IBM Intel Xeon E5504 46M1078 User Manual

Product codes
46M1078
Page of 130
Intel® Xeon® Processor 5500 Series Datasheet, Volume 2
45
Register Description
2.5
PCI Standard Registers
These registers appear in every function for every device.
2.5.1
VID - Vendor Identification Register
The VID Register contains the vendor identification number. This 16-bit register, 
combined with the Device Identification Register uniquely identifies the manufacturer 
of the function within the processor. Writes to this register have no effect.
2.5.2
DID - Device Identification Register
This 16-bit register combined with the Vendor Identification register uniquely identifies 
the Function within the processor. Writes to this register have no effect. See 
 
for the DID of each processor function.
Device:
0
Function:
0-1
Offset:
00h
Device:
2
Function:
0-1, 4-5
Offset:
00h
Device:
3
Function:
0-2, 4
Offset:
00h
Device:
4-6
Function:
0-3
Offset:
00h
Bit
Type
Reset 
Value
Description
15:0
RO
8086h
Vendor Identification Number
The value assigned to Intel.
Device:
0
Function:
0-1
Offset:
02h
Device:
2
Function:
0-1, 4-5
Offset:
02h
Device:
3
Function:
0-2, 4
Offset:
02h
Device:
4-6
Function:
0-3
Offset:
02h
Bit
Type
Reset 
Value
Description
15:0
RO
*See
Device Identification Number 
Identifies each function of the processor.