Lanner electronics AP-687VF Manual page 21

JP12 : Select Internal CPU Clock Ratio
JP12
1-2,3-4,7-8
1-2,5-6,7-8
1-2,7-8
3-4,5-6,7-8
3-4,7-8
5-6,7-8
7-8
1-2,3-4,5-6
1-2,3-4
1-2,5-6
1-2
3-4,5-6
JP12
7
2.5X
8
3.0X
3.5X
4.0X
4.5X
5.0X
5.5X
6.0X
6.5X
7.0X
7.5X
8.0X
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Clock Ratio
2.5 X
3.0 X
3.5 X ( Default )
4.0 X
4.5 X
5.0 X
5.5 X
6.0 X
6.5 X
7.0 X
7.5 X
8.0 X
1
2
JP12
7
8
JP12
AP-687VF/F 15
JUMPER SETTING AND CONNECTORS
Default :
JP12
7
8
1
2
1
2