DFI 748-AL User Manual page 25

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2.4.2 Jumper Settings for Selecting the CPU's FSB (Front
Side Bus)
SW2 is used to select the front side bus of the CPU installed on
the system board.
Important:
Overclocking may result to the CPU's or system's instability
and are not guaranteed to provide better system perform-
ance. If you are unable to boot your system due to
overclocking, make sure to set the DIP switch back to its
default settings.
To ensure proper boot up and operation of your system, you
must power-off the system then turn off the power supply's
switch or unplug the AC power cord prior to altering the
setting.
SW2
1
CPU FSB
Off
100MHz
Off
133MHz*
167MHz
On
On
200MHz
"*" denotes default setting
Hardware Installation
"White" represents the
switch's position. The exam-
ple on the left shows the
following settings:
pin 1 - Off
pin 2 - Off
pin 3 - Off
pin 4 - Off
2
3
4
Off
On
Off
Off
Off
Off
Off
Off
On
On
Off
On
2
25

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