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ASUS P4B533-M motherboard user guide
2-25
9. Infrared module connector (5-pin IR_CON)
These connectors support an optional wireless transmitting and
receiving infrared module. The module mounts to a small opening on
system chassis that support this feature. You must also configure the
UART2 Use As parameter in BIOS to set UART2 for use with IR.
Use the five pins as shown in Back View and connect a ribbon cable
from the module to the motherboard SIR connector according to the
pin definitions.
10. Serial port 2 connector (10-1 pin COM2)
This connector accommodates a second serial port using an optional
serial port bracket. Connect the bracket cable to this connector then
install the bracket into a slot opening at the back of the system chassis.
®
P4B533-M
P4B533-M Serial COM2 Bracket
PIN 1
COM2
®
P4B533-M
P4B533-M Infrared Module Connector
Front View Back View
+5V
IRTX
IRRX
(NC)
GND
+5V
IRRX
IRTX
(NC)
GND
IR_CON
1