Asus P5B-MX - Motherboard - Micro ATX User Manual page 26

2. Push down two fasteners at a time in
a diagonal sequence to secure the
heatsink and fan assembly in place.
3. Connect the CPU fan cable to the connector on the motherboard labeled
CPU_FAN.
P5B-MX/WiFi-AP CPU Fan Connector
Do not forget to connect the CPU fan connector! Hardware monitoring errors
can occur if you fail to plug this connector.
1-14
A B
B A
A
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
Chapter 1: Product introduction
B
A
B