User Guide

Hardware Installation
2-7
Core frequency = Ratio * External bus clock
JP3 & JP2 & JP1
1
2
3
1.5x (3.5x)
JP3 & JP2 & JP1
1
2
3
2.5x (1.75x)
JP3 & JP2 & JP1
1
2
3
4x
JP3 & JP2 & JP1
1
2
3
5x
JP3 & JP2 & JP1
1
2
3
2x
JP3 & JP2 & JP1
1
2
3
3x
JP3 & JP2 & JP1
1
2
3
4.5x
JP3 & JP2 & JP1
1
2
3
5.5x
JP4
1-2
2-3
2-3
1-2
JP5
2-3
2-3
1-2
1-2
JP6
1-2
1-2
1-2
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.