Compaq DC7600 HP Compaq dx 7200 and dc7600 Personal Computers, Technical Refer - Page 53

Graphics RAM area is mapped to PCI or AGP locations., KB fixed memory area can

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Figure 3-3 shows the system memory map. Processor/Memory Subsystem Main Memory Area FFFF FFFFh FFE0 0000h F000 0000h High BIOS Area DMI/APIC Area 4 GB PCI Memory Area 0100 0000h 00FF FFFFh IGC (1-32 MB) TSEG Main Memory Top of DRAM 16 MB Main Memory 0010 0000h 000F FFFFh DOS Compatibilty Area 0000 0000h BIOS Extended BIOS Expansion Area Legacy Video Base Memory 1 MB 640 KB ✎ 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 area is mapped to PCI or AGP locations. Figure 3-3. System Memory Map Technical Reference Guide www.hp.com 3-7

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Technical Reference Guide
www.hp.com
3-7
Processor/Memory Subsystem
Figure 3-3 shows the system memory map.
✎
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 area is mapped to PCI or AGP locations.
Figure 3-3.
System Memory Map
High BIOS Area
DMI/APIC
PCI
Top of DRAM
16 MB
4 GB
TSEG
IGC (1-32 MB)
DOS
640 KB
FFFF FFFFh
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
Area
F000 0000h
Memory
Area
Memory
Memory
Area
Compatibilty
Area
Main
Memory