COMMELL P4BWA - Manual (Page 56)

P4BWA User’s Manual
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Appendix E
The watchdog timer makes the system auto-reset while it stops to work for a period. The
integrated watchdog timer can be setup as system reset mode by program.
Timeout Value Range
- 1 to 255
- Second or Minute
Program Sample
Watchdog timer setup as system reset with 5 second of timeout
-o 4E, 87
-o
4E, 87
-o 4E, 07
-o 4F, 08 Logical Device 8
-o 4E, 30 Activate
-o
4F, 01
-o 4E, F5 Set as Second*
-o 4F, 00
-o 4E, F6 Set as 5
-o
4F, 05
* Minute: bit 3 = 0; Second: bit 3 = 1
You can select Timer setting in the BIOS, after setting the time options, the system will
reset according to the period of your selection.