AOpen MX3SPU User Manual

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MX3S-U / MX3SP-U

DOC. NO.: MX3SPU-OL-E0109A

Overview

Installation

Hardware

Drivers &

Utilities

BIOS Setup

AWARD

Glossary

Troubleshooting &

Technical Support

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WWhhaatt’’ss iinn tthhiiss mmaannuuaall

MX3S-U / MX3SP-U ............................................................................................................................... 1

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

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

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

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

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

Quick Installation Procedure ..........................................................................................................................................15

Motherboard Map ..........................................................................................................................................................16

Block Diagram ...............................................................................................................................................................17

Hardware Installation ..................................................................................................................... 18

About “Optional” and “Upgrade Optional”…...................................................................................................................19

JP14 Clear CMOS Data.................................................................................................................................................20

CPU Installation.............................................................................................................................................................21

JPX2 EEPROM Select Jumper ......................................................................................................................................24

CPU Jumper-less Design...............................................................................................................................................25

CPU Fan Connector (with H/W Monitoring) ...................................................................................................................29

DIMM Sockets ...............................................................................................................................................................30

Support 10/100 Mbps LAN onboard...............................................................................................................................32

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Front Panel Connector ..................................................................................................................................................33

ATX Power Connector ...................................................................................................................................................34

AC Power Auto Recovery ..............................................................................................................................................34

IDE and Floppy Connector ............................................................................................................................................35

IrDA Connector..............................................................................................................................................................37

AGP (Accelerated Graphic Port) Expansion Slot ...........................................................................................................38

CNR (Communication and Network Riser) Expansion Slot ............................................................................................39

PC99 Color Coded Back Panel......................................................................................................................................40

Support 2nd USB Port.....................................................................................................................................................41

Chassis Intrusion Sensor ...............................................................................................................................................42

CD Audio Connector ......................................................................................................................................................43

Modem Audio Connector ...............................................................................................................................................44

Front Audio Connector...................................................................................................................................................45

Battery-less and Long Life Design .................................................................................................................................46

Over-current Protection .................................................................................................................................................47

Hardware Monitoring .....................................................................................................................................................48

Resettable Fuse ............................................................................................................................................................49

Year 2000 (Y2K)............................................................................................................................................................50

1500 / 2200µF Low ESR Capacitor................................................................................................................................51

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Layout (Frequency Isolation Wall) .................................................................................................................................53

Pure Aluminum Heatsink ...............................................................................................................................................54

Driver and Utility............................................................................................................................. 55

Auto-run Menu from Bonus CD Disc ..............................................................................................................................56

Installing Intel® Chipset Software Installation Utility ......................................................................................................57

Installing Onboard AGP Driver.......................................................................................................................................58

Installing LAN Driver......................................................................................................................................................59

Installing Ultra ATA/100 IDE Driver ................................................................................................................................60

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

ACPI Suspend to Hard Drive .........................................................................................................................................62

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

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

Glossar y .......................................................................................................................................... 78

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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

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

EEPROM (Electronic Erasable Programmable ROM) ....................................................................................................82

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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

I2C 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

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

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

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

Shadow E2PROM ..........................................................................................................................................................87

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

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YYoouu MMuusstt NNoottiiccee

Adobe, the Adobe logo, Acrobat is trademarks of Adobe Systems Incorporated.

AMD, the AMD logo, Athlon and Duron are trademarks of Advanced Micro Devices, Inc.

Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III are trademarks of Intel Corporation.

Microsoft, Windows, and Windows logo are either registered trademarks or trademarks of Microsoft Corporation in the 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 revise this publication and to make reasonable changes. AOpen assumes no responsibility for any errors or inaccuracies that may appear in this manual, including the products and software described in it.

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

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BBeeffoorree YYoouu SSttaarrtt

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

Please keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved in PDF format,

we recommend using Adobe Acrobat Reader 4.0 for online viewing, it is included in Bonus CD disc

from Adobe web site

Although this Online Manual is optimized for screen viewing, it is still capable for hardcopy printing, you can print it by A4 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.

or you can get free download

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OOvveerrvviieeww

Thank you for choosing AOpen MX3S-U/MX3SP-U motherboard. The MX3S-U/MX3SP-U is Intel® Socket 370 motherboard (M/B)

based on the MTX form factor featuring the Intel

M/B, the MX3S-U/MX3SP-U motherboard can support Intel

Coppermine & Tualatin are supported) and 66/100/133MHz Front Side Bus (FSB)

slot and supports AGP 1X/2X/4X mode and pipelined spilt-transaction long burst transfer up to 1056MB/sec. According to different

customer’s requirements, 32, 64, 128, 256 and 512MB SDRAM DIMM modules can be applied to the motherboard and the

maximum memory size can be up to 512MB. The onboard IDE controller supports Ultra DMA

up to 100MB/s. Further flexibility can be achieved by taking advantage of

the Communication and Network Riser (CNR)

audio, modem, and/or LAN configuration on a single baseboard

design. In addition, on the strength of Intel 82562ET/EM PHY on

board, which is an highly-integrated Platform LAN Connect

device, it provides 10/100M bps Ethernet for office and home

use. More than that, the MX3S-U/MX3SP-U has an AD 1885

AC97

CODEC chipset onboard for providing high performance

and magic surround stereo sound to let people enjoy

working with it. Now, enjoy all features from AOpen

MX3S-U/MX3SP-U motherboard.

