Asus P4B-LS Motherboard DIY Troubleshooting Guide - Page 53
Digital Audio Connector, optional, ASUS iPanel Connector
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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 MLEDPCIRST# BATT NC +5 V IRRX GND IRTX NC GND NC CIRRX +5VSB ® P4B-LS SIR CIR P4B-LS iPanel Connector IR_CON Figure 2-42 ASUS iPanel Connector Standard Infrared (SIR) Front View Back View IRTX +5V GND (NC) IRRX 13. 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-LS SPDIFOUT GND SPDIFOUT +5V P4B-LS Digital Audio Connector Figure 2-43 Digital Audio Connector ASUS P4B-LS motherboard user guide 2-31