Re: PCI riser cards and PCI irq routing, etc
From: Lennart Sorensen
Date: Wed Feb 21 2007 - 14:56:28 EST
On Wed, Feb 21, 2007 at 01:11:12AM +0100, Krzysztof Halasa wrote:
> lsorense@xxxxxxxxxxxxxxxxxxx (Lennart Sorensen) writes:
> > Via has a dual pci-ext card. See EXT-PCI at
> > http://www.via.com.tw/en/products/mainboards/accessories.jsp
> Right, and they say it's compatible with "EPIA mini-ITX family".
> That means the mappings I just outlined should apply to all of them.
> BTW: any "universal" dual+ PCI riser card have to use a PCI bridge
> chip, and a bridge isn't a small 20 pin IC (I'd expect 144 pins or
> so). "Active" or "passive" - doesn't matter.
Certainly. The system I work with (which is not via based) has a PCI to
PCI bridge, which is 208pins (it supports 10 bus master loads behind it).
A cheap riser card that just does device number tricks will only work
on boards designed to use a riser card done that particular way.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/