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8-6 Specifications
Table 8-6
System Memory Map
Size Memory Address System Function
256 KB FFFFFFFFh to FFFC0000h System ROM
2,080,512 KB FFFBFFFFh to 81000000h PCI Memory Expansion
16 MB 80FFFFFFh to 80000000h ISA Memory Mapped I/O Devices
1792 MB 7FFFFFFFh to 10000000h PCI Memory Expansion
240 MB 0FFFFFFFh to 01000000h HOST or PCI Memory Expansion
15 MB 00FFFFFFh to 00100000h HOST, PCI, or ISA Memory Expansion
64 KB 00EFFFFFh to 000F0000h System ROM
64 KB 000EFFFFh to 000E0000h Unused
96 KB 000DFFFFh to 000C8000h Unused
6 KB 000C7FFFh to 000C6000h Video ROM
2 KB 000C67FFh to 000C6000h Unused
24 KB 000C5FFFh to 000C6000h Video ROM
128 KB 000BFFFFh to 000A0000h Video RAM
640 KB 0009FFFFh to 00000000h Base Memory
All memory above the first 256 MB is non-cacheable. All PCI memory is non-cacheable.