Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL S AND DESIGN GUIDELINES 01-2011, Specifications

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4 Thermal/Mechanical Specifications and Design Guidelines
6.1.2 Intel
®
Core™ i7-2000 and i5-2000 Desktop Processor Series
(Quad Core 65W) and Intel
®
Core™ i3-2000 Desktop Processor Series
(Dual Core 65W) Thermal Profile..............................................................44
6.1.3 Intel
®
Core™ i5-2000 desktop processor series (Quad Core 45W)
Thermal Profile .......................................................................................46
6.1.4 Intel
®
Core™ i5-2000 and i3-2000 Desktop Processor Series
(Dual Core 35W) Thermal Profile...............................................................47
6.1.5 Processor Specification for Operation Where Digital Thermal Sensor
Exceeds T
CONTROL
...................................................................................48
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
Frequency/VID Control...............................................................54
6.2.2.2 Clock Modulation .......................................................................55
6.2.2.3 Immediate Transition to combined TM1 and TM2 ...........................55
6.2.2.4 Critical Temperature Flag ...........................................................56
6.2.2.5 PROCHOT# Signal .....................................................................56
6.2.3 THERMTRIP# Signal ................................................................................56
6.3 Intel
®
Turbo Boost Technology ............................................................................57
6.3.1 Intel
®
Turbo Boost Technology Frequency ..................................................57
6.3.2 Intel® Turbo Boost Technology Graphics Frequency ....................................57
6.4 Thermal Considerations ......................................................................................58
6.4.1
Intel
®
Turbo Boost Technology Power Control and Reporting ........................58
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
Fan Speed Control with Digital Thermal Sensor .............................61
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
Test for Compliance to the TTV Thermal Profile..............................68
8.3.3.2 Thermal Solution Characterization for Fan Speed Control ................68
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