AOpen MK79 User Manual

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MMKK7799 OOnnlliinnee MMaannuuaall

Overview

MK79

DOC. NO.: MK79-OL-E0210A

Installation

Hardware

Drivers &

Utilities

BIOS Setup

AWARD

Glossary

Troubleshooting &

Technical Support

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WWhhaatt’’ss iinn tthhiiss mmaannuuaall

MK79 .............................................................................................................................................1

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

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

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

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

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

Quick Installation Procedure .........................................................................................................................................14

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

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

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

JP14 Clear CMOS Data ................................................................................................................................................ 18

CPU Installation ............................................................................................................................................................ 19

CPU Jumper-less Design .............................................................................................................................................. 21

CPU and Housing Fan Connector .................................................................................................................................24

JP28 Keyboard/Mouse Wakeup Enable/Disable Jumper ............................................................................................... 26

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

STBY LED .....................................................................................................................................................................29

Front Panel Connector .................................................................................................................................................. 30

MMKK7799 OOnnlliinnee MMaannuuaall

ATX Power Connector................................................................................................................................................... 31

AC Power Auto Recovery ..............................................................................................................................................32

IDE and Floppy Connector ............................................................................................................................................ 33

IrDA Connector .............................................................................................................................................................35

AGP (Accelerated Graphic Port) 4X Expansion Slot......................................................................................................36

AGP Protection Technology and AGP LED....................................................................................................................37

ACR Slot ....................................................................................................................................................................... 38

PC99 Color Coded Back Panel .....................................................................................................................................39

COM2 Connector ..........................................................................................................................................................40

Support 2

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

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

AUX-IN Connector.........................................................................................................................................................44

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

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

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

AOConfig Utility .............................................................................................................................................................48

Resetable Fuse ............................................................................................................................................................. 50

and 3rd USB (1.1) Port ................................................................................................................................41

μF

Low ESR Capacitor.........................................................................................................................................51

2200

MMKK7799 OOnnlliinnee MMaannuuaall

Layout (Frequency Isolation Wall) ................................................................................................................................. 52

Driver and Utility .......................................................................................................................53

Auto-run Menu from Bonus CD Disc ............................................................................................................................. 54

nVIDIA nForce Drivers .................................................................................................................................................. 55

The noise is gone!! ---- SilentTek .................................................................................................................................. 56

Phoenix Award BIOS..................................................................................................................59

How To Use Phoenix Award™ BIOS Setup Program .....................................................................................................60

How To Enter BIOS Setup ............................................................................................................................................. 62

BIOS Upgrade under Windows environment .................................................................................................................63

Overclocking.............................................................................................................................. 65

VGA Card & Hard Disk .................................................................................................................................................. 66

Glossary ....................................................................................................................................67

AC97 ............................................................................................................................................................................. 67

ACPI (Advanced Configuration & Power Interface) .......................................................................................................67

AGP (Accelerated Graphic Port).................................................................................................................................... 67

AMR (Audio/Modem Riser)............................................................................................................................................ 68

AOpen Bonus Pack CD.................................................................................................................................................68

APM (Advanced Power Management)...........................................................................................................................68

ATA (AT Attachment) ..................................................................................................................................................... 68

MMKK7799 OOnnlliinnee MMaannuuaall

ATA/66 ..........................................................................................................................................................................68

ATA/100 ........................................................................................................................................................................ 69

ATA/133 ........................................................................................................................................................................ 69

BIOS (Basic Input/Output System) ................................................................................................................................ 69

Bus Master IDE (DMA mode) ........................................................................................................................................ 69

CNR (Communication and Networking Riser)................................................................................................................ 70

CODEC (Coding and Decoding) ....................................................................................................................................70

DDR (Double Data Rate) RAM ...................................................................................................................................... 70

DIMM (Dual In Line Memory Module)............................................................................................................................71

DMA (Direct Memory Access)........................................................................................................................................ 71

ECC (Error Checking and Correction) ........................................................................................................................... 71

EDO (Extended Data Output) Memory ..........................................................................................................................71

EEPROM (Electronic Erasable Programmable ROM).................................................................................................... 72

EPROM (Erasable Programmable ROM)....................................................................................................................... 72

EV6 Bus ........................................................................................................................................................................ 72

FCC DoC (Declaration of Conformity) ........................................................................................................................... 72

FC-PGA (Flip Chip-Pin Grid Array) ................................................................................................................................72

Flash ROM .................................................................................................................................................................... 73

FSB (Front Side Bus) Clock .......................................................................................................................................... 73

MMKK7799 OOnnlliinnee MMaannuuaall

I2C Bus ..........................................................................................................................................................................73

IEEE 1394.....................................................................................................................................................................74

Parity Bit .......................................................................................................................................................................74

PBSRAM (Pipelined Burst SRAM)................................................................................................................................. 74

PC-100 DIMM ............................................................................................................................................................... 75

PC-133 DIMM ............................................................................................................................................................... 75

PC-1600 / PC-2100/ PC-2700 / PC-3200 DDR DRAM................................................................................................... 75

PCI (Peripheral Component Interface) Bus ...................................................................................................................75

PDF Format................................................................................................................................................................... 76

PnP (Plug and Play) ......................................................................................................................................................76

POST (Power-On Self Test) ..........................................................................................................................................76

RDRAM (Rambus DRAM) .............................................................................................................................................76

RIMM (Rambus Inline Memory Module) ........................................................................................................................77

SDRAM (Synchronous DRAM) ...................................................................................................................................... 77

Shadow E2PROM .......................................................................................................................................................... 77

SIMM (Single In Line Memory Module) .........................................................................................................................77

SMBus (System Management Bus) ............................................................................................................................... 78

SPD (Serial Presence Detect).......................................................................................................................................78

Ultra DMA ..................................................................................................................................................................... 78

MMKK7799 OOnnlliinnee MMaannuuaall

USB (Universal Serial Bus) ........................................................................................................................................... 79

VCM (Virtual Channel Memory).....................................................................................................................................79

ZIP file........................................................................................................................................................................... 79

Troubleshooting......................................................................................................................... 80

Technical Support .....................................................................................................................84

Product Registration .................................................................................................................87

How to Contact Us ....................................................................................................................88

MMKK7799 OOnnlliinnee MMaannuuaall

YYoouu MMuusstt NNoottiiccee

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

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

Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III, Pentium 4 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

MMKK7799

OOnnlliinnee MMaannuuaall

BBeeffoorree YYoouu SSttaarrtt

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

chapters. Please keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved

in PDF format

get free download 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.

