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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