AXIOMTEK IPC962-511-FL Series, User Manual

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IPC962/IPC964 Series U
ser’s Manual
86 Watchdog Timer
out dx,al
mov dx,2Fh
mov al,Mh ;M=00h,01h,...FFh (hex),Value=0 to 255
out dx,al ;(see
Note
below)
;Set Second or Minute :
mov dx,2Eh
mov al,0F5h
out dx,al
mov dx,2Fh
mov al,Nh ;N=71h or 79h(see Note below)
out dx,al
Note:
If N=71h, the time base is set to second.
M = time value
00: Time-out disable
01: Time-out occurs after 1 second
02: Time-out occurs after 2 seconds
03: Time-out occurs after 3 seconds
.
.
FFh: Time-out occurs after 255 seconds