ADLINK Technology NuPRO-710 Series, Руководство пользователя

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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