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PCA-6154/6154L User's Manual
Table 1-5: System/PCI clock setting (JP9)
System (MHz)
*66
75
PCI (MHz)
33
37.5
JP9
* default setting
1.8.2 CPU core voltage select (JP3)
Table 1-6: CPU voltage select (JP3)
Voltage
JP3
Voltage
JP3
1.9 V
2.0 V
2.2 V
2.3 V
2.4 V
2.5 V
2.6 V
2.7 V
2.8 V
2.9 V
3.0 V
3.1 V
3.2 V
3.27 V
*3.3 V
3.45 V
* default setting
Note: Please refer to the voltage that is shown on the processor chip.
1.8.3 Watchdog timer configuration (JP4)
An on-board watchdog timer reduces the chance of disruptions which
EMP (electro-magnetic pulse) interference can cause. This is an invalu-
able protective device for standalone or unmanned applications. Setup
involves two jumpers and running the control software. (Refer to
Appendix A.)
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