Figure 30. Step 9 - Plugging In The Fan - Intel Core 2 Duo Processor User Manual

9. Plug the fan connector for the heatsink onto the CPU fan header (J2B3) on the
motherboard. (See the figure below.) The CPU fan header (J2B3) is a 3-pin
connector with the words CPU Fan printed beside it.

Figure 30. Step 9 - Plugging in the Fan

Once the thermal solution is in-place, the development kit is ready to use.
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CPU Thermal Solution (Heatsink) Installation
Development Kit User's Manual