Rid6-Revision Identification Register; Cc6-Class Code Register - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - DATASHEET VOLUME 2 01-2011 Datasheet

2.10.5 RID6—Revision Identification Register
This register contains the revision number of the processor root port. These bits are
read only and writes to this register have no effect.
B/D/F/Type:
Address Offset:
Reset Value:
Access:
Size:
Bit
7:4
3:0
2.10.6 CC6—Class Code Register
This register identifies the basic function of the device, a more specific sub-class, and a
register- specific programming interface.
B/D/F/Type:
Address Offset:
Reset Value:
Access:
Size:
Bit
23:16
15:8
7:0
148
0/6/0/PCI
8h
00h
RO-FW
8 bits
Reset RST/
Attr
Value PWR
RO-FW 0h Uncore
RO-FW 0h Uncore
0/6/0/PCI
9–Bh
060400h
RO
24 bits
Reset RST/
Attr
Value PWR
RO 06h Uncore
RO 04h Uncore
RO 00h Uncore
Processor Configuration Registers
Description
Revision Identification Number MSB (RID_MSB)
This is an 8-bit value that indicates the revision identification
number for the root port. Refer to the 2nd Generation Intel
Core™ Processor Family Desktop Specification Update for the value
of the RID register.
Revision Identification Number (RID)
This is an 8-bit value that indicates the revision identification
number for the root port. Refer to the 2nd Generation Intel
Core™ Processor Family Desktop Specification Update for the value
of the RID register.
Description
Base Class Code (BCC)
Indicates the base class code for this device. This code has the
value 06h, indicating a Bridge device.
Sub-Class Code (SUBCC)
Indicates the sub-class code for this device. The code is 04h
indicating a PCI to PCI Bridge.
Programming Interface (PI)
Indicates the programming interface of this device. This value does
not specify a particular register set layout and provides no practical
use for this device.
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Datasheet, Volume 2