Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL SPECIFICATIONS AND DESIGN GUIDELINES 01-2011 Specifications page 4

6.1.2 Intel
(Quad Core 65W) and Intel
(Dual Core 65W) Thermal Profile..............................................................44
6.1.3 Intel
Thermal Profile .......................................................................................46
6.1.4 Intel
(Dual Core 35W) Thermal Profile...............................................................47
6.1.5 Processor Specification for Operation Where Digital Thermal Sensor
Exceeds T
6.1.6 Thermal Metrology ..................................................................................52
6.2 Processor Thermal Features ................................................................................53
6.2.1 Processor Temperature............................................................................53
6.2.2 Adaptive Thermal Monitor ........................................................................53
6.2.2.1
6.2.2.2
6.2.2.3
6.2.2.4
6.2.2.5
6.2.3 THERMTRIP# Signal ................................................................................56
®
6.3 Intel Turbo Boost Technology ............................................................................57
6.3.1 Intel
6.3.2 Intel® Turbo Boost Technology Graphics Frequency ....................................57
6.4 Thermal Considerations ......................................................................................58
6.4.1 Intel
6.4.2 Package Power Control ............................................................................59
6.4.3 Power Plane Control ................................................................................60
6.4.4 Turbo Time Parameter.............................................................................60
7 PECI Interface .........................................................................................................61
7.1 Platform Environment Control Interface (PECI) ......................................................61
7.1.1 Introduction ...........................................................................................61
7.1.1.1
8 Sensor Based Thermal Specification Design Guidance ..............................................63
8.1 Sensor Based Specification Overview (DTS 1.0) .....................................................63
8.2 Sensor Based Thermal Specification .....................................................................65
8.2.1 TTV Thermal Profile.................................................................................65
8.2.2 Specification When DTS value is Greater than TCONTROL.............................66
8.3 Thermal Solution Design Process .........................................................................66
8.3.1 Boundary Condition Definition ..................................................................67
8.3.2 Thermal Design and Modelling ..................................................................68
8.3.3 Thermal Solution Validation......................................................................68
8.3.3.1
8.3.3.2
8.4 Fan Speed Control (FSC) Design Process...............................................................69
8.4.1 Fan Speed Control Algorithm without TAMBIENT Data..................................70
8.4.2 Fan Speed Control Algorithm with TAMBIENT Data ......................................71
8.4.3 DTS 1.1 A New Fan Speed Control Algorithm without TAMBIENT Data ............73
8.4.4 Fan Speed Control Implementation Details .................................................75
8.5 System Validation ..............................................................................................76
8.6 Thermal Solution Characterization........................................................................77
9 ATX Reference Thermal Solution ..............................................................................79
9.1 Heatsink Thermal Solution ..................................................................................79
9.2 Geometric Envelope for the Intel Reference ATX Thermal Mechanical Design..............81
9.3 Reference Design Components ............................................................................82
9.3.1 Extrusion ...............................................................................................82
4
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Core™ i7-2000 and i5-2000 Desktop Processor Series
®
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Core™ i5-2000 desktop processor series (Quad Core 45W)
®
Core™ i5-2000 and i3-2000 Desktop Processor Series
...................................................................................48
CONTROL
Frequency/VID Control...............................................................54
Clock Modulation .......................................................................55
Immediate Transition to combined TM1 and TM2 ...........................55
Critical Temperature Flag ...........................................................56
PROCHOT# Signal .....................................................................56
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Turbo Boost Technology Frequency ..................................................57
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Turbo Boost Technology Power Control and Reporting ........................58
Fan Speed Control with Digital Thermal Sensor .............................61
Test for Compliance to the TTV Thermal Profile..............................68
Thermal Solution Characterization for Fan Speed Control ................68
Core™ i3-2000 Desktop Processor Series
Thermal/Mechanical Specifications and Design Guidelines