PORTIBM PC Portable (uses same BIOS as XT) 02AB - GI1904 Scanner Interface Adapter (default)
Range:	PORTIBM PC Portable (uses same BIOS as XT) 022Bh, PORTIBM PC Portable (uses same BIOS as XT) 026Bh, PORTIBM PC Portable (uses same BIOS as XT) 02EBh, PORTIBM PC Portable (uses same BIOS as XT) 032Bh, PORTIBM PC Portable (uses same BIOS as XT) 036Bh
Range:	PORTIBM PC Portable (uses same BIOS as XT) 03ABh, PORTIBM PC Portable (uses same BIOS as XT) 03EBh
Note:	the GI1904 is used by many SPI 400/800dpi gray/halftone/color handy
	  scanners by Marstek, Mustek, Conrad, Völkner and others