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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
JP5
JP6
1-2
2-3
1-2
2-3
1-2
1-2
1-2
2-3
2-3
2-3
1-2
2-3
ON
1
2
3
4
1.5x (3.5x)
ON
1
2
3
4
2x
ON
1
2
3
4
2.5x (1.75x)
ON
1
2
3
4
3x
CPU External Clock
60MHz
66MHz
75MHz
83.3MHz
JP4
JP5
1 2 3
1 2 3
60MHz
JP4
JP5
1 2 3
1 2 3
75MHz
Hardware Installation
ON
5
6
7
8
1
ON
5
6
7
8
1
ON
5
6
7
8
1
5
6
7
8
JP4, JP5 and JP6 are the
selections of CPU external
clock (bus clock), which is
actually the clock from clock
generator.
JP6
JP4
1 2 3
1 2 3
JP6
JP4
1 2 3
1 2 3
2
3
4
5
6
7
8
4x
2
3
4
5
6
7
8
4.5x
2
3
4
5
6
7
8
5x
JP5
JP6
1 2 3
1 2 3
66MHz
JP5
JP6
1 2 3
1 2 3
83.3mhz
2-9
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