Advantech IPPC-8151S Series Manuale Utente Scaricare il pdf (Pagina 45)

37 Chapter A

shl al, 8

mov al, 61h

mov dx, 2Eh

out dx, al

mov dx, 2Fh

in al, dx

; now, AX contains the base address

mov bx, ax ; save base address in BX

;----------------------------

; exit configuration state

;----------------------------

mov dx, 2Eh

mov al, 0AAh

out dx, al

;----------------------------

; Force timeout

;----------------------------

mov dx, bx

add dx, 68h

in al, dx

or al, 04h ; force timeout

out dx, al

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