Features
Offset:
73h
Bit
Description
7:0
TAP Chain Device Count
0000h-FFFFh: Reserved
7.5.8.6
RES9: Reserved 9
This location is reserved. Writes to this register have no effect.
Offset:
74h-75h
Bit
Description
15:0
RESERVED
0000h-FFFFh: Reserved
7.5.8.7
TRDCKS: Thermal Reference Data Checksum
This location provides the checksum of the Thermal Reference Data Section. Writes to
this register have no effect.
Offset:
76h
Bit
Description
7:0
Thermal Reference Data Checksum
One-byte checksum of the Thermal Reference Data Checksum
00h- FFh: See Section 7.5.10 for calculation of this value.
7.5.9
Other Data
This section contains a large reserved area, and items added after the original format
for the Intel Xeon Processor E7-8800/4800/2800 Product Families processor PIROM
was set.
7.5.9.1
PS/ESIG: 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. Writes to this register have no effect.
Offset:
77h-7Eh
Bit
Description
63:0
Processor Serial/Electronic Signature
0000000000000000h-FFFFFFFFFFFFFFFFh: Electronic Signature
Datasheet Volume 1 of 2
171
INTEL [ INTEL ]
