Update

R
Specification Update 9
Identification Information
Component Identification via Programming Interface
The Intel 855GM/855GME chipset GMCH may be identified by the following register contents.
Component Stepping Vendor ID
1
Device ID
2
Revision Number
3
855GM A2 8086h 3580h (Device #0) 02h
855GME A2 8086h 3580h (Device #0) 02h
NOTES:
1. The Vendor ID corresponds to bits 15-0 of the Vendor ID Register located at offset 00-01h in the PCI function 0
configuration space.
2. The Device ID corresponds to bits 15-0 of the Device ID Register located at offset 02-03h in the PCI function 0
configuration space.
3. The Revision Number corresponds to bits 7-0 of the Revision ID Register located at offset 08h in the PCI function
0 configuration space.
Component Marking Information
The Intel 855GM chipset GMCH may be identified by the following component markings.
Component Stepping S-Spec Top Marking Notes
855GM A2 SL6WW RG82855GM Production 82855GM GMCH
855GME A2 SL72L RG82855GME Production 82855GME
GMCH
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