Download CA230-BF CA230-B

Watchdog Timer
MOV
MOV
OUT
DX,SIO_CON_PORT
AL,0F5H
DX,AL
MOV
DX,SIO_DATA
IN
AL,DX
OR
OUT
AL,02H
DX,AL
MOV
MOV
OUT
DX,SIO_CON_PORT
AL,0F6H
DX,AL
;WATCH DOG COUNTER
MOV
MOV
OUT
DX,SIO_DATA
AL,0AH
DX,AL
;SET COUNTER (EX 10 SEC)
MOV
MOV
OUT
DX,SIO_CON_PORT
AL,0F7H
DX,AL
;WATCH DOG COUNTER
MOV
MOV
OUT
DX,SIO_DATA
AL,00H
DX,AL
;Clear WDTO
mov
mov
out
DX,SIO_CON_PORT
al, 0AAh
dx, al
A
;WATCH DOG CONTROL REGISTER
;BIT1 DIS/EN WDTO# OUTPUT LOW PULSE
TO KBRST#PIN(0=DIS, 1=ENABLE)
;BIT3 COUNTER MODE SLEECT (0=SECOND
MODE, 1=MINUTE MODE)
;SUPERIO EXIT CONFIG
;================ RETURN DOS ===================
mov
ah,4ch
;return dos
int
21h
end begin
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