Setting cpu frequency – AOpen AK77-600N User Manual
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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 5x to 18x step 0.5x
CPU FSB
(By manual Adjustment)
FSB=100, 100~129 by 1MHz stepping adjustment technology
FSB=133, 130~160 by 1MHz stepping adjustment technology
FSB=166, 161~191 by 1MHz stepping adjustment technology
FSB=200, 200-250 by 1MHz stepping adjustment technology
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
ABS” reset the system after five seconds and system
will auto-detect hardware again.
Home
Warning: VIA
®
Apollo KT600 chipset supports
200MHz FSB (with performance reaches maximum
400MHz EV6 system bus) and 66MHz AGP clock,
higher clock setting may cause serious system
damage.
Speaker
Warning: Supposed you have had adjusted CPU
ratio on your current CPU, and you plan to replace a
new CPU. Please use <Home> key or Clear CMOS
to restore the default setting when changing a new
CPU, because the system will still implement the
previous CPU setting on the new one.