815E B-Step / 815EP B-Step chipset. As high performance chipset built in the

card option that allows

Socket 370 series Pentium® III & Celeron™ processor (Both

clock. In the AGP performance, it has one AGP

33/66/100 mode and the transfer rate

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FFeeaattuurree HHiigghhlliigghhtt

CPU

Supports Intel® Socket 370 Pentium® III & Celeron™ (Both Coppermine & Tualatin are supported) 533MHz~1.2GHz+ with

66/100/133MHz

an automatic shutdown of system had been especially designed on this motherboard. System would be automatically power off

when this motherboard with implementation of THERMTRIP circuit detected a CPU temperature above 135 degree for 4 seconds.

Front Side Bus (FSB)

designed for Socket 370 technology. To avoid possible CPU damage caused by overheating,

Chipset

With the Intel® 815E B-Step/815EP B-Step chipset, Intel delivers a discrete graphics solution with all the performance, innovative

features and proven reliability of the Intel chipset offers an ideal, leading-edge AGP graphics solution for Intel

integration in the Intel 815E B-Step/815EP B-Step chipset's I/O Controller Hub (ICH2) features two USB controllers supporting four

USB ports. With support for 5.1 channels of AC’97 audio and the ability to make the most of soft audio/modem technology, the

815E B-Step/815EP B-Step chipset delivers an ideal solution for innovative new form factors.

815 chipset family. With its highly scalable design, the new 815E B-Step/815EP B-Step

Pentium® III/Celeron™ processor platforms. And the smart

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Expansion Slots

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

Communication & Nectworking Riser (CNR)

card. The

video cards support data transfer rate up to 1056MB/s. MX3S-U/MX3SP-U motherboard includes one AGP expansion slot for a bus

mastering AGP graphic card. For AD and SBA signaling, MX3S-U/MX3SP-U motherboard can support 2X/4X mode. Of three PCI

slots provided, all of them are master PCI slots with arbitration and decoding for all integrated functions and LPC bus.

Accelerated Graphics Port (AGP)

slot provided from MX3S-U/MX3SP-U can support CNR interface for a Modem/Audio

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

Memory

Provides three 168-pin SDRAM DIMM sockets that support up to 512MB of PC-100/133 compliant SDRAM (Synchronous Dynamic

Random Access Memory). You may install 32, 64, 128, 256 and 512MB SDRAM DIMM modules into each socket.

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 4, and supports Enhanced IDE devices.

On-board AC’97 Sound

MX3S-U/MX3SP-U uses the AD 1885 AC97 sound chip. This on-board audio includes a complete audio recording and playback

system.

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LAN Port

On the strength of Intel 82562ET/EM PHY on board, which is an highly-integrated Platform LAN Connect device, it provides 10/100

Mbps Ethernet for office and home use.

Four USB Connectors

Provides two ports, four USB connectors for USB interface devices, such as mouse, keyboard, modem, scanner, etc.

Power Management/Plug and Play

Supports the power management function that confirms to the power-saving standards of the U.S. Environmental Protection

Agency (EPA) Energy Star program. It also offers

the system much user-friendlier.

Plug-and-Play

, which helps save users from configuration problems, thus making

Hardware Monitoring Management

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

module.

Enhanced ACPI

Fully implement the ACPI standard for Windows® 98/ME/2000 series compatibility, and supports Soft-Off, STR (Suspend to RAM,

S3), STD (Suspend to Disk, S4) features.

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Super Multi-I/O

Provides two high-speed UART compatible serial ports and one parallel port with EPP and ECP capabilities. UART can also be

directed from COM1 to the Infrared Module for the wireless connections.

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QQuuiicckk IInnssttaallllaattiioonn PPrroocceedduurree

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

1. Installing CPU and Fan

2. Installing System Memory (DIMM

3. Connecting Front Panel Cable

4. Connecting IDE and Floppy Cable

5. Connecting ATX Power Cable

6. Connecting Back Panel Cable

7. Power-on and Load BIOS Setup Default

8. Setting CPU Frequency

Reboot

Installing Operating System (such as Windows 98)

10.

Installing Driver and Utility

11.

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COM2 Connector

Front Audio Connector

Onboard AC’97 CODEC

Red: MODEM-CN Connector

32-bit PCI Expansion Slot x3

Chassis Intrusion Detector

Black: CD-IN Connector

GP 4x Expansion Slot

CNR Expansion Slot

IrDA Connector

2Mbit Flash ROM

Virus Protection Wake on Time

USB connecto

JP14 CMOS Clear Jumper

Front Panel Connector

JPX2

Motherboard Map

Intel® 815E B-Step/ 815EP B-Step Chipset with enlarged Aluminum Heatsink

PC99 Colored Back Panel

JPX1 Onboard LAN Enable/Disable

Resettable Fuse

1500/ 2200μF Low ESR Capacitors

CPU Fan Connector with H/W Monitoring Function 370-pin CPU Socket with Voltage & Frequency

uto-detection that supports

Intel

Pentium™ III & Celeron 533MHz~1.2GHz+ CPU (Both Coppermine & Tualatin are supported)

TX Power Connector

PC-100/133 DIMM Slot x3 supports maximum up to 512MB

FDD Connector

TA/100 IDE Connector x2

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BBlloocckk DDiiaaggrraamm

Socket 370

Intel

Pentium III/Celeron

CPU

DIMM Socket x3

66/100/133MHz

System Bus

15-pin D-Sub

Connecto r

AGP 4X Slot

Floppy Disk Drive x2

PC-100/133 SDRAM

Up to 512MB

Intel i815E

B-Step / 815EP

B-Step

FW82815

GMCH

USB

Connector x4

PCI Bus

1stUSB Port

2ndUSB Port

32-bit PCI Slot x3

ATA

33/66100

Primary

Channel

Secondary

Channel

Intel

FW82 801BA

ICH2

Low Pin

Count Super

I/O

AC97

CODEC

AC Link

Firmware Hub

2Mbit Flash EEPROM

Parallel Port

Serial Port x2

IDE Dri ve x4

CNR Slot

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HHaarrddwwaarree IInnssttaallllaattiioonn

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

Note: Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and

other components. Always observe the following precautions before you install a system component.

