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

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

 

 

 

 

 

 

 

SIR

CIR

NC GND NC CIRRX +5VSB

P4B266-E

IR_CON

P4B266-E iPanel Connector

Standard Infrared (SIR)

Front View Back View

IRTX+5V

GND(NC)

IRRX

13.Digital audio connector (6-1 pin SPDIF_C) (optional)

This connector connects an S/PDIF audio module that allows digital instead of analog sound output. Connect one end of the audio cable to the S/PDIF In/Out connector on the motherboard, and the other end to the S/PDIF module.

SPDIF_C

SPDIF OUT

+5V

SPDIF IN

1

P4B266-E

GND

GND

P4B266-E Digital Audio Connector

2-34

Chapter 2: Hardware information