J5, J6 and J7 are set to select the CPU Clock and PCI clock.
CPU clock = 40 MHz
PCI clock = 20 MHz
CPU clock = 50 MHz
PCI clock = 25 MHz
CPU clock = 60 MHz
PCI clock = 30 MHz
CPU clock = 66 MHz
PCI clock = 33 MHz
* default
J5
1
2
3
1
2
3
1
*
2
3
1
2
3
J6
J7
1
1
2
2
3
3
1
1
2
2
3
3
1
1
2
2
3
3
1
1
2
2
3
3
Chapter 2 Installation
17