Hello,

> > That's no contradiction, there's no way to distinguish a PCI card from
> > an onboard component connected via PCI. 
> 
> Actually, there might be. Look at the .properties of the I/O only
> ethernet card you sent:
> AAPL,slot-name          433100.. ........ ........ ........   C1.
> 
> The property AAPL,slot-name indicates the card is in slot C1. I can't
> guarantee it, but I'm pretty sure on-board components won't have that
> property. 
That's OF - out of limits for XFree. It only deals with bus, device and function numbers so it can't really know if it's a card or not without certain knowledge of the mainboard in question :)

have fun
Michael