Kontron nanoETXexpress, User Manual

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6 5BConnector and feature description
Kontron User's Guide
nanoETXexpress Evaluation Board
24
6.9 High Definition Audio (J2, J4, J5, J8, J11, J12)
The nanoETXexpress Evaluation Baseboard is equipped with a Realtek ALC888 High Definition Audio
Codec which supports up to 7.1-channel speaker configuration, optical and digital S/PDIF out, S/PDIF in
and digital microphone input.
The optical Toslink S/PDIF Connector (J2) and the coaxial S/PDIF Connector (J12) provides digital audio
out. J5 is used for digital microphone connection and J11 for digital S/PDIF in. A standard front panel
can be connected via pin header J4.
Pin J4 J5 J12 J11
1 MIC2-L DMIC-CLK SPDIF_OUT SPDIF_IN
2 GND DMIC-DATA GND GND
3 MIC2-R (MIC Power) PWR_3.3V - -
4 PRESENCE# GND - -
5 LINE2-R (LineOut-R) - - -
6 MIC2-JD - - -
7 SENSE - - -
8 Key Pin - - -
9 Line2-L (LineOut-L) - - -
10 LINE2-JD - - -
Speaker Configuration J8
J8 2-channel 4-channel 6-channel 8-channel
Orange - - Center/Subwoofer Center/Subwoofer
Black - Rear Speaker Side Speaker Rear Speaker Out
Gray - - - Side Speaker Out
Blue Line In Line In Line In Line In
Green Line Out Front Speaker Front Speaker Front Speaker
Pink Mic In Mic In Mic In Mic In
Note1: In addition to the default speaker settings, the analog audio Jacks can be reconfigured to perform different
functions via the Realtek HDAudio Driver Software which is available on Kontron website. Only microphones
still must be connected to the default pink jack.
Note2: Audio is only working in combination with HD Audio compatible COM Express Modules.