User`s guide

8 • Installation
CPU to Bus Frequency Ratio: JP1, JP2, JP3, and JP4
These jumpers set the frequency ratio between the internal frequency of the
CPU and the External frequency (Called the BUS Clock) within the CPU.
These must be set together with the above jumpers CPU External (BUS)
Frequency Selector. Set the jumpers by the internal speed of the Intel CPU
as follows:
CPU/Bus clock JP1 JP2 JP3 JP4
8.0 x OPEN SHORT SHORT OPEN
7.5 x OPEN OPEN OPEN SHORT
7.0 x OPEN SHORT OPEN SHORT
6.5 x OPEN OPEN SHORT SHORT
6.0 x OPEN SHORT SHORT SHORT
5.5 x SHORT OPEN OPEN OPEN
5.0 x SHORT SHORT OPEN OPEN
4.5 x SHORT OPEN SHORT OPEN
4.0 x SHORT SHORT SHORT OPEN
3.5 x SHORT OPEN OPEN SHORT
JP1/JP2/JP3/JP4