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only one of R9 270x works at once.

Tags:
  • XFX
  • Drivers
  • PCI Express
  • Graphics
Last response: in Graphics & Displays
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December 5, 2013 8:08:09 PM

I have two XFX R9 270x cards installed, only one at a time will work. I have tried cleaning all the drivers out, moving to different PCI-e slots, with and w/o the crossfire bridge and different PCI-e plugs from the PSU. Only one will work at a time with both cards installed, but both cards do work.
system is:
windows 7 x64
4gb ram
phenom 955
2x xfx R9 270x
any help I will be very great full.

More about : 270x works

a b \ Driver
December 5, 2013 8:11:38 PM

does your mb support crossfire and are you running the newest bios on it??
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December 6, 2013 5:28:20 AM

It does I had two hd48xx that worked fine in crossfire, I think it is the newest bois but im gong to check.
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