Asus P5B-MX/WIFI-AP - Manual (Page 26)

1-14 Chapter 1: Product introduction
3. Connect the CPU fan cable to the connector on the motherboard labeled
CPU_FAN.
2. Push down two fasteners at a time in
a diagonal sequence to secure the
heatsink and fan assembly in place.
B
A
A
A B
B
Do not forget to connect the CPU fan connector! Hardware monitoring errors
can occur if you fail to plug this connector.
A
B
P
5
B
-M
X
/W
iF
i-
A
P
R
P5B-MX/WiFi-AP CPU Fan Connector
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM