AOpen MK7A Datenblatt

PS/2 Mouse

Connecto

PS/2 Keyboard

Connecto

USB Port

SPP/EPP/ECP

Parallel Port

COM 1 Port COM 2 Port

Game Port

MIC-In

Line-In

Speaker Out

JP17 & 18 Audio Amp. Select Jumpe

MODEM-IN Connecto

Onboard AC97 CODEC

CD-IN Connecto

32-bit PCI Expansion Slot x3

Supports 2nd USB Port

JP9 & 10 FSB Select Jumpe

JP14 CMOS Clear Jumpe

WOL Connecto

IrDA Connecto

Front Panel Connecto

2Mbit Flash ROM BIOS

FDD Connecto

ATA/100 IDE Connector x2

Resettable Fuse

Low ESR Capacitor

and Three-Phase Power Solution

CPU Temperature Sensor

GP 4X Expansion Slot

CPU Fan Connector

with H/W Monitoring Function

TX Power Connecto

DDR SDRAM Socket x2

supports maximum up to 2GB

JP7 hardware monitor connector

JP19 System Thermal Sensor connector

MD®761Chipset

462-pin CPU Socket

with Voltage/Frequency Auto-detection

that supports AMD®Athlon®& Duron®

600MHz~1GHz+ CPU

Pin 1

1. JP14 Clear CMOS

2. JP 17 & JP18 Amplify Select Jumper

Everything you need to boot this

motherboard is included in this

Easy Installation Guide. For more

information, a complete Online

User's Manual can be found in the

Bonus Pack CD Disc. Thanks for

the help of saving our earth.

PART NO: 49.89C01.001 DOC. NO: MK7A-EG-E0108E

Hard Drive IDE Cable x 1

80-Wire IDE Cable x 1

Floppy Drive Cable x 1

Bonus Pack CD x 1

This Easy Installation Guide x 1

Motherboard x 1

This motherboard provides two kinds of audio amplify solution for you choose. If you want to use a

headphone or a speaker without amplifier and connect with “Speaker Out” jack (on the PC99 back plane),

please short the pin 2-3 and 5-6 of JP17, then pin 1-2 and 4-5 of JP18 to enable the audio amplify circuit.

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

the CMOS, follow the procedure below.

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

2. Remove ATX power cable from connector PWR2.

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

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

5. Connect ATX power cable back to connector PWR2.

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

Normal Operation

(default) Clear CMOS

JP18

JP17

1 4

3 6

JP17

JP18

Enable Amp.

1 4

3 6

JP17

JP18

Disable Amp. (Default)

1. Pull up the CPU socket lever and up to

90-degree angle.

2. Locate Pin 1 in the socket and look for a

(golden) cut edge on the CPU upper interface.

Match Pin 1 and cut edge. Then insert the

CPU into the socket.

3. Press down the CPU socket lever and finish

CPU installation.

Plug in the CPU fan cable to the 3-pin FN2 connector. If you have chassis fan, you can

also plug it on FN1 connector.

CPU CPU Core

Frequency EV6 Bus

Clock Ratio

Athlon 750 750 MHz 200 MHz 7.5x

Athlon 800 800 MHz 200 MHz 8x

Athlon 850 850 MHz 200 MHz 8.5x

Athlon 900 900 MHz 200 MHz 9x

Athlon 950 950 MHz 200 MHz 9.5x

Athlon 1G 1 GHz 200 MHz 10x

Athlon 1.1G 1.1 GHz 200 MHz 11x

Athlon 1.2G 1.2 GHz 200 MHz 12x

Athlon 1.3G 1.3 GHz 200 MHz 13x

Athlon 1.4G 1.4 GHz 200 MHz 14x

Athlon 1G 1 GHz 266 MHz 7.5x

Athlon 1.13G 1.13 GHz 266 MHz 8.5x

Athlon 1.2G 1.2 GHz 266 MHz 9x

Duron 650 650 MHz 200 MHz 6.5x

Duron 700 700 MHz 200 MHz 7x

Duron 750 750 MHz 200 MHz 7.5x

Duron 800 800 MHz 200 MHz 8x

Duron 850 850 MHz 200 MHz 8.5x

Duron 900 950 MHz 200 MHz 9x

Duron 950 950 MHz 200 MHz 9.5x

5. Setting CPU Voltage & Frequency

4. Installing CPU & Housing Fan

3. Installing CPU

Note: If you do not match the CPU

socket Pin 1 and CPU cut edge well, it

dama

e the CPU.

