E P I C B o a r d E P I C - B D U 7Chapter 2 Quick Installation Guide 2-172.24 High Definition Audio (CN6)MIC_L110MIC_RLINE_L_INLINE_R_INLEFT_OUTRIGHT_OUT+5V_AUDIOGND_AUDIOGND_AUDIOGND_AUDIOPin Pin Name Signal Type Signal Level1 MIC_L IN2 MIC_R IN3 GND_AUDIO GND4 LINE_L_IN IN5 LINE_R_IN IN6 GND_AUDIO GND7 LEFT_OUT OUT8 GND_AUDIO GND9 RIGHT_OUT OUT10 +5V_AUDIO PWR +5V