6–16 Maintenance and Service Guide
Specifications
Table 6-13
System Memory Map
Size Memory Address System Function
640 KB 00000000-0009FFFF Base memory
128 KB 000A0000-000BFFFF Video memory
48 KB 000C0000-000CBFFF Video BIOS
160 KB 000C8000-000E7FFF Unused
64 KB 000E8000-000FFFFF System BIOS
15 MB 00100000-00FFFFFF Extended memory
58 MB 01000000-047FFFFF Super extended memory
58 MB 04800000-07FFFFFF Unused
2 MB 08000000-080FFFFF Video memory (direct access)
4 GB 08200000-FFFEFFFF Unused
64 KB FFFF0000-FFFFFFFF System BIOS