Asus V3-P5G45 - Manual (Page 71)

4-11 ASUS V-Series P5G45
7.. CPU�� chassis and power fan connectors CPU��.chassis.and.power.fan.connectors.
(4-pin.CPU_FAN��.3-pin.CHA_FAN1��.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 –7 A (84 W max.) at +12V. Connect the fan cables to the fan 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!
Only the CPU_FAN and CHA_FAN 1 connectors support the ASUS Fan Xpert
feature.