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Old 04-15-11, 10:29 PM   #4
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Join Date: Nov 2010
Posts: 94
Default Re: SLI not working, X log says "Trouble accessing PCI Config Space"

I know Fermi (GTX4XX, GTX5XX) SLI does not work but I could not say for older cards. If you get the same error as chutz try adding vmalloc=256M to your grub.conf. Without that line I cannot get any cards or X to boot.
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