Asus F1A55-M LX3 R2.0 F1A55-M LK R2.0 User's Manual - Page 35
F1A55-M LK R2.0 Front panel audio connector
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6. Serial port connector (10-1 pin COM1) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. COM1 PIN 1 RXD DTR DSR CTS DCD TXD GND RTS RI F1A55-M LK R2.0 F1A55-M LK R2.0 Serial port (COM1) connector The COM module is purchased separately. 7. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L F1A55-M LK R2.0 HD-audio-compliant Legacy AC'97 pin definition compliant definition F1A55-M LK R2.0 Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard's high-definition audio capability. • If you want to connect a high-definition front panel audio module to this connector, set the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an AC'97 front panel audio module to this connector, set the item to [AC97]. By default, this connector is set to [HD]. See section 2.5.5 Onboard Devices Configuration for details. ASUS F1A55-M LK R2.0 1-25