64
Memory Address Map
Appendix B
Memory and I/O Maps
Address
Name
Function
0000000 to
640KB System
System Board Memory
009FFFF
Board RAM
00A0000 to
128KB Video
Reserved for Graphics
00BFFFF
Display Memory
Display Memory
00C0000 to
160KB I/O
Reserved for ROM on
00E7FFF
Expansion ROM
I/O Adapter Card
00E8000 to
96KB ROM on
System Board BIOS
00FFFFF
the System Board
0100000 to
Maximum
System Board Memory
FFFFFFF
Memory 256MB