Техническая Спецификация для Intel Xeon Wolfdale E3210 P4X-UPE3210-316-6M1333
Модели
P4X-UPE3210-316-6M1333
System Address Map
38
Datasheet
3.1
Legacy Address Range
This area is divided into the following address regions:
• 0 - 640 KB – DOS Area
• 640 - 768 KB – Legacy Video Buffer Area
• 768 - 896 KB in 16 KB sections (total of 8 sections) – Expansion Area
• 896 -960 KB in 16 KB sections (total of 4 sections) – Extended System BIOS Area
• 960 KB - 1 MB Memory – System BIOS Area
• 640 - 768 KB – Legacy Video Buffer Area
• 768 - 896 KB in 16 KB sections (total of 8 sections) – Expansion Area
• 896 -960 KB in 16 KB sections (total of 4 sections) – Extended System BIOS Area
• 960 KB - 1 MB Memory – System BIOS Area
3.1.1
DOS Range (0h – 9_FFFFh)
The DOS area is 640 KB (0000_0000h – 0009_FFFFh) in size and is always mapped to
the main memory controlled by the MCH.
Figure 4.
DOS Legacy Address Range
Expansion Area
128 KB (16 KB x 8)
000C_0000h
000D_FFFFh
896 KB
Extended System BIOS (Lower)
64 KB (16 KB x 4)
000E_0000h
000E_FFFFh
960 KB
Legacy Video Area
(SMM Memory)
128 KB
000A_0000h
000B_FFFFh
768 KB
DOS Area
0000_0000h
0009_FFFFh
640 KB
System BIOS (Upper)
64 KB
000F_0000h
000F_FFFFh
1 MB