Messages in this thread | | | Subject | Re: PCI riser cards and PCI irq routing, etc | From | Krzysztof Halasa <> | Date | Wed, 21 Feb 2007 13:24:24 +0100 |
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Udo van den Heuvel <udovdh@xs4all.nl> writes:
> So if my non-VIA riser card can use DN 19 and also INT_A things should work?
That INT_A may be INT_A from their (motherboard) point of view, but the riser card doesn't know about that, it only knows INTs as seen at its PCI edge connector (so this INT_A here is meaningless).
Device numbers aren't rotated but rather derived from address lines (address/data). AD0-31 lines are the same across the whole PCI bus. That means device numbers are independent of POV.
> (assuming that VIA Epia EN BIOS 1.07 is enough to use this card)
My VIA EPIA-M 600 is probably older than your one, so I'd assume it should work as well. When you configure 0x13 and 0x14, both devices get IRQs - that means the BIOS can see both of them.
> The DN is the only variable so INT lines are hardwired on the riser card?
Yep. You just need a bit of soldering. -- Krzysztof Halasa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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