Re: PCI riser cards and PCI irq routing, etc

From: Alistair John Strachan
Date: Tue Feb 20 2007 - 09:56:53 EST

On Tuesday 20 February 2007 04:17, Udo van den Heuvel wrote:
> Krzysztof Halasa wrote:
> > Udo van den Heuvel <udovdh@xxxxxxxxx> writes:
> >> At the bottom I added a dmesg output of the kernel after boot.
> >> I more or less know that irq 20 for the DVB-S card (saa7146 (1)) is
> >> 'working'. I know that irq 16 for saa7146 (0) (DVB-T) is not working for
> >> i2c although the card does work perfectly for DVB-T reception (picture,
> >> low CPU load, etc) with only reception as the bottleneck.
> >
> > BTW: Can you check which device # and IRQ does the card get if plugged
> > directly into the PCI slot on board (without the riser)?
> DN is 20 I believe (from the tranquilPC doc).
> irq I'd have to check.
> > Is it a VIA ITX board? I think I have VIA's riser card somewhere,
> > could check what it does.
> Yes, VIA Epia EN12000.
> Interesting to check the riser card.

Just be aware that there are two types of PCI riser -- risers that work in any
board, and Via Epia-specific risers. The latter requires a BIOS update on
some Epias and presumably has some advantages, possible the ones you're
looking for.


Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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