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4 Intel
®
6700PXH 64-bit PCI Hub Thermal/Mechanical Design Guidelines
Figures
2-1. Intel
®
6700PXH 64-bit PCI Hub Package Dimensions (Top View) .............................9
2-2. Intel
®
6700PXH 64-bit PCI Hub Package Dimensions (Side View).............................9
2-3. Intel
®
6700PXH 64-bit PCI Hub Package Dimensions (Bottom View) ......................10
5-1. Zero Degree Angle Attach Heatsink Modifications ...................................................16
5-2. Zero Degree Angle Attach Methodology (Top View) ................................................16
6-1. Reference Heatsink Measured Thermal Performance Versus Approach Velocity ....17
6-2. Torsional Clip Heatsink Volumetric Envelope for the Intel
®
6700PXH 64-bit PCI Hub
Chipset Component ...........................................................................................18
6-3. Torsional Clip Heatsink Board Component Keepout ................................................19
6-4. Retention Mechanism Component Keepout Zones..................................................19
6-5. Torsional Clip Heatsink Assembly............................................................................20
6-6 Heatsink Rails to PXH Package Footprint.................................................................20
6-7. Torsional Clip Heatsink Extrusion Profile .................................................................21
B-1. Torsional Clip Heatsink Assembly Drawing .............................................................26
B-2. Torsional Clip Heatsink Drawing..............................................................................27
B-3.Torsional Clip Drawing .............................................................................................28
Tables
3-1. Intel
®
6700PXH 64-bit PCI Hub Thermal Specifications...........................................11
6-1. Chomerics* T710 TIM Performance as a Function of Attach Pressure.....................21
6-2. Reliability Guidelines ...............................................................................................22
B-1. Mechanical Drawing List..........................................................................................25