1-4
Overvew
▍
MS-91E2
Overvew
▍
MS-91E2
W
atCh
d
og
t
imer
s
ettiNg
Setup procedures
A. Enter super I/O configuration mode -
mov
dx, 04eh
mov
al, 087h
out
dx, al
out
dx, al
B. Set pn 77 to WDTO# functon
mov
dx,04eh
mov
al,02Dh;; ;Regster 2Dh
out
dx,al
nc
dx
n
al,dx
and
al,0FEh ;Config Bit 0 As 0
out
dx,al ;Config PIN 77 as WDTO#
C. Select Logcal Devce 8
mov
dx, 04eh
mov
al, 07h
out
dx, al
;pont to Logcal Devce Number Regster
nc
dx
mov
al, 08h ;select Logcal Devce 8
out
dx, al