Bernd Walter wrote:
> A PCI slot has 4 irq lines named INTA to INTD.

Yes.

> On PCs all slots share the same 4 physical irqs and the lines are
> hardwired on the board in alternating order to each slot.

On newer motherboards, post the Intel SErver Products Division
PCI motherboards, from a year or so after initial release.


> If you want cards not to share irqs you have to swap slots until you
> get what you want - you can't enforce it with software.

You can do it in software, but we don't, so moving the cards
around is a valid workaround.

PS: Slot 5, if there is one, is generally INT A, as well.

-- Terry

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