F u l l - s i z e C P U C a r d
F S B - 8 6 8 G R e v . B
Appendix A Programming the Watchdog Timer
A-5
second/minutes
WatchDog Timer Register III (Index=F7h, Default=00h)
Bit
7
: Mouse interrupt reset Enable or Disable
= 1 Watchdog Timer is reset upon a
Mouse interrupt
= 0 Watchdog Timer is not affected by
Mouse interrupt
Bit 6
: Keyboard interrupt reset Enable or
Disable
= 1
Watchdog Timer is reset upon a
Keyboard interrupt
= 0
Watchdog Timer is not affected by
Keyboard interrupt
Bit
5
: Force Watchdog Timer Time-out. Write
Only
= 1
Force Watchdog Timer time-out
event: this bit is self-clearing
Bit
4
: Watchdog Timer Status. R/W
= 1
Watchdog Timer time-out occurred
= 0 Watchdog Timer counting
Bit
3-0
: These bits select IRQ resource for
Watchdog. Setting of 2 selects SMI.
