Datasheet

Register Description
R
108 Datasheet
3.8.5 RID – Revision Identification Register (Device #0, Function
#1)
Address Offset: 08h
Default Value: 02h
Access: Read Only
Size: 8 bits
This register contains the revision number of the GMCH/MCH Device #0. These bits are Read
Only and Writes to this register have no effect.
Bit Description
7:0 Revision Identification Number (RID): This is an 8-bit value that indicates the revision
identification number for the GMCH/MCH Device #0.
Intel 852GME = 02
Intel 852PM = 02
3.8.6 SUBC – Sub-Class Code Register (Device #0, Function #1)
Address Offset: 0Ah
Default Value: 80h
Access: Read Only
Size: 8 bits
This register contains the Sub-Class code for the GMCH/MCH Device #0. This code is 80h
indicating Other Peripheral device.
Bit Description
7:0 Sub-Class Code (SUBC): This is an 8-bit value that indicates the category of Peripheral
device into which the GMCH/MCH Function #1 falls. The code is 80h indicating Other
Peripheral device.
3.8.7 BCC – Base Class Code Register (Device #0, Function #1)
Address Offset: 0Bh
Default Value: 08h
Access: Read Only
Size: 8 bits
This register contains the Base Class code of the GMCH/MCH Device #0 Function #1. This code
is 08h indicating Other Peripheral device.
Bit Description
7:0 Base Class Code (BASEC): This is an 8-bit value that indicates the Base Class Code
for the GMCH/MCH. This code has the value 08h, indicating Other Peripheral device.