Vent Shape - Intel FCPGA2 - Processor - 1 x Pentium 4 2.66 GHz Design Manuallines

R
EMI containment area due to EMI constraints. Outside the EMI containment area, the open percentage
can be greater if needed for aesthetic appeal (i.e., bezel/cosmetics).
5.6.4.3.

Vent Shape

Round, staggered pattern openings are best for EMI containment, acoustics, and airflow balance.
249660-001
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Intel Pentium III Processor in the FC-PGA2 Package Thermal Design Guidelines
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