Vol 1

PIROM
182 Intel® Xeon® Product 2800/4800/8800 v2 Product Family
Datasheet Volume One, February 2014
9.3.5.2 Substrate Revision Software ID
This location is a place holder for the Substrate Revision Software ID. Writes to this
register have no effect.
9.3.5.3 RES6: Reserved 6
This location is reserved. Writes to this register have no effect.
9.3.6 Part Number Data
This section provides device traceability.
9.3.6.1 PFN: Processor Family Number
This location contains seven ASCII characters reflecting the Intel® family number for
the processor. This number is the same on all Intel® Xeon® E7 v2 processors.
Combined with the Processor SKU Number below, this is the complete processor part
number. This information is typically marked on the outside of the processor. If the part
number is less than 15 total characters, a leading space is inserted into the value. The
part number should match the information found in the marking specification. Writes to
this register have no effect.
Offset: 4Ch-4Fh
Bit Description
31:24 Character 4
ASCII character or 20h
00h-0FFh: ASCII character
23:16 Character 3
ASCII character
00h-0FFh: ASCII character
15:8 Character 2
ASCII character
00h-0FFh: ASCII character
7:0 Character 1
ASCII character
00h-0FFh: ASCII character
Offset: 50h
Bit Description
7:0 Substrate Revision Software ID
00h-FFh: Reserved
Offset: 51h-53h
Bit Description
23:0 RESERVED
000000h-FFFFFFh: Reserved