Compaq Presario CQ45 - System Memory Map Specifications

System memory map specifications—Intel processors
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 04800000-07FFFFFF 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
System memory map specifications—AMD processors
Memory address System function
000A0000 - 000BFFFF nVidia MCP67M
000A0000 - 000BFFFF PCI bus
000C0000 - 000C3FFF PCI bus
000C4000 - 000C7FFF PCI bus
000C80000 - 00CBFFF PCI bus
000CC000 - 000CFFFF PCI bus
000D000 - 00D3FFF PCI bus
000D4000 - 000D7FFF PCI bus
000D800 - 00DBFFF PCI bus
000DC00 - 00DFFFF PCI bus
000E0000 - 00E3FFF PCI bus
000E4000 - 000E7FFF PCI bus
000E800 - 000EBFFF PCI bus
000EC00 - 000EFFFF PCI bus
000F0000 - 000FFFFF PCI bus
4000000 - FEBFFFFF PCI bus
D0000000 - DFFFFFFF nVidia MCP67M
E000000 - EFFFFFFF Motherboard resources
System memory map specifications—Intel processors 109