Datasheet

Features
106 Dual-Core Intel® Xeon® Processor 7100 Series Datasheet
7.4.3.6.3 PSERSIG: Processor Serial/Electronic Signature
This location contains a 64-bit identification number. The value in this field is either a
serial signature or an electronic signature. Bits 5 & 6 of the Processor Feature Flags
(Offset 78h) indicates which signature is present. Intel does not guarantee that each
processor will have a unique value in this field. Writes to this register have no effect.
7.4.3.6.4 RES7: Reserved 7
This location is reserved. Writes to this register have no effect.
7.4.3.6.5 PNDCKS: Part Number Data Checksum
This location provides the checksum of the Part Number Data Section. Writes to this
register have no effect.
7.4.3.7 Thermal Reference Data
This section is reserved for future use.
7.4.3.7.1 RES8: Reserved 8
This location is reserved. Writes to this register have no effect.
Offset: 4Dh=54h
Bit Description
63:0 Processor Serial/Electronic Signature
00000000h-FFFFFFFFh: Electronic Signature
Offset: 55h-6Eh
Bit Description
207:0 RESERVED 7
Offset: 6F
Bit Description
7:0 Part Number Data Checksum
One Byte Checksum of the Header Section
00h- FFh: See Section 7.4.4 for calculation of the value
Offset: 70h
Bit Description
7:0 RESERVED 8