Datasheet

Features
Dual-Core Intel
®
Xeon
®
Processor 7000 Series Datasheet 79
Cache Data:
25 - 26h 16 Reserved Reserved for future use
27 - 28h 16 L2 Cache Size per core 16-bit hexadecimal number (in KB)
29 - 2Ah 16 L3 Cache Size 16-bit hexadecimal number (in KB).
2B - 2Ch
16 Processor Cache VID 16-bit hexadecimal Vcache value
requested by CVID output (in mV).
2D - 2Eh
16 Cache Voltage, Minimum 16-bit hexadecimal Vcache value Minimum
Processor DC Cache Voltage in (in mV).
2F - 30h 16 Reserved Reserved
31h 8 Checksum 1 byte checksum
Package Data:
32 - 35h 32 Package Revision Four 8-bit ASCII characters
36h 8 Reserved Reserved for future use
37h 8 Checksum 1 byte checksum
Part Number Data:
38 - 3Eh 56 Processor Part Number Seven 8-bit ASCII characters
3F - 4Ch 112 Reserved Reserved
4D - 54h
64 Processor Electronic
Signature
64-bit identification number
55 - 6Eh 208 Reserved Reserved
6Fh 8 Checksum 1 byte checksum
Thermal Ref. Data:
70h 8 Reserved Reserved
71 - 72h 16 Reserved Reserved
73h 8 Checksum 1 byte checksum
Feature Data:
74 - 77h
32 Processor Core Feature
Flags
From CPUID function 1, EDX contents
78h
8 Processor Feature Flags [7] = Multi-Core
[6] = Serial Signature
[5] = Electronic Signature Present
[4] = Thermal Sense Device Present
[3] = Thermal Reference Byte Present
[2] = OEM EEPROM Present
[1] = Core VID Present
[0] = L3 Cache Present
79h
8 Processor Thread and Core
Information
[7:4] = Reserved
[3:2] = Number of cores
[1:0] = Number of threads per core
Table 7-2. Processor Information ROM Format (Sheet 2 of 3)
Offset/Section
# of
Bits
Function Notes