5. CPU Board Resources
SPI-8550-LLVAS
41
5.
CPU Board Resources
System Address Map
The GMCH memory map includes a number of programmable ranges. All of these ranges must be
unique and non-overlapping. There are no hardware interlocks to prevent problems in the case of
overlapping ranges. Accesses to overlapped ranges may produce indeterminate results.
Compatibility Area
Address
Description
0 - 640KB
DOS area
640 - 768KB
Video Buffer area
768 - 896KB
Expansion Area
896 - 960KB
Extended System BIOS Area
960 - 1MB
System BIOS Area
Memory Segment
Memory Segments
Comments
00000h - 9FFFFh
0 - 640K DOS Region
A0000h - BFFFFh
Video Buffer
B0000h - B7FFFh
Monochrome Adapter range
C0000h - CFFFFh
Video BIOS
D0000h - DFFFFh
Expansion Area(SATA BIOS)
E0000h - EFFFFh
Extended System BIOS Area
F0000 - FFFFFh
System BIOS Area
100000h - FFFFFFFFh
Extended Memory Area
00100000 - Top of Main Memory
Main DRAM Address Range
Top of Main Memory
Extended SMRAM Address Range
Top of Main Memory To 4GB
PCI Memory Address Range
FEC0000h - FECFFFFFh,
FEE00000h - FEEFFFFFh
APIC configuration space
FFE0000h - FFFFFFFFh
High BIOS Area
PCI Routing Information
IDSEL
INT
Onboard Function
AD25
INT H
LAN Intel 82541
AD26 INT
G SATA
Содержание SPI-8550-LLVAS
Страница 7: ...vi SPI 8550 LLVAS...
Страница 13: ...1 Introduction 6 SPI 8550 LLVAS...
Страница 19: ...2 System Reference 12 SPI 8550 LLVAS...
Страница 47: ...4 Jumper Setting 40 SPI 8550 LLVAS...
Страница 51: ...6 Hardware Monitor 44 SPI 8550 LLVAS...