On Sat, 04 Dec 2004 13:51:24 +0000, Michael wrote:

> figure out where the IRQ really came from. Can it do that with a PCI
> bridge? I mean - is there a register in the bridge to indicate which slots
> fired IRQs? So I guess everything on the USB card ( 3xOHCI, 1x EHCI )
> should share the same virq, but the audio card should get a different one.

The following thread might answer some of your PCI bridge/interrupt
questions:

http://mail-index.netbsd.org/tech-kern/2004/08/13/0002.html

Bye	Pavel