Out dx,al |
| |
| ||
Mov al,07h | ; Select registers of watchdog timer | |
Out | dx,al |
|
Inc | dx |
|
Mov | al,08h |
|
Out | dx,al |
|
| ||
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 strobed reset by keyboard | |
Mov | al,0f7h |
|
Out | dx,al |
|
Inc | dx |
|
In | al,dx |
|
Or al,40h |
| |
Out | dx,al |
|
| ||
Dec dx | ; lock W83627HF | |
Mov | al,0aah |
|
Out | dx,al |
|
5.Generate a
Mov dx,2eh | ; unlock W83627H |
Mov al,87h |
|
Out dx,al |
|
75 | AppendixA |