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

2. Wear a wrist ground strap and attach it to a metal part of the system unit before handling a

component. If a wrist strap is not available, maintain contact with the system unit throughout any

procedure requiring ESD protection.

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

When you read this online manual and start to assemble your computer system, you may find some of functions are called

“Optional”, and some are called “Upgrade Optional”. Though all of our AOpen motherboards include many amazing and powerful

features, but in some situations, these powerful features are not used to every user. Hence, some of these key features are

changed optional for you choose. Optional functions that can be upgraded by users, we call them “Upgrade Optional”. As for those

optional functions that can’t be upgraded by yourself, we call them “Optional”. If needed, you can contact our local distributors or

resellers for purchasing “Upgrade Optional” components, and either you can visit AOpen official web site: www.aopen.com.tw

more detail information.

for

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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 pins 1 & pin2.

5. Connect ATX power cable back to connector PWR2.

Pin 1

Normal Operation

(default)

Clear CMOS

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

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CCPPUU IInnssttaallllaattiioonn

This motherboard supports Intel® Pentium III® and Celeron™ Socket 370 series CPU (Both Coppermine & Tualatin are supported).

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.

CPU pin 1 and

cut edge

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

CPU socket

Lever

CPU cut edge

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

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

CPU cut edge

Note: This socket supports

FC-PGA/FC-PGA2 package CPU,

which is the latest CPU package

developed by Intel, we strongly

recommend you not to insert former

PPGA-package CPU onto it.

Note: If you do not match the CPU

socket Pin 1 and CPU cut edge well, it

damage the CPU.

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JJPPXX11 OOnnbbooaarrdd LLAANN EEnnaabbllee//DDiissaabbllee JJuummppeer

This motherboard provides onboard LAN enable/disable function. You can use the JPX1 to enable or disable this function.

Pin 1

JPX1

LAN Select Jumper

Enable

(Default)

Disable

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JJPPXX22 EEEEPPRROOMM SSeelleecctt JJuummppeerr

This jumper is used to activate either the EEPROM chipset on CNR card or the onboard EEPROM chipset. With onboard LAN

equipped on this motherboard, you may short pins 1-2 to enable the onboard EEPROM for running onboard LAN. However, if you

were to use CNR card to run LAN, you may short pins 2-3 to disable the onboard EEPROM chipset.

Enable

(Default)

Pin 1

Disable

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CCPPUU JJuummppeerr--lleessss DDeessiiggnn

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

through the BIOS setup

are eliminated. There will be no worry of wrong CPU voltage detection.

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

Intel® Socket 370

Pentium III &

Celeron CPU

CPU VID signal

Power Regulator

(Automatically generates CPU voltage)

CPU Freq. Ratio

CPU voltage

Clock

Generator

BIOS

Controlled

Circuit

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FFuullll--rraannggee AAuuttoo--DDeetteecctt CCPPUU CCoorree VVoollttaaggee

This motherboard supports CPU VID function. The CPU core voltage will be automatically detected and the range is from 1.05V to

1.825V. It is not necessary to set CPU core voltage.

SSeettttiinngg CCPPUU FFrreeqquueennccy

CPU frequency can be set through BIOS setup.

BIOS Setup > Frequency/Voltage Control > CPU Clock Setting

CPU Ratio

CPU FSB (By BIOS table)

3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x, 7.5x, 8x, 8.5x, 9x, 9.5x, 10x, 10.5x, 11x, 11.5x, and 12x

66, 67, 68, 70, 75, 80, 83, 100, 103, 110, 115, 133, 137, 140, 145, 150, 160, and 166 MHz

Warning: Intel® 815E B-Step / 815EP B-Step

chipset supports maximum 133MHz FSB and

66MHz AGP clock, higher clock setting may

cause serious system damage.

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SSuuppppoorrtteedd CCPPUU FFrreeqquueennccyy

Core Frequency = CPU FSB Clock * CPU Ratio

PCI Clock = CPU FSB Clock / Clock Ratio

AGP Clock = PCI Clock x 2

CPU

Celeron 533 533MHz 66MHz 8x

Celeron 566 566MHz 66MHz 8.5x

Celeron 600 600MHz 66MHz 9x

Celeron 667 667MHz 66MHz 10x

Celeron 700 700MHz 66MHz 10.5x

Celeron 800 800MHz 100MHz 8x

Celeron 900 900MHz 100MHz 9x

Celeron 1.2G 1.2GHz 100MHz 12x

Pentium III 500E 500MHz 100MHz 5x

Pentium III 600E 600MHz 100MHz 6x

Pentium III 650E 650MHz 100MHz 6.5x

Pentium III 700E 700MHz 100MHz 7x

Pentium III 750E 750MHz 100MHz 7.5

Pentium III 800E 800MHz 100MHz 8x

CPU Core

Frequency

Note: This motherboard support CPU

auto-detection function. Hence, you

don’t need to setup the CPU frequency

manuall

FSB Clock Ratio

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Pentium III 850E 850MHz 100MHz 8.5x

