Advantech IPPC-6172A Series, User Manual

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67 IPPC-6172A User Manual
Appendix C
W
atchdog
Timer
; Sample Code
Superio_Config_PortEQU4Eh
;-----------------------------------------------
;
ENTER CONFIGURATION MODE
;-----------------------------------------------
mov dx, Superio_Config_Port
mov al, 055h
out
dx, al
out dx, al
IODELAY
;-----------------------------------------------
;
;-----------------------------------------------
mov dx, Superio_Config_Port
mov al, 7h
out
dx, al
IODELAY
inc
dx
mov al, 0ah
out
dx, al
IODELAY
;-----------------------------------------------
;
GET RUNTIME REGISTER BASE ADDRESS
;-----------------------------------------------
mov dx, Superio_Config_Port
mov al, 60h
out
dx, al
IODELAY
inc
dx
in al, dx
mov bh, al ; high byte in BH
IODELAY
mov dx, Superio_Config_Port
mov al, 61h