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3Com PCI Ethernet setup

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jdmaynard

jdmaynard

Programmer
Mar 12, 2001
11
CA
This is a question and an answer!

I've spent a LONG time trying to configure my 3C900B ethernet card in RedHat 7. It wasn't getting assigned an IRQ. If I said 'ifconfig eth0 up' for example, I got the nasty "Warning: IRQ 0 is unlikely to work!" and of course, it didn't.

The solution was (oddly enough) in the BIOS to turn off PCI support. When I re-booted, KUDZU installed the card and configured everything perfectly!
 
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Let me be more specific - On the BOOT screen of my AWARD BIOS I set 'Plug & Play OS = [NO]'
 
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