Advantech TREK-755 User Manual page 67

OUT DX,AL
MOV DX,2FH
MOV AL,08H; select logical device 8
OUT DX,AL
;
MOV DX,2EH
MOV AL,30H; Set watch dog active or inactive
OUT DX,AL
MOV DX,2FH
MOV AL,01H; 01:activate 00:deactivate
OUT DX,AL
;
MOV DX,2EH
MOV AL,F5H; Setting counter unit in seconds
OUT DX,AL
MOV DX,2FH
MOV AL,00H
OUT DX,AL
;
MOV DX,2EH
MOV AL,F6H
OUT DX,AL
MOV DX,2FH
MOV AL,05H; Set 5 seconds
OUT DX,AL
;------------------------------------------
; Exit extended function mode
;------------------------------------------
MOV DX,2EH
MOV AL,AAH
55 Appendix A