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

MMKK7799 OOnnlliinnee MMaannuuaall

OOvveerrvviieeww

Thank you for choosing AOpen MK79. The MK79 is based on AMD® Socket 462 motherboard with micro ATX form factor

featuring the NVIDIA nForce™ (IGP and MCP-D)

Socket 462 series Athlon™ & Duron™ and AthlonXP™ processor and 266/200MHz EV6 system bus. For better graphic

performance, GeForce2 GPU 3D Graphics is integrated into the NVIDIA nForce for delivering rich,real-time 3D images and

animation consumes valuable system Bandwidth. MK79 supports 1.5V AGP interface with AGP 4x with Fast Write data transfer,

which pipelined spilt-transaction long burst transfer up to 1056MB/sec. This motherboard comes with high speed of 6.4Gb/sec

HyperTransport, the Isochronous Link between NVIDIA IGP

and MCP-D. DDR266

the maximum memory size of up to 1GB. The on-board IDE

controller supports Ultra DMA

transfer rate up to 100MB/s. Besides, the MK79 has an

CODEC RealTek ALC202A chipset onboard for

AC97

provides high performance and magic surround stereo

sound to let people enjoy working with it.

. As high performance chipset built in the M/B, the MK79 supports AMD®

and DDR200 DDR RAM are applied to

33/66/100 mode and the

MMKK7799 OOnnlliinnee MMaannuuaall

FFeeaattuurree HHiigghhlliigghhtt

CPU

Supports AMD® Socket 462 series CPU with 200MHz and 266MHz, EV6 Bus designed for Socket 462 technology.

Athlon: 600MHz~1.4GHz

Duron: 600MHz~1.2GHz

AthlonXP: 1500+(1.33GHz)~2600+(2.06GHz)

Chipset

The NVIDIA nForce™2 consists of the nVIDIA nForce IGP and MCP-D, which using TwinBank™ Memory Architecture, a

Dynamic Adaptive Speculative processor (DASP) to help boost CPU performance and the HyperTransport, a high performance

I/O bus interface with high speed of 6.4Gb/sec. Integrated in this excellent chipset is the Geforce2 GPU, which could provide

amazing 3D visual performance to create rich, real-time 3D images and animation and Dolby

provided, MK79 supports all master PCI slots with arbitration and decoding for all integrated functions and LPC bus.

Digital 3D audio. Of two PCI slots

Ultra DMA 33/66/100 Bus Master IDE

Embedded within nVIDIA MCP-D, this motherboard equipped with Ultra DMA 33/66/100 that supports two connectors, and that

means four IDE devices in two channels, and supports Enhanced IDE devices.

MMKK7799 OOnnlliinnee MMaannuuaall

Expansion Slots

Including two 32-bit/33MHz PCI and one AGP 4X slot. The PCI local bus throughput can be up to 132MB/s. The Accelerated

Graphics Port (AGP) specification provides a new level of video display sophistication and speed with data transfer rate up to

1056MB/s. For AD and SBA signaling, MK79 can support 133MHz 2X/4X mode.

Memory

With NVIDIA nForce™2 chipsets, the MK79 supports Double-Data-Rate (DDR) RAM. The DDR RAM interface allows zero wait

state bursting between the RAM and the data buffers at 266/200 MHz. The four banks of DDR RAM can be composed of an

arbitrary mixture of 64, 128, 256, 512MB DDR RAM and maximum up to 1GB. The MK79 allows DDR RAM to run at either

synchronous or pseudo-synchronous mode with the host CPU bus frequency (266/200MHz).

On-board AC97 Sound

MK79 uses the AC97 CODEC RealTek ALC202A chip. This on-board audio includes a complete audio recording and playback

system.

ACR Slot

On the strength of nForce MCP-D on chip, which is a highly-integrated Platform LAN Connect device, it provides 10/100 Mbps

Ethernet for office and home use. You may use ACR slot with LAN card connected for network access.

Six USB (1.1) Connectors

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

MMKK7799 OOnnlliinnee MMaannuuaall

Power Management/Plug and Play

The MK79 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

problems, thus making the system much more user-friendly.

Plug-and-Play

, which helps saving users from configuration

Hardware Monitoring Management

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

module and

AOpen Hardware Monitoring Utility

Enhanced ACPI

Fully implement the ACPI standard for Windows® 95/98/ME/NT/2000/XP series compatibility, and supports Soft-Off, STR

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

Super Multi-I/O

The MK79 provides one high-speed UART compatible serial port, one VGA port and one parallel port with EPP and ECP

capabilities.

MMKK7799 OOnnlliinnee MMaannuuaall

QQuuiicckk IInnssttaallllaattiioonn PPrroocceedduurree

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

1. Installing CPU and Fan

2. Installing 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 Driver and Utility

10.

