MEM B000h:0000h - MDA(Monochrome Display Adapter) A text-only video adapter introduced together with the original IBMInternational Busiuness Machines PCIBM PC.  See also CGAColor Graphics Adapter, HGC. TEXT BUFFER
Size:	4096 BYTEs
                                                                                

MEM B000h:0000h - HGC+ RAMFont-MODE TEXT BUFFER                                 
Size:	16384 BYTEs
Note:	in RAMFont Mode 1, the memory is filled with the usual
	  character/attribute pairs; in RAMFont Mode 2, four bits of each
	  'attribute' byte is used to provide 12 bits for specifying the
	  character
                                                                                

MEM B000h:0000h - HGC(Hercules Graphics Card) A monochrome video adapter capable of 720x352 monochrome graphics.	 The HGC was the first non-IBM video adapter for the IBMInternational Busiuness Machines PCIBM PC.	 See also CGAColor Graphics Adapter, MDA. GRAPHICS BUFFER (PAGE 0)
Size:	32768 BYTEs