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7–18 Maintenance and Service Guide
Specifications
Table 7-13
System Memory Map
Size Memory Address System Function
640 KB 00000000 - 0009FFFF Base memory
128 KB 000A0000 - 000BFFFF Video memory
128 KB 000C0000 - 000DFFFF Video BIOS and other Optional ROM
128 KB 000E0000 - 000FFFFF System BIOS
2047 MB 00010000 - 7FFFFFFF Extended memory
1 GB 80000000 - BFFFFFFF PCI Bus
32 MB C0000000 - C1FFFFFF Video memory (direct access)
991 MB C2000000 - FFF00000 PCI Bus
1 MB FFF00000 - FFFFFFFF System BIOS