What makes one PCI slot differnet from the other?

[Eelad]

When installing PCI cards, sometimes one slot works when another doesn't. for instance, I know of someone who had to install a SCSI card in PCI slot 0 or it wouldn't work. Can anyone tell me what makes them different?

Thanks, Eelad

 

[edfair]

PCI have defined IRQs assigned to them. And some share addresses with other hardware. Ed Fair
unixstuff@juno.com
Any advice I give is my best judgement based on my interpretation of the facts you supply. Help increase my knowledge by providing some feedback, good or bad, on any advice I have given.

 

[cdogg]

Right, so in other words, you're forcing the PCI card to use a different IRQ by changing slots. There are other ways to change the IRQ, but changing slots is the easiest and sometimes quickest.