12.ASUS iPanel connector (24-1 pin AFPANEL)

This connector allows you to connect an optional ASUS iPanel, an easy-to-access drive bay with front I/O ports and status LEDs. If you are not using an ASUS iPanel, you can connect an optional wireless transmitting and receiving infrared module to the SIR connector.

AFPANEL

+5 V

IRRX

GND

IRTX

SMBDATA

+3VSB

SMBCLK

NC

NC

NC

NC

NC

GND NC

CIRRX

+5VSB

CHASSIS#

EXTSMI#

+5V

MLED-

PCIRST#

BATT

NC

+5 V

IRRX

GND

IRTX

 

 

 

 

 

 

 

P4B

SIR

 

 

CIR

NC GND NC CIRRX +5VSB

IR_CON

P4B iPanel Connector

Standard Infrared (SIR)

Front View Back View

IRTX +5V

GND (NC)

IRRX

Figure 2-42 ASUS iPanel Connector13.Digital audio connector (4-1 pin SPDIFOUT) (optional)

This connector connects an SPDIF audio module that allows digital instead of analog sound output. Connect one end of the audio cable to the SPDIFOUT connector on the motherboard, and the other end to the SPDIF module.

P4B

SPDIFOUT

GND

SPDIFOUT

+5V

P4B Digital Audio Connector

Figure 2-43 Digital Audio Connector

ASUS P4B motherboard user guide

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