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Intel
®
631xESB/632xESB I/O Controller Hub for Embedded Applications
February 2007 TMDG
23
Reference Thermal Solution—Intel
®
6321ESB ICH
Note: Same Keepout zones as Intel ® 3100 Chipset
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 11. Torsional Clip Heatsink Board Component Keepout