GLOBAL AMICI Global American Motherboard 2807790 User Manual download pdf (Page 32)

2807790 Mainboard3

3-2

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 WatchDog 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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