AOpen MX34 Datenblatt

2Mbit Flash ROM

Multilanguage BIOS

Virus Protection

Wake On RTC Time

IrDA Connecto

JP14 Clear CMOS

VIA 694X Chipset

Support 133MHz FSB Clock

Battery-less &

long-life Design

WOL

Wake on LAN

Resettable Fuse

PC99 Back Panel

Socket370 CPU with Voltage and

Frequency Auto-detection

supports Intel®Pentium®III & Celeron™

300MHz~1GHz+ CPU

CPU Jumper-less Design

Over-current Protection

Thermal Protection

CPU Fan Connecto

System Voltage & Fan Monitoring

TX Power Connecto

C Power Auto Recovery

Housing Fan

WOM

Wake on Modem

Front Panel Connecto

168-pin DIMM Socket x3

orts PC100/133 SDRAM u

to 1.5GB

TA/66 IDE Connector

Suspend to HDD

(

ATA/100 for o

tional

)

4X AGP Expansion Slot

JP12 Onboard Sound

AUX-IN

Modem-CN

JP23/JP29

FSB/PCI Clock Ratio

USB2 Connecto

PS/2 Mouse

Connecto

PS/2 Keyboard

Connecto

USB Port

SPP/EPP/ECP Parallel Port

COM 1 Port COM 2 Port

MIDI/Game Port

MIC-In

Line-In

Speaker Out

Front Audio Connecto

CD-IN

FDD Connector

Buzzer

1. JP14 Clear CMOS

This motherboard has AC97 sound onboard. JP12 is used to enable or disable onboard AD1885

CODEC chip. If you select Disable, you can use your preferred PCI sound card.

2. JP12 Enable/Disable Onboard Audio

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. Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

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

the CMOS, follow the procedure below.

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

2. Remove ATX power cable from connector PWR2.

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

4. Return JP14 to its normal setting by shorting pins 1-2.

5. Connect ATX power cable back to connector PWR2.

PART NO.: 49.88502.007 DOC. NO.: MX34-EG-E0103D

DisableEnable

Normal Operation

(default) Clear CMOS

Hard Drive IDE Cable x 1

80-Wire IDE Cable x 1

Floppy Drive Cable x 1

Bonus Pack CD disc x 1

This Easy Installation Guide x 1

This jumper is used to specify the relationship of PCI and FSB clock. Generally speaking,

we suggest you do not change the default setting. But for overclocking, changing these

umper settings becomes necessary. For example, you must set JP29 to “5-6” and JP23 to

“3-4” if you want to overclock a 66MHz FSB clock CPU to 100MHz or higher.

3. Installing CPU and Fan 4. JP29/JP23 FSB/PCI Clock Ratio

Plug CPU to Socket370 connector. Be careful of

CPU orientation. Plug in the fan cable to the 3-pin

CPUFAN or FAN connector.

GND

+12V

SENSOR

Auto-Dectect CPU Core Voltage

This motherboard supports Celeron / Pentium III CPU VID function. The CPU

core voltage will be automatically detected and the range is from 1.3V to 3.5V.

Setting CPU Frequency

The CPU frequency selection is set by going into:

BIOS Setup > Chipset Features Setup > CPU Clock Ratio

CPU Ratio 1.5x, 2x, 2.5x, 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x, 7.5x, and 8x

CPU FSB 66.8, 75, 83.3, 100, 103, 105, 110, 112, 115, 120, 124, 133,

140, and 150 MHz.

Core Frequency = CPU FSB Clock * CPU Ratio

CPU CPU Core Frequency FSB Clock Ratio

CELERON 300A 300MHz 66MHz 4.5x

CELERON 600 600MHz 66MHz 9x

CELERON 700 700MHz 66MHz 10.5x

CELERON 800 800MHz 100MHz 8x

CELERON 850 850MHz 100MHz 8.5x

Pentium!!! 700E 700MHz 100MHZ 7x

Pentium!!! 750E 750MHz 100MHZ 7.5x

Pentium!!! 800E 800MHz 100MHZ 8x

Pentium!!! 850E 850MHz 100MHZ 8.5x

Pentium!!! 733EB 733MHz 133MHZ 5.5x

Pentium!!! 866EB 866MHz 133MHZ 6.5x

Pentium!!! 933EB 866MHz 133MHZ 7x

Pentium!!! 1G 1GHz 133MHZ 7.5x

Pentium!!! 1.13G 1.13GHz 133MHz 8.5

Note: Some CPU fans do not have

sensor pin, so that cannot support

fan monitoring.

Warning: VIA694x chipset supports maximum 133MHz FSB and

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

damage.

Home

Tip: If your system hangs or fails to boot

because of overclocking, simply use

<Home> key to restore the default setting

(233MHz).

