Lenovo AD80582QH056003 Datasheet Page 115
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Intel® Xeon® Processor 7400 Series Datasheet 115
Features
Details on each of these sections are described below.
Note: Reserved fields or bits SHOULD be programmed to zeros. However, OEMs should not
rely on this model.
7.4.3.1 Header
To maintain backward compatibility, the Header defines the starting address for each
subsequent section of the PIROM. Software should check for the offset before reading
data from a particular section of the ROM.
Example: Code looking for the cache data of a processor would read offset 05h to find
a value of 25h. 25h is the first address within the 'Cache Data' section of the PIROM.
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] = Reserved
[2] = OEM EEPROM Present
[1] = Core VID Present
[0] = L3 Cache Present
79h 8 Processor Thread and Core
Information
[7:2] = Number of cores
[1:0] = Number of threads per core
7Ah 8 Additional Processor Feature
Flags
[7] = Reserved
[6] = Intel
®
Cache Safe Technology
[5] = Extended Halt State (C1E)
[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
Table 7-6. Processor Information ROM Data Sections (Sheet 3 of 3)
Offset/Section
# of
Bits
Function Notes
- Datasheet 1
- Contents 3
- Revision History 7
- 1 Introduction 9
- 1.1 Terminology 11
- Introduction 12
- 1.2 State of Data 13
- 1.3 References 13
- 2 Electrical Specifications 15
- 2.2 Decoupling Guidelines 16
- Clocking 16
- 2.3.2 PLL Power Supply 18
- Electrical Specifications 20
- Table 2-4. FSB Signal Groups 21
- Asynchronous Signals 22
- 2.9 Mixing Processors 23
- Time Duration (s) 28
- Sustained Current (A) 28
- Table 2-10. V 30
- Figure 2-4. V 31
- 2.11.2 V 33
- Overshoot Specification 33
- 2.11.3 Die Voltage Validation 33
- 2.11.4.1 DC Characteristics 34
- 2.12 AGTL+ FSB Specifications 35
- Tp = T1: BCLK[1:0] period 42
- THERMTRIP# 46
- System bus 48
- FERR#/PBE# 48
- Figure 2-22. VID Step Timings 49
- 3 Mechanical Specifications 51
- Mechanical Specifications 52
- 3.7 Processor Materials 61
- 3.8 Processor Markings 62
- Processor 63
- 4 Pin Listing 65
- (Sheet 3 of 16) 66
- (Sheet 4 of 16) 66
- (Sheet 5 of 16) 67
- (Sheet 6 of 16) 67
- (Sheet 7 of 16) 68
- (Sheet 8 of 16) 68
- (Sheet 9 of 16) 69
- (Sheet 10 of 16) 69
- (Sheet 11 of 16) 70
- (Sheet 12 of 16) 70
- (Sheet 13 of 16) 71
- (Sheet 14 of 16) 71
- (Sheet 15 of 16) 72
- (Sheet 16 of 16) 72
- (Sheet 1 of 14) 73
- (Sheet 2 of 14) 73
- (Sheet 3 of 14) 74
- (Sheet 4 of 14) 74
- (Sheet 5 of 14) 75
- (Sheet 6 of 14) 75
- (Sheet 7 of 14) 76
- (Sheet 8 of 14) 76
- (Sheet 9 of 14) 77
- (Sheet 10 of 14) 77
- (Sheet 11 of 14) 78
- (Sheet 12 of 14) 78
- (Sheet 13 of 14) 79
- (Sheet 14 of 14) 79
- Pin Listing 80
- 5 Signal Definitions 81
- FSB agents 85
- . The processor includes 86
- 6 Thermal Specifications 89
- CASE_MAX 90
- CASE (°C) 91
- = 0.431 x Power + 45 95
- Power (W) 96
- Temperature (C) 96
- 6.1.2 Thermal Metrology 97
- 6.2.2 Intel Thermal Monitor 97
- 6.2.3 Intel Thermal Monitor 2 98
- 6.2.4 On-Demand Mode 99
- 6.2.5 PROCHOT# Signal 100
- 6.2.6 FORCEPR# Signal 100
- 6.2.7 THERMTRIP# Signal 100
- 6.3.1 Introduction 101
- 6.3.1.1 T 102
- 6.3.2.1 PECI Device Address 103
- 6.3.2.2 PECI Command Support 103
- 7 Features 105
- 7.2.2.1 HALT State 106
- 7.2.2.2 Extended HALT State 106
- 7.2.3 Stop-Grant State 108
- 7.3 Enhanced Intel SpeedStep 109
- Technology 109
- Features 110
- 7.4.1 SMBus Device Addressing 111
- Transactions 112
- 7.4.3.1 Header 115
- 7.4.3.2 Processor Data 119
- 0Eh-13h 120
- 7.4.3.3 Processor Core Data 121
- Offset: 1Ah-1Bh 122
- 7.4.3.4 Cache Data 124
- Offset: 29h-2Ah 125
- 2Bh-2Ch 125
- 2Dh-2Eh 125
- 7.4.3.5 Package Data 126
- 7.4.3.6 Part Number Data 127
- 38h-3Eh 128
- 3Fh-4Ch 128
- 4Dh=54h 128
- 55h-6Eh 128
- 71h-72h 129
- 7.4.3.8 Feature Data 130
- 7.4.3.9 OD: Other Data 131
- 7.4.4 Checksums 132
- 7.4.5 Scratch EEPROM 132
- 8 Debug Tools Specifications 133
- Debug Tools Specifications 134
- 9.1 Introduction 135
- 9.2 Thermal Specifications 135
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