Hi Clemens, thanks for your fast reply. Sorry for not posting the message. Because it's in German, I first thought, it wouldn't be very helpfull. However, here's a copy of my Terminal-Output: [xxx@A58 ~]$ speaker-test -D surround51 -c6 speaker-test 1.0.26 Wiedergabe-Gerät ist surround51 Stream-Parameter sind 48000 Hz, S16_LE, 6 Kanäle Verwende 16 Oktaven rosa Rauschen Ungültige Konfiguration: keine unterstützte Konfiguration: Das Argument ist ungültig Fehler beim Setzen der Hardware-Parameter: Das Argument ist ungültig 'speakertest -D plug:surround51 -c6' prompts: speaker-test 1.0.26 Wiedergabe-Gerät ist plug:surround51 Stream-Parameter sind 48000 Hz, S16_LE, 6 Kanäle Verwende 16 Oktaven rosa Rauschen ALSA lib pcm_params.c:2162:(snd1_pcm_hw_refine_slave) Slave PCM not usable Ungültige Konfiguration: keine unterstützte Konfiguration: Das Argument ist ungültig Fehler beim Setzen der Hardware-Parameter: Das Argument ist ungültig lspci -v brings up: 04:04.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) Subsystem: VIA Technologies Inc. Device 2403 Flags: bus master, medium devsel, latency 64, IRQ 20 I/O ports at ec00 [size=32] I/O ports at e880 [size=128] Capabilities: [80] Power Management version 1 Kernel driver in use: snd_ice1724 aplay -L: null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server default Default ALSA Output (currently PulseAudio Sound Server) sysdefault:CARD=ICE1724 ICEnsemble ICE1724, ICE1724 Default Audio Device front:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 Front speakers surround40:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 4.0 Surround output to Front and Rear speakers surround41:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=ICE1724,DEV=0 ICEnsemble ICE1724, ICE1724 IEC958 (S/PDIF) Digital Audio Output dmesg shows next failures: [ 10.975734] ice1724: No matching model found for ID 0x12140324 [ 10.978604] ice1724: Invalid EEPROM version 1 If you need more information, just tell me. Greetz, Rüdiger Am 01.02.2013 09:49, schrieb Clemens Ladisch: > Rüdi wrote: >> 04:04.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) >> >> This card should support 7.1 surround. I need 5.1. But a 'speakertest -D >> surround51 (should be supported) -c 6' leads to an error message. > > Thank you for keeping the error message a secret. > But try "speakertest -D plug:surround51 -c 6". > > > Regards, > Clemens > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_jan _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user