User`s manual

2
16
Hardware Installation
2.5 Jumper Settings for Selecting the CPUs Front
Side Bus
CPUs Front Side Bus Select - Jumpers JP2 and JP4
The default setting of jumpers JP2 and JP4 is Auto - the system will
automatically run according to the FSB (66/100/133MHz) of the
processor.
* denotes default setting
1-2 On
2-3 On All Off
1
2
3
1
2
3
1
2
3
JP2
1-2 On
2-3 On
All Off
1-2 On
JP4
1-2 On
2-3 On
2-3 On
All Off
Auto*
66MHz
100MHz
133MHz
Warning:
Some processors, when overclocked, may result to the
processors or systems instability and are not guaranteed to
provide better system performance. If you are unable to boot
your system due to overclocking, make sure to set these
jumpers back to their default setting.