Datasheet

76 Datasheet

3.7.5 RID – Revision Identification (Device #0)

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

3.7.6 SUBC – Sub Class Code Register (Device #0)

Address Offset: 0Ah

Default Value: 00h

Access: Read Only

Size: 8 bits

This register contains the Sub-Class Code for the GMCH/MCH Device #0. This code is 00h

indicating a Host Bridge device.

Bit Description

7:0 Sub-Class Code (SUBC): This is an 8-bit value that indicates the category of Bridge

into which the GMCH/MCH falls. The code is 00h indicating a Host Bridge.