B&B Electronics PC Watchdog Timer Card ATXWDT Bedienungsanleitung PDF herunterladen (Seite 30)

INSTALLATIONS

26 MB800 User’s Manual

;[]===============================================

Unlock_Chip Proc Near

mov dx, 2Eh

mov al, 87h

out dx, al

ret

Unlock_Chip Endp

;[]================================================

; Name : Lock_Chip

; IN : None

; OUT : None

;[]================================================

Unlock_Chip Proc Near

mov dx, 2Eh

mov al, 0AAh

out dx, al

ret

Unlock_Chip Endp

;[]================================================

; Name : Write_Reg

; IN : CL - register index

; AL - Value to write

; OUT : None

;[]================================================

Write_Reg Proc Near

push ax

mov dx, 2Eh

mov al,cl

out dx,al

pop ax

inc dx

out dx,al

ret

Write_Reg Endp

;[]================================================

; Name : Read_Reg

; IN : CL - register index

; OUT : AL - Value to read

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B&B Electronics PC Watchdog Timer Card ATXWDT Bedienungsanleitung Seite 30