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30 ASUS P2L97 User’s Manual
III. INSTALLATION
(Connectors)
III. INSTALLATION
10. IrDA-Compliant Infrared Module Connector (5-pin IR)
This connector supports the optional wireless transmitting and receiving infrared
module. This module mounts to a small opening on system cases that support 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.
Front View
+5V
IRTX
IRRX
(NC)
GND
Back View
P2L97 Infrared Module Connector
For the infrared feature to be available,
you must connect the optional Infrared
(IrDA) module to the motherboard
+5V
IRRX
IRTX
(NC)
GND
R
11. ATX Power Supply Connector (20-pin ATXPWR)
This connector connects to an ATX power supply. The plug from the power
supply will only insert in one orientation because of the different hole sizes.
Find the proper orientation and push down firmly but gently making sure that
the pins are aligned.
P2L97 ATX Power Connector
+3.3Volts
-12.0Volts
Ground
PWR Sup On
Ground
Ground
Ground
-5.0 Volts
+5.0 Volts
+5.0 Volts
Power Good
+12.0Volts
+3.3 Volts
+3.3 Volts
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+5V Standby
R
IMPORTANT: Make sure that your ATX power supply can supply at least 10mA
on the 5-volt standby lead (+5VSB). You may experience difficulty in powering
on your system if your power supply cannot support the load. For Wake on LAN
support, your ATX power supply must supply at least 720mA.