Appendix A Pin Assignments 69
A.17 1st MB memory map
1st MB memory map
Addr. range (Hex)Device
F000h - FFFFh System ROM
C800h - EFFFh Unused
C000h - C7FFh Expansion ROM
B800h - BFFFh CGA/EGA/VGA text
B000h - B7FFh Unused
A000h - AFFFh EGA/VGA graphics
0000h - 9FFFh Base memory
* D000 - D400H DOC 2000
