PORTIBM PC Portable (uses same BIOS as XT) 02AC - GS-IF Scanner Interface adapter
Range:	PORTIBM PC Portable (uses same BIOS as XT) 022Ch, PORTIBM PC Portable (uses same BIOS as XT) 026Ch, PORTIBM PC Portable (uses same BIOS as XT) 02ACh, PORTIBM PC Portable (uses same BIOS as XT) 02ECh (default),
	  PORTIBM PC Portable (uses same BIOS as XT) 032Ch, PORTIBM PC Portable (uses same BIOS as XT) 036Ch, PORTIBM PC Portable (uses same BIOS as XT) 03ACh, PORTIBM PC Portable (uses same BIOS as XT) 03ECh
Note:	many SPI 400dpi/800dpi gray / H/T handy scanner by Marstek, Mustek and
	  others use this interface