D.4 1st MB memory map
Table
Addr. range (Hex) Device
F000h - FFFFh | System ROM |
E000 - EFFF | Unused |
CC00 - DFFF | available |
C800 - CBFF | 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 D System Assignments | 8 3 |