MMKK7799

OOnnlliinnee MMaannuuaall

Front Audio Connector

nboard AC97 CODEC

RealTek ALC202A

COM2 Connector

Green: AUX-IN Connector

32-bit PCI Expansion Slot x2

WOL (Wake on LAN) Connector

Chassis Intrusion Sensor Connector

2ndUSB (1.1) Port Connector

3rdUSB (1.1)Port Connector

JP14 Clear CMOS Jumper

2Mb Phoenix Award BIOS

Front Panel Connector

SYSFAN3 Connector

(ATA/33/66/100 supported)

ACR Slot

IrDA Connector

AGP LED

IDE Connector x 2

Motherboard Map

PC99 Colored Back Panel

Resetable Fuse

JP28 Keyboard/Mouse Wakeup

SYSFAN2 Connector

JP17 Host Clock Selection AGP 4x Expansion Slot

(For 1.5V AGP and ADD card only)

462-pin CPU Socket with Voltage and Frequency Auto-Detection that supports AMD and AthlonTMXP

NVIDIA nForce IGP and MCP-D

CPUFAN1 Connector

184-pin DIMMx2 supports DDR266/200 (Max. to 1GB)

STBY LED ATX Power

FDD Connector

AthlonTM/DuronTM/

Connector

MMKK7799 OOnnlliinnee MMaannuuaall

BBlloocckk DDiiaaggrraamm

Socket 462

AMD

Athlon/Duron/AthlonXP

CPU

DDR SDRAM Socket x2

100/133MHz System Bus

AGP 4X Slot

VGA onboard

DDR266/200

DDR RAM Up to 1GB

NVIDIA

nForce2 IGP

AGP Bus

PCI Bus

1stUSB Port

2ndUSB Port

3rdUSB Port

USB (1.1) connector x6

Floppy Disk Drive x2

32-bit PCI Slot x3

ATA

33/66/100

Primary

Channel

Secondary

Channel

MCP-D

IDE Dr ive x4

AC’97 Link

Audio CODEC

ACR slot

2MBit Flash EEPROM

Parallel Port

Serial Port x1

MMKK7799 OOnnlliinnee MMaannuuaall

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 procedures requiring ESD protection.

MMKK7799 OOnnlliinnee MMaannuuaall

JJPP1144 CClleeaarr CCMMOOSS DDaattaa

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

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

2. Remove ATX power cable from connector PWR2.

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

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

5. Connect ATX power cable back to connector PWR2.

Pin 1

Normal Operation

(default)

Clear CMOS

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

MMKK7799 OOnnlliinnee MMaannuuaall

CCPPUU IInnssttaallllaattiioonn

This motherboard supports AMD® Athlon™ & Duron™ and AthlonXP™ Socket 462 series CPU. 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 socket

Lever

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

CPU pin 1

and cut edge

Black dot

and cut edge

MMKK7799 OOnnlliinnee MMaannuuaall

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

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

CPU cut edge

Note: If you do not match the CPU

socket Pin 1 and CPU cut edge well, it

damage the CPU.

MMKK7799 OOnnlliinnee MMaannuuaall

AMD

CPU

CPU voltage

Clock Generator

CPU Freq. Ratio

BIOS

Controlled

Circuit

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

designs 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

Socket 462

CPU VID signal

Power Regulator

(Automatically generates CPU voltage)

MMKK7799 OOnnlliinnee MMaannuuaall

FFuullll--rraannggee AAddjjuussttaabbllee CCPPUU CCoorree VVoollttaaggee

The CPU core voltage will be automatically detected. It is not necessary to set CPU core voltage.

SSeettttiinngg CCPPUU FFrreeqquueennccy

This motherboard is CPU jumper-less design, you can set CPU frequency through the BIOS setup, and no jumpers or switches

are needed.

BIOS Setup > Frequency/Voltage Control > CPU Speed Setting

CPU Ratio From 5x to 16x step 0.5x

CPU FSB (By BIOS table)

Home

100,102,103,106,133,138,143,146,150,153,157MHZ

Warning: NVIDIA nForce IGP chipset supports 133MHz FSB (with

performance reaches maximum 266MHz EV6 system bus) and 66MHz

AGP clock, higher clock setting may cause serious system damage.

MMKK7799 OOnnlliinnee MMaannuuaall

SSuuppppoorrtteedd CCPPUU FFrreeqquueennccyy

Core Frequency = CPU Bus Clock * CPU Ratio EV6 Bus Speed = CPU external bus clock x 2 PCI Clock = CPU Bus Clock / Clock Ratio AGP Clock = PCI Clock x 2

CPU CPU Core Frequency EV6 Bus Clock Ratio Athlon 1G 1GHz 200MHz 10.0x Athlon 1.1G 1.1GHz 200MHz 11.0x Athlon 1.2G 1.2GHz 200MHz 12.0x Athlon 1.3G 1.3GHz 200MHz 13.0x Athlon 1G 1GHz 266MHz 7.5x Athlon 1.13G 1.13GHz 266MHz 8.5x Athlon 1.2G 1.2GHz 266MHz 9.0x Athlon 1.33G 1.33GHz 266MHz 10.0x Athlon 1.4G 1.4GHz 266MHz 10.5x AthlonXP 1500+ 1.3GHz 266MHz 10.0x AthlonXP 1600+ 1.4GHz 266MHz 10.5x AthlonXP 1700+ 1.46GHz 266MHz 11.0x AthlonXP 1800+ 1.53GHz 266MHz 11.5x AthlonXP 1900+ 1.6GHz 266MHz 12.0x AthlonXP 2000+ 1.667GHz 266MHz 12.5x AthlonXP 2100+ 1.73GHz 266MHz 13x AthlonXP 2200+ 1.80GHz 266MHz 13.5x AthlonXP 2400+ 2.0GHz 266MHz 15x AthlonXP 2600+ 2.13GHz 266MHz 16x Duron 800 800MHz 200MHz 8.0x Duron 850 850MHz 200MHz 8.5x Duron 900 900MHz 200MHz 9.0x Duron 950 950MHz 200MHz 9.5x Duron 1G 1GHz 200MHz 10.0x Duron 1.1G 1.1GHz 200MHz 11.0x

Note: With CPU speed changing rapidly, there might be fastest CPU on

the market by the time you received this installation guide. This table is kindly for your references only.

Note: This motherboard support

CPU auto-detection function.

Hence, you don’t need to setup

the CPU frequency manually.

MMKK7799

OOnnlliinnee MMaannuuaall

CCPPUU aanndd HHoouussiinngg FFaann CCoonnnneeccttoorr

Plug in the CPU fan cable to the 3-pin CPUFAN1 connector. If you have chassis fan, you can also plug it on SYSFAN2 or

SYSFAN3 connector.

