So I plugged in a PCI card and know from the OS that the IO range is e400-e4f1 and the IRQ is 5. Will this change if I unplug other PCI cards from the same computer?


It shouldn't matter if you're using a modern OS that supports Plug and Play. It should be able to detect the device properly at boot time, even if it has been moved to a different slot. If it doesn't, you can always put the cards back the way they were.

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  • No I'm not using a modern operating system. – slipbull Oct 21 '09 at 15:30
  • @slipbull: "modern" in this case means pretty much anything after Win98. (it might even mean "Win95 or later" but i can't bring myself to admit that.) what are you running? – quack quixote Oct 21 '09 at 15:59
  • QNX4 -hate the 15 character minimum in comments- – slipbull Oct 23 '09 at 15:43

Actually they do change.

edit: e400-e4f1 changed to c400-c4f1 when adding another card.

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