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

4

Thermal/Mechanical Specifications and Design Guideline