GND +12V SENSOR

SYSFAN2 Connector

GND +12V SENSOR

CPUFAN1 Connector

Note: Some CPU fans do not have

sensor pin, so that cannot support fan

monitoring.

SYSFAN3 Connector

MMKK7799 OOnnlliinnee MMaannuuaall

JJPP177 HHoosstt CClloocckk SSeelleeccttiioon

This jumper allows you to select different CPU Frequency. You may set pin 1-2 for 100MHz or pin 2-3 for 133MHz. Additionally,

You may also choose a specific FSB frequency ranging from 100~106 (say, 100, 102, 103 for example) and 133~157 with

reference to a frequency table in BIOS setup program.

JP17 Host Clock

Select Jumper

100MHz

(Default)

133MHz

MMKK7799 OOnnlliinnee MMaannuuaall

JJPP288 KKeeyybbooaarrdd//MMoouussee WWaakkeeuupp EEnnaabbllee//DDiissaabbllee JJuummppeerr

This motherboard provides keyboard / mouse wake-up function. You can use JP28 to enable or disable this function, which

could resume your system from suspend mode with keyboard or mouse installed. The factory default setting is set to

“Enable”(1-2), and you may disable this function by setting the jumper to 2-3.

Enable

(Default)

JP28

Disable

MMKK7799 OOnnlliinnee MMaannuuaall

DDIMMMM SSoocckkeettss

This motherboard has three 184-pin DDR DIMM sockets that allow you to install DDR266 or DDR200 memory up to 1 GB. Only

Non-ECC DDR RAM is supported, otherwise, it will cause serious damage on memory sockets or SDRAM module.

Warning: The MK79 support DDR RAM.

Please do not install the SDRAM on the

DDR RAM sockets. Otherwise, it will

cause serious damage on memory sockets

or SDRAM module.

DDR RAM

MMKK7799 OOnnlliinnee MMaannuuaall

HHooww ttoo IInnssttaallll MMeemmoorryy MMoodduulleess

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

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

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

in place.

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

Pin 1

Ta b

Key

52 pins 40 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.

Pin 1

MMKK7799 OOnnlliinnee MMaannuuaall

SSTTBBYY LLEEDD

STBY LED is AOpen’s considerate design that aims at providing you friendly system information. The STBY LED will light up

when power is connected to the motherboard. This is a convenient indication for you to check the system power status in many

circumstances such as power on/off, stand-by mode and RAM power status during Suspend to RAM mode.

STBY LED

Warning: Do not install or remove the

DIMM module or others devices when

the STBY LED lights on.

(

)

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FFrroonntt PPaanneell CCoonnnneeccttoorr

Attach the power LED, speaker, power and reset switch connectors to the

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

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

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

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

switch connector marked SPWR.

Suspend Type ACPI LED

Power on Suspend (S1) or Suspend to RAM (S3) Blinking between green and red.

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

NC NC

+5V

+5V +5V

GND

SPWR GND ACPI LED GND ACPILED NC ACPI_B GND RESET GND

IDE LED

Speaker

SPWR

ACPI & PWR LED

ACPI LED

Blue

Reset

IDE LED IDE LED

SPEAKER

MMKK7799 OOnnlliinnee MMaannuuaall

AATTXX PPoowweerr CCoonnnneeccttoorr

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

20-Pin Power Connector

MMKK7799 OOnnlliinnee MMaannuuaall

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.

(

)

(

)

(

)

MMK

7799

OOnnlliinnee MMaannuuaall

IIDDEE aanndd FFllooppppyy CCoonnnneeccttoorr

Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC connector. Be careful of the pin1 orientation. Wrong

orientation may cause system damage.

Pin 1

Slave (2nd)

Pin 1

Secondary

Slave

4th

Primary

Secondary

Master

Primary

Master

FDD Connector

3rd

IDE 2 Secondary

IDE 1 Primary

ATA 33/66/100 IDE Connector

1st

MMKK7799 OOnnlliinnee MMaannuuaall

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 ref er to your hard dis k and CDROM manual acc ordingly.

This motherboard supports ATA33, ATA66 or ATA100 DE devices. Following table lists the transfer rate of IDE PIO and DMA modes. The IDE bus is 16-bit , which means every transfer is two bytes.

Mode Clock Period Clock Count Cycle Time Data Transfer Rate

PIO mode 0 30ns 20 600ns (1/600ns) x 2byte = 3.3MB/s PIO mode 1 30ns 13 383ns (1/383ns) x 2byte = 5.2MB/s PIO mode 2 30ns 8 240ns (1/240ns) x 2byte = 8.3MB/s PIO mode 3 30ns 6 180ns (1/180ns) x 2byte = 11.1MB/s PIO mode 4 30ns 4 120ns (1/120ns) x 2byte = 16.6MB/s DMA mode 0 30ns 16 480ns (1/480ns) x 2byte = 4.16MB/s DMA mode 1 30ns 5 150ns (1/150ns) x 2byte = 13.3MB/s DMA mode 2 30ns 4 120ns (1/120ns) x 2byte = 16.6MB/s ATA33 30ns 4 120ns (1/120ns) x 2byte x 2 = 33MB/s ATA66 30ns 2 60ns (1/ 60ns) x 2byte x 2 = 66MB/s ATA100 20ns 2 40ns (1/40ns) x 2byte x 2 = 100MB/s

Warning: The spec if icat i on o f the I DE c abl e is a max im um o f 46 cm ( 18 inc h es) ; make sure your cable does not exc eed this lengt h.

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 33/66/100 hard disks, a s pecial 80-wires IDE cable for Ultra DMA

1 i r

MMKK7799 OOnnlliinnee MMaannuuaall

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

+5V

IR_TX

KEY GND IR_RX

MMKK7799 OOnnlliinnee MMaannuuaall

AAGGPP ((AAcccceelleerraatteedd GGrraapphhiicc PPoorrtt)) 44XX EExxppaannssiioonn SSlloott

With Intel 845GE chipset implemented, this AGP slot could automatically become an AGP slot or a Multiplexed Intel DVO Output depending on what kind of cards inserted, like AGP, or ADD (AGP Digital Display) cards. With ADD card cabled to this slot, Multiplexed Intel DVO output could provide high-speed digital connection for digital displays or TV-OUT functionality. As for AGP performance, Integrated GeForce4 GPU Graphics could provide amazing 3D visual performance to create rich, real-time 3D images and animation and Dolby graphic. AGP uses both rising and falling edge of the 66MHz clock, for 4X AGP, the data transfer rate is 66MHz x 4bytes x 4 = 1056MB/s.

