Asus A8N-SLI - Manual (Page 21)

A S U S A 8 N - S L I A S U S A 8 N - S L I A S U S A 8 N - S L I A S U S A 8 N - S L I A S U S A 8 N - S L I 1 - 1 1 1 - 1 1 1 - 1 1 1 - 1 1 1 - 1 1
5. When the fan and heatsink 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.
A8N-SLI
®
A8N-SLI CPU fan connector
CPU_FAN
GND Rotation +12V