Intel MB865 user manual Installations

Models: MB865

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INSTALLATIONS

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

pushax

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

Read_Reg

Proc Near

mov al, cl

mov dx, 2Eh

out

dx, al

inc

dx

in

al, dx

ret

 

Read_Reg

Endp

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

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MB865 User’s Manual

Page 30
Image 30
Intel MB865 user manual Installations