Back Panel (from top down):
* Aux
* Mic
* Line In
* Line Out
* MIDI/Joystick port
Card's internal connections:
* CD In
1=CD_R 2=GND 3=GND 4=CD_L
* Aux In
1=AUX1_R 2=GND 3=GND 4=AUX1_L
* Modem Connector
1=GND 2=MIC1 3=GND 4=MONO_IN
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