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2 vid: vendor identification register, 3 did: device identification register, Vid: vendor identification register -3 – Intel 460GX User Manual

Page 149: Did: device identification register -3

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Intel® 460GX Chipset Software Developer’s Manual

8-3

WXB Hot-Plug

8.1.1

Page Number List for the IHPC PCI Register Descriptions

Register

Page

Arbiter SERR Status...................................................................................... 8-10
Base Address ................................................................................................... 8-7
CLASS: Class Register .................................................................................. 8-6
CLS: Cache Line Size ..................................................................................... 8-6
Device Identification Register......................................................................... 8-3
HDR: Header Register .................................................................................... 8-6
Hot-Plug Features............................................................................................ 8-9
Hot-Plug Slot Identifier ................................................................................... 8-8
Interrupt Pin..................................................................................................... 8-8
Interrupt Line................................................................................................... 8-7
Master Latency Timer ..................................................................................... 8-6
Memory Access Index................................................................................... 8-10
Memory Mapped Register Access Port......................................................... 8-10
Miscellaneous Hot-Plug Configuration........................................................... 8-8
PCICMD: PCI Command Register ................................................................. 8-4
PCISTS: PCI Status Register .......................................................................... 8-5
Power Fault SERR Status................................................................................ 8-9
RID: Revision Identification Register............................................................. 8-5
Subsystem Vendor ID ..................................................................................... 8-7
Subsystem ID .................................................................................................. 8-7
Switch Change SERR Status........................................................................... 8-9
VID: Vendor Identification Register............................................................... 8-3

8.1.2

VID: Vendor Identification Register

Address Offset:

00 – 01h

Size:

16 bits

Default Value:

8086h

Attributes:

Read-Only

The VID Register contains the vendor identification number, identifying the manufacturer of the
device. This 16-bit register combined with the Device Identification Register uniquely identifies
any PCI device. Writes to this register have no effect.

Bits

Description

15:0

Vendor Identification Number
This is a 16-bit value assigned to Intel. Intel VID = 8086h

8.1.3

DID: Device Identification Register

Address Offset:

02 – 03h

Size:

16 bits

Default Value:

123Fh

Attributes:

Read-Only

This 16-bit register combined with the Vendor Identification register uniquely identifies any PCI
device. Writes to this register have no effect.

Bits

Description

15:0

Device Identification Number
The value 123F indicates the IHPC