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Intel® Server Board SE7520JR2 Functional Architecture
Revision 1.0
C78844-002
73
3.5.1.2 Extended Memory
Extended memory is defined as all address space greater than 1MB. Extended Memory region
covers 8GB maximum of address space from addresses 0100000h to FFFFFFFh, as shown in
the following figure. PCI memory space can be remapped to top of memory (TOM).
Figure 16. Extended Memory Map
Main Memory Address
Region
FFFFFFFFh
FFE00000h
FEC0FFFFh
FEC00000h
Top of Low Memory (TOLM)
Depends on installed DIMMs
16MB
15MB
100000h
High BIOS Area
A
PIC Space
Optional Fixed Memory
Hole
PCI Memory Space
Extended
lntel E7520 chipset
region
512KB Extended System
Management RAM
Top Of Memory (TOM)
64GB