Intel® 865G/865GV Chipset Datasheet - download.intel.nl - Intel

Register Description3.8.5 RID3—Revision Identification Register (Device 3)Address Offset:Default Value:Access:Size:08hSee table belowRO8 bitsThis register contains the revision number of the GMCH Device 3.Bit7:0DescriptionRevision Identification Number—RO. This is an 8-bit value that indicates the revisionidentification number for the GMCH Device 3. It is always the same as the value in the RID register.02h = A-2 Stepping3.8.6 SUBC3—Class Code Register (Device 3)Address Offset:Default Value:Access:Size:0Ah04hRO8 bitsThis register contains the Sub-Class Code for the GMCH Device 3.Bit7:0DescriptionSub-Class Code (SUBC)—RO. This is an 8-bit value that indicates the category of Bridge for theGMCH Device 3.04h = PCI-to-PCI bridge.3.8.7 BCC3—Base Class Code Register (Device 3)Address Offset:Default Value:Access:Size:0Bh06hRO8 bitsThis register contains the Base Class Code of the GMCH Device 3.Bit7:0DescriptionBase Class Code (BASEC)—RO. This is an 8-bit value that indicates the Base Class Code for theGMCH Device 3.06h = Bridge device.Intel ® 82865G/82865GV GMCH Datasheet 117