RG82855GMESL72L Datasheet, PDF (87/213 Pages) Intel Corporation – Intel® 855GM/855GME Chipset Graphics and Memory Controller Hub (GMCH)

Register Description
R
4.9.1
VID – Vendor Identification Register
Address Offset:
Default Value:
Access:
Size:
00-01h
8086h
Read Only
16 bits
The VID Register contains the vendor identification number. This 16-bit register combined with
the Device Identification Register uniquely identifies any PCI device. Writes to this register have
no effect.
Bit
15:0
Description
Vendor Identification (VID): This register field contains the PCI standard identification for Intel.
4.9.2
DID – Device Identification Register
Address Offset:
Default Value:
Access:
Size:
02-03h
3584h
Read Only
16 bits
This 16-bit register combined with the Vendor Identification register uniquely identifies any PCI
device. Writes to this register have no effect.
Bit
15:0
Description
Device Identification Number (DID): This is a 16-bit value assigned to the GMCH Host– HI Bridge
Function #1 (3584h).
Datasheet
87