All i have is this : http://www.shuttle.eu/fileadmin/resources/download/docs/spec/barebones/SX58J3_d.pdf
beside the problem on headphone crackling sound. I have a buzzing sound on speakers pluged on the Audio Surround-Front output in the back panel... Here are the full specs of my barbone conf: MODELL: XPC Barebone SX58J3 VERSION: SERIENNUMMER: SX58J30001A33F00377 SYSTEM-ID: SX58J3001-B1-00 SHUTTLE-ID: BIOS-VERSION: KAUFDATUM: 16/04/2011 CPU: INTEL Core i7 950 - 3.06 Ghz - Socket LGA1366 SPEICHER: Dominator DDR3 PC3- 3C9 10666 - 4 x 4 Go (16 Go) 1333 MHz - CAS 9 FESTPLATTE: intel SSD 2.5'' 510 series - 250 Go - SATA III - SSDSC2MH250A2K5 GRAFIKKARTE: MSI R5450-MD1GD3H/LP - Radeon HD5450 - 1024 Mo - PCI-Express SOUNDKARTE: NETZWERKKARTE: OPTISCHES_LAUFWERK: SONSTIGE_KOMPONENTEN: BETRIEBSSYSTEM: ubuntu 12.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1056416 Title: [ Realtek ALC888, HDA INTEL] Buzzing sound on Speakers and Underruns crackling sound on headphone To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1056416/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs