MSI 945GC Networks - Manual (Page 13)

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Getting Started
MS-96C4 watchdog timer is using Super I/O Winbond W83627EHG.
Setup pr ocedur es
A. Enter super I/O configuration mode -
mov dx, 04eh
mov al, 087h
out dx, al
out dx, al
B. Set pin 77 to W DTO# function
mov dx,04eh
mov al,02Dh;; ;Register 2Dh
out dx,al
inc d x
in al,dx
and al,0FEh ;Config Bit 0 As 0
out dx,al ;Config PIN 77 as WDTO#
C. Select Logical Device 8
mov dx, 04eh
mov al, 07h
out dx, al ;point to Logical Device Number Register
inc d x
mov al, 08h ;select Logical Device 8
out dx, al
D. Enable watchdog timer
Activate WDTO#
Watch Dog Timer Setting
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