CPU socket lever

CPU Pin 1 and cut edge

Note: Some CPU fans do not have

sensor pin, so that cannot support

fan monitoring.

Full-range Auto-Detect CPU Core Voltage

This motherboard supports CPU VID function. The CPU core voltage will be automaticall

detected and the range is from 1.1V to 1.85V.

Supported CPU Frequency

Core Frequency = CPU Bus Clock * CPU Ratio

EV6 Bus Speed = CPU Bus Clock x 2

PCI Clock = CPU Bus Clock / Clock Ratio

GP Clock = PCI Clock x 2

Tip: If your system hangs or fails to boot because of

overclocking, simply use <Home> key to restore the default

setting (433MHz) or you can wait the AOpen “Watch Dog Timer”

reset the system in five seconds and system will auto-detect

hardware again.

Warning: AMD-761TM chipset supports maximum 133MHz FSB

and 66MHz AGP clock, higher clock setting may cause serious

system damage.

GND

+12V

SENSOR

CPU Fan Connector

Fan2 Connector

GND SENSOR

+12V

Pin 1

7. Install DIMM Modules

6. JP9 & JP10 Setting CPU EV6 Bus Frequency 8. Connecting IDE and Floppy Cables

9. Connecting Front Panel Cable

This motherboard comes with the AMD-761 system controller that supports 200/266MHz

EV6 bus speed. Please set the proper CPU EV6 bus frequency by JP9 and JP10.

The DDR SDRAM interface allows zero wait state bursting between the DRAM and the

data buffers at 100 or 133MHz. The two 184-pin sockets, four banks of DDR DRAM can

be composed of an arbitrary mixture of 64M/128M/256M/512M/1GB DRAMs and

maximum up to 2GB.

Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE

connector. Be careful of the pin1 orientation. Wrong orientation may cause system

damage.

Warning: The wrong jumper

setting may cause the CPU or

system has unexpected damage.

Pin 1 ATA 33/66/100

IDE Connector

FDD Connector

Speaker

IDE LED

SPWR

+ ACPI & PWR

LED

Reset

SPWR

GND

ACPI LED-

GND

ACPI LED+

GND

RESET

GND

IDE LED

GND

SPEAKE

ttach the power LED, speaker, and reset switch connectors

to the corresponding pins. If you enable “Suspend Mode”

item in BIOS Setup, the ACPI & Power LED will keep

flashing while the system is in suspend mode.

Locate the power switch cable from your ATX housing. It is

2-pin female connector from the housing front panel. Plug

this connector to the soft-power switch connector marked

SPWR

DIMM1

DIMM2

Warning: The MK7A only supports

DDR SDRAM, please do not install

the SDRAM on it; this will cause the

memory sockets or DDR SDRAM

module damage.

IDE CH 2 (Secondary)

IDE CH 1 (Primary)

JP9

JP10

Host Clock=200MHz

(Default)

3 6

1 4

JP9

JP10

1 6

Host Clock=266MHz 1 4

JP9

JP10

3 6

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

right direction.

12. Connecting CD-IN / MODEM-CN Cables

13. Connecting 2nd USB Port

10. Connecting ATX Power Connector

11. Connect IrDA Connector

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, UART mode select, make sure to have the correct orientation when

you plug in the IrDA connector.

This motherboard supports three USB ports and provides four USB connectors. Two o

them are on the PC99 colored back panel, and 2nd port connector at left side o

motherboard. You can use proper cable to connect others USB connectors to the back

plane or front panel of chassis.

The CD-IN connector is used to connect CD Audio

cable from CDROM or DVD drive to onboard sound.

The MODEM-IN connector is used to connect Mono

IN/MIC Out cable from internal modem card to

onboard sound circuit.

