AXIOMTEK IPC960-525 Series, User Manual

Page: 118 / 124

IPC960/IPC962/IPC964-525 Series U
ser’s Manual
Watchdog Timer
110
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
If N =79h, the time base is set to minute.
M = time value
00: Time-out disable
01: Time-out occurs after 1 minute
02: Time-out occurs after 2 minutes
03: Time-out occurs after 3 minutes
.
.
FFh: Time-out occurs after 255 minutes