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
Summary of Contents for NuPRO-710 Series
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Page 12: ...4 Introduction 1 3 Board Layout Jumpers and Connectors NUPRO 710 NUPRO 711...