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Register Description
R
Intel
®
82845 MCH for SDR Datasheet 45
3.5.1 VID—Vendor Identification Register (Device 0)
Address Offset: 00–01h
Default Value: 8086h
Attribute: RO
Size: 16 bits
The VID Register contains the vendor identification number. This 16-bit register combined with
the DID Register uniquely identifies any PCI device. Writes to this register have no effect.
Bit Description
15:0 Vendor Identification Number. This is a 16-bit value assigned to Intel.
Intel VID = 8086h.
3.5.2 DID—Device Identification Register (Device 0)
Address Offset: 02–03h
Default Value: 1A30h
Attribute: RO
Size: 16 bits
This 16-bit register combined with the VID Register uniquely identifies any PCI device. Writes to
this register have no effect.
Bit Description
15:0 Device Identification Number. This is a 16-bit value assigned to the MCH Host-Hub Interface
Bridge Function #0.