64-bit Intel Xeon Processor with 2MB L2 Cache Thermal/Mechanical Design Guidelines
4 64-bit Intel® Xeon™ Processor with 2MB L2 Cache Thermal/Mechanical Design Guideline
E.1 Thermal Management Logic and Thermal Monitor Feature.............................................. 69
E.1.1 Processor Power Dissipation.............................................................................. 69
E.1.2 Thermal Monitor Implementation ........................................................................ 69
E.1.3 Operation and Configuration............................................................................... 71
E.1.4 Thermal Monitor 2............................................................................................... 71
E.1.5 System Considerations....................................................................................... 73
E.1.6 Operating System and Application Software Considerations ............................. 73
E.1.7 Legacy Thermal Management Capabilities ........................................................ 73
E.1.8 On-Die Thermal Diode........................................................................................ 73
E.1.9 Cooling System Failure Warning ........................................................................ 76
Figures
2-1 64-bit Intel® Xeon™ Processor with 2MB L2 Cache Mechanical Drawing ....................... 12
2-2 Thermal Profile Diagram ................................................................................................... 15
2-3 TCONTROL and Thermal Profile Interaction .................................................................... 16
2-4 Dual Thermal Profile Diagram........................................................................................... 17
2-5 Thermal Profiles A and B for the 64-bit ntel® Xeon™ Processor with 2MB L2
Cache................................................................................................................................ 18
2-6 TCONTROL and Fan Speed Control ................................................................................ 20
2-7 Processor Thermal Characterization Parameter Relationships ........................................ 22
2-8 Exploded View of CEK Thermal Solution Components .................................................... 26
2-9 2U+ CEK Heatsink Thermal Performance ........................................................................ 28
2-10 1U CEK Heatsink Thermal Performance .......................................................................... 29
2-11 2U+ CEK Thermal Adherence to 64-bit Intel® Xeon™ Processor with 2MB L2
Cache Thermal Profile A................................................................................................... 30
2-12 1U CEK Thermal Adherence to 64-bit Intel® Xeon™ Processor with 2MB L2
Cache Thermal Profile B................................................................................................... 31
2-13 Isometric View of the 2U+ CEK Heatsink.......................................................................... 32
2-14 Isometric View of the 1U CEK Heatsink............................................................................ 32
2-15 CEK Spring Isometric View ............................................................................................... 34
2-16 Isometric View of CEK Spring Attachment to the Base Board .......................................... 34
2-17 Boxed Active CEK Heatsink Solutions with PWM/T-diode control (Representation
Only).................................................................................................................................. 35
2-18 Fan Cable Connection (Active CEK)................................................................................. 36
A-1 2U CEK Heatsink (Sheet 1 of 4) ....................................................................................... 40
A-2 2U CEK Heatsink (Sheet 2 of 4) ....................................................................................... 41
A-3 2U CEK Heatsink (Sheet 3 of 4) ....................................................................................... 42
A-4 2U CEK Heatsink (Sheet 4 of 4) ....................................................................................... 43
A-5 CEK Spring (Sheet 1 of 3)................................................................................................. 44
A-6 CEK Spring (Sheet 2 of 3)................................................................................................. 45
A-7 CEK Spring (Sheet 3 of 3)................................................................................................. 46
A-8 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling
Components (Sheet 1 of 6) ............................................................................................... 47
A-9 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling
Components (Sheet 2 of 6) ............................................................................................... 48
A-10 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling
Components (Sheet 3 of 6) ............................................................................................... 49
A-11 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling
Components (Sheet 4 of 6) ............................................................................................... 50
A-12 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling
Components (Sheet 5 of 6) ............................................................................................... 51
A-13 Baseboard Keepout Footprint Definition and Height Restrictions for Enabling