Asus Xonar HDAV 1.3 - Manual (Page 11)

5 ASUS Xonar HDAV .3
6 S/PDIF In port Optical TOSLINK digital input jack. Connects to external
digital audio sources such as MD players, CD players, or
DVD players, for audio recording or loopback.
7 Front panel audio
header
Connect one end of the front panel audio cable to the front
panel audio header on the Xonar HDAV .3 card, with the
other end to the chassis-mounted front panel audio I/O
module.
8 Aux Input Header Usually connects to the Analog Audio output of TV tuner card
or other sound source inside your PC system. (To monitor
your TV tuner card’s audio from this Aux-In, you must enable
the “monitor” function for Aux-In in the Xonar HDAV Center
software’s recording mixer.)
9 Power Connector Connects to the power cable of your power supply.
10 Bridge connector Connects to the extension board with the bundled bridge
cable.