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Watch dog timer setting – MSI IM-GM45 User Manual

Page 64

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M S-9818 M ainboard

4-2

Watch Dog Timer Setting

Software code
SIO_IDX equ 4EH
SIO_DTA equ 4FH
Timer equ 10; reset after 10 seconds

1. Enter configuration mode

mov dx,SIO_IDX
mov al,87h
out dx,al
out dx,al

2. Set to LDN 08

mov dx,SIO_IDX
mov al,07h
out dx,al
mov dx,SIO_DTA
mov al,08h
out dx,al

3. Set W atchDog Timer

mov dx,SIO_IDX
mov al,0f6h
out dx,al
mov dx,SIO_DTA
mov al,Timer
out dx,al

4. Exit configuration mode

mov dx,SIO_IDX
mov al,0AAh
out dx,al

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