Digital 3D audio. The MK79 provides an AGP 4x slot targeted for high-performance 3D

MMKK7799 OOnnlliinnee MMaannuuaall

AAGGPP PPrrootteeccttiioonn TTeecchhnnoollooggyy aanndd AAGGPP LLEEDD

WWiitthh tthhee oouuttssttaannddiinngg RR&&DD aabbiilliittyy ooff AAOOppeenn aanndd iittss ssppeecciiaallllyy ddeevveellooppeedd cciirrccuuiitt,, tthhiiss mmooddeell iimmpplleemmeennttss aa bblleenndd nneeww tteecchhnnoollooggyy ttoo

pprrootteecctt yyoouurr mmootthheerrbbooaarrdd ffrroomm bbeeiinngg ddaammaaggeedd bbyy oovveerr--vvoollttaaggiinngg ooff AAGGPP ccaarrdd.. WWhheenn AAGGPP PPrrootteeccttiioonn TTeecchhnnoollooggyy iiss iimmpplleemmeenntteedd,,

tthhiiss mmootthheerrbbooaarrdd wwiillll aauuttoommaattiiccaallllyy ddeetteecctt tthhee vvoollttaaggee ooff AAGGPP ccaarrdd aanndd pprreevveenntt yyoouurr cchhiippsseettss ffrroomm bbeeiinngg bbuurrnntt oouutt.. PPlleeaassee nnoottee

tthhaatt iiff yyoouu iinnssttaallll aa AAGGPP ccaarrdd wwiitthh 33..33VV,, wwhhiicchh iiss nnoott ssuuppppoorrtteedd,, tthhee AAGGPP LLEEDD oonn tthhee mmootthheerrbbooaarrdd wwiillll lliigghhtt uupp ttoo wwaarrnn yyoouu tthhee

ppoossssiibbllee ddaammaaggee ooff tthhee eexxcceeeeddiinngg vvoollttaaggee.. YYoouu mmaayy ccoonnttaacctt yyoouurr AAGGPP ccaarrdd vveennddoorr ffoorr ffuurrtthheerr ssuuppppoorrtt.

AGP LED

Warning: It is strongly recommended not

to install a AGP card with 3.3V, which is not

supported, the LED3 will light up to warn

you the possible damage.

MMKK7799 OOnnlliinnee MMaannuuaall

AACCRR SSlloott

Building on the PC motherboard riser architecture, ACR slot is backward compatible with AMR but beyond the limitation of it.

The ACR specification is designed to support modem, audio, Local Area Network (LAN) and Digital Subscriber Line (DSL). On

the strength of nVIDIA MCP-D controller on chip, which is a highly integrated Platform LAN Connect device, it provides 10/100M

bps Ethernet for office and home use.

ACR Slot

VGA

MMKK7799 OOnnlliinnee MMaannuuaall

PPCC9999 CCoolloorr CCooddeedd BBaacckk PPaanneell

The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, serial ports COM1 and VGA, Printer, USB, AC97 sound and game

port. The view angle of drawing shown here is the back panel of the housing.

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 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 Mouse

Connector

PS/2

Keyboard

USB1.1

Ports

SPP/EPP/ECP Parallel Port

COM 1 Port

Game Port

Port

MIC-In

Line-In

Speaker Out

MMKK7799

OOnnlliinnee MMaannuuaall

CCOOMM22 CCoonnnneeccttoorr

This motherboard provides two serial ports. One of them is on back panel connector, and the other is on the upper middle of

board. With proper cable, you can connect it to the back panel of chassis.

Pin 1

1 2 DOD# SOUT

GND

RI#

RTS#

COM2 Connector

SIN DTR# CTS# DSR# KEY

MMKK7799 OOnnlliinnee MMaannuuaall

nndd

SSuuppppoorrtt 2

This motherboard provides six USBThis motherboard provides six USB connectors to connect USB devices, such as mouse, keyboard, modem, printer, etc. There

are four connectors on the PC99 back panel. You can use proper cables to connect the other USB connectors to the USB

modules or front panel of chassis.

Pin 1

USB2 Connector

SBD3+

D3-

+5V

SBD2-

SBD2+

aanndd 3

GND

rrd

UUSSBB ((11..11)) PPoorrtt t

Pin 1

KEY

USB3 Connector

Note: Please note that if you would like to use

USB devices (Example: keyboard, mouse.etc.)

under DOS environment, you must install driver

comes with the devices to make it work.

Pin 1

MMKK7799 OOnnlliinnee MMaannuuaall

CChhaassssiiss IInnttrruussiioonn SSeennssoorr CCoonnnneeccttoorr

The “CASE OPEN” header provides chassis intrusion-monitoring function. To make this function works, you have to enable it in

the system BIOS, connect this header to a sensor somewhere on the chassis. So, whenever the sensor is triggered by lights or

the opening of the chassis, the system will send out beep sound to inform you. Please be informed that this useful function only

applies to advanced chassis, you may purchase an extra sensor, attach it on your chassis, and make a good use of this

function.

Case Open Chassis Intrusion

Sensor Connector

SENSOR

GND

MMKK7799 OOnnlliinnee MMaannuuaall

CCDD AAuuddiioo CCoonnnneeccttoorr

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

GND

CCDD--IINN CCoonnnneeccttoorr

Note: Though some of the latest version of Windows

support “Digital Audio” through IDE bus. However, in

order to use Open Jukebox player, which is driven

under BIOS, it is a MUST to insert audio cable to

CD-IN connector on the motherboard.

