Intel 4 Series

Reference Thermal Solution
25 Thermal and Mechanical Design Guidelines
Figure 9. Side View of ATX Boundary Conditions
Figure 10. Processor Heatsink Orientation to Provide Airflow to (G)MCH Heatsink on an
ATX Platform
Airflow Direction
Airflow Direction
Airflow Direction
Airflow Direction
GMCH Heatsink
Omni Directional Flow
Processor Heatsink
(Fan not Shown)
TOP VIEW
Airflow Direction
Airflow Direction
Airflow Direction
Airflow Direction
GMCH Heatsink
Omni Directional Flow
Processor Heatsink
(Fan not Shown)
TOP VIEW
Other methods exist for providing airflow to the (G)MCH heatsink, including the use of
system fans and/or ducting, or the use of an attached fan (active heatsink).