AOpen AX4BR-U User manual

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AX4BR-U
DOC. NO.: AX4BRU-OL-E0209B

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Wh ha at t’ ’s s i in n t th hi is s m ma an nu ua al l
AX4BR-U .......................................................................................................................................... 1
What’s in this manual ...................................................................................................................................................... 2
You Must Notice .............................................................................................................................................................. 8
Before You Start.............................................................................................................................................................. 9
Overview ....................................................................................................................................................................... 10
Feature Highlight........................................................................................................................................................... 11
Quick Installation Procedure ......................................................................................................................................... 14
Motherboard Map .......................................................................................................................................................... 15
Block Diagram............................................................................................................................................................... 16
Hardware Installation.................................................................................................................. 17
About “User Upgrade Optional” and “Manufacture Upgrade Optional”… ....................................................................... 18
JP14 Clear CMOS Data ................................................................................................................................................ 19
CPU Installation ............................................................................................................................................................ 20
CPU Jumper-less Design .............................................................................................................................................. 23
CPU and System Fan Connector (with H/W Monitoring) ............................................................................................... 24
DIMM Sockets............................................................................................................................................................... 25
Front Panel Connector .................................................................................................................................................. 27

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ATX Power Connector................................................................................................................................................... 28
AC Power Auto Recovery .............................................................................................................................................. 29
STBY LED..................................................................................................................................................................... 30
IDE and Floppy Connector ............................................................................................................................................ 31
WOL (Wake on LAN)..................................................................................................................................................... 33
Support 10/100 Mbps LAN onboard .............................................................................................................................. 35
PC99 Color Coded Back Panel ..................................................................................................................................... 36
Support 2nd USB Port .................................................................................................................................................... 37
Connecting COM2 Connector........................................................................................................................................ 38
Over-current Protection ................................................................................................................................................. 39
3300µF Low ESR Capacitor .......................................................................................................................................... 40
Layout (Frequency Isolation Wall) ................................................................................................................................. 41
Enlarged Aluminum Heatsink ........................................................................................................................................ 42
Driver and Utility ......................................................................................................................... 43
Installing Intel® Chipset Software Installation Utility...................................................................................................... 44
Installing Intel IAA Driver............................................................................................................................................... 45
ACPI Suspend to Hard Drive......................................................................................................................................... 46
BIOS Setup Utility........................................................................................................................ 47
Enter Setup ................................................................................................................................................................... 48

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System Information ....................................................................................................................................................... 49
Product Information....................................................................................................................................................... 53
Disk Drives.................................................................................................................................................................... 55
Onboard Peripherals ..................................................................................................................................................... 60
Power Management ...................................................................................................................................................... 67
Boot Options ................................................................................................................................................................. 71
Date and Time............................................................................................................................................................... 75
System Security ............................................................................................................................................................ 77
Health Monitor............................................................................................................................................................... 80
Load Default Settings.................................................................................................................................................... 86
Abort Settings Change .................................................................................................................................................. 87
Exit Setup ..................................................................................................................................................................... 88
Overclocking ................................................................................................................................ 89
VGA Card & Hard Disk .................................................................................................................................................. 90
Glossary ....................................................................................................................................... 91
AC97............................................................................................................................................................................. 91
ACPI (Advanced Configuration & Power Interface) ....................................................................................................... 91
AGP (Accelerated Graphic Port) ................................................................................................................................... 91
AMR (Audio/Modem Riser)............................................................................................................................................ 92

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AOpen Bonus Pack CD ................................................................................................................................................. 92
APM (Advanced Power Management)........................................................................................................................... 92
ATA (AT Attachment) ..................................................................................................................................................... 92
ATA/66 .......................................................................................................................................................................... 92
ATA/100 ........................................................................................................................................................................ 93
BIOS (Basic Input/Output System) ................................................................................................................................ 93
Bus Master IDE (DMA mode) ........................................................................................................................................ 93
CNR (Communication and Networking Riser)................................................................................................................ 94
CODEC (Coding and Decoding).................................................................................................................................... 94
DDR (Double Data Rated) SDRAM ............................................................................................................................... 94
DIMM (Dual In Line Memory Module) ............................................................................................................................ 94
DMA (Direct Memory Access)........................................................................................................................................ 95
ECC (Error Checking and Correction) ........................................................................................................................... 95
EDO (Extended Data Output) Memory .......................................................................................................................... 95
EEPROM (Electronic Erasable Programmable ROM).................................................................................................... 95
EPROM (Erasable Programmable ROM) ...................................................................................................................... 96
EV6 Bus ........................................................................................................................................................................ 96
FCC DoC (Declaration of Conformity) ........................................................................................................................... 96
FC-PGA (Flip Chip-Pin Grid Array)................................................................................................................................ 96

