2-16 Chapter 2: Hardware information
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.
5. When the heatsink and fan assembly is in place, connect the CPU fan cable
to the connector on the motherboard labeled CPU_FAN.
• 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.