Pentium III 533EB 533MHz 133MHz 4x

Pentium III 600EB 600MHz 133MHz 4.5x

Pentium III 667EB 667MHz 133MHz 5x

Pentium III 733EB 733MHz 133MHz 5.5

Pentium III 800EB 800MHz 133MHz 6x

Pentium III 866EB 866MHz 133MHz 6.5

Pentium III 933EB 933MHz 133MHz 7x

Pentium III 1G 1GHz 133MHz 7.5x

Pentium III 1.13G 1.13GHz 133MHz 8.5x

Pentium III 1.2G 1.2GHz 133MHz 9x

Warning: Intel® 815E B-Step / 815EP B-Step chipset supports

maximum 133MHz FSB and 66MHz AGP clock, higher clock

setting may cause serious system damage.

Warning: To avoid possible CPU damage caused by

overheating, an automatic shutdown of system had been

especially designed on this motherboard. System would be

automatically power off when this motherboard with

implementation of THERMTRIP circuit detected a CPU

temperature above 135 degree for 4 seconds.

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

Plug in the CPU fan cable to the 3-pin CPU FAN connector.

CPU Fan Connector

GND +12V Sensor

Note: Some CPU fans do

not have sensor pin, so that

cannot support hardware

monitoring function. Please

note the FAN3 connector

does not support H/W

monitoring function.

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DDIIMMMM SSoocckkeettss

This motherboard has three 168-pin DIMM sockets that allow you to install PC100 or PC133 memory up to 512MB.

DIMM1 DIMM2 DIMM3

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HHooww ttoo IInnssttaallll MMeemmoorryy MMoodduulleess

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

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

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

place.

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

Ta b

88 pins 60 pins 20 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.

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SSuuppppoorrtt 1100//110000 MMbbppss LLAANN oonnbbooaarrdd

Intel 815E B-Step/815EP B-Step (Solano Series) includes a fast Ethernet controller on chip. On the strength of Intel 82562ET/EM

PHY 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 indicate the link mode, it lights when linking

to network; and the yellow LED indicates the transfer mode, it lights when transferring data in 100Mbps mode.

Yellow (Speed)

Green (ACT)

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FFrroonntt PPaanneell CCoonnnneeccttoorr

Pin 1

Power Switch

Attach the power LED, Keylock, speaker, power and reset switch connectors t

the corresponding pins. If you enable “Suspend Mode” item in BIOS Setup, th

ACPI & Power LED will keep flashing while the system is in suspend mode.

Locate the power switch cable from your ATX housing. It is 2-pin female

connector from the housing front panel. Plug this connector to the soft-power

switch connector marked SPWR.

Suspend Type ACPI LED

Power on Suspend (S1) or Suspend to RAM (S3) Flashing for every second

Suspend to Disk (S4) The LED will be turned off

NC NC GND RESET GND

SPEAKER NC GND +5V +5V

CPI &

Power LED

IDE LED SPEAKER

RESET

ACPILED

GND

ACPILED-

GND

SPWR

NC NC

+5V LED LED

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AATTXX PPoowweerr CCoonnnneeccttoorr

The ATX power supply uses 20-pin connector shown below. Make sure you plug in the right direction.

AACC PPoowweerr AAuuttoo RReeccoovveerryy

A traditional ATX system should remain at power off stage when AC power resumes from power failure. This design is inconvenient

for a network server or workstation, without an UPS, that needs to keep power-on. This motherboard implements an AC Power Auto

Recovery function to solve this problem.

+12V

5VSB

PW-OK

COM

+5V

COM

+5V

COM

+3.3V

+5V

-5V

COM

PS-ON

COM

-12V

+3.3V

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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.

Pin 1

Master (3 rd)

Pin 1

Master (1st)

Slave (4th)

Slave (2nd))

FDD Connector

IDE 2 (Secondary)

IDE 1 (Primary)

ATA 33/66/100

IDE Connector

66/100 is requ

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IDE1 is also known as the primary channel and IDE2 as the secondary channel. Each channel supports two IDE devices that make

a total of four devices. In order to work together, the two devices on each channel must be set differently to Master and Slave

mode. Either one can be the hard disk or the CDROM. The setting as master or slave mode depends on the jumper on your IDE

device, so please refer to your hard disk and CDROM manual accordingly.

This motherboard supports ATA3 3

modes. The 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

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

ired.

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IIrrDDAA CCoonnnneeccttoorr

The IrDA connector can be configured to support wireless infrared module, with this module and application software 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, UART2 Mode, make sure to

have the correct orientation when you plug in the IrDA connector.

Pin 1

IrDA Connector

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AAGGPP ((AAcccceelleerraatteedd GGrraapphhiicc PPoorrtt)) EExxppaannssiioonn SSlloott

The MX3S-U/MX3SP-U provides an AGP 4x slot. The AGP 4x is a bus interface targeted for high-performance 3D graphic. AGP

supports only memory read/write operation and single-master single-slave one-to-one only. AGP uses both rising and falling edge

of the 66MHz clock, for 2X AGP, the data transfer rate is 66MHz x 4bytes x 2 = 528MB/s. AGP is now moving to AGP 4x mode,

66MHz x 4bytes x 4 = 1056MB/s.

