QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 321

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

System Address Map
Figure 10.
9.1
Datasheet
System Address Ranges
Legacy Address Range
This area is divided into the following address regions:
• 0 - 640 KB – DOS Area
• 640 - 768 KB – Legacy Video Buffer Area
• 768 - 896 KB in 16-KB sections (total of eight sections) – Expansion Area
• 896 -960 KB in 16-KB sections (total of four sections) – Extended System BIOS
• 960 KB - 1 MB Memory – System BIOS Area
Area
TOLUD
1 MB
4 GB
0
PCI Memory
(subtractively
decoded to
Address
Address
Address
Memory
Legacy
Range
Range
Range
Main
HI)
Device 0
Device 0
PCIEXBAR,
(Graphics
MCHBAR,
Memory)
(EPBAR,
DMIBAR
BARS
GGC
Stolen
Device 1
Independently Programmable
PMBASE1/
(MBASE1/
PMLIMIT1)
MLIMIT1,
Non-Overlapping Windows
Device 2
(MMADR,
GTTADR,
GMADR,
)
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