INT 67h,  58h  GET MAPPABLE PHYSICAL ADDRESS ARRAY                   . 4.0

On entry:
        AH = 58h
        AL = subfunction
            00h get mappable physical address array
               ES:DI = pointer to buffer to be filled with array
            01h get number of entries in m.p.a. array

Return:
        CX = number of entries in array
        AH = status
            00h successful
            80h internal error
            81h hardware failure
            84h undefined function requested
            8Fh undefined subfunction