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CCNNRR ((CCoommmmuunniiccaattiioonn aanndd NNeettwwoorrkk RRiisseerr)) EExxppaannssiioonn SSlloott

CNR is a riser card specification to replace the AMR (Audio/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

which is put on 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,

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PPCC9999 CCoolloorr CCooddeedd BBaacckk PPaanneell

The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, COM1 and 15-pin D-Sub connector, Printer, four 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

SPP/EPP/ECP

Parallel Port

MIDI/Game Port

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 pointing devices, modem or others serial devices. 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.

PS/2

board

USB Port

COM 1 Port

VGA Connector (MX3S-U only)

MIC-In

Line-In

Speaker Out

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SSuuppppoorrtt 2

This motherboard provides four USB connectors to connect 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 the other USB connector to the back panel or

front panel of chassis.

UUSSBB PPoorrtt

SBD2-

SBD2+

USB2 Connector

+5V

GND

KEY

1 2

+5V

SBD3SBD3+

GND NC

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CChhaassssiiss IInnttrruussiioonn SSeennssoorr

The “CASE OPEN” header provides chassis intrusion-monitoring function. This function logged the event in the system BIOS when

chassis is opened. You can use the 2-pin chassis intrusion sensor to connect with this header, and enable the chassis monitoring

function of system BIOS.

Chassis Intrusion

Sensor Connector

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CCDD AAuuddiioo CCoonnnneeccttoorr

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

GND

CD-IN

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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

Mono In

MODEM-CN

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FFrroonntt AAuuddiioo CCoonnnneeccttoorr

If the housing has been designed with an audio port on the front panel, you’ll be able to connect onboard audio to front panel

through this connector. By the way, please remove 5-6 and 9-10 jumper caps from the Front Audio Connector 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.

Front Audio Connector

10 9

HPIN_L

KEY

HPIN_R

VCC

GND

2 1

HPOUT_L NC

HPOUT_R MIC_VREF

MIC

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

before you connect the cable. Do not remove this yellow jumper cap if

housin

without an audio port on the front panel.

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Auto Switch

RTC

CMOS

uto switching to ATX standby

power as long as AC power line is

plugged. This smart design

increases battery life if you still plug

battery on motherboard.

Backup by EEPROM

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 recover

as usual.

Flash

ROM

ATX Stand-by Power Battery

(Real Time Clock)

00:00:00

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OOvveerr--ccuurrrreenntt PPrrootteeccttiioonn

The Over Current Protection was very popular implemented on ATX 3.3V/5V/12V switching power supply. However, 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. AOpen 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 Voltage

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Fan

CPU

Fan Speed

AOpen H/W

Monitoring

Utility

CPU Temperature

CPU Voltage

System Voltage

Detection

Circuit

HHaarrddwwaarree MMoonniittoorriinngg

This motherboard implements a hardware monitoring system. As you turn on your system, this smart design will continue to monitor

your system’s working voltage, fan status and CPU temperature. If any of these systems’ status went wrong, there would be an

alarm through the chassis external speaker or buzzer of motherboard (if existed) to warn the user.

Power

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RReesseettttaabbllee FFuussee

Traditional motherboard has fuse for Keyboard and USB port to prevent over-current or shortage. These fuses are soldered

onboard so that if it were broken (did the job to protect motherboard), user could not replace it and the motherboard would still be

malfunctioning.

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

job.

Resettable

Fuse

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

YYeeaarr 22000000 ((YY22KK))

Y2K is basically a problem of the identification of year code. To save storage space, traditional software uses only two digits for

year identification. For example, 98 for 1998 and 99 for 1999, but 00 will be confused with 1900 and 2000.

There is an RTC circuit (Real Time Clock) in conjunction with 128 bytes of CMOS RAM data in the chipset of the motherboard. The

RTC has only two digits and the CMOS has another 2 digits. Unfortunately, this circuit’s behavior is like this 1997 1998  1999

 1900, that means it may have the Y2K problem. Below is a diagram of how applications work with the OS, BIOS and RTC. In

order to keep the best compatibility in the PC industry there is a rule that applications must call the OS to get services and OS must

call the BIOS, and then only BIOS is allowed to access the hardware (RTC) directly.

Applications

Operating System (such as Windows 98)

BIOS (Tick Routine)

RTC and CMOS data

There is a Tick Routine (that goes live around every 50m sec) in the

BIOS to keep record of date/time information. In general the BIOS,

this Tick Routine does not update the CMOS every time because the

CMOS is a very slow device that degrades system performance. The

Tick Routine of the AOpen BIOS has 4 digits for year coding, as long

as applications and the operating system follow the rule to get

date/time information. There will be no Y2K problem (such as NSTL’s

test program). But unfortunately again, we found some test programs

(such as Checkit 98) accesses RTC/CMOS directly. This

motherboard has hardware Y2K checking and protection that

ensures risk free operation.

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11550000 // 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, MX3S-U/MX3S Pro-U implements 1500/2200μf condensers, which is much larger than normal condenser (1000μf)

and it provides better stability for CPU power.

FF LLooww EESSRR CCaappaacciittoorr

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The power circuit of the CPU core voltage must be checked to ensure system stability for high speed CPUs (such as the new

Pentium III, or when overclocking). A typical CPU core voltage is 2.0V, so a good design should control voltage between 1.860V

and 2.140V. That is, the transient must be below 280mV. Below is a timing diagram captured by a Digital Storage Scope, it shows

the voltage transient is only 143mv even when maximum 18A current is applied.

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

MMXX33SS--UU // MMXX33SSPP--UU 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 important factor to make sure

chipset 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 carefully. For example, the clock

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

Sec)

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PPuurree AAlluummiinnuumm HHeeaattssiinnkk

Cool down CPU and Chipset is important for system reliability. Aluminum heat sink provides better heat dissipation especially when

you are trying to over clocking the CPU.

