Address Range
  Start     End Description		     Link
  ------ ------ ---------------------------- --------------
  0C0000-0C3FFF EGA BIOS		     BIOS\Vid\ROM
	 0C001E signature (the letters IBM)
  0C6000-0C63FF PGA communications area
  0C8000-0CBFFF Hard Disk BIOS		     BIOS\Dsk\ROM
  0D0000-0D7FFF Cluster Adapter
  0D0000-0DFFFF Expansion Cartridges (PCJr)