5.When the heatsink and fan assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

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Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.

This connector is backward compatible with old 3-pin CPU fan.

6.Repeat steps 1 to 5 to install the other heatsink and fan assembly if you have installed a second CPU, then connect the fan cable to the other 4‑pin connector.

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Chapter 2: Hardware information