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DDrriivveerr aanndd UUttiilliittyy

There are motherboard drivers and utilities included in AOpen Bonus CD disc. 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 (such 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.

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AAuuttoo--rruunn MMeennuu ffrroomm BBoonnuuss CCDD DDiisscc

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

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IInnssttaalllliinngg IInntteell®® CChhiippsseett SSooffttwwaarree IInnssttaallllaattiioonn UUttiilliittyy

Windows 95/98 cannot recognize this chipset, because it was released before the Intel 815E B-Step/815EP B-Step chipset. You

can install the Intel INF Update Utility from the Bonus Pack CD disc auto-run menu to eliminate the “?” marks.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

IInnssttaalllliinngg OOnnbbooaarrdd AAGGPP DDrriivveerr

Intel 815E B-Step/815EP B-Step chipset integrates a 2D/3D graphics accelerator and provides AGP 2X/4X incredible performance

to access main memory at over 1GB/s. You can find the audio driver from the Bonus Pack CD disc auto-run menu.

Note: If you are using Windows95,

you should install DCOM95 patch

from the Bonus Pack auto-run menu

first, before you install AGP driver.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

IInnssttaalllliinngg LLAANN DDrriivveerr

The South Bridge in Intel i815E B-Step/i815EP B-Step (Solano Series) integrates a total communication solution including

10/100Mb Fast Ethernet for Office requirement. You can install LAN Driver under Windows95/98, WindowsNT & Windows2000 by

following steps.

Manually Adding an Adapter in Windows 95 / 98

=====================================

LOCATION OF DRIVER: \Driver\Lan\E100BNT5.SYS (NDIS 5.0)

LOCATION OF SETUP FILE: \Driver\Lan\NET82557.INF

1. From the Control Panel, double-click the “Add Hardware” icon.

2. Double-click Other Devices or Network Adapters in the list area.

3. Double-click a PCI Ethernet Controller.

4. Click the Driver tab, then click Update Driver.

5. Click Next at the Update Device Driver Wizard.

6. Select "Display a list of all the drivers..." and click Next.

7. Insert the AOpen Bonus CD and click Have Disk.

8. Enter the appropriate drive for your disk media

(for example: D:\) ,and click OK.

9. Click OK at the Select Device dialog box.

10. The Update Wizard displays the message that it has found

the driver. Click Next.

11. Click Finish and restart your computer when prompted.

Note: If the Ne

Hardware Found dialog

box does not appear a

startup and you canno

connect to the network,

check the Device

Manager list to see i

the new adapter is

resent. If it is not,

lease install the LA

driver manually.

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IInnssttaalllliinngg UUllttrraa AATTAA//110000 IIDDEE DDrriivveerr

This Intel® Ultra ATA Storage Driver is designed to take advantage of devices supporting ATA DMA/Ultra DMA technologies, and

improve system performance of Windows 98, Windows 98 Second Edition(SE), Windows Millennium Edition(Me), Windows NT* 4.0

(any Service Pack), and Windows 2000 operating systems. However, we could not guarantee it would not trigger any system

instabilities as Intel also suggests it is not a requirement for your operating system to work properly. Nevertheless, if you need this

driver, you can still find it in the AOpen Bonus Pack

Note: Installing this ATA/100 ID

driver may cause Suspend to Har

Drive failure.

CD disc.

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IInnssttaalllliinngg OOnnbbooaarrdd SSoouunndd DDrriivveerr

This motherboard comes with an AD1885 AC97 CODEC. You can find the audio driver from the Bonus Pack CD disc auto-run

menu.

Note: Before you start

installing the onboard sound

chip driver, please make sure

your system had been

installed Microsoft DirectX 5

or later version. You can find

DirectX setup program in

Open Bonus Pack CD

auto-run menu.

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AACCPPII SSuussppeenndd ttoo HHaarrdd DDrriivvee

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

memory and screen image) into hard disk, and then the system can 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

Save into

Restore within

seconds

Hard Disk

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System Requirement

1. AOZVHDD.EXE 1.30b or later.

2. Delete config.sys and autoexec.bat.

Fresh installation of Windows 98 on a new system

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

2. After Windows 98's installation is complete, go to the Control Panel > Power Management.

a. Set Power Schemes > System Standby to "Never".

b. Click on "Hibernate" and select "Enable Hibernate Support" then "Apply".

c. Click on the "Advanced" tab, you'll see "Hibernate" on "Power Buttons". Note that this option will only be seen after step b

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

"Apply".

3. Clean boot into DOS and run AOZVHDD utility.

a. If you 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. The utility will locate the space 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 so will be taken for the system to save what's in the memory to the hard drive; the larger the memory

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size the longer this process will take.

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Changing from APM to ACPI (Windows 98 only)

1. Run "Regedit.exe"

a. Go through the following path

HKEY_LOCAL_MACHINE

SOFTWARE

MICROSOFT

WINDOWS

CURRENT VERSION

DETECT

b. Select "ADD Binary" and name it as "ACPIOPTION".

c. Right click and select Modify, add "01" after "0000" to make it "0000 01".

d. Save changes.

