INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ???
        AX = FB42h
        BX = 0013h
        CX = selector of DPMILOAD data (see AX=FB42h/BX=0005h)
        DX = 1-based index of ???
Return: CX = status (see also AX=FB42h/BX=0004h)
            0000h successful
                BX = ??? or 0000h
            0002h invalid selector
            FFF9h ??? error