Fan Connectors - Asus V-Series P5G31 Installation Manual

8. CPU, chassis and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN)
The fan connectors support cooling fans of 350 mA ~ 2000 mA (24 W max.)
or a total of 1 A ~ 7 A (84 W max.) at +12V. Connect the fan cables to the
fan connectors on the motherboard, making sure that the black wire of each
cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufficient air
flow inside the system may damage the motherboard components. These are
not jumpers! Do not place jumper caps on the fan connectors!

Fan Connectors

Only the CPU-FAN connector support the ASUS Advanced Q-Fan feature.
ASUS V-Series P5G31
CHA_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
PWR_FAN
Rotation
+12V
GND
CPU_FAN
GND
4-9