AXIOMTEK IPC960-525 Series, User Manual

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IPC960/IPC962/IPC964-525 Series U
ser’s Manual
Watchdog Timer 109
A.3 Sample Program
Assembly sample code:
;Enable WDT:
mov dx,2Eh
mov al,87 ;Un-lock super I/O
out dx,al
out dx,al
;Select Logic device:
mov dx,2Eh
mov al,07h
out dx,al
mov dx,2Fh
mov al,07h
out dx,al
;Enable WDT base address:
mov dx,2Eh
mov al,30h
out dx,al
mov dx,2Fh
mov al,01h
out dx,al
;Activate WDT:
mov dx,2Eh
mov al,0F0h
out dx,al
mov dx,2Fh
mov al,80h
out dx,al
;Set base timer :
mov dx,2Eh
mov al,0F6h