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

MMXX33SS--UU // MMXX33SSPP--UU 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 only ATI 3D Rage Pro AGP card would support

CPI suspend to disk. Please refer to AOpen web site for latest update

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AACCPPII SSuussppeenndd ttoo RRAAMM ((SSTTRR))

This motherboard supports ACPI Suspend to RAM function. With this function, you can resume your original work directly from

DRAM without going through the Windows 98 booting process and run your application again. Suspend to DRAM saves your

current work in the system memory, it is faster than Suspend to Hard Drive but requires power supplied to DRAM, while Suspend to

Hard Drive requires no power.

When go into Suspend:

When power-on next time:

System Image & Status

in the DRAM

System Image & Status

in the DRAM

Backup by 3.3V

Power

Power back to

Other System

Devices

Other System

Devices

Power loss

Power back to

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

System Requirement

1. An ACPI OS is required. Currently, Windows 98 is the only choice.

2. The Intel® Chipset Software Installation Utility must have been installed properly.

Procedures

1. Changed the following BIOS settings.

BIOS Setup > Power Management Setup > ACPI Function: Enabled

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

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

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

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AAWWAARRDD BBIIOOSS

System parameters can be modified by going into BIOS Setup menu, this menu allows you to configure the system parameters and

save the configuration into the 128 bytes CMOS area, (normally in the RTC chip or in the main chipset).

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 MX3S-U/MX3SP-U 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.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

AAbboouutt BBIIOOSS FFuunnccttiioonn DDeessccrriippttiioonn……

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 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.

Item Function Description Window Menu Items Select Window

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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 use the

<Page 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 setting to next value or increase 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.

MMXX33SS--UU // MMXX33SSPP--UU 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 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.

MMXX33SS--UU // MMXX33SSPP--UU 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 "Load Setup Defaults" for recommended optimal performance.

Del

Warning: Please avoid of using "Load Turbo Defaults", unless

you are sure your system components (CPU, DRAM, HDD, etc.)

are good enough for turbo setting.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

BBIIOOSS UUppggrraaddee

By flashing your motherboard, you agree to accept the possibility 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 BIOS

revision for the right motherboard model.

AOpen Easy Flash is a little different than traditional flash method. The BIOS

you simply run a single commend to complete the flash process.

binary file and flash routine are linked together and

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.

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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/

BIOS file and the flash utility. Or Winzip (http://www.winzip.com/

3. Save the unzipped file into a bootable floppy disk. For example, MX3SPU102.BIN & MX3SPU102.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:> MX3SPU102 and the program will do the rest of it.

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

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

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.

file from AOpen's web site. For example, MX3SPU102.ZIP.

) which supports miscellaneous operation systems to extract the binary

) in Windows environment.

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

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OOvveerrcclloocckkiinngg

As a leading manufacturer in motherboard industry, AOpen always listens to what customers want and develop products to fit

different user's requirements. Reliability, compatibility, leading technology and friendly features are our basic goals when designing

motherboards. Other than above mentioned design criteria, there are power users who are always seeking to push the limitation of

the system performance by overclocking which we call them "Overclocker".

This section is dedicated to overclockers.

This high performance motherboard is designed for maximum 133MHz CPU bus clock. But it comes with clock generator of

248MHz when we design it to accommodate future CPU bus clock. Our lab test results shown that 166MHz is achievable when

proper setting and qualified components were presented, we feel quite comfortable overclocking to 166MHz. Not only that, this

motherboard has full-range (CPU core voltage) settings and an option to adjust CPU core voltage. The CPU clock ratio can be up

to 12x that supports almost all of Pentium III/Celeron CPUs in the future and provides flexibility for overclockers. For your reference,

the following configurations are what we feel comfortable at 166MHz bus clock.

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.

Warning: The design of this product follows CPU and chipset vendor's

design guideline. Any attempts to push beyond product specification are

not recommended and you are taking your own risk to damage your

system or important data. Before doing overclocking, you must make sure

your components are able to tolerate such abnormal setting, especially

CPU, DRAMs, hard disks, and AGP VGA cards.

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VVGGAA CCaarrdd && HHaarrdd DDiisskk

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

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

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GGlloossssaarryy

AACC9977

Basically, AC97 specification separates sound/modem circuit to two parts, digital processor and a CODEC for analogy I/O they are

linked by AC97 link bus. Since digital processor can be put into motherboard main chipset, the cost of sound/modem onboard

solution can be reduced.

AACCPPII ((AAddvvaanncceedd CCoonnffiigguurraattiioonn && PPoowweerr IInntteerrffaaccee))

ACPI is the power management specification of PC97 (1997). It intends to save more power by taking full control of power

management to operating system and bypass

operating system (such as Windows 98). This is a bit similar as the

switch to control the power state 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.

BIOS

. The chipset or super I/O chip needs to provide standard register interface to

PnP

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AAMMRR ((AAuuddiioo//MMooddeemm RRiisseerr))

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

motherboard through AMR connector.

AAOOppeenn BBoonnuuss PPaacckk CCDD

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

useful utilities.

AAPPMM ((AAddvvaanncceedd PPoowweerr MMaannaaggeemmeenntt))

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

power management.

AATTAA ((AATT AAttttaacchhmmeenntt))

ATA is the specification of diskette interface. In 80’s, many software and hardware manufacturers instituted the ATA specification

together. 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.

MMXX33SS--UU // MMXX33SSPP--UU 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 reduce 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 opportunity to deliver a flexible and cost reduced method of implementing LAN,

home networking, DSL, USB, wireless, audio and modem subsystems widely used in today's "connected PCs". The CNR

specification is an open industry specification and is supported by OEMs, IHV card manufacturers, silicon supplier and Microsoft.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

CCOODDEECC ((CCooddiinngg aanndd DDeeccooddiinngg))

Normally, CODEC means a circuit that can do digital to analog conversion and also the analog to digital conversion. It is part of

sound/modem solution.

