Filter
Top Products
Appendix D System Assignments 83
D.4 1st MB memory map
Table D-4: 1st MB memory map
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