Intel LF80550KF0604M Data Sheet

92

Dual-Core Intel® Xeon® Processor 7100 Series Datasheet

Details on each of these sections are described below. 

Reserved fields or bits SHOULD be programmed to zeros. However, OEMs should not 

rely on this model.

2D - 2Eh

16

Minimum Cache Voltage

Minimum processor DC V

CACHE

 in mV

2F - 30h

16

Reserved

Reserved

31h

8

Checksum

1 byte checksum

 32 - 35h

32

Package Revision

Four 8-bit ASCII characters

36h

8

Reserved

Reserved for future use

37h

8

Checksum

1 byte checksum

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

70h

8

Reserved

Reserved

71 - 72h

16

Reserved

Reserved

73h

8

Checksum

1 byte checksum

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] = Reserved

[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

7Ah

8

Additional Processor Feature 

Flags

[7] = Reserved

[6] = Intel

®

 Cache Safe Technology

[5] = C1E State

[4] = Intel

®

 Virtualization Technology

[3] = Execute Disable

[2] = Intel

®

 64

[1] = Thermal Monitor TM2

[0] = Enhanced Intel

®

 SpeedStep

 

Technology

7B-7Ch

16

Thermal Adjustment Factors 

(Pending)

[15:8] = Measurement Correction Factor

[7:0] = Temperature Target

7D-7Eh

16

Reserved

Reserved

7Fh

8

Checksum

1 byte checksum