Asus P5N-MX - Motherboard - Micro ATX User Manual page 24

2. Push down two fasteners at a time
in a diagonal sequence to secure
the heatsink and fan assembly in
place.
3. When the fan and heatsink assembly is in place, connect the CPU fan cable
to the connector on the motherboard labeled CPU_FAN.
P5N-MX CPU Fan Connector
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•
1-12
A
B
B A
Do not forget to connect the CPU fan connector! Hardware monitoring
errors can occur if you fail to plug this connector.
We recommend you to install the chassis fan for better thermal state.
A
CPU_FAN
Chapter 1: Product introduction
B
A
B