B.4 1st MB memory map
Table B-4: 1st MB memory map
Addr. range (Hex)Device
F000h - FFFFh
D800h - EFFFh
C800h - D7FFh
C000h - C7FFh
B800h - BFFFh
B000h - B7FFh
A000h - AFFFh
0000h - 9FFFh
D000 - D400H
* Default setting
** If Ethernet boot ROM is enabled
System ROM
Unused
Ethernet ROM*
Expansion ROM**
CGA/EGA/VGA text
Unused
EGA/VGA graphics
Base memory
available
Appendix B System Assignments
89