NH82810 S L7XK Intel, NH82810 S L7XK Datasheet - Page 71

• Manufacturer Part Number: NH82810 S L7XK
• Manufacturer: Intel

Specifications of NH82810 S L7XK

• Lead Free Status / RoHS Status: Compliant

4.1.1.1.
Datasheet
Figure 4. Detailed Memory System Address Map
R
Compatibility Area
This area is divided into the following address regions:
•
•
•
Size=32/64MB; MISCC Reg.
SMRAM Reg. (70h); Dev 0
SMRAM Reg. (70h); Dev 0
Size=0KB/512KB/1MB;
Size=0KB/512KB/1MB;
0–640 KB DOS Area
640–768 KB Video Buffer Area
768 KB–1 MB Memory (BIOS Area). System BIOS area, Extended System BIOS area, and
Expansion area
Size=512 KB – fixed
Base=MMADR Reg.
Base=GMADR Reg.
TOM (512 MB Max.)
FEEB FFFFh
FEE9 FFFFh
FEEC 0000h
FEEA 0000h
(14h); Dev 1
(72h); Dev 0
(10h); Dev 1
0FFFFFh
100000h
BFFFFh
C0000h
9FFFFh
A0000h
00000h
64 GB
4 GB
System Memory Space
Graphics Controller (GC)
control/status registers)
(shadowed in memory)
System/Application SW
Optional Graphics
Graphics Adapter
(memory-mapped
Graphics (virtual)
Optional ISA Hole
Optional HSEG
Extended CPU
Memory Space
(32MB/64MB)
Optional TSEG
Video BIOS
(128 KB)
Memory
Device
1 MB
16 MB
15 MB
Graphics (Virtual) Memory
PCI Memory accesses
PCI Memory Accesses to
Compatibility
PCI Memory
PCI Memory
PCI Memory
PCI Memory
to GC registers
Memory
DOS
Memory
Main
mapped to the
internal GC
Optionally
0BFFFFh
0C0000h
09FFFFh
0A0000h
000000h
0DBFFFh
0EFFFFh
0DFFFFh
0DC000h
0CFFFFh
0FFFFFh
0D0000h
0F0000h
0E0000h
(BIOS Shadow Area, etc.)
(BIOS Shadow Area, etc.)
(BIOS Shadow Area, etc.)
(BIOS Shadow Area, etc.)
Std PCI/ISA Video Mem
(SMM Mem) 128 KB
Optional CD Hole
Intel
Segment F
Segment E
Segment C
Segment D
DOS Area
(640 KB)
®
82810E (GMCH)
mem_map2.vsd
1 MB
960 KB
896 KB
880 KB
832 KB
768 KB
640 KB
0 KB
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