MMKK7799 OOnnlliinnee MMaannuuaall

AAUUXX--IINN CCoonnnneeccttoorr

This connector is used t o connec t MPE G Audio cable from MPEG c ard t o onboard sound.

R GND GND

AUX-IN

MMKK7799 OOnnlliinnee MMaannuuaall

FFrroonntt AAuuddiioo CCoonnnneeccttoorr

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

through this connector. By the way, please 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.

Pin 1

1 2

AUD_MIC

AUD_MIC_BIAS

AUD_FPOUT_R

AUD_FROUT_L

9 10

AUD_GND

AUD_VCC

AUD_RET_R

KEY

AUD_RET_L

MMKK7799 OOnnlliinnee MMaannuuaall

Auto Switch

RTC

CMOS

BatteryATX Stand-by Power

uto switching to ATX standby power as long as AC power line is plugged. This smart design can increases battery life if you still had battery plugged 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 using the 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

(Real Time Clock)

00:00:00

MMKK7799 OOnnlliinnee MMaannuuaall

CCPPUU OOvveerr--ccuurrrreenntt PPrrootteeccttiioonn

Over Current Protection has been popularly implemented on ATX 3.3V/5V/12V switching power supply for a while. However, new generation CPU is able to use regulator of different voltages to transfer 5V to CPU voltage (for example, to 2.0V). This motherboard is with switching regulator onboard that supports CPU over-current protection, and it applies to 3.3V/5V/12V power supply for providing full line over-c urrent prot ect ion.

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

5V (Protected by power supply)

3.3V (Protected by power supply)

12V (Protected by power supply)

Onboard

Power

Regulator

Over-Current

Protection

Circuit

CPU Core Voltage

MMKK7799

OOnnlliinnee MMaannuuaall

AAOOCCoonnffiigg UUttiilliittyy

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

detective utility. AOconfig is a Windows based utility with user-friendly interface that allows users to obtain information of the

operation system and hardware such as motherboard, CPU, memory, PCI devices and IDE devices. The powerful utility also

displays the version of BIOS and firmware for your convenience of maintenance.

Moreover, AOconfig allows users to save information in *.BMP or *.TXT format which users may collect the system information

in detail and send them to AOpen directly for technical support or further diagnosis of system problem.

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

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

MMKK7799 OOnnlliinnee MMaannuuaall

NOTE: AOconfig can be used in Windows 98SE/ME, NT4.0/2000, or even the latest Windows XP. Please be

informed that AOconfig can only be operated in a system equipped with an AOpen motherboard. Meanwhile, all

applications must be closed before starting AOconfig.

3. This page presents the IDE devices information, such as the serial number, the manufacturer, the firmware version, and capacity.

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

Moreover, detailed information

could be saved in .bmp or .txt

format.

MMKK7799 OOnnlliinnee MMaannuuaall

RReesseettaabbllee FFuussee

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

onboard that user cannot replace it when it is damaged (did the job to protect motherboard), and the motherboard remains

malfunction.

With expensive Resetable Fuse, the motherboard can resume back to normal function after fuse had done its protection job.

Resetable

Fuse

MMKK7799 OOnnlliinnee MMaannuuaall

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, this motherboard implements 2200μF capacitor, which is much larger than normal capacitor (1000 or 1500μF)

and it provides better stability for CPU power.

LLooww EESSRR CCaappaacciittoorr

MMKK7799 OOnnlliinnee MMaannuuaall

LLaayoouutt ((FFrreeqquueennccyy IIssoollaattiioonn WWaallll))

Note: This diagram is for example only, it may not exactly be the same diagram of 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)

MMKK7799 OOnnlliinnee MMaannuuaall

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

2000/XP) before you can install any drivers or utilities. Please refer to your operation system’s installation guide.

MMKK7799 OOnnlliinnee MMaannuuaall

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.

MMKK7799 OOnnlliinnee MMaannuuaall

nnVVIIDDIIAA nnFFoorrccee DDrriivveerrss

This nForce driver is an all in one package, which contains the below components:

GPU driver, Audio driver, Audio utilities, Network driver, GART driver, SMBus driver, Memory controller driver

MMKK7799

OOnnlliinnee MMaannuuaall

TThhee nnooiissee iiss ggoonnee!!!! -------- SSiilleennttTTeekk

As the clock of CPU keeps rocketing higher and higher, it inevitably brings higher heat and

system temperature in a relative way. The way we deal with this heat problem, however, is to

spare no effort to add one fan after another to protect our pampered system, expecting these

fans could cool down our machine as much as it could.

But at the same time, we believe that same amount of users are affected terribly while working with their PC by the irritating

noises of these fans. As a matter of fact, we do not have to get our fans running at such a high speed in most cases; on the

contrary, we discovered that having your fans running at appropriate time and speed could not only reduce the noise, but also

consume the least power the system

needed, so as to prevent over-wasting

of energy resource.

Today, AOpen Motherboard is honored

to bring you a new overall solution,

SilentTek, to have your system quiet. To

collocate with hardware circuit, BIOS

and the utility under Windows,

SilentTek combined “Hardware-Status

Monitoring”, “Overheat Warning” and

“Fan Speed Control” with user-friendly

interfaces to provide you a perfect

balance between noises, system

performance and stability.

MMKK7799 OOnnlliinnee MMaannuuaall

The first image you have here is the Voltage Status page. You can find current status of all voltages and set your expected margins of warning level.

You may check your system voltage from the indicating bar here.

In “Temp/Fan/Case” page, you may get aware of the current temperature of CPU and the heat inside chassis, plus checking if fans are running properly.

Of course, you may set your defaulted lowest margin for your fans and the SilentTek would also pop up a message box and alarm you when the fan is rotating slower than this specified speed.

You may set the highest margin of your CPU and system temperature as default, and SilentTek would pop up a message box and alert you with alarm when the temperature goes beyond the specified margin.

MMKK7799 OOnnlliinnee MMaannuuaall

The following page is sure to be the most important part of this utility, you may control the rotation speed of specific fans you got

with options inside in this page. Respectively illustrate as follow:

1. Smart FAN Control: This is the default setting of

SilentTek and can be used for any branded computer

housing. With a special algorithm developed by

AOpen, the fan speed is automatically adjusted by

the factors of CPU and ambient temperature.

