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[Raymond <1438360@xxxxxxxxxxxxxxxxxx>]

do you mean NC 91 ?

http://www.jetwaycomputer.com/NC91.html

refer to user manual
check wthether you disable hda audio in bios setup 


usually HDA audio controller is at 00:1b.0

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https://bugs.launchpad.net/bugs/1438360

Title:
  PCI/internal sound card not detected

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  This is a Jetway NC 9I motherboard with Intel NC10 chipset and a
  RealTek ALC662 sound chip imbedded.  It has an Intel Atom D525
  processor on it.  I have 30 of these boards I was hoping to put Ubuntu
  on for people that need them.

   I have spent over three weeks on this trying to follow the forums on how to solve this problem.  I have also gone to Realtek's website and tried to use their instructions to solve the problem.  From the dignostic reports that I saw it looks like the sound chip or codec cannot be found and that pulse is somehow working instead?  
  I went here: https://help.ubuntu.com/community/SoundTroubleshootingProcedure
    and got this result:  http://www.alsa-project.org/db/?f=f057abda5a101970d2980eae4341684ee857cbeb

  I went to realtek's site and downloaded their Linux HD drivers here:
  http://152.104.125.41/downloads/downloadsView.aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false

  I also went here:  http://ubuntuforums.org/showthread.php?t=1026931 
    I didn't see any results from these either.  

  When I go into system sound it just says "Play sound through Dummy
  Output"

  I have tested the speakers, they work on other devices.  It is plugged
  into the right output.......

  It does not work in Ubuntu 12 or 14.04, 64 bit.  It does not work in
  Lubuntu either.  I have not tried 32 bit.

  I must be doing something out of order as I don't see anyone else
  reporting this problem and Jetway says that no one has reported a
  problem to them?

  Thank you in advance for your help.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
  Uname: Linux 3.16.0-33-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDesktop: Unity
  Date: Mon Mar 30 11:17:24 2015
  InstallationDate: Installed on 2015-03-20 (10 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Title: PCI/internal sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/26/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080016
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080016:bd02/26/2013:svn:pn:pvr:rvn:rn:rvr:cvn:ct3:cvr:

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