AOpen AX4BRUG User Manual
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(AOpen reserves the right to revise all
the specifications and information
contained in this documentation which
is subject to change without notice.)
PS/2 Mouse
Connector
SPP/EPP/ECP Parallel Port
COM2 Connecto
32-bit PCI Expansion Slot x5
WOL Connecto
2nd USB Connecto
4Mbit Flash ROM
RAID IDE1 Connecto
PS/2 Keyboard
Connector
COM 1 Port
VGA Port
USB Ports
LAN Ports
4-pin 12V. ATX Power Connector
Resetable Fuse
SYSFAN2 Connector
2200μF Low ESR Capacitors
478-pin CPU socket with Voltage and
Frequency Aut o-det ect ion that supports
®
Pentium® 4 1.4~2.8GHz+ CPU
Intel
845E chipset
Intel
CPUFAN Connector
184-pin DIMM Socket x2 supports
PC-200/266 DDR SDRAM
maximum up to 2 GB
SYSFAN1 Connecto
JP14 CMOS Clear Jumpe
RAID IDE2 Connecto
TX Power Connector
Front Panel Connector
TA/33/66/100 IDE Connector x2
FDD Connecto
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. Thanks for the
help of saving our earth.
This Motherboard x1
This Easy Installation Guide x1
User Manual x 1
80-wire IDE Cable x2
Floppy Disk Drive Cable x1
COM2 Cable x1
I/O Port Bracket x1
Bonus Pack CD x1
NORTON AntiVirus CD x 1
Assembly Screw Pack x1
1. JP14 Clear CMOS
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.
Pin 1
Tip: When should I Clear CMOS?
1. Boot fail because of overclocking…
2. Forget password…
Normal
default)
Clear CMOS
3. T roubleshooting…
2. Connecting ATX Power Connector
This motherboard comes with a 20-pin and 4-pin ATX power connector as shown below. Make sure you plug
in the right direction. We strongly recommend you to insert the 4-pin connector before connecting the 20-pin
connector.
PART NO: 90.51Q30.001 DOC. NO: AX4BRU-EG-E0209B
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This socket supports Micro-FC-PGA2 package CPU, which is the latest CPU package
developed by Intel. Other forms of CPU package are impossible to be fitted in.
CPU socket lever
3. Installing Processor
1. Pull up the CPU socket lever and up to
90-degree angle.
2. Locate Pin 1 in the socket and look fo
a (golden) cut edge on the CPU uppe
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.
Note: If you do not match the CPU
socket Pin 1 and CPU cut edge well, it
may damage the CP U.
CPU cut edge
5. Installing DIMM Module
This motherboard has two 184-pin DDR DIMM sockets that allow you to install DDR200 or
DDR266
memory up to 2GB.
DIMM1
DIMM2
4. Installing CPU & System Fan
Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have chassis fan, you
can also plug it on SYSFAN2 or FAN3 (AUX Fan) connector.
SENSOR
CPUFAN Connector
SENSOR
SYSFAN2 Connector
GND
+12V
SENSOR
SYSFAN1 Connector
Note: Some CPU fans do not have
sensor pin so they cannot support fan
monitoring.
+12V
GND
+12V
GND
6. Installing CPU & System Fan
Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE
connector. Pin1 of cable is normally marked with red color. Addition to IDE connectors, we
also provide two RAID IDE connectors for you to connect RAID. Be careful of the pin1
orientation. Wrong orientation may cause system damage.
IDE Secondary (2nd)
IDE Primary (1st)
RAID primar
channel
ATA 66/100 IDE
Connector
RAID secondary
channel
FDD Connector
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