On Sun, Feb 23, 2003 at 08:00:51PM +0100, Frank Haverkamp wrote: > Hi, > > I tried the approach with modifying the pci latency settings for the > card. I did: > > setpci -v -s 00:11.5 latency_timer=01 > > (and various small settings for the latency_timer worked well too) > > The sound is much better now. I crackling sound is not completly > away but obviously it improved. What does the PCI latency setting > exactly does? Does it increase the priority of this PCI device on the bus? AFAIR it configures the maximum amount of time that a PCI device may grab the PCI bus. So if no device can grab the bus for a long time, there is a much better chance that the card will be able to do audio sample DMA transfer in time before an underrun...
> Putting the card into a different slot does not work, since it is a > build in Sound device (and I just recently bought this motherboard). I > am using a AGP graphics card already. Maybe I will try to modify some > settings in the BIOS ... > > Is there a possibility to get hold of the PCI settings for my sound > device in Windows and in Linux, so that we can compare them to find out > what they did to make it work smothly under Windows?? Search for ctpciw.exe or SiSoft Sandra, that should be able to display it. Also, in snd_via82xx_interrupt(), try rearranging the ack *after* snd_pcm_period_elapsed(). Maybe that could also help, who knows. > PS: Esslingen is not too far away from my place Tuebingen ;-) Uni Tuebingen? That's where my brother is ;) Oh, and I'm cheating anyway: I'm currently in Renningen ;) Andreas Mohr ------------------------------------------------------- This SF.net email is sponsored by: SlickEdit Inc. Develop an edge. The most comprehensive and flexible code editor you can use. Code faster. C/C++, C#, Java, HTML, XML, many more. FREE 30-Day Trial. www.slickedit.com/sourceforge _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user
