Advantech PCE-5026 User Manual page 79

Mov al,0f6h
Out dx,al
Inc dx
Mov al,10 ; 10 seconds
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0aah
Out dx,al
2. Enable watchdog timer and set 5 minutes as timeout interval
;-----------------------------------------------------------
Mov dx,2eh
Mov al,87h
Out dx,al
Out dx,al
;-----------------------------------------------------------
Mov al,07h
Out dx,al
Inc dx
In al,dx
Or al,08h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,30h
Out dx,al
Inc dx
Mov al,03h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0f5h
Out dx,al
Inc dx
In al,dx
Or al,08h
Out dx,al
;-----------------------------------------------------------
Dec dx
start counting
Mov al,0f6h
Out dx,al
Inc dx
Mov al,5 ; 5 minutes
Out dx,al
; Lock NCT6776F
; Unlock NCT6776F
; Select registers of watchdog timer
; Enable the function of watchdog timer
; Set minute as counting unit
; Set timeout interval as 5 minutes and
69 PCE-5026 User Manual