Re: [SLUG] Re: ECS K7S5A -- Interrupt 9/2, Interrupt Sharing, AMI BIOSes, etc...

From: Chad Perrin (perrin@apotheon.com)
Date: Mon Nov 29 2004 - 00:16:33 EST


Bryan J. Smith wrote:
> On Sun, 2004-11-28 at 22:15, Chad Perrin wrote:
>
>>I seem to recall, though, that often the AGP and the first PCI would
>>share an interrupt in early implementations of the AGP bus.
>
>
> Some video cards expect Interrupt 9, which is also the cascade to 2, and
> various interrupt controllers of the chipset didn't like that, or only
> allowed a card on PCI bus 0 to take control of it (AGP is typically PCI
> bus 1 on 99.9% of mainboards). That is more of a chipset issue than an
> AGP issue.

I never said it was specifically an AGP issue, and I don't think anyone
else did either.

--
Chad
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