Aplex Technology APC-3519 - Manual (Page 29)

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or amplifier, MIC is the port for microphone input audio.
28. AUDIO1:
(2.0mm Pitch 2X6 Pin Header), Front Audio, An onboard Realtek ALC662 codec is used
to provide high-quality audio I/O ports. Line Out can be connected to a headphone or
amplifier. Line In is used for the connection of external audio source via a Line in cable.
MIC is the port for microphone input audio.
Signal Name Pin# Pin# Signal Name
SPK_OUTL_P 1 2 SPK_OUTR_P
SPK_OUTL_N 3 4 SPK_OUTR_N
FRONT_JD 5 6 LINE1_JD
LINE_IN_L 7 8 LINE-IN-R
MIC2_IN_L 9 10 MIC2-IN-R
Ground_AUD 11 12 MIC2_JD
29. LED3 :
LED STATUS. Green LED for Motherboard Standby Power Good status, Yellow LED for
HDD status.
30. LED1 :
LED STATUS. Green LED for Motherboard Power status.
31. LED2 :
LED STATUS. Green LED for Motherboard Standby Power Good status.
32. LED4 :
LED STATUS. Green LED for Motherboard Power status.
33. PCIE_16X (option) :
(4x30 Pin), Riser Card expansion connector. Can expand support one PCIeX16 or two
PCIeX8 Signal.
ASB-M8771T：PCIE_16X connector in the top.
ASB-M8771B：PCIE_16X connector in the Bottom.
34. PCIE1X (option) :
(4x10 Pin),Riser Card expansion connector.Can expand support two PCIe Signal.
ASB-M8771T：PCIE1X connector in the top.
ASB-M8771B：PCIE1X connector in the Bottom.