Appendix a - watchdog timer – DFI G5C100-NR User Manual

Page 152

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152

A

Watchdog Timer

Appendix A - Watchdog Timer

Watchdog Timer

The following parameters are references for setting the time interval
of the Watchdog Timer function. The system will regularly be “cleared”
according to the set time interval. If the system hangs or fails to
function, it will also reset according to the time interval so that your
system will continue to operate.

mov dx,04e <Enter>
mov al,87 <Enter>
out dx,al <Enter>
out dx,al <Enter>
mov dx,04e <Enter>
mov al,07 <Enter>
out dx,al <Enter>
inc dx <Enter>
inc al <Enter>
out dx,al <Enter>
dec dx <Enter>
mov al,f6 <Enter>
out dx,al <Enter>
inc dx <Enter>
mov al,xy <Enter>
out dx,al <Enter>

“XY” is the Watchdog Time count value for the “00h to “FFh” range
wherein the time can be set from 0 sec. to 255 sec.

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