> > I wonder if I could force the USB bus to another IRQ or if I could > > move eth0 and yenta to another IRQ. > > This is the part that I am afraid is hard wired, at least on most > laptops. I can unload yenta and the module for the internal card which already enhances the behaviour of JACK. Additionally I installed the rtirq script of Rui Nuno Capela (thanks a lot BTW). But still I hope I can decrease latency on my system, but it's not urgent so many thanks for all hints I got from this list. I learned a lot and fixed some errors on my machine during this weekend. Best regards ce