AP-687VF/F 59
HOW TO USE WATCH-DOG TIMER
To use the watch-dog timer :
Step :
Trigger the Watch-Dog timer:
443H
EX.1: For DOS
Execute the
DEBUG.EXE
file under DOS, Then key-in
i443
. The system will reboot
automatically according to the time-out you set.
For example, if you want to Set
4 seconds
for the time-out, you should set
JP8: 4L ON
C:\DOS> DEBUG
-i443
EX.2: For assemble Language
Enable :
:
:
MOV DX, 443H
IN AL, DX
:
:
Disable :
:
:
IN AL, 43H
:
:
APPENDIX A
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