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ASUS P/I-P55T2P4S User’s Manual 29
III. INSTALLATION
(Connectors)
III. INSTALLATION
14. CPU Cooling Fan Connector (FAN)
This connector supports a CPU cooling fan of 500mAMP (6WATT) or less.
Orientate the fan so that the heat sink fins allow airflow to go across the onboard
heat sink(s) instead of the expansion slots. Depending on the fan manufacturer,
the wiring and plug may be different. The red wire should be positive, while the
black should be ground. Connect the fan's plug to the board taking into consid-
eration the polarity of the this connector.
WARNING: The CPU and/or motherboard will overheat if there is no airflow
across the CPU and onboard heatsinks. Damage may occur to the mother-
board and/or the CPU fan if these pins are incorrectly used. These are not
jumpers, do not place jumper caps over these pins.
Air Flow
Air Flow
12Volt CPU Fan Power
FANPWR2
GND
GND
+12V
FANPWR1
+12V
FAN
GND
FAN
+12V
GND
15. IrDA-Compliant Infrared Module Connector (IR)
This connector supports the optional wireless transmitting and receiving infra-
red module. This module mounts to a small opening on system cases that sup-
port this feature. You must also configure the setting through "UART2 Use
Infrared" in Chipset Features Setup to select whether UART2 is directed for
use with COM2 or IrDA. Use the five pins as shown on the Back View and
connect a ribbon cable from the module to the motherboard according to the pin
definitions.
Infrared Module Connector
F
ront
Vi
ew
+5V
IRTX
IRRX
NC
GND
Back View
IRRX
+5V
IRTX
NC
GND
For the infrared feature to be available,
you must connect an optional Infrared
module to the motherboard.