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Reference Thermal Solution 2
38 Intel® 631xESB/632xESB I/O Controller Hub Thermal Mechanical Design Guide
Note: NOTE: All dimensions are in inches.
7.5.1 Heatsink Orientation
Since this solution is based on a unidirectional heatsink, mean airflow direction must be
aligned with the direction of the heatsink fins.
Figure 7-4. Retention Mechanism Component Keepout Zones
0.896
0.345
0.120
1.156
0.170
(0.165)
0.100
0.225
2x
0.060
(0.345)
See Detail
A
0.070
"
Component
Keepout
0.07"
Component
Keepout
0.165
0.100
0.200
0.173
0.345
0.083
2x
0.038
Plated Through
Hole
Component
Keepout
Detail
A
2x
0.056
Trace
Keepout
Figure 7-5. Short Torsional Clip Heatsink Assembly