Sorry I missed the explanation. I had the same problem with SIS hardware, and tried the kernel oss, the commercial oss, and alsa, but no success. Lastly I've found the IRQ collision on IRQ 5. The ACPI irq routing stuff solved the problem. On Tue, 2003-10-21 at 10:24, Göbölös Zoltán wrote: > Hi! > > Did you try booting with acpi=on ? > > -- > gz >