Check if the system can

reboot successfully?

Yes

End

No

The problem should be

caused by the IDE cable
or HDD itself.

93

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

TTeecchhnniiccaall SSuuppppoorrtt

Dear Customer,
Thanks for choosing AOpen products. To provide the best and fastest service to our customer is our first priority. However, we receive

numerous emails and phone-calls worldwide everyday, it is very hard for us to serve everyone on time. We recommend you follow the
procedures below and seek help before contact us. With your help, we can then continue to provide the best quality service to more
customers.

Thanks very much for your understanding!
AOpen T echnical Supporting Team

1111

1111

2222

2222

3333

3333

4444

4444

Online Manual: Please check the manual carefully and make sure the jumper settings and installation procedure are correct.

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

Test Report: We recommend choosing board/card/device from the compatibility test reports for assembling your PC.

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

FAQ: The latest FAQ (Frequently Asked Questions ) may contain a solution to your problem .

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

Download Software: Check out this table to get the latest updated BIOS/utility and drivers.

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

94

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

5555

5555

6666

6666

7777

7777

PPaarrtt NNuummbbeerr aanndd SSeerriiaall NNuummbbeerr

The Part Number and Serial number are printed on bar code label. You can find this bar code label on the outside packing, on ISA/CPU slot
or on component side of PCB. For example:

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

News Group: Your problem probably had been answered by our support engineer or professional users on the news group.

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

Contact Distributors/Resellers: We sell our products through resellers and integrators. They should know your system
configuration very well and should be able to solve your problem efficiently and provide important reference for you if next
time you want to buy something else from them.

Contact Us: Please prepare detail system configuration and error symptom before contacting us. The part number, serial
number and BIOS version are also very helpful.

Pr N

.

ri

l N

.

95

A

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

MMooddeell nnaammee aanndd BBIIOOSS vveerrssiioonn

Model name and BIOS version can be found on upper left corner of first boot screen (POST screen). For example:

AX45 is model name of motherboard; R1.20 is BIOS version.

--

AX45 R1.20 Feb.01.2001 AOpen Inc.

ward Plug and Play BIOS Extension v1.0A

Copyright © 1998, Award Software, Inc.

96

p

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

PPrroodduucctt RReeggiissttrraattiioonn

Thank you for choosing AOpen product. AOpen encourages you to spend few minutes in completing the following product registration. To
register your product will ensure the high quality of services from AOpen. After the registration, you will:

• Have opportunities to play online slot machine and win a prize from AOpen by accumulating your bonuses for later prize

exchange.

• Be upgraded to gold membership of Club AOpen program.

• Receive email notification about product safety alerts. Its purpose is to alert consumers quickly and conveniently when products

contain technical issues.

• Receive email notification about latest product's announcements.

• Be able to personalize your AOpen web pages.

• Receive e-mail notification about latest BIOS/Driver/Software release inform ation.

• Have opportunities to participate special product promotional programs.

• Enjoy higher service priority to receive technical assistance provided by AOpen specialists worldwide.

• Be able to join the discussions of web-based news groups.

AOpen makes sure that the information you provide is encrypted, so that it cannot be read or intercepted by ot her people or companies.
Further, AOpen will not disclose any of information you submitted under any conditions. Please consult our online privacy policy
information on our company policy.

Note: If registering products purchased from different
dealers/retails and/or purchased on different dates,

lease submit a separate form for each product.

for further

97

A

A

A

A

A

A

AAXX4455 // AAXX4455--VV OOnnlliinnee MMaannuuaall

98

merica

Open America Inc.
Tel: [phone]
Fax: [phone]

Japan

Open Japan Inc.
Tel: [phone]
Fax: [phone]

HHooww ttoo CCoonnttaacctt UUss

Please do not hesitate contact us if you have any problem about our products. Any opinion will be appreciated.

Pacific Rim

Open Inc.
Tel: [phone]
Fax: [phone]

China
艾尔鹏国际上海(股)有限公司
Tel: [phone]
Fax: [phone]

Web Site: http://www.aopen.com

E-mail: Send us email by going through the contact form below.
English http://www.aopen.com/tech/contact/techusa.htm
Japanese http://www.aopen.co.jp/tech/contact/techjp.htm
Chinese http://www.aopen.com.tw/tech/contact/techtw.htm
German http://www.aopencom.de/tech/contact/techde.htm
French http:/france.aopen.com/tech/contact/techfr.htm
Simplified Chinese http://www.aopen.com.cn/tech/contact/techcn.htm

Europe

Open Computer b.v.
Tel: [phone]
Fax: [phone]

Germany

Open Computer GmbH.
Tel: [phone]
Fax: [phone]