Asus P8H67-M PRO/CSM User Manual page 33

3. CPU, Chassis, and Power fan connectors (4-pin CPU_FAN, 3-pin PWR_FAN, 4-pin
CHA_FAN)
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. They are not jumpers! DO NOT
place jumper caps on the fan connectors.
P8H67-M PRO
P8H67-M PRO fan connectors
4. Serial port connectors (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM1) is purchased separately.
P8H67-M PRO
P8H67-M PRO Serial port (COM1) connector
ASUS P8H67-M PRO
CPU_FAN
CHA_FAN PWR_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
COM1
PIN 1
1-21