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5.2 Memory Space
0000 Main Memory
A_0000
Legacy Video Area
B_FFFF
(SMM Memory)(128K)
C_0000
Video BIOS(Max 64K) (*1)
C_FFFF
D_0000
Option ROM(64K) (*2)
D_FFFF
E_0000
Extended System BIOS/System
F_FFFF
BIOS(128K)
(1MB)10_0000 Main Memory
TSEG_BASE TSEG (TSEG_SIZE)
Gap
(Max) D000_0000 PCI Memory
E000_0000
PCI Express Memory Mapped
F000_0000
Configuration
F000_0000
DMI Interface
FEBF_FFFF
FEC0_0000
I/O APIC / Local APIC(1M)
FECF_FFFF
FED0_0000
DMI Interface
FEDF_FFFF
FEE0_0000
MSI Interface
FEEF_FFFF
FEF0_0000
DMI Interface
FFDF_0000
FFE0_0000
SPI BIOS(2M)
(4GB)FFFF_FFFF
1_0000_0000
Main Memory
TOM
MMIOH
Privileged CSR
(2T)
5-7
5. SPECIFICATION
Space available for real mode.
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