Ease-of-use and trouble free at your service.

2. Fixed FAN Control: Under this setting, a desired fan

speed is set fixed when operating.

3. Multiple Level Control: This is the most versatile

setting that allows you to set fan speed in relation to

temperature. You may find this setting fits youbest.

4. AOpen Recommend Setting: This setting is

designed specifically for AOpen housing. A series of

lab tests were conducted under the real world

scenario to determine optimum fan speed to reduce

noise level within CPU working condition and

temperature. Most of the time, the fan would remain

CD-ROM Rotation Speed Control: by enabling the CD-ROM

Rotation Speed Control, you can adjust the rotation speed of

your CD-ROM. When you set the speed to high level, the

CD-ROM will work at its fastest speed and it will run at basic

required speed while you set the value to low speed.

still when CPU is not fully utilized.

Note: Due to there are hundreds different brands of fan

on the market, there might be some inaccuracy

occurred when you have had adjusted your rotation

speed; this is still under criterion and please assured

that it won’t cause any problem to y our system.

MMKK7799 OOnnlliinnee MMaannuuaall

PPhhooeenniixx 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 Phoenix AwardBIOS™ that installed in the Flash ROM

The BIOS provides critical low-level support for standard devices such as hard disk drives, serial and parallel ports.

Most BIOS setting of MK79 had been optimized by AOpen’s R&D engineering team. But, the default setting of BIOS still can’t

fine-tune the chipset controlling the entire system. Hence, the rest of this chapter is intended to guide you through the process

of configuring your system using setup procedures.

To enter to BIOS setup menu

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

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.

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

MMKK7799 OOnnlliinnee MMaannuuaall

HHooww TToo UUssee PPhhooeenniixx 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 Phoenix Award™ BIOS setup program. The following table provides details about how to use keyboard in the Phoenix 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.

MMKK7799 OOnnlliinnee MMaannuuaall

Key Description

F6 Load Setup Defaults setting value from CMOS.

F7 Load turbo setting value from CMOS.

F10 Save changed setting and exit setup program.

MMKK7799 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, SDRAM, HDD,

etc.) are good enough for turbo setting.

MMKK7799 OOnnlliinnee MMaannuuaall

BBIIOOSS UUppggrraaddee uunnddeerr WWiinnddoowwss eennvviirroonnmmeenntt

With outstanding R&D ability of AOpen, we now bring you a whole new BIOS Flash wizard

---- EzWinFlash. With an eye to users convenience, EzWinFlash combines the BIOS binary

code and flash module together, so the only thing you have to do is just clicking on the

utility you downloaded from web and let it helps you complete the flash process automatically. EzWinFlash detects your

motherboard and checks the BIOS version cleverly to prevent your system from any possible failure. Moreover, EzWinFlash has

been taken into consideration to go with any windows platform you might be using, no matter if you’re using Windows 95/98,

98SE/ME, NT4.0/2000, or even the latest Windows XP.

In the meanwhile, in order to provide a much more user-friendly operating environment, AOpen EzWinFlash is natively designed

to have multi-language function to provide easier way for users’ usage in changing BIOS setting.

Note: The model name on this BIOS picture is for reference only. It may not be the exact model name.

Caution: By updating your motherboard, you

are taking a risk of BIOS flash failure. If your

motherboard is working stable, and there are

no major bugs that had been fixed by a latter

BIOS revision, we recommend that you DO

NOT try to upgrade your BIOS.

If you intent on upgrading, PLEASE BE SURE

to get the right BIOS revision for the right

motherboard model to avoid any possibility

failure.

MMKK7799 OOnnlliinnee MMaannuuaall

You may accomplish BIOS upgrade procedure with EzWinFlash by the following steps, and it’s STRONGLY RECOMMENDED to

close all the applications before you start the upgrading.

1. Download the new version of BIOS package zip file from AOpen official web site. (ex: http://english.aopen.com.tw/

2. Unzip the download BIOS package (ex: WMK79102.ZIP) with WinZip (http://www.winzip.com

3. Save the unzipped files into a folder, for example, WMK79102.EXE & WMK79102.BIN.

4. Double click on the WMK79102.EXE, EzWinFlash will detect the model name and BIOS version of your motherboard. If

you had got the wrong BIOS, you will not be allowed to proceed with the flash steps.

5. You may select preferred language in the main menu, then click [Start Flash] to start the BIOS upgrade procedure.

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

You may click [YES] to reboot Windows.

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

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

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

Warning: The new BIOS upgrade will

permanently replace your original

BIOS’s settings when flashing. You

may need to reconfigure your BIOS

setting so that your system can go

back to work as normal.

) in Windows environment.

)

MMKK7799 OOnnlliinnee MMaannuuaall

OOvveerrcclloocckkiinngg

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

different user's requirements. Reliability, compatibility, 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 who 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

166MHz when we design it to accommodate future CPU bus clock. Our lab test results shown that 157MHz is achievable when

proper setting and qualified components were presented, but not guarantee that it would work properly on your side. The CPU

clock ratio can be up to 12.5x that supports almost all of Athlon / Duron CPUs in the future and provides flexibility for

overclockers..

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, SDRAM, hard disks, and AGP VGA cards.

MMKK7799 OOnnlliinnee MMaannuuaall

VVGGAA CCaarrdd && HHaarrdd DDiisskk

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

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://english.aopen.com.tw/tech/report/overclk/mb/vga-oc.htm

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

MMKK7799 OOnnlliinnee MMaannuuaall

GGlloossssaarryy

AACC9977

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

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

onboard solution can be reduced.

AACCPPII ((AAddvvaanncceedd CCoonnffiigguurraattiioonn && PPoowweerr IInntteerrffaaccee))

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

management to operating system and bypass

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

power 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, 66MHz x 4bytes

x 8 =2.1GB/s. AOpen is the first company to support 4X AGP motherboards by both AX6C (Intel 820) and MX64/AX64 (VIA

694x), started from Oct 1999.

