參數(shù)資料
型號: FW82815
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 122/172頁
文件大?。?/td> 795K
代理商: FW82815
82815 GMCH
R
122
Datasheet
4.1.1.
Memory Address Ranges
Figure 4 shows a high-level representation of the system memory address map. Figure 5 provides
additional details on mapping specific memory regions as defined and supported by the GMCH.
Figure 4. System Memory Address Map
Top of the Main Memory
PCI
Memory
Address
Range
4 GB
0
Independently
Programmable Non-
Overlapping Memory
Windows
mem_map_s
Local
Memory
Range
Memory
Mapped
Range
Main
Memory
Address
Range
Figure 5. Detailed Memory System Address Map
mem_map
DOS Area
(640 KB)
000000h
0A0000h
09FFFFh
0C0000h
0BFFFFh
0E0000h
0DFFFFh
0FFFFFh
1 MB
896 KB
768 KB
640 KB
0 KB
0F0000h
0EFFFFh
960 KB
DOS
Compatibility
Memory
0 MB
Optionally
mapped to the
internal AGP
Std PCI/ISA
Video Mem
(SMM Mem)
128 KB
Expansion Card
BIOS
and Buffer Area
(128 KB;
16 KB x 8)
Lower BIOS Area
(64 KB; 16 KB x 4)
Upper BIOS Area
(64 KB)
System Memory
Space
64 GB
1 MB
16 MB
640 KB
15 MB
512 MB
4 GB Max TOM
Optional ISA Hole
Main Memory
Range
PCI
Memory
Range
Extended
P6
Memory
AGP
Window
Graphics
Aperture
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