System Address Range Example - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - DATASHEET VOLUME 2 01-2011 Datasheet

Processor Configuration Registers
Figure 2-1
Figure 2-1.

System Address Range Example

TOUUD BASE
Reclaim Limit =
Reclaim Base + x
1 MB aligned
Reclaim BASE
1 MB aligned
FEC0_0000
TOLUD BASE
1 MB aligned
Datasheet, Volume 2
represents system memory address map in a simplified form.
HOST/SYSTEM VIEW
512 GB
PCI
Memory
Add. Range
(subtractively
decoded to
DMI)
Main
Memory
Reclaim
Add Range
Main
memory
Address
Range
Flash, APIC
Intel TXT
X
(20 MB)
PCI
Memory
Add. Range
(subtractively
decoded to
DMI)
TSEG
Main
Memory
Add Range
1 MB
Legacy
Add. Range
0
PHYSICAL MEMORY
(DRAM CONTROLLER VIEW)
TOM
MESEG BASE
4 GB
GFX Stolen BASE
GFX GTT Stolen BASE
TSEG BASE
0
1 MB aligned
ME-UMA
1 MB aligned
OS visible
> 4 GB
OS invisible
Reclaim
1 MB aligned
for reclaim
GFX Stolen
(0-256 MB)
1 MB aligned
GFX GTT
STOLEN
(0-2 MB)
1 MB aligned
TSEG
(0-8 MB)
1 MB aligned
OS
VISIBLE
< 4 GB
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