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IrDA Connector
4-pin 12V. ATX Power Connector
S/PDIF Connector
Chassis Intrusion Sensor Connector
CD-IN Connector
2
nd
USB V.1.1 Port Connector
Front Panel Connector
WOL (Wake ON LAN) Connector
CNR Expansion Slot
Onboard AC97 CODEC RealTek ALC201A
MODEM-CN Connector
32-bit PCI Expansion Slot x3
Front Audio Connector
RealTek RTL8100BL
FDD Connector
IDE Connector x2 (ATA/66/100/133 supported)
FAN2 Connector with H/W Monitoring
JP14 CMOS Data Clear Jumper
System & RAM Power Indicate LED
JP21 FSB Select Jumper
2Mbit Flash ROM
184-pin DIMMx2 supports
DR333/DDR266/DDR200
(Max. to 2GB)
VIA
®
Apollo KT333 Chipset and VT8233A SB
(ATA100/133 supported)
462-pin CPU Socket with Voltage and
Frequency Auto-Detection that supports
AMD
TM
Athlon
TM
/ Duron
TM
/ and
Athlon
TM
XP
AGP 4x Expansion Slot
JP28 Wakeup on Keyboard/Mouse
CPU Fan Connector with H/W Monitoring
FAN3 Connector
ATX Power Connector
Resettable Fuse
RJ45 10/100
LAN Jack
Game Port
COM 2 Port COM 1 Port
SPP/EPP/ECP
Parallel Port
USB Port
(V1.1)
PS/2 Keyboard
Connector
PS/2 Mouse
Connector
MIC-In
Line-In
Speaker Out
1. JP14 Clear CMOS
Pin 1
2. S/PDIF (Sony/Philips Digital Interface) Connector
S/PDIF (Sony/Philips Digital Interface) is a newest audio transfer file format, which provides impressive
quality through optical fiber and allows you to enjoy digital audio instead of analog audio. Normally there are
two S/PDIF outputs as shown, one for RCA connector, the most common one used for consumer audio
products, and the other for optical connector with better audio quality. Through a specific audio cable, you
can connect the S/PDIF connector to other end of the S/PDIF audio module, which bears S/PDIF digital
output. However, you must have a S/PDIF supported speaker with S/PDIF digital input to connect to the
S/PDIF digital output to make the most out of this function.
Normal Operation
(default)
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 pin 1 & pin 2.
5. Connect ATX power cable back to connector PWR2.
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.
Pin 1
1
1
Clear CMOS
This Easy Installation Guide x 1
80-Wire IDE Cable x 1
Floppy Drive Cable x 1
Bonus Pack CD disc x 1
Registration Card x 1
Audio
cable
Connecting to
Optical Cable
Connecting to
RCA Cable
S/PDIF Module
+5VSB
NC
S/PDIFOUT
GND
S/PDIFIN
1
PART NO: 49.88D03.001 DOC. NO: MK77333-EG-E0204A
Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have chassis fan, you
can also plug it on FAN2 or FAN3 connector.
3. Connecting ATX Power Connector
5. Setting CPU Voltage & Frequency
Due to the increasing power consumption come with higher frequency of K7 CPU, this
motherboard considerately comes with a 4-pin (12V) ATX power connector to provide
sufficient power supply to CPU directly for the better stability and smoother running of your
system. However, please note that this type of 20-pin and 4-pin ATX power connector is
suitable for power supply tailored made for Pentium 4-alike motherboard only. Therefore, it
is a MUST to use Pentium4-alike power supply. Please do not use power supply of
Pentium III-alike to support this motherboard. Besides, please make sure you plug in the
right direction.
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 5.5x to 12.5x step 0.5x
CPU FSB (Adjustment
manually)
FSB=100, 100~132 by 1MHz stepping adjustment technology
FSB=133, 133~166 by 1MHz stepping adjustment technology
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
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
COM
-5V
Ground
12V
12V
Ground
COM
+5V
+5V
+12V
5VSB
PO-OK
COM
+5V
COM
PS-ON
COM
-12V
+3.3V
+3.3V
+3.3V
COM
+5V
COM
4. Installing CPU & Housing Fan
Fan3 Connector
GND
+12V
Sensor
GND
+12V
SENSOR
Warning: VIA
®
Apollo KT333 chipset supports 133MHz FSB (with performance
reaches maximum 266MHz EV6 system bus) and 66MHz AGP clock, higher
clock setting may cause serious system damage.
CPU Fan Connector
Tip: If your system hangs or fails to boot because of
overclocking, simply use <Home> key to restore the default
setting or you can wait the AOpen “Watch Dog Timer” reset
the system in five seconds and system will auto-detect
hardware again.
GND
+12V
Sensor
Note: Some CPU fans do not have
sensor pin, so that cannot support
fan monitorin
g
.
Fan2 Connector
1
USB2 Connector
7. Support 2
nd
USB Ports
133MHz
1
100MHz
(Default)
1
Warning: High CPU
core voltage may be
able to increase CPU
speed for overclocking,
but you may damage
the CPU or reduce the
CPU lifec
y
cle.
This jumper is used to specify the relationship of PCI and FSB clock. Generally speaking, if
you are not overclockers, we recommend you to set at the default setting. Additionally, this
motherboard also provides “1MHz Stepping Adjustment” feature for overclockers to adjust
CPU FSB frequency via BIOS setup program. Based on the CPU type, the adjustment
range has two levels: 100~132 (FSB=100, such as Athlon 800), 133~166 (FSB=133, such
as Athlon 1000) MHz for your choosing. You may also choose a specific FSB frequency
ranging from 100~117 (say, 105, 110, 115 for example) and 120~156 with reference to a
frequency table in BIOS setup program. If you fix the CPU FSB frequency by JP21, the
“1MHz Stepping Adjustment” range will be changed and following JP21 setting.
