[TriLUG] how to change an IRQ

[rasch at raschnet.com]

On Mon, Mar 15, 2004 at 09:42:38AM -0500, Dan <trilug at daijin.nulluser.com> wrote:
> Dual Pentium Pro system running Mandrake 10.  This box is old enough that 
> it doesn't have an integrated USB port.  I went to Intrex and picked up a 
> USB/PCI adapter.  The Mandrake install found it with no problem.  But this 
> card uses several IRQs including 16 which is the same IRQ as my network 
> card.  I tried a couple of different brands of NICs and they both wanted 
> IRQ 16.  Back in the DOS days I used a floppy based exe to change the 
> card's IRQ.  Is there any way to do this in the linux config?

Generally, with PCI devices you can't manually change the IRQ unless you
do it at the BIOS level on a per-slot basis.  On the other hand, PCI
devices can happily share IRQ's in most cases.  Otherwise, the easiest
way to change its IRQ is to try a different slot :).

David
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