Asus P5KC Motherboard Installation Guide - Page 60

CPU, chassis, and power fan connectors, pin CPU_FAN, 3-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN, - cpu support

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9. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin CHA_FAN2, 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! ® P5KC PWR_FAN CPU_FAN CHA_FAN2 CHA_FAN1 P5KC Fan connectors CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND Rotation +12V GND PWR_FAN CHA_FAN1 GND +12V Rotation CHA_FAN2 GND +12V Rotation Only the CPU-FAN and CHA-FAN 1-2 connectors support the ASUS Q-FAN 2 feature. 10. Serial port connector (10-1 pin COM1) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. ® P5KC COM1 PIN 1 P5KC COM port connector The serial port module is purchased separately. 2-36 Chapter 2: Hardware information

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2-36
Chapter 2: Hardware information
9.
CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin CHA_FAN2, 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!
Only the CPU-FAN and CHA-FAN 1-2 connectors support the ASUS Q-FAN 2
feature.
10.
Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
The serial port module is purchased separately.
P5KC
P5KC Fan connectors
CPU_FAN
CHA_FAN1
GND
Rotation
+12V
CHA_FAN2
PWR_FAN
GND
Rotation
+12V
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
GND
Rotation
+12V
CPU_FAN
PWR_FAN
CHA_FAN1
CHA_FAN2
P5KC
P5KC COM port connector
PIN 1
COM1