Advantech PPC-6121 User Manual page 65

;-----------------------------------------------------------------------------
;Set WDT timeout value
;-----------------------------------------------------------------------------
MOV DX, 2EH
MOV AL, F1H
OUT DX, AL
MOV DX, 2FH
MOV AL, 05H
OUT DX, AL; set timeout value as 5s; 00 = timeout disabled
;-----------------------------------------------
; Exit the Extended Function Mode
;----------------------------------------------
MOV DX, 2EH
MOV AL, AAH
OUT DX, AL
55 PPC-6121 User Manual