Asus P4PE - Manual (Page 50)

2-24 Chapter 2: Hardware information
9. CPU, Chassis, and Power Fan Connectors
(3-pin CPU_FAN1, PWR_FAN1, CHA_FAN1)
The fan connectors support cooling fans of 350mA~740mA (8.88W
max.) or a total of 1A~2.22A (26.64W 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. Lack of
sufficient air flow within the system may damage the motherboard
components. These are not jumpers! DO NOT place jumper caps on
the fan connectors!
10. Power supply thermal connector (2-pin TRPWR1)
If your power supply has a thermal monitoring feature, connect its
thermal sensor cable to this connector.
P4PE
®
P4PE 12-Volt Fan Connectors
CPU_FAN1
PWR_FAN1 CHA_FAN1
GND Rotation +12V
GND
Rotation
+12V
GND
Rotation
+12V
P4PE
®
P4PE Power Supply Thermal Connector
TRPWR1
Ground
TRPWR