Intel Xeon Wolfdale E3210 P4X-UPE3210-316-6M1333 Data Sheet

Product codes
P4X-UPE3210-316-6M1333
Page of 326
Datasheet
219
Host-Secondary PCI Express* Bridge Registers (D6:F0)  (Intel
®
 3210 MCH only)
8.5
RID1—Revision Identification
B/D/F/Type:
0/6/0/PCI
Address Offset: 8h
Default Value:
see table below
Access:
RO 
Size:
8 bits
This register contains the revision number of the MCH device 6. These bits are read 
only and writes to this register have no effect.
8.6
CC1—Class Code
B/D/F/Type:
0/6/0/PCI
Address Offset: 9–Bh
Default Value:
060400h
Access:
RO 
Size:
24 bits
This register identifies the basic function of the device, a more specific sub-class, and a 
register-specific programming interface.
Bit
Access
Default 
Value
Description
7:0
RO
see 
description
Revision Identification Number (RID1): This is an 8-bit value that 
indicates the revision identification number for the MCH Device 0. Refer to the 
Intel
®
 3200 and 3210 Chipset Specification Update for the value of this 
register. 
Bit
Access
Default 
Value
Description
23:16
RO
06h
Base Class Code (BCC): Indicates the base class code for this device. This 
code has the value 06h, indicating a Bridge device. 
15:8
RO
04h
Sub-Class Code (SUBCC): Indicates the sub-class code for this device. The 
code is 04h indicating a PCI to PCI Bridge. 
7:0
RO
00h
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.