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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.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 97 98

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