Audio Interface - Seco Qseven CQ7-A30 User Manual

3.3.11 Audio Interface

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Qseven modules can have three different audio standard interfaces (AC'97, HD audio, I2S) on the same pins.
Commonly, x86 modules offer HD Audio interface, where I2S and AC'97 are more common for ARM/RISC world.
The modules offering HD Audio interface can use the HD Audio Codec (Realtek ALC888) which is available on board.
This codec manages two triple Audio jacks, type LOTES p/n ABA-JAK-028-K08 (Orange / Black / Grey) and ABA-JAK-028-K07 (light blue / light green / pink) or
equivalent.
Triple Audio Jack 1- CN21
Color Signal
Orange Center + Subwoofer speakers
Black Rear Surround Out (Left + Right)
Grey Side Surround Out (Left + Right)
Integrated HD Audio Codec of CQ7-A30 Carrier also offers the possibility of connecting high quality digital audio devices, using S/P-DIF optical
connection.
At this purpose, on board there is a Fiber Optic POF connector, CN23, Toslink type, model FOXCONN 2F11TC1-EM92-4F or equivalent. This connector can be
used for S/PDIF Audio output.
S/PDIF Input Connector- CN51
Pin Signal
1 GND
2 +5V_S
3 S/PDIF_IN
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Since the Qseven module can offer different audio interfaces, it is given the possibility of using different audio Codecs by plugging an add-on audio card on
dedicated slot CN24, which uses a connector usually used for PCI-e x1 add-on cards.
If the add-on card is developed according to the electrical requirements of PCI-e cards, i.e. with pin A1 short-circuited with pin B17 (PRSNT#),
then plugging the audio add-on card the audio signals coming from Qseven
CN24, and not to the HD Audio Codec. This also means that connectors CN21, CN22, CN23 and CN51 will not work when an audio add-on
card is plugged in CN24 slot.
CQ7-A30
CQ7-A30 - Rev. First Edition: 1.0 - Last Edition: 2.0 - Author: S.B. - Reviewed by G.G. Copyright © 2016 SECO S.r.l.
Triple Audio Jack 2- CN22
Color Signal
Light Blue Line IN (Left + Right)
Light Green Front OUT (Left + Right)
Pink MIC IN (Left + Right)
It is also available a connector, type TE p/n 103669-2 or equivalent, for S/PDIF Input connection.
Mating connector TE p/n 487526-2 or equivalent, with contacts TE series 487117 or 487406.
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card edge connector will be automatically switched to connector
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