Download Intel Xeon E5450

6.3
6.2.1 Intel® Thermal Monitor Features...............................................................90
6.2.2 On-Demand Mode ...................................................................................92
6.2.3 PROCHOT# Signal ..................................................................................93
6.2.4 FORCEPR# Signal ...................................................................................93
6.2.5 THERMTRIP# Signal ................................................................................94
Platform Environment Control Interface (PECI) ......................................................94
6.3.1 Introduction ...........................................................................................94
6.3.2 PECI Specifications .................................................................................96
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Features ..................................................................................................................97
7.1
Power-On Configuration Options ..........................................................................97
7.2
Clock Control and Low Power States .....................................................................97
7.2.1 Normal State .........................................................................................98
7.2.2 HALT or Extended HALT State...................................................................98
7.2.3 Stop-Grant State .................................................................................. 100
7.2.4 Extended HALT Snoop or HALT Snoop State,
Stop Grant Snoop State......................................................................... 101
7.3
Enhanced Intel SpeedStep® Technology ............................................................. 101
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Boxed Processor Specifications.............................................................................. 103
8.1
Introduction .................................................................................................... 103
8.2
Mechanical Specifications .................................................................................. 105
8.2.1 Boxed Processor Heat Sink Dimensions (CEK)........................................... 105
8.2.2 Boxed Processor Heat Sink Weight .......................................................... 113
8.2.3 Boxed Processor Retention Mechanism and Heat Sink
Support (CEK)...................................................................................... 113
8.3
Electrical Requirements .................................................................................... 113
8.3.1 Fan Power Supply (Active CEK)............................................................... 113
8.3.2 Boxed Processor Cooling Requirements.................................................... 114
8.4
Boxed Processor Contents................................................................................. 115
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Debug Tools Specifications .................................................................................... 117
9.1
Debug Port System Requirements ...................................................................... 117
9.2
Target System Implementation.......................................................................... 117
9.2.1 System Implementation......................................................................... 117
9.3
Logic Analyzer Interface (LAI) ........................................................................... 117
9.3.1 Mechanical Considerations ..................................................................... 118
9.3.2 Electrical Considerations ........................................................................ 118
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Quad-Core Intel® Xeon® Processor 5400 Series Datasheet