| | 6.1.4 | Intel® Xeon® Processor E3-1220L (20W) Thermal Profile.............................. | 47 |
| | 6.1.5 | Intel® Xeon® Processor E3-1200 (95W) with Integrated | |
| | | Graphics Thermal Profile.......................................................................... | 48 |
| | 6.1.6 | Processor Specification for Operation Where Digital Thermal | |
| | | Sensor Exceeds TCONTROL ...................................................................... | 49 |
| | 6.1.7 | Thermal Metrology.................................................................................. | 54 |
| 6.2 | Processor Thermal Features ................................................................................ | 54 |
| | 6.2.1 | Processor Temperature............................................................................ | 54 |
| | 6.2.2 | Adaptive Thermal Monitor ........................................................................ | 54 |
| | 6.2.3 | THERMTRIP# Signal ................................................................................ | 58 |
| 6.3 | Intel® Turbo Boost Technology ............................................................................ | 58 |
| | 6.3.1 | Intel® Turbo Boost Technology Frequency.................................................. | 58 |
| | 6.3.2 | Intel® Turbo Boost Technology Graphics Frequency..................................... | 59 |
| 6.4 | Thermal Considerations ...................................................................................... | 59 |
| | 6.4.1 | Intel® Turbo Boost Technology Power Control and Reporting ........................ | 60 |
| | 6.4.2 | Package Power Control ............................................................................ | 61 |
| | 6.4.3 | Power Plane Control ................................................................................ | 61 |
| | 6.4.4 | Turbo Time Parameter............................................................................. | 61 |
7 | PECI Interface ......................................................................................................... | 63 |
| 7.1 | Platform Environment Control Interface (PECI) ...................................................... | 63 |
| | 7.1.1 | Introduction........................................................................................... | 63 |
8 | Sensor Based Thermal Specification Design Guidance .............................................. | 65 |
| 8.1 | Sensor Based Specification Overview (DTS 1.0) ..................................................... | 65 |
| 8.2 | Sensor Based Thermal Specification ..................................................................... | 67 |
| | 8.2.1 | TTV Thermal Profile................................................................................. | 67 |
| | 8.2.2 | Specification When DTS value is Greater than TCONTROL............................. | 68 |
| 8.3 | Thermal Solution Design Process ......................................................................... | 68 |
| | 8.3.1 | Boundary Condition Definition .................................................................. | 68 |
| | 8.3.2 | Thermal Design and Modelling .................................................................. | 69 |
| | 8.3.3 | Thermal Solution Validation...................................................................... | 69 |
| 8.4 | Fan Speed Control (FSC) Design Process............................................................... | 69 |
| | 8.4.1 | DTS 1.1 A New Fan Speed Control Algorithm without TAMBIENT Data ............ | 71 |
| 8.5 | System Validation.............................................................................................. | 73 |
9 | 1U Thermal Solution ................................................................................................ | 75 |
| 9.1 | Performance Targets .......................................................................................... | 75 |
| 9.2 | 1U Collaboration Heatsink ................................................................................... | 75 |
| | 9.2.1 | Heatsink Performance ............................................................................. | 75 |
| | 9.2.2 | Thermal Solution .................................................................................... | 78 |
| | 9.2.3 | Assembly............................................................................................... | 79 |
| 9.3 | 1U Reference Heatsink ....................................................................................... | 80 |
| | 9.3.1 | Heatsink Performance ............................................................................. | 80 |
| | 9.3.2 | Thermal Solution .................................................................................... | 80 |
| | 9.3.3 | Assembly............................................................................................... | 81 |
| 9.4 | Geometric Envelope for 1U Thermal Mechanical Design ........................................... | 81 |
| 9.5 | Thermal Interface Material .................................................................................. | 81 |
| 9.6 | Heat Pipe Thermal Consideration ......................................................................... | 81 |
10 | Active Tower Thermal Solution ................................................................................ | 83 |
| 10.1 | Introduction...................................................................................................... | 83 |
| 10.2 | Mechanical Specifications.................................................................................... | 84 |
| | 10.2.1 | Cooling Solution Dimensions .................................................................... | 84 |
| | 10.2.2 | Retention Mechanism and Heatsink Attach Clip Assembly ............................. | 85 |
| 10.3 | Electrical Requirements ...................................................................................... | 85 |
| | 10.3.1 | Active Tower Heatsink Power Supply ......................................................... | 85 |
| 10.4 | Cooling Requirements ........................................................................................ | 87 |