Advantech PCE-5120 User Manual page 106

Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0f7h
Out dx,al
Inc dx
In al,dx
Or al,20h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0aah
Out dx,al
PCE-5120 User Manual
; Generate a time-out signal
;Write 1 to bit 5 of F7 register
; lock W83627HF
90