User Guide

Hardware Installation
2-9
ON
1 2 3 4 5 6 7 8
1.5x (3.5x)
ON
1 2 3 4 5 6 7 8
2x
ON
1 2 3 4 5 6 7 8
2.5x (1.75x)
ON
1 2 3 4 5 6 7 8
3x
ON
1 2 3 4 5 6 7 8
4x
ON
1 2 3 4 5 6 7 8
4.5x
ON
1 2 3 4 5 6 7 8
5x
Note: Intel PP/MT 233MHz is using 1.5x jumper setting for
3.5x frequency ratio, and AMD PR166 is using 2.5x setting for
1.75x frequency ratio.
JP4
1-2
2-3
1-2
2-3
JP5
2-3
1-2
2-3
1-2
JP6
1-2
1-2
2-3
2-3
CPU External Clock
60MHz
66MHz
75MHz
83.3MHz
JP4, JP5 and JP6 are the
selections of CPU external
clock (bus clock), which is
actually the clock from clock
generator.
JP4 JP5 JP6
1 2 3 1 2 3 1 2 3
60MHz
JP4 JP5 JP6
1 2 3 1 2 3 1 2 3
75MHz
JP4 JP5 JP6
1 2 3 1 2 3 1 2 3
66MHz
JP4 JP5 JP6
1 2 3 1 2 3 1 2 3
83.3mhz