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

BIOS

PnP

MMKK7799 OOnnlliinnee MMaannuuaall

AAMMRR ((AAuuddiioo//MMooddeemm RRiisseerr))

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

to motherboard through AMR connector.

AAOOppeenn BBoonnuuss PPaacckk CCDD

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

other useful utilities.

AAPPMM ((AAddvvaanncceedd PPoowweerr MMaannaaggeemmeenntt))

Unlike ACPI, BIOS controls most APM power 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.

MMKK7799 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.

AATTAA//113333

ATA/133 is a new IDE specification under developing. ATA/133 uses both rising edge and falling edge as ATA/66 but clock cycle

time is reduced to 30ns. The data transfer rate is (1/30ns) x 2 bytes x 2 = 133MB/s. To use ATA/133, 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.

MMKK7799 OOnnlliinnee MMaannuuaall

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.

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 RRaattee)) RRAAMM

DDR RAM utilizes the existing SDRAM 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.

MMKK7799 OOnnlliinnee MMaannuuaall

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

Note that some old DIMMs are made by FPM/

operates at 2.5V..

DDMMAA ((DDiirreecctt MMeemmoorryy AAcccceessss))

Channel for communications between the memory and surrounding devices.

EDO

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.

SDRAM

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

, which operate at 3.3V.

MMKK7799 OOnnlliinnee MMaannuuaall

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.

EEVV66 BBuuss

EV6 Bus is the technology of Alpha processor from Digital Equipment Corporation. EV6 bus uses both rising and falling clock

edge to transfer data, similar as DDR RAM 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 package of Intel for Pentium III CPU. It can plug into SKT370 socket.

MMKK7799 OOnnlliinnee MMaannuuaall

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.

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.

MMKK7799 OOnnlliinnee MMaannuuaall

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.

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.

MMKK7799 OOnnlliinnee MMaannuuaall

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 // PPCC--22110000// PPCC--22770000 // PPCC--33220000 DDDDRR DDRRAAMM

Based on FSB frequency, the DDR DRAM has 200MHz, 266MHz and 333 MHz three types of working frequency. Because of

DDR DRAM data bus is 64-bit, it provides data transfer bandwidth up to 200x64/8=1600MB/s, 266x64/8=2100MB/s,

333x64/8=2700MB/s and 400x64/8=3200MB/s. Hence, the PC-1600 DDR DRAM is working with 100MHz, PC-2100 DDR DRAM

is working with 133MHz, PC-2700 DDR DRAM is working with 166MHz and PC-3200 DDR DRAM is working with 200MHz 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.

MMKK7799 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

. RDRAM is cascaded in channel operation. For Intel 820, only one RDRAM channel is supported, 16-bit data per

SDRAM

channel, and this channel may have maximum 32 RDRAM devices, no matter how many

RIMM

sockets.

MMKK7799 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

168-pin

SShhaaddooww E

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

battery-less design

DIMM

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

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

current motherboard design.

PBSRAM

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

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

EDO

MMKK7799 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)

developed as a proposed 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

to decide best timing for this DIMM or RIMM.

BIOS

interface. Ultra DMA was

MMKK7799 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, but the

newly designed USB2.0 has s fancy speed of up to 480Mbps) 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.

MMKK7799 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

MMKK7799 OOnnlliinnee MMaannuuaall

Continue

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

Turn on the power

Yes No

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.

MMKK7799 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.

MMKK7799 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.

MMKK7799 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://english.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://english.aopen.com.tw/tech/report/default.htm

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

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

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

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

MMKK7799 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, or on

component side of PCB. For example:

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

News Group: News posted by computer experts, you are welcome to join any discussion and learning from it.

http://english.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.

Part No. Serial No.

Serial No.Part No.

MMKK7799 OOnnlliinnee MMaannuuaall

MMooddeell nnaammee aanndd BBIIOOSS vveerrssiioonn

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

MK79 is model name of motherboard, R1.02 is BIOS version.

MK79 R1.02 Sept.01.2002 AOpen Inc.

Award Plug and Play BIOS Extension v1.0A

MMKK7799 OOnnlliinnee MMaannuuaall

PPrroodduucctt RReeggiissttrraattiioonn

Thank you for choosing AOpen product. AOpen encourages you to spend few minutes in completing the following product

registration. To register your product will ensure the high quality of services from AOpen. After the registration, you will:

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

exchange.

• Be upgraded to gold membership of Club AOpen program.

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

products contain technical issues.

• Receive email notification about latest product's announcements.

• Be able to personalize your AOpen web pages.

• Receive e-mail notification about latest BIOS/Driver/Software release 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, please submit a separate form for each product.

MMKK7799 OOnnlliinnee MMaannuuaall

America

AOpen America Inc.

Tel: 1-510-489-8928

Fax: 1-510-489-1998

Japan

AOpen Japan Inc.

Tel: 81-048-290-1800

Fax: 81-048-290-1820

HHooww ttoo CCoonnttaacctt UUss

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

Pacific Rim

AOpen Inc.

Tel: 886-2-3789-5888

Fax: 886-2-3789-5899

China

艾爾鵬國際貿易(上海)有限公司

Tel: 86-21-6225-8622

Fax: 86-21-6225-7926

Web Site: www.aopen.com

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

English http://english.aopen.com.tw/tech/default.htm

Japanese http://www.aopen.co.jp/tech/default.htm

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

German http://www.aopencom.de/tech/default.htm

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

Europe

AOpen Computer b.v.

Tel: 31-73-645-9516

Fax: 31-73-645-9604

Germany

AOpen Computer GmbH.

Tel: 49-1805-559191

Fax: 49-2102-157799

AOpen MK79 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

MK79

Chipset

Ultra DMA 33/66/100 Bus Master IDE

Expansion Slots

Memory

On-board AC97 Sound

Six USB (1.1) Connectors

Power Management/Plug and Play

Hardware Monitoring Management

Enhanced ACPI

Super Multi-I/O

Motherboard Map

STBY LED

IrDA Connector

ACR Slot

COM2 Connector