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How to tackle with Jumpers:
• Do not remove the jumper when power is on. Always make sure the power
is off before changing any jumper settings. Otherwise, mainboard
could be damaged.
• In the Jumper setting diagram, all jumper pins covered with black marks
stand for closed pins by jumper caps.
2-6.1 Switch 1 CPU Clock Select
• This Series of mainboards are shipped to users with a 5-DIP Switch 1,
by which user can select a CPU clock to match with the Pentium 4
processor selected on board. So users are not recommeded to take
Switch 1 as a tool for overclocking. It is saver and more advisible for
users to select the CPU clock as close as possible to the one marked on
the selected CPU.
SW1
CPU clock (MHz)
100 (Default)
• Advice from our Engineering Team:
If you insert a Pentium 4 processor of 100MHz to the CPU socket and
select 103MHz or any higher Switch setting, you are taking the risk of
breaking the stability of your CPU as well as the mainboard. Overclocking
should always take all other components on board into account.
On
ON
DIP
CPU Clock Select
Off
1 2 3 4 5
*
Off On On On On (Default)
S1
off
on
103
105
off
111
on
off
130
133
on
23
Chapter 2 Hardware Setup
S2
S3
S4
S5
on
on
on
on
off
on
on
on
off
on
on
on
off
off
on
on
off
on
off
on
on
on
on
off
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