Clock Ratio CPU (Host) PCI AGP Memory

2X 66 33 66 PCI x2 or x3

3X 100 33 66 PCI x2 or x3 or x4

3X, overclocking 112 37.3 74.6 PCI x2 or x3 or x4

4X 133 33 66 PCI x3 or x4

4X, overclocking 150 37.5 75 PCI x3 or x4

JP29 JP23

(

133~150MHz

)

(

100~124MHz

)

(

66~83MHz

)

JP29 JP23 JP29 JP23

Auto

(

default

)

JP29 JP23

JP29

JP23

Tip: The driving capability of new generation

chipset is limited due to the lack of a memory buffer

(to improve performance). This makes DRAM chip

count an important factor to take into consideration

when you install DIMMs. Unfortunately, there is no

way that the BIOS can identify the correct chip

count, you need to calculate the chip count by

yourself. The simple rule is: By visual inspection,

use only DIMMs which are less than 18 chips..

6. Connecting IDE and Floppy Cable

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

connector. The blue connector is IDE1 for clear identification. Be careful of the pin1

orientation. Wrong orientation may cause system damage.

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.

5. Connecting Front Panel Cable

Locate the power switch cable from your AT

housing. It is 2-pin female connector from the housing

front panel. Plug this connector to the soft-powe

switch connector marked SPWR.

8. Connecting CD/Modem Audio

7. Configuring System Memory

This motherboard has three 168pin DIMM sockets

that allow you to install system memory up to

1.5GB. SDRAM, VCM SDRAM, Registered

SDRAM are supported.

DIMM1

DIMM2

DIMM3

Pin 1

The CD-IN connector is used to connect CD

udiocable from CDROM or DVD drive to

onboard sound.

The Modem-CN connector is used to connect

Mono In/ Mic Out cable from internal modem

card to onboard sound circuit.

The AUX-IN connector is used to connect

MPEG Audio cable from MPEG card to onboard

CD-IN

Pin 1

Slave (4th)

Master (1st)Slave (2nd)

Master (3rd)

FDC

Pin 1

IDE 2

IDE 1

SPWR

GND

ACPI & PWR LED

GND

+5V

GND

RESET

GND

KEYLOC

IDE LED

GND

SPEAKE

Speaker

IDE LED

Keylock

SPWR

+ACPI &

Power LED

Reset

Connector Pin1 Pin2 Pin3 Pin4

CD-IN Left GND GND Right

Modem-CN Mono In GND GND Mic Out

AUX-IN Left GND GND Right

Modem-CN

AUX-IN

9. Connecting ATX Power Connector

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

the right direction.

10. Connecting 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.

+5V

IRRX

GND

IRTX

Pin 1

12. Front Audio

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

connect onboard audio to front panel through this connector. By the way, please

remove the jumper cap from the Front Audio Connector before you connect the cable.

Do not remove this yellow jumper cap if housing without an audio port on the front

panel.

Pin 1

+5V

+3.3V

COM

COM COM

COM

COM COM

-5V

COM

-12V

PS-ON

PW-OK

+12V

5VSB

MIC_IN2

VREFOUT

PHONE_R

PHONE_L

GND

+5V

1 2

9 10

11. Support 2nd USB Port

This motherboard supports four USB ports. Two of them are on back panel connector,

the other two are on the left-bottom area of this motherboard. With proper cable, you

can connect them to front panel.

1 2

D3-

D3+

GND

+5V

D2-

D2+

GND

9 10

fter you finish the setting of jumpers and connect correct cables. Powe

on and enter the BIOS Setup, press <Del> during POST (Power On Sel

Test). Choose "Load Setup Defaults" for recommended optimal

performance.

13. Power-on and Load BIOS Setup

14. AOpen Bonus Pack CD 16. BIOS Upgrade

Open Easy Flash is more use

-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,

MX34102.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, MX34102.BIN & MX34102.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:> MX34102 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 you probably need to re-configure your system.

15. 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 your system components (CPU,

DRAM, HDD, etc.) are good enough

for turbo setting.

If this motherboard comes with an AD 1885 AC97 CODEC, you can find the audio

driver from the Bonus Pack CD disc autorun menu.

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

procedures accordingly to resolve the problem.

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

Clear CMOS.

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

Turn on the power, and check if the power supply and CPU

fan work properly.

Start

The problem was probably caused by

power supply or motherboard failure.

Please contact your reseller or local

distributor for repairing.

Check if there is display. Perhaps your VGA card or monitor is

defective.

Yes

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

press Del to see if the system reboots. No It is very possible that your keyboard is

defective.

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

Setup Default".

Turn off the system and re-connect the IDE cable.Check

if the system can reboot successfully. The problem should be caused by the

IDE cables or HDD itself.

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

Yes

End

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.

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

MX34 R1.00 Jan. 01. 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: 91949378KN73 is serial number.

MX34 is model name of motherboard, R1.00 is BIOS version.

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 and 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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