Garrick Staples ha scritto: > On Fri, Jul 06, 2007 at 05:09:46AM +0100, John Bowden alleged: >> On Friday 06 July 2007 04:44, Garrick Staples wrote: >>> On Fri, Jul 06, 2007 at 04:30:58AM +0100, John Bowden alleged: >>>> The sound card is an on board one. >>>> >>>> class: AUDIO >>>> bus: PCI >>>> detached: 0 >>>> desc: "nVidia Corporation MCP61 High Definition Audio" >>>> vendorId: 10de >>>> deviceId: 03f0 >>>> subVendorId: 1849 >>>> subDeviceId: 0862 >>>> pciType: 1 >>>> pcidom: ? ?0 >>>> pcibus: ?0 >>>> pcidev: ?5 >>>> pcifn: ?0 >>>> - >>>> class: AUDIO >>>> bus: ISAPNP >>>> detached: 0 >>>> driver: snd-mpu401 >>>> desc: "PNPb006" >>>> deviceId: PNPb006 >>>> >>>> The sound card detection program does see it but no sound come out when I >>>> test it. I'm not sure but I think that the nvidia chip set may be quite a >>>> new one and I'm beginning to think it might not be supported yet in >>>> Linux. >>> The listing for a driver implies that it is supported. This might be a >>> dumb question, but did you check the volume settings in the mixer app? >> Not such a dumb question, I had tried running the alsamixer command when I had >> F7 installed but not after getting rid of F7 and installing CentOS. I have >> just tried the command from the cli and here is what I got. >> >> [john at localhost ~]$ alsamixer >> >> alsamixer: function snd_ctl_open failed for default: No such device >> [john at localhost ~]$ >> >> When KDE starts up it gives me a error message about the sound problem. Next >> time I reboot I will make a note of what it is. I know that the speakers are >> plugged into the correct socket as this machine is one of two that dual boots >> windozs and I get sound when I run windoz to play games. >> I'm off to bed now as its just past 5am so will shut down this box and have >> another try later on today. Thanks for the help so far though. > > That means the driver isn't loaded. 'modprobe snd-mpu401' as root and > try again. > I have a similar board from Asrock which has apparently the same onboard audio card; on my FC5 install the audio module used is snd-hda-intel and the sound works... the relevant section in /etc/modules.conf is: alias snd-card-0 snd-hda-intel options snd-card-0 index=0 options snd-hda-intel index=0 remove snd-hda-intel { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-hda-intel Cheers Lorenzo Quatrini