6. JP21 FSB/PCI Clock Ratio
9. Connecting Front Panel Cable
Speaker
IDE LED
+
+
+
SPWR
+
+
ACPI & PWR
LED
Pin 1
IDE 1
IDE 2
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.
FDD Connector
ATA 66/100/133
IDE Connector
Pin 1
8. Connecting IDE, Floppy Cables
Reset
This motherboard provides four USB
connectors to connect USB devices, such as mouse,
keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You
can use proper cable to connect the other USB connector to the back panel or front panel
of chassis.
Pin 1
GND
USB_FP_OC0
USB_FP_P1+
USBPWR0
USB_FP_P1-
KEY
GND
USB_FP_P0+
USB_FP_P0-
USBPWR0
2 1
1
NC
NC
+5V
IDE LED
IDE LED
+5V
+5V
GND
NC
SPEAKER
SPWR
GND
ACPI LED-
GND
ACPILED
NC
NC
GND
RESET
GND
Attach 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.
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.
12. BIOS Upgrade under Windows environment
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.
10. Connect IrDA Connector
IrDA Connector
Pin 1
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
IR R
X
IR T
X
NC
KEY
GND
11. Front Audio Connector
1 2
Pin 1
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.
AUD_MIC
AUD_MIC_BIAS
AUD_FPOUT_R
NC
AUD_FROUT_L
9 10
AUD_GND
AUD_VCC
AUD_RET_R
KEY
AUD_RET_L
15. Installing VIA 4in1 Driver
13. Power-on and Load BIOS Setup
You can install the VIA 4 in 1 driver (IDE Bus master (For Windows NT use), VIA ATAPI
Vendor Support Driver, VIA AGP, IRQ Routing Driver (For Windows 98 use), VIA Registry
(INF) Driver) from the Bonus Pack CD disc auto-run menu.
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: To take advantage of ATA133, it is a must to
install the latest version of VIA 4in1 driver in the Bonus CD.
For Windows2000, it cannot supports ATA133 even after
installing the latest version of VIA 4-in-1 driver until the new
release of Service-Pack 3 from Microsoft.
Warning: Please avoid of using "Load
Turbo Defaults", unless you are sure
your system components (CPU,
SDRAM, HDD, etc.) are good enough for
turbo settin
g
.
14. AOpen Bonus Pack CD
16. BIOS Upgrade
AOpen Easy Flash is a 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,
MK77333102.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, MK77333102.BIN & MK77333102.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:> MK77333102 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.
You can use the autorun menu of Bonus CD disc. Choose the utility and driver and select
model name.
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.
Part Number and Serial Number
If you encounter any trouble to boot you system, follow the procedures
accordingly to resolve the problem.
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:
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
Serial No.
Part No.
Part No. Serial No.
P/N: 91.88110.201 is part number, S/N: 91949378KN73 is serial number.
Model name and BIOS version
Model name and BIOS version can be found on upper left corner of first boot screen
(POST screen). For example:
MK77-333 R1.00 Feb. 01. 2001 AOpen Inc.
Award Plug and Play BIOS Extension v1.0A
Copyright © 1998, Award Software, Inc.
MK77-333 is model name of motherboard; R1.00 is BIOS version
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.
6
6
FAQ: The latest FAQ (Frequently Asked Questions) may contain a
solution to your problem.
http://www.aopen.com/tech/faq/default.htm
3
3
Download Software: Check out this table to get the latest updated
BIOS/utility and drivers.
http://www.aopen.com/tech/download/default.htm
News Group: News posted by computer experts, you are welcome to join
any discussion and learning from it.
http://www.aopen.com/tech/newsgrp/default.htm
4
4
5
5
Test Report: We recommend to choose board/card/device from the
compatibility test reports for assembling your PC.
http://www.aopen.com/tech/report/default.htm
2
2
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
Online Manual: Please check the manual carefully and make sure the
jumper settings and installation procedure are correct.
http://www.aopen.com/tech/download/manual/default.htm
1
1
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
Pacific Rim
AOpen Inc.
Tel: 886-2-3789-5888
Fax: 886-2-3789-5899
China
艾尔鹏国际上海(股)有限公司
Tel: 86-21-6225-8622
Fax: 86-21-6225-7926
Japan
AOpen Japan Inc.
Tel: 81-048-290-1819
Fax: 81-048-290-1820
Germany
AOpen Computer GmbH.
Tel: 49-2102-157700
Fax: 49-2102-157799
Europe
AOpen Computer b.v.
Tel: 31-73-645-9516
Fax: 31-73-645-9604
America
AOpen America Inc.
Tel: 1-408-922-2100
Fax: 1-408-922-2935
Web Site: http://www.aopen.com
E-mail: Send us email by going through the contact form below.
English http://www.aopen.com/tech/contact/techusa.htm
Japanese http://www.aopen.co.jp/tech/contact/techjp.htm
Chinese http://www.aopen.com.tw/tech/contact/techtw.htm
German http://www.aopencom.de/tech/contact/techde.htm
French http:/france.aopen.com/tech/contact/techfr.htm
Simplified Chinese http://www.aopen.com.cn/tech/contact/techcn.htm
/