JP5 and JP6 must be set to match the CPU type. The chart below
shows the proper jumper settings for their respective V
1
5.0 V
4.0 V
1
JP5
JP6
JP7 and JP8 are used to synchronize the CPU clock with the CPU
type. Set the CPU clock according to the base CPU speed.
25 MHz
50MHz
1
1
1
1
33 MHz
1
3.3 V
3.45 V
1
40 MHz
.
cc
1
3.6 V
1