Asus P9A-I Series User Manual page 33

3. CPU and front fan connectors (4-pin CPU_FAN1, FRNT_FAN1~4)
The fan connectors support cooling fans. Connect the fan cables to the fan connectors
on the motherboard, ensuring that the black wire of each cable matches the ground pin
of the connector.
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•
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P9A-I
P9A-I Fan connectors
4. 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.
P9A-I
P9A-I Serial port connector
ASUS P9A-I Series
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!
All fans feature the ASUS Smart Fan technology.
FRNT_FAN4
A
B
C
D
E
FRNT_FAN3
COM1
PIN 1
A
FRNT_FAN2
GND
VCC
SENSE
PWM
B D
FRNT_FAN1
GND
VCC
SENSE
PWM
C
E
CPU_FAN1
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