Intel SE7525GP2 Product Specification - Page 59

Extended Memory

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Intel® Server Boards SE7320SP2 and SE7525GP2 Functional Architecture 3.7.1.2 Extended Memory Extended memory is defined as all address space greater than 1 MB. Extended Memory region covers 8 GB 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). Extended chipset region PCI Memory Space 64 GB High BIOS Area Top Of Memory (TOM) FFFFFFFFh FFE00000h APIC Space 512KB Extended System management RAM FEC0FFFFh FEC00000h Top of Low Memory (TOLM) Depends on installed DIMMs Main Memory Address Region Optional Fixed Memory Hole 16 MB 15 MB 100000h Figure 11 Extended Memory Map Revision 4.0 47

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IntelĀ® Server Boards SE7320SP2 and SE7525GP2
Functional Architecture
Revision 4.0
47
3.7.1.2
Extended Memory
Extended memory is defined as all address space greater than 1 MB. Extended Memory region
covers 8 GB 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 11
Extended Memory Map
Main Memory Address
Region
FFFFFFFFh
FFE00000h
FEC0FFFFh
FEC00000h
Top of Low Memory (TOLM)
Depends on installed DIMMs
16 MB
15 MB
100000h
High BIOS Area
APIC Space
Optional Fixed Memory
Hole
PCI Memory Space
Extended chipset
region
512KB Extended System
management RAM
Top Of Memory (TOM)
64 GB