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Document Number: 318080-002 95
Thermal Specifications
6 Thermal Specifications
6.1 Package Thermal Specifications
The Intel
®
Xeon
®
Processor 7200 Series and 7300 Series requires a thermal solution to
maintain temperatures within its operating limits. Any attempt to operate the processor
outside these operating limits may result in permanent damage to the processor and
potentially other components within the system. As processor technology changes,
thermal management becomes increasingly crucial when building computer systems.
Maintaining the proper thermal environment is key to reliable, long-term system
operation.
A complete solution includes both component and system level thermal management
features. Component level thermal solutions can include active or passive heatsinks
attached to the processor integrated heat spreader (IHS). Typical system level thermal
solutions may consist of system fans combined with ducting and venting.
This section provides data necessary for developing a complete thermal solution. For
more information on designing a component level thermal solution, refer to the Dual-
Core Intel® Xeon® Processor 7200 Series and Quad-Core Intel® Xeon® Processor
7300 Series Thermal / Mechanical Design Guide.
6.1.1 Thermal Specifications
To allow the optimal operation and long-term reliability of Intel processor-based
systems, the processor must remain within the minimum and maximum case
temperature (TCASE) specifications as defined by the applicable thermal profile (see
Table 6-1 and Figure 6-1 for Quad-Core Intel® Xeon® Processor E7300 Series,
Table 6-3 and Figure 6-2 for Quad-Core Intel® Xeon® X7350 Processor, Table 6-5 and
Figure 6-3 for Quad-Core Intel® Xeon® L7345 Processor, Table 6-7 and Figure 6-4 for
Dual-Core Intel® Xeon® Processor 7200 Series). Thermal solutions not designed to
provide this level of thermal capability may affect the long-term reliability of the
processor and system. For more details on thermal solution design, please refer to the
Dual-Core Intel® Xeon® Processor 7200 Series and Quad-Core Intel® Xeon®
Processor 7300 Series Thermal / Mechanical Design Guide.
The Intel
®
Xeon
®
Processor 7200 Series and 7300 Series implement a methodology for
managing processor temperatures which is intended to support acoustic noise
reduction through fan speed control and to assure processor reliability. Selection of the
appropriate fan speed is based on the relative temperature data reported by the
processor’s Platform Environment Control Interface (PECI) bus as described in
Section 6.3. The temperature reported over PECI is always a negative value and
represents a delta below the onset of thermal control circuit (TCC) activation, as
indicated by PROCHOT# (see Section 6.2, Processor Thermal Features). Systems that
implement fan speed control should be designed to use this data. Systems that do not
alter the fan speed also need to guarantee the case temperature meets the thermal
profile specifications.
The Quad-Core Intel® Xeon® Processor E7300 Series (see Figure 6-1; Table 6-2),
Quad-Core Intel® Xeon® L7345 Processor (see Figure 6-3; Table 6-6) and Dual-Core
Intel® Xeon® Processor 7200 Series (see Figure 6-4; Table 6-8) supports a single
Thermal Profile. The Thermal Profile is indicative of a constrained thermal environment
(Ex: 1U form factor). Because of the reduced cooling capability represented by this
solution, the probability of TCC activation and performance loss is increased.
- Processor 7200 Series 1
- Contents 3
- 4 Document Number: 318080-002 4
- Document Number: 318080-002 5 5
- 6 Document Number: 318080-002 6
- Document Number: 318080-002 7 7
- Revision History 8
- 1 Introduction 9
- 1.1 Terminology 11
- Introduction 12
- 1.2 State of Data 13
- 1.3 References 13
- 2 Electrical Specifications 15
- Clocking 16
- 2.3.2 PLL Power Supply 17
- Electrical Specifications 18
- Table 2-4. FSB Signal Groups 21
- Asynchronous Signals 22
- 2.9 Mixing Processors 23
- CC_VTT_OUT 27
- Time Duration (s) 28
- Sustained Current (A) 28
- Table 2-10. V 30
- Load Lines 32
- Static and Transient 34
- Tolerance Load Lines 34
- Specifications 35
- 2.11.2.1 DC Characteristics 36
- 2.11.3 V 37
- Overshoot Specification 37
- Example Overshoot Waveform 38
- Tp = T1: BCLK[1:0] period 47
- THERMTRIP# 51
- Figure 2-26. VID Step Timings 54
- 3 Mechanical Specifications 57
- Mechanical Specifications 58
- 3.7 Processor Materials 67
- 3.8 Processor Markings 68
- Processor 69
- 4 Pin Listing 71
- 10 of 16) 75
- 11 of 16) 76
- 12 of 16) 76
- 13 of 16) 77
- 14 of 16) 77
- 15 of 16) 78
- 16 of 16) 78
- 1 of 14) 79
- 2 of 14) 79
- 3 of 14) 80
- 4 of 14) 80
- 5 of 14) 81
- 6 of 14) 81
- 8 of 14) 82
- 7 of 14) 82
- 9 of 14) 83
- 10 of 14) 83
- 11 of 14) 84
- 12 of 14) 84
- 13 of 14) 85
- 14 of 14) 85
- Pin Listing 86
- 5 Signal Definitions 87
- CC and BCLK have reached 92
- 6 Thermal Specifications 95
- CASE_MAX 96
- Thermal Profile 98
- = 0.162 x Power + 45 98
- Pow er (W) 100
- Temperature (C) 100
- = 0.420 x Power + 45 100
- = 0.238 x Power + 45 101
- 6.1.2 Thermal Metrology 102
- 6.2.2 Thermal Monitor 103
- 6.2.3 Thermal Monitor 2 104
- 6.2.4 On-Demand Mode 105
- 6.2.5 PROCHOT# Signal 106
- 6.2.6 FORCEPR# Signal 106
- 6.2.7 THERMTRIP# Signal 106
- 6.3.1 Introduction 107
- 6.3.2 PECI Specifications 108
- 7 Features 111
- 7.2.1 Normal State 112
- EXTENDED_HALT 113
- 7.2.3 Stop-Grant State 114
- 7.3 Enhanced Intel SpeedStep 115
- Technology 115
- Features 116
- 7.4.1 SMBus Device Addressing 117
- Transactions 118
- 7.4.3.1 Header 121
- 7.4.3.2 Processor Data 125
- 7.4.3.3 Processor Core Data 126
- 16h-19h 127
- 1Ah-1Bh 127
- Offset: 1Ch 128
- 1Dh-1Eh 128
- 1Fh-20h 128
- 7.4.3.4 Cache Data 129
- 7.4.3.5 Package Data 131
- 7.4.3.6 Part Number Data 132
- 38h-3Eh 133
- 3Fh-4Ch 133
- 4Dh=54h 133
- 55h-6Eh 134
- 71h-72h 134
- 7.4.3.8 Feature Data 135
- 7.4.3.9 Other Data 136
- 7.4.4 Checksums 137
- 7.4.5 Scratch EEPROM 137
- 8.1 Introduction 139
- 8.2 Thermal Specifications 139
- 9 Debug Tools Specifications 141
- Debug Tools Specifications 142
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