Rese
t
able Fuse
A
TX Power Connecto
r
SYSFAN2 Connector
A
GP 4x Expansion Slot
(For 1.5V AGP and ADD card only)
462-pin CPU Socket with Voltage and
Frequency Auto-Detection that supports
A
MD
TM
Athlon
TM
/ Duron
TM
/ and Athlon
TM
XP
nVIDIA nForce IGP and MCP-D
CPUFAN1 Connector
184-pin DIMMx2 supports
DDR266/200
(Max. to 1GB)
IDE Connector x2 (ATA33/66/100 supported)
FDD Connector
CD-IN Connecto
r
Onboard AC97 CODEC RealTek ALC202A
AUX-IN Connecto
r
JP17Host Clock Selection
32-bit PCI Expansion Slot x2
2
nd
USB (1.1) Port Connecto
r
WOL (Wake on LAN) Connecto
r
SYSFAN3
Front Audio Connecto
r
Front Panel Connecto
r
JP14 CMOS Data Clear Jum
p
e
r
STBY LED
Chassis Intrusion Sensor Connecto
r
JP28 Keyboard/Mouse Wakeup
2Mbit Phoenix Award Flash ROM
IrDA Connecto
r
PS/2 Mouse
Connector
SPP/EPP/ECP Parallel Port
USB1.1
Ports
PS/2 Keyboard
Connector
COM 1 Port
VGA Port
A
Open reserves the right to revise all the specifications and information contained in this documentation, which are subject to change without notice.
COM2 Connecto
r
A
GP LED
3
rd
USB (1.1) Port Connecto
r
ACR slot
MIC-In
Line-In
Speaker Out
Game Port
1. JP14 Clear CMOS
2. JP28 Keyboard/Mouse Wakeup 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: 49.8B101.001 DOC. NO: MK79-EG-E0210A
This Easy Installation Guide x 1
80-Wire IDE Cable x 1
Floppy Drive Cable x 1
Registration Card x 1
Bonus Pack CD disc x 1
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 factor
y
default setting is set to “Enable”(1-2), and you may disable this function by setting the jumper to 2-3.
You can clear CMOS to restore system default setting. To
clear the CMOS, follow the procedure below.
1. Turn off the system and unplug the AC power.
2. Remove ATX power cable from connector PWR2.
3. Locate JP14 and short pins 2-3 for a few seconds.
4. Return JP14 to its normal setting by shorting pin 1 & pin 2.
5. Connect ATX power cable back to connector PWR2.
Tip: When should I Clear CMOS?
1. Boot fail because of overclocking…
2. Forget password…
3. Troubleshooting…
Normal Operation
(default)
Clear CMOS
1
1
Pin 1
JP28
Enable Disable
(Default)
1
Pin 1
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.
5. Setting CPU Voltage & Frequency
4. JP17 Host Clock Selection
3. Installing CPU & Housing Fan
Note: Some CPU fans do not have
sensor pin, so that cannot support
fan monitorin
g
.
SYSFAN2 Connector
CPUFAN1 Connector
Setting CPU Core Voltage
The CPU core voltage will be automatically detected. It is not necessary to set CPU core
voltage.
Setting CPU Frequency
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 Setup
Core Frequency = CPU FSB Clock * CPU Ratio
CPU Ratio
From 5x to 16x step 0.5x
CPU FSB (By BIOS table)
100,102,103,106,133,138,143,146,150,153,157MHZ
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.
Warning: NVIDIA nForce IGP chipset supports 133MHz FSB (with
p
erformance reaches maximum 266MHz EV6 system bus) and 66MHz AGP
clock, higher clock setting may cause serious system damage.
GND
+12V
SENSOR
SYSFAN3 Connector
This jumper allows you to select different CPU Frequency. You may set pin 1-2 for 100MHz o
r
pin 2-3 for 133MHz.
A
dditionally, 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.
GND
+12V
SENSOR
GND
+12V
SENSOR
133MHz 100MHz
(Default)
1
JP17 Host Clock
Select Jumper
Pin 1
USB3 Connector
Secondary
Slave
(
4th
)
Secondary
Master
(
3rd
)
Primary
Master
(
1st
)
Primary
Slave (2nd)
USB2 Connector
7. Support 2
nd
and 3
rd
USB Ports (1.1)
6. COM2 Connector
9. Connecting Front Panel Cable
This 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 cable to connect the other USB connector to the back panel or front panel
of chassis.
A
ttach the power LED, speaker, and reset switch connector
s
to the corresponding pins. If you enable “Suspend Mode
”
item in BIOS Setup, the ACPI & Power LED will kee
p
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.
8. Connecting IDE, Floppy Cables
Pin 1
ATA 33/66/100
IDE Connecto
r
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.
