答复: How to set irq_tables.c if a pci-to-pci bridge needed
ollie at sis.com.tw
Mon Oct 28 05:30:01 CET 2002
On Mon, 2002-10-28 at 17:14, David Xiong wrote:
> >Did you recalculate the checksum ??
> Yes, the checksum has been recalculated.
> >Where did you get the idea to set the the table like this?
> I do not know how the irqs routed. So I guess I can set the irq table. It is intresting that this way work on Elite K7SEM.
> So I take it for granted it will work on the new mother board. Am I wrong? Sorry for newbie questions like this.
> >Do you have any documentation about your bridge ?? How did you know if your bridge
> >does not re-route IRQs in some other ways ??
> I do not have any documentation. Can you tell me where can I start?
The way a PCI-PCI bridge should route the IRQs behind is defined in the
PCI-PCI bridge spec. For you case, it IRQs are re-routed twice, one is
by the bridge, the other is the southbridge IRQ router.
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