High Definition Audio (J43, J46, J51, J71, J72, J219) - Kontron ETXexpress UGM User Manual

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High Definition Audio (J43, J46, J51, J71, J72, J219)

The ETXexpress UGM 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 (J71), the coaxial S/PDIF Connector (J72) and the Front Panel
Audio Connector J43 provides digital audio out. J46 is used for digital microphone connection and J219
for digital S/PDIF in.
Pin J43
1 MIC2-L
2 GND
3 MIC2-R (MIC Power)
4 PRESENCE#
5 LINE2-R (LineOut-R)
6 MIC2-JD
7 SENSE
8 Key Pin
9 Line2-L (LineOut-L)
10 LINE2-JD
Speaker Configuration J51
J51 2-channel
Orange -
Black -
Gray -
Blue Line In
Green Line Out
Pink 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.
Kontron User's Guide ETXexpress UGM
Evaluation Board
J46
DMIC-CLK
DMIC-DATA
PWR_3.3V
GND
-
-
-
-
-
-
4-channel
- Center/Subwoofer
Rear Speaker Side Speaker
-
Line In
Front Speaker Front Speaker
Mic In
24
6 Connector and feature description
J72
SPDIF_OUT
GND
-
-
-
-
-
-
-
-
6-channel 8-channel
Center/Subwoofer
Rear Speaker Out
- Side Speaker Out
Line In
Front Speaker
Mic In
J219
SPDIF_IN
GND
Line In
Mic In