Asus PK5C P5KC Fan connectors, P5KC COM port connector, 10.Serial port connector (10-1pin COM1), 9.CPU, chassis, and power fan connectors

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!

PWR_FAN

CPU_FAN

CPU_FAN

CPU FAN PWM CPU FAN IN

PWR_FAN

CHA_FAN2 CPU FAN PWR GND

Rotation +12V GND

P5KC

CHA_FAN1 CHA_FAN2

	GND	GND
CHA_FAN1	+12V	+12V
	Rotation	Rotation

P5KC 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.

COM1

P5KC

PIN 1

P5KC COM port connector

The serial port module is purchased separately.

2-36 Chapter 2: Hardware information