Tony-
OH! Sorry! No confusion at all--I was responding to another question on
the list, but broke the thread by changing the subject line--mea culpa...
someone said disable PnP OS in the BIOS to get this card to work, which
doesn't appear to be necessary
Harold
On Tue, 18 Aug 1998, Tony Nugent wrote:
> I have two of these (pci) cards in my own box (not a forwarding router, but
> for direct access into two subnets).
>
> If it works, then what's the problem? :) IRQ10 is fine - unless something
> else also wants that IRQ. An IRQ isn't a memory address, btw, are you
> confusing this with the I/O port address? To see what IRQs and I/O ports
> linux is using for each device, do:
>
> % cat /proc/interrupts /proc/ioports
>
> This normally shouldn't be an issue. But IRQ allocation can become a
> problem, as I found out. The 2.0.x kernels aren't pnp-aware (although I'm
> told that 2.1.x is, I don't know for sure).
>
> After giving the kernel two ether= bootup parameters to get both cards
> recognised, they persistently occupied irq10 and irq11, no problems. I then added a
> third card (3c509/isa), and doing that reversed the order of how the IRQs
> were allocated, and the 3c509 got irq10 with the other two at irq11 and 12.
> Weird... it meant shuffling the cables around but everything still worked.
>
> Then I put in a scsi card that could only take IRQs 10-12. One of the
> 3c905 cards got put back to IRQ9, but the scsi card refused to work. And it
> also stuffed up by sound card for some unknown reason (probably
> conflicting with the OPL irq or DMA).
>
> After trying all sorts of things, I eventually resorted to setting the IRQs
> for each slot manually in the BIOS, and now I have everything happily
> working together.
>
> I guess if I had played around with isapnptools with the bios set as
> "pnp-aware OS", I could have got it all going that way.
>
> Cheers .
> Tony __________ Tony Nugent >> - Linux - << _--_|\
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> \____/___/\___\_\ UNIX Systems Officer, Faculty of Science v
> University of Southern Queensland, Toowoomba Oueensland Australia
>