AC97

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 applications,

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 devices.

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

that some old DIMMs are made by FPM/

EDO

DDMMAA ((DDiirreecctt MMeemmoorryy AAcccceessss))

Channel for communications between the memory and surrounding devices.

SDRAM

and only operate at 5V. Do not confuse them with SDRAM DIMM.

, which operate at 3.3V. Note

MMXX33SS--UU // MMXX33SSPP--UU 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 detect 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, EDO 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.

MMXX33SS--UU // MMXX33SSPP--UU 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 allows 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 socket, but require

motherboard to add some signals on socket 370. That is, the motherboard needs to be redesigned. Intel 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.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

FFSSBB ((FFrroonntt SSiiddee BBuuss)) CClloocckk

FSB Clock means CPU external bus clock.

CPU internal clock = CPU FSB Clock x CPU Clock Ratio

CC BBuuss

See SMBus.

IIEEEEEE 11339944

IEEE 1394 is a low-cost digital interface originated by Apple Computer as a desktop 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 digital television devices

together at 200 Mbps. Serial Bus Management provides overall configuration 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 type of IEEE 1394 data transfer: asynchronous and isochronous. Asynchronous transport is the

traditional computer memory-mapped, load and store interface. Data requests are sent to a specific address and an

acknowledgment is returned. In addition 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.

MMXX33SS--UU // MMXX33SSPP--UU 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.

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

PPDDFF FFoorrmmaatt

A file format for electronic document, PDF format is independent from platform, you can read PDF file under Windows, Unix, Linux,

Mac … with different PDF reader. You can also read PDF file by web browser such as IE and Netscape, note that you need to

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.

MMXX33SS--UU // MMXX33SSPP--UU 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

DIMM

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

SShhaaddooww E

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

battery-less design

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 identical. That is why it was

called Single In Line. SIMM is made by FPM or

motherboard design.

EDO

PBSRAM

to use burst mode transfer. SDRAM comes in 64-bit 168-pin

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

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

SSMMBBuuss ((SSyysstteemm MMaannaaggeemmeenntt BBuuss))

SMBus is also called I2C bus. It is a two-wire bus developed for component 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 information such as DRAM

timing and chip parameters. SPD can be used by

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 access memory (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)

industry standard 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. Ultra 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

BIOS

to decide best timing for this DIMM or RIMM.

interface. Ultra DMA was developed as a proposed

MMXX33SS--UU // MMXX33SSPP--UU 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 DRAM technology by providing a

set 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.

MMXX33SS--UU // MMXX33SSPP--UU 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

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

Continue

Yes No

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

power supply or motherboard failure

Please contact your reseller or local

distributor for repairing.

MMXX33SS--UU // MMXX33SSPP--UU 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

Perhaps your VGA card

or monitor is defective.

It is very possible that your

keyboard is defective.

MMXX33SS--UU // MMXX33SSPP--UU 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

The problem should be

caused by the IDE

cable or HDD itself.

MMXX33SS--UU // MMXX33SSPP--UU 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 Technical Supporting Team

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

correct.

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

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

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

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

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

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

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

SerialNo.Part No

MMXX33SS--UU // MMXX33SSPP--UU OOnnlliinnee MMaannuuaall

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.tw/tech/newsgrp/default.htm

Contact Distributors/Resellers: We sell our products through resellers and integrators. They should know your

system configuration very well and should be able to solve your problem more efficiently than us. After all, their

attitude of service is an important reference for you if next time you want to buy something else from them.

serial number and BIOS version are also very helpful.

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

MX3SPU is model name of motherboard; R1.20 is BIOS version.

MX3SPU R1.20 Feb.01.2001 AOpen Inc.

ward Plug and Play BIOS Extension v1.0A

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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 information.

• 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 other people or companies. Further, AOpen will not disclose any of information you submitted under any conditions. Please consult our online

Note: If registering products purchased from different

dealers/retails and/or purchased on different dates,

lease submit a separate form for each product.

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merica

Open America Inc.

Tel: 1-510-498-8928

Fax: 1-408-922-2935, 1-408-432-0496

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

Pacific Rim

Open Inc.

Tel: 886-2-2696-1333

Fax: 886-2-8691-2233

China

艾尔鹏国际上海(股)有限公司

Tel: 49-2102-157700

Fax: 49-2102-157799

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

E-mail: Send us email by going through the contact form below.

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

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

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

German http://www.aopencom.de/tech/contact/techde.htm

French http://aofr.aopen.com.tw/tech/contact/techfr.htm

Simplified Chinese http://www.aopen.com.cn/tech/contact/techcn.htm

Europe

Open Computer b.v.

Tel: 31-73-645-9516

Fax: 31-73-645-9604

Germany

Open Computer GmbH.

Tel: 49-2102-157700

Fax: 49-2102-157799

AOpen MX3SPU User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

MX3S-U / MX3SP-U

Chipset

Expansion Slots

Memory

Ultra DMA 33/66/100 Bus Mater IDE

On-board AC’97 Sound

Four USB Connectors

Power Management/Plug and Play

Hardware Monitoring Management

Enhanced ACPI

Super Multi-I/O

Motherboard Map

IrDA Connector

Front Audio Connector

System Requirement

Fresh installation of Windows 98 on a new system

Changing from APM to ACPI (Windows 98 only)

Changing from ACPI to APM

System Requirement

Procedures