Intel D425 AU80610006252AA User Manual
Product codes
AU80610006252AA
Processor Configuration Registers
28
Datasheet
1.5
PCI Device 0
The CPU/DMI controller registers are in Device 0 (D0), Function 0 (F0).
Warning: Address locations that are not listed are considered Intel Reserved registers locations.
Reads to Reserved registers may return non-zero values. Writes to reserved locations may
cause system failures.
cause system failures.
All registers that are defined in the latest PCI Local Bus Specification, but are not
necessary or implemented in this component are simply not included in this
necessary or implemented in this component are simply not included in this
document. The reserved/unimplemented space in the PCI configuration header space
is not documented as such in this summary.
is not documented as such in this summary.
Table 1-7. Device 0 Function 0 Register Summary
Register
Name
Register
Symbol
Register
Start
Register End
Default
Value
Access
Vendor
Identification
Identification
VID
0 1 8086h
RO;
Device
Identification
Identification
DID
2 3 A000h
RO;
PCI
Command
PCICMD
4 5 0006h
RO;
RW;
PCI
Status
PCISTS
6 7 0090h
RWC;
RO;
Revision
Identification
Identification
RID
8 8 02h
RO;
Class Code
CC
9
B
060000h
RO;
Master Latency
Timer
Timer
MLT
D D 00h
RO;
Header
Type
HDR
E E 00h
RO;
Subsystem
Vendor
Identification
Vendor
Identification
SVID 2C
2D 0000h
RWO;
Subsystem
Identification
Identification
SID 2E 2F 0000h
RWO;
Capabilities
Pointer
Pointer
CAPPTR
34 34 E0h
RO;
PCI Express
Egress Port
Base Address
Egress Port
Base Address
PXPEPBAR
40 47 000000000000
0000h
RW/L; RO;
GMCH Memory
Mapped
Register Range
Base
Mapped
Register Range
Base
MCHBAR 48
4F
000000000000
0000h
0000h
RW/L; RO;
GMCH
Graphics
Control
Graphics
Control
GGC
52 53 0030h
RO;
RW/L;