[lug] USB IRQ 11 interferes with PCI card

D. Stimits stimits at comcast.net
Tue Nov 4 20:04:42 MST 2003

Michael J. Hammel wrote:

> I've got a PCI card (Hauppauge WinTV PVR 250) that wants to use IRQ 11.
> I've also got a motherboard with 6 onboard USB connections which,
> according to /proc/pci, is also using IRQ 11.  I know the former doesn't
> like to share interrupts.  Does anyone know if there is a way to get the
> USB drivers not to use this IRQ?  I don't mind if some of those USB
> ports become unusable.  I just want to make sure they don't interfere
> with my WinTV card.
> Maybe there is something in the BIOS I can munge with...haven't checked
> that yet...
The BIOS almost always has enable/disable for USB. Quite often (not 
always), the BIOS offers some PCI manual forcing of particular IRQ for 
onboard devices.

D. Stimits, stimits AT comcast DOT net

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