
47
B.4 1
st
MB memory map
Address Description
F000h-FFFFh
System ROM
D800h-EFFFh Unused
C800h-D7FFh Ethernet ROM*
C000h-C7FFh Expansion ROM*
B800h-BFFFh
CGA/EGA/VGA text
B000h-B7FFh
Unused
A000h-AFFFh
EGA/VGA graphics
0000h-9FFFh
Base memory
D000-D400H Available
* Default setting
** If Ethernet boot ROM is enabled.