Size
Memory Address
640 KB
00000000 to 0009FFFF
128 KB
000A0000 to 000BFFFF
48 KB
000C0000 to 000CBFFF
160 KB
000C8000 to 000E7FFF
64 KB
000E8000 to 000FFFFF
15 MB
00100000 to 00FFFFFF
58 MB
01000000 to 047FFFFF
58 MB
04800000 to 07FFFFFF
2 MB
08000000 to 080FFFFF
4 GB
08200000 to FFFEFFFF
64 KB
FFFF0000 to FFFFFFFF
Maintenance and Service Guide
Table 6-14
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