BCM RX680R - Front Audio Connector (FIO_AUD1); Amplifier Connector (SPK1)

RX680R User’s Manual
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1.7.9 Front Audio connector (FIO_AUD1)
This connector is for a chassis-mounted front panel audio I/O module that supports either
HD Audio or legacy AC ‘97 (optional) audio standard.
1.7.10 Amplifier connector (SPK1)
This connector allow user to connect an external audio amplifier.
1. ROUT-
2. ROUT+
3. LOUT-
4. LOUT+
1. MIC2_L
3. MIC2_R
5. LINE2_R
7. FR-IO-SENSE
9. LINE2_L
2. AGND
4. FP_HDADET
6. MIC2_JD
8. KEY
10. LINE2_JD