Intel® Server Boards SE7320SP2 and SE7525GP2
Functional Architecture
Revision 4.0
45
3.7.1.1
DOS Compatibility Region
The first region of memory below 1 MB was defined for early PCs, and must be maintained for
compatibility reasons. The region is divided into sub-regions as shown in the following figure.
Figure 10. DOS Compatibility Region
= Mappable to PCI or ISA memory
= Main memory only
= PCI only
= Shadowed in main memory
000000h
07FFFFh
080000h
09FFFFh
0A0000h
0BFFFFh
0C0000h
0DFFFFh
0E0000h
0EFFFFh
0F0000h
0FFFFFh 1MB
960KB
896KB
768KB
640KB
512KB
0
System BIOS
Extended System BIOS
Add-in Card BIOS and
Buffer Area
PCI/ISA Video or SMM
Area
ISA Window Area
DOS Area
Summary of Contents for SE7320SP2 - 800MHZ Ecc Ddr Xeon
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