Size
Memory Address
640 KB
00000000-0009FFFF
128 KB
000A0000-000BFFFF
48 KB
000C0000-000CBFFF
160 KB
000C8000-000E7FFF
64 KB
000E8000-000FFFFF
15 MB
00100000-00FFFFFF
58 MB
01000000-047FFFFF
58 MB
04800000-07FFFFFF
2 MB
08000000-080FFFFF
4 GB
08200000-FFFEFFFF
64 KB
FFFF0000-FFFFFFFF
Maintenance and Service Guide
Table 6-15
System Memory Map
System Function
Base memory
Video memory
Video BIOS
Unused
System BIOS
Extended memory
Super extended memory
Unused
Video memory (direct access)
Unused
System BIOS
Specifications
6–17