Datasheet

Register Description
36 Datasheet
2.5 PCI Standard Registers
These registers appear in every function for every device.
Note: Reserved bit locations are not shown in the following register tables.
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 Table 2-1
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
Table 2-1
Device Identification Number
Identifies each function of the processor.