Hardware Setup
IN DX,AL AND AL,0F7H
OUT DX,AL
;CR F6h: bit0~7 fill in counter time
;CR F5h: bit1 fill in 1(Enable WDTO# & KBRST#)
Bit 3 (0: Second Mode,1:Minute Mode)
4)Exit configuration mode: MOVDX,4EH MOV AL,0AAH OUT DX,,AL
;CR F6h: bit0~7 fill in counter time
;CR F5h: bit1 fill in 1(Enable WDTO# & KBRST#)
Bit 3 (0: Second Mode,1:Minute Mode)
4)Exit configuration mode: MOVDX,4EH MOV AL,0AAH OUT DX,,AL