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Flash ROM .................................................................................................................................................................... 97
FSB (Front Side Bus) Clock .......................................................................................................................................... 97
I2C Bus.......................................................................................................................................................................... 97
IEEE 1394..................................................................................................................................................................... 98
Parity Bit ....................................................................................................................................................................... 98
PBSRAM (Pipelined Burst SRAM)................................................................................................................................. 98
PC-100 DIMM ............................................................................................................................................................... 99
PC-133 DIMM ............................................................................................................................................................... 99
PC-1600 or PC-2100 DDR DRAM ................................................................................................................................. 99
PCI (Peripheral Component Interface) Bus ................................................................................................................... 99
PDF Format................................................................................................................................................................... 99
PnP (Plug and Play) .................................................................................................................................................... 100
POST (Power-On Self Test) ........................................................................................................................................ 100
RDRAM (Rambus DRAM) ........................................................................................................................................... 100
RIMM (Rambus Inline Memory Module) ...................................................................................................................... 100
SDRAM (Synchronous DRAM) .................................................................................................................................... 101
Shadow E2PROM ........................................................................................................................................................ 101
SIMM (Single In Line Memory Module) ....................................................................................................................... 101
SMBus (System Management Bus)............................................................................................................................. 101

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SPD (Serial Presence Detect)..................................................................................................................................... 102
Ultra DMA ................................................................................................................................................................... 102
USB (Universal Serial Bus) ......................................................................................................................................... 102
VCM (Virtual Channel Memory)................................................................................................................................... 103
ZIP file......................................................................................................................................................................... 103
Troubleshooting......................................................................................................................... 104
Technical Support ..................................................................................................................... 108
Product Registration ................................................................................................................. 111
How to Contact Us .................................................................................................................... 112

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Yo ou u M Mu us st t N No ot ti ic ce e
Adobe, the Adobe logo, Acrobat is trademarks of Adobe Systems Incorporated.
AMD, the AMD logo, Athlon and Duron are trademarks of Advanced Micro Devices, Inc.
Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III and Pentium 4 are trademarks of Intel Corporation.
Microsoft, Windows, and Windows logo are either registered trademarks or trademarks of Microsoft Corporation in the United
States and/or other countries.
All product and brand names used on this manual are used for identification purposes only and may be the registered
trademarks of their respective owners.
All of the specifications and information contained in this manual are subject to change without notice. AOpen reserves the right
to revise this publication and to make reasonable changes. AOpen assumes no responsibility for any errors or inaccuracies that
may appear in this manual, including the products and software described in it.
This documentation is protected by copyright law. All rights are reserved.
No part of this document may be used or reproduced in any form or by any means, or stored in a database or retrieval
system without prior written permission from AOpen Corporation.
Copyright©1996-2002, AOpen Inc. All Rights Reserved.

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Be ef fo or re e Y Yo ou u S St ta ar rt t
This Online Manual will introduce to the user how this product is installed. All useful information will be described in later
chapters. Please keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved
in PDF format, we recommend using Adobe Acrobat Reader 4.0 for online viewing, it is included in Bonus CD or you can get
free download from Adobe web site.
Although this Online Manual is optimized for screen viewing, it is still capable for hardcopy printing, you can print it by A4 paper
size and set 2 pages per A4 sheet on your printer. To do so, choose File > Page Setup and follow the instruction of your printer
driver.
Thanks for the help of saving our earth.

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Ov ve er rv vi ie ew w
Thank you for choosing AOpen AX4BR-U motherboard. The AX4BR-U is Intel®Socket 478 motherboard (M/B) based on the ATX
form factor featuring the Intel®845E (Brookdale) chipset. As high performance chipset built in the M/B, the AX4BR-U
motherboard can support Intel®Socket 478 Pentium®4 (Brookdale) and 533MHz Front Side Bus (FSB) clock. According to
different customer’s requirements, the Intel 845E chipset memory interface supports DDR200/266 SDRAM devices with
densities of 128, 256, 512 and 1024Mb DDR SDRAM DIMM modules and the maximum memory size can be up to 2GB. The
onboard IDE controller supports Ultra DMA 33/66/100 mode and the transfer rate up to 100MB/s. Besides, the AX4BR-U has a
8M ATI Rage XL VGA onboard and equips with Intel LAN controller providing 10/100M bps
Ethernet for office and home use. Now, let’s enjoy all features from AOpen
AX4BR-U motherboard.