WXB Hot-Plug

8.1.1Page 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

8.1.2VID: 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

8.1.3DID: 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

Intel® 460GX Chipset Software Developer’s Manual

8-3