Advantech PCA-6186VE User Manual page 120

Out dx,al
;-----------------------------------------------------------
Mov al,07h
Out dx,al
Inc dx
Mov al,08h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,30h
Out dx,al
Inc dx
Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0f7h
Out dx,al
Inc dx
In al,dx
Or al,40h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0aah
Out dx,al
5. Generate a time-out signal without timer counting
;-----------------------------------------------------------
Mov dx,2eh
Mov al,87h
Out dx,al
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; Select registers of watchdog timer
; Enable the function of watchdog timer
; Enable watchdog timer to be strobed reset by keyboard
; lock W83627HF
; unlock W83627H
101 Appendix A