AOpen AK79D-400 Max Online Manual page 24

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This motherboard supports CPU VID function. The CPU core voltage will be automatically detected and the range is from 1.1V
to 1.85V. It is not necessary to set CPU Core Voltage.
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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 Setting
CPU Ratio
From 5.5x to 16x step 0.5x
CPU FSB (Adjustment
FSB=100~200 by 1MHz Stepping CPU Overclocking
manually)
Warning: nForce2 Ultra 400 chipsets support 200MHz FSB (with performance
reaches maximum 400MHz EV6 system bus) and 66MHz AGP clock, higher clock
Home
setting may cause serious system damage.
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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 after few seconds and system will auto-detect hardware again.
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