IDE 2 Secondary
IDE 1 Primary
Pin 1
+5V
GND
2
1
+5
V
NC
KE
Y
GND
SBD3-
SBD2-
SBD3+
SBD2+
1
SPWR
GND
ACPI LED-
GND
ACPILED
NC
ACPI_B
GND
RESET
GND
NC
NC
+5
V
IDE LED
IDE LED
+5
V
+5
V
GND
NC
SPEAKE
R
Pin 1
FDD Connector
Pin 1
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 bac
k
panel of chassis.
Pin 1
1 2
DOD#
SOUT
GND
RI#
RTS#
SIN
DTR#
CTS#
DSR#
KEY
COM2
C
onnecto
r
1
Speaker
IDE LED
SPWR
ACPI & PWR
LED
Reset
ACPI LED
(
Blue
)
Connector Pin1 Pin2 Pin3 Pin4
CD-IN
Left GND GND Right
AUX-IN
Left GND GND Right
11. Front Audio Connector
10. Connect IrDA Connector
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
12. Connecting CD-IN/AUX-IN Connectors
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.
Pin 1
13. ACR Slot
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 o
f
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.
IrDA Connector
1
KEY
GND
IR_RX
NC
+5V
IR_TX
A
UD_MIC
A
UD_MIC_BIAS
A
UD_FPOUT_
R
NC
AUD_FROUT_L
AUD_GND
AUD_VCC
AUD_RET_R
KEY
AUD_RET_L
9 10
1 2
A
CR Slot
The CD-IN connector is used to connect CD
A
udio cable from CDROM or DVD drive to
onboard sound.
This AUX-IN connector is used to connect MPEG
Audio cable from MPEG card to onboard sound.
AUX-IN (green)
CD-IN (Black)
A
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.
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
14. Power-on and Load BIOS Setup
15. AOpen Bonus Pack CD
You can use the autorun menu of Bonus CD disc. Choose the utility and driver and selec
t
model name.
Del
Warning: Please avoid of using "Load
Turbo Defaults", unless you are sure
y
our system components (CPU,
SDRAM, HDD, etc.) are good enough for
turbo settin
g
.
Warning: The upgrade of new BIOS will permanently replace your original BIOS
content after flashing. The original BIOS setting and Win2000/WinXP PnP
information will be refreshed and you probably need to re-configure your system.
17. BIOS Upgrade under Windows Environment
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
) in Windows environment.
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 star
t
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, choose "Load Setup Defaults", then
“Save & Exit Setup”. Done!
16. Installing nVIDIA nForce Drivers
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 component side of PCB. For example:
Model name and BIOS version
MK79 R1.02 Oct. 01. 2002 AOpen Inc.
Award Plug and Play BIOS Extension v1.0A
Copyright © 1998, Award Software, Inc.
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
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
r
or local distributor for repairing.
Perhaps your VGA card or monito
r
is defective.
No
Yes
No
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
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
s
y
stem reboots.
Turn off the system and
re-connect the IDE cable.
Check if the system can
reboot successfully.
End
No
No
P/N: 91.88110.201 is part number, S/N: 91949378KN73 is serial number.
Part No. Serial No.
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
p
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!
A
Open 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
1
1
Test Report: We recommend to choose board/card/device from the
compatibility test reports for assembling your PC.
http://english.aopen.com.tw/tech/report/default.htm
2
2
FAQ: The latest FAQ (Frequently Asked Questions) may contain a
solution to your problem.
http://english.aopen.com.tw/tech/faq/default.htm
5
5
Download Software: Check out this table to get the latest updated
BIOS/utility and drivers.
http://english.aopen.com.tw/tech/download/default.htm
3
3
News Group: News posted by computer experts. You are welcome to join
any discussion there.
http://english.aopen.com.tw/tech/newsgrp/default.htm
4
4
Contact Distributors/Resellers: We sell our products through resellers
and integrators. They should know your system configuration very well and
should be able to solve your problem efficiently and provide important
reference for you if next time you want to buy something else from them.
6
6
Contact Us: Please prepare detail system configuration and error symptom
before contacting us. The part number, serial number and BIOS version
are also very helpful.
7
7
Web Site: http://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
Pacific Rim
AOpen Inc.
Tel: 886-2-3789-5888
Fax: 886-2-3789-5899
America
AOpen America Inc.
Tel: 1-510-489-8928
Fax: 1-510-489-1998
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
China
艾爾鵬國際貿易(上海)有限公司
Tel: 86-21-6225-8622
Fax: 86-21-6225-7926
Japan
AOpen Japan Inc.
Tel: 81-048-290-1800
Fax: 81-048-290-1820
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AOpen MK79 Installation guide
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