DFI G4E620-N User Manual page 29

CPU FSB Select
JP1 is used to select the front side bus of the processor.
Important:
Overclocking may result to the CPU'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 this jumper back to its default settings.
Hardware Installation
3
JP1
2
1
1-2 On: Auto 2-3 On:
(default) 100MHz
2
3
3
2
2
1
1
All Off:
133MHz
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