CD-IN (Black)

Connector Pin1 Pin2 Pin3 Pin4

CD-IN Left GND GND Right

MODEM-IN Mono In GND GND Mic Out

MODEM-IN

(Green)

Pin 1

+12V

5VSB

PW-O

COM

+5V

COM

+5V

COM

+3.3V

+5V

-5V

COM

PS-ON

COM

-12V

+5V

IRR

GND

IRT

Pin 1

GND

SBD2+

SBD2-

+5V

GND

SBD3+

SBD3-

+5V

1 2

9 10

fter 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.

14. Power-on and Load BIOS Setup

15. AOpen Bonus Pack CD 17. BIOS Upgrade

Open Easy Flash is much more user-friendly than traditional flash method. The BIOS

binary file and flash routine are combined together and you simply run a single file to

complete the flash process.

1. Download new BIOS upgrade zipped file from AOpen's web site. For example,

MK7A102.ZIP.

2. Run shareware PKUNZIP (http://www.pkware.com/) which supports

miscellaneous operation systems to extract the binary BIOS file and the flash

utility. Or Winzip (http://www.winzip.com/) in Windows environment.

3. Save the unzipped file into a bootable floppy disk.

For example, MK7A102.BIN & MK7A102.EXE

4. Reboot the system to DOS mode without loading any memory handler (such as

EMM386) or device driver. It needs around 520K free memory space.

5. Execute A:> MK7A102 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, Choose "Load Setup

Defaults", then “Save & Exit Setup” and finish the BIOS upgrade.

Warning: The upgrade of new BIOS will permanently replace your original BIOS

content after flashing. The original BIOS setting and Win95/Win98 PnP information

will be refreshed and

robabl

need to re

confi

ure

our s

stem.

16. Installing Onboard Sound Driver

You can use the autorun menu of Bonus CD disc. Choose the utility and driver and select

model name.

Del

Warning: Please avoid of using "Load

Turbo Defaults", unless you are sure

our system components (CPU, DRAM,

HDD, etc.) are good enough for turbo

settin

This motherboard comes with an AD 1885 AC97 CODEC, you can find the audio drive

from the Bonus Pack CD disc auto-run menu.

If you encounter any trouble to boot you system, follow the procedures

accordingly to resolve the problem.

Part Number and Serial Number

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:

Model name and BIOS version

MK7A R1.00 Jan. 11. 2001 AOpen Inc.

ward Plug and Play BIOS Extension v1.0A

Model name and BIOS version can be found on upper left corner of first boot screen

(POST screen). For example:

P/N: 91.88110.201 is part number, S/N: 91949378KN73is serial number.

MK7A is model name of motherboard; R1.00 is BIOS version

Make sure if the jumper settings for CPU and DRAMs are correct.

Clear CMOS.

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

The problem was probably caused

by power supply or motherboard

failure. Please contact your reselle

or local distributor for repairing.

Perhaps your VGA card or monito

is defective.

Yes

It is very possible that your keyboard

is defective.

During system rebooting, press Del to enter BIOS Setup. Choose

“Load Setup Default".

The problem should be caused by the

IDE cables or HDD itself.

Re-install Windows 95, Windows 98 or Windows NT.

Yes

Turn off the power and unplug the AC power cable, then remove all

of the addon cards and cables, including VGA, IDE, FDD, COM1,

COM2 and Printer.

Turn on the power, and check if

the power supply and CPU fan

work properly.

Start

Check if there is display.

Press Ctrl, and Alt key at the

same time, hold them and then

press Del to see if the

stem reboots.

Turn off the system and

re-connect the IDE cable.

Check if the system can

reboot successfully.

End

Part No. Serial No.

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

hone-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!

Open 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 to choose 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

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.

before contacting us. The part number, serial number and BIOS version

are also very helpful.

Web Site: www.aopen.com

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

Pacific Rim

Open Inc.

Tel: 886-2-2696-1333

Fax: 886-2-8691-2233

merica

Open America Inc.

Tel: 1-510-498-8928

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

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

China

艾尔鹏国际上海(股)

有限公司

Tel: 49-2102-157700

Fax: 49-2102-157799

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