Advantech AIMB-581 User Manual

87 AIMB-581 User Manual
Appendix A Programming the Watchdog Timer
Dec dx ; Enable the function of watchdog timer
Mov al,30h
Out dx,al
Inc dx
Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Enable watchdog timer to be reset by mouse
Mov al,0f7h
Out dx,al
Inc dx
In al,dx
Or al,80h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Lock NCT6776F
Mov al,0aah
Out dx,al
4. Enable watchdog timer to be reset by keyboard
;-----------------------------------------------------------
Mov dx,2eh ; Unlock NCT6776F
Mov al,87h
Out dx,al
Out dx,al
;-------------------------------------------- --- -----
Mov al,07h ; Select registers of w tchdog timer
Out dx,al
Inc dx
Mov al,08h
Out dx,al
;------------------- -------------------------------------
Dec dx ; Enabl the function of watchdog timer
Mov al 30h
Out dx al
Inc dx
Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Enable watchdog timer to be strobed reset by keyboard
Mov al,0f7h
Out dx,al
Inc dx
In al,dx
Or al,40h
Out dx,al
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Advantech AIMB-581 Specifications

General

Brand	Advantech
Model	AIMB-581
Category	Motherboard
Language	English