B.4 1st MB memory map
Table
Addr. range (Hex) | Device |
F000h - FFFFh | System ROM |
|
|
D800h - EFFFh | Unused |
|
|
D000 - D400H | Available |
|
|
C800h - D7FFh | Ethernet ROM* |
|
|
C000h - C7FFh | VGA BIOS |
|
|
B800h - BFFFh | CGA/EGA/VGA text |
|
|
B000h - B7FFh | Reserved for graphic mode usage |
A000h - AFFFh | EGA/VGA graphics |
|
|
0000h - 9FFFh | Base memory |
|
|
* default setting
Appendix B System Assignments | 99 |
