What’s in this manual ...................................................................................................................................................... 2
You Must Notice .............................................................................................................................................................. 8
Before You Start..............................................................................................................................................................9
About “Manufacturer Upgrade Optional” and “User 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) ............................................................................................... 27
Front Panel Connector .................................................................................................................................................. 31
ATX Power Connector...................................................................................................................................................32
AC Power Auto Recovery .............................................................................................................................................. 33
IDE and Floppy Connector ............................................................................................................................................ 34
WOL (Wake on LAN) ..................................................................................................................................................... 39
Support 10/100 Mbps LAN onboard (AX4B-G2N only) .................................................................................................. 41
CNR (Communication and Network Riser) Expansion Slot ............................................................................................ 42
PC99 Color Coded Back Panel .....................................................................................................................................43
Support 2nd USB Port .................................................................................................................................................... 44
CD Audio Connector ..................................................................................................................................................... 46
Front Audio Connector .................................................................................................................................................. 49
Battery-less and Long Life Design................................................................................................................................. 50
CPU Over-current Protection......................................................................................................................................... 51
Driver and Utility .......................................................................................................................61
Auto-run Menu from Bonus CD Disc ............................................................................................................................. 62
ACPI Suspend to Hard Drive......................................................................................................................................... 69
ACPI Suspend to RAM (STR)........................................................................................................................................ 74
AWARD BIOS.............................................................................................................................. 76
About BIOS Function Description… .............................................................................................................................. 77
How To Use Award™ BIOS Setup Program................................................................................................................... 78
How To Enter BIOS Setup ............................................................................................................................................. 80
BIOS Upgrade under Windows environment .................................................................................................................81
VGA Card & Hard Disk .................................................................................................................................................. 84
AMR (Audio/Modem Riser)............................................................................................................................................ 86
AOpen Bonus Pack CD ................................................................................................................................................. 86
APM (Advanced Power Management)........................................................................................................................... 86
ATA (AT Attachment) ..................................................................................................................................................... 86
Bus Master IDE (DMA mode) ........................................................................................................................................ 88
CNR (Communication and Networking Riser)................................................................................................................ 88
CODEC (Coding and Decoding) .................................................................................................................................... 88
DDR (Double Data Rated) SDRAM ...............................................................................................................................88
DIMM (Dual In Line Memory Module) ............................................................................................................................ 89
ECC (Error Checking and Correction) ........................................................................................................................... 89
EDO (Extended Data Output) Memory ..........................................................................................................................89
EV6 Bus ........................................................................................................................................................................ 90
FCC DoC (Declaration of Conformity) ...........................................................................................................................90
Flash ROM .................................................................................................................................................................... 91
FSB (Front Side Bus) Clock .......................................................................................................................................... 91
I2C Bus .......................................................................................................................................................................... 91
Parity Bit .......................................................................................................................................................................92
PC-1600 or PC-2100 or PC-2700 DDR DRAM .............................................................................................................. 93
PCI (Peripheral Component Interface) Bus ...................................................................................................................93
PDF Format................................................................................................................................................................... 93
PnP (Plug and Play) ...................................................................................................................................................... 94
POST (Power-On Self Test) ..........................................................................................................................................94
SIMM (Single In Line Memory Module) ......................................................................................................................... 95
USB (Universal Serial Bus) ........................................................................................................................................... 96
ZIP file........................................................................................................................................................................... 97
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Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III, 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.
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The CPU core voltage will be automatically detected. It is not nec ess ary to s et CPU c ore voltage.
SSeettttiinngg CCPPUU FFrreeqquueennccyy
BIOS Setup > Frequency/Voltage Control > CPU Clock Setting
This motherboard is CPU jumper-less design, you can s et CP U frequenc y through t he BI OS s etup, and no jum pers or s witc hes
are needed.
CPU Ratio
CPU FSB
Core Frequency = CPU FSB Clock * CPU Ratio
PCI Clock = CPU FSB Clock / Clock Ratio
AGP Clock = PCI Clock x 2
8x, 9x, 10x,…22x, 23x, 24x
100 MHz
Home
e
Tip: If your system hangs or fails to boot
because of overclocking, simply use
<Home> key to restore the default setting or
you can w ait the A Open “Watch Dog Timer”
reset the system after five seconds and
system will auto-detect hardware again.