Technical Reference Guide www.hp.com 3-5
Processor/Memory Subsystem
Figure 3-2. System Memory Map (for maximum of 8 gigabytes)
✎
All locations in memory are cacheable. Base memory is always mapped to DRAM. The next 128
KB fixed memory area can, through the north bridge, be mapped to DRAM or to PCI space.
Graphics RAM areas are mapped to PCI locations.
High BIOS Area
PCI
256 MB
16 MB
8 GB
IGP
DOS
640 KB
1 FFFF FFFEh
1 MB
Main
BIOS
00FF FFFFh
FFE0 0000h
000F FFFFh
Base Memory
Extended BIOS
Legacy Video
Expansion Area
0000 0000h
0010 0000h
0100 0000h
Main
F000 0000h
Memory
Area
Memory
Memory
Area
Compatibilty
Area
Main
Memory
32 MB
4 GB
4.2 GB
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