SETUP H/W .3

Connectors

3.HARDWARE SETUP

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

4.4.2I/O Device Configuration 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.

(NC)

 

GND

Front View

Back View

 

 

 

 

 

+5V

IRRX

 

IRTX

 

 

-F

 

 

 

IRTX

+5V

P3B

 

 

 

 

 

 

 

 

 

 

 

 

GND

(NC)

 

 

 

 

IRRX

 

For the infrared feature to be available, you must connect the optional Infrared (IrDA) module to the motherboard.

P3B-F Infrared Module Connector

11)SMBus Connector (5-1 pin SMB)

This connector allows you to connect SMBus devices. SMBus devices commu- nicate by means of the SMBus with an SMBus host and/or other SMBus de- vices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer.

-F

SMBCLK

Ground SMBDATA

+5V

P3B

 

 

 

 

1

 

 

SMB

P3B-F SMBus Connector

34

ASUS P3B-F User’s Manual