Hi Derek derek holzer <derek@xxxxxxx> writes: > Robert Epprecht wrote: > >> lspci tells me something like "pin A routed to IRQ 23" (or similar) >> I do not know anything about interrupt priority with these new irq's. >> Pointers, informations or help highly appreciated. > > try here: > http://myweb.cableone.net/eviltwin69/ALSA_JACK_ARDOUR.html > > specifically here: > http://myweb.cableone.net/eviltwin69/Arcana.html#IRQs I do know these fine links and have consulted them before asking here. Unfortunately they cover only the non-APIC interrupts. So I try it again: How do I best set up my sound card regarding interrupts on a contemporary motherboard? (ASUS P4P800) Does APIC make the situation better or worse? Should I try to switch it off? Please advice, Robert Epprecht