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Using PCI-E 3.0 port without Ivy Bridge

Tags:
  • PCI Express
  • Crossfire
  • Processors
  • Intel i5
  • Biostar
  • Components
Last response: in Components
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May 29, 2012 5:28:50 AM

I am trying to use crossfire on my MB, it is a Biostar TZ77B. It has one PCI-E 2.0 slot, which is fine with my i5-2500k processor, and it also has one PCI-E 3.0 port. From what i hear i need an ivy bridge to even use this port? yes or no? and if yes, can i make it able to be used without buying the ivy bridge? Thanks

More about : pci port ivy bridge

May 29, 2012 5:39:27 AM

No, you don't need an IB CPU to use that port. It will just act as an older port through backward compatibility.
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May 29, 2012 5:57:26 AM

So i can crossfire 2 AMD 6870's via the PCI-E 2.0 and 3.0 ports without breking the wallet to buy an ivy bridge?
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May 29, 2012 5:59:07 AM

Yes.
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May 29, 2012 6:00:21 AM

Thank you for the help, i have been contemplating this for a long while lol
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May 29, 2012 6:16:36 AM

i dont know if i was clear before but i meant being able to use the PCI-E 3.0 port, would i be able to use it
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Best solution

May 29, 2012 6:28:50 AM

unlongo said:
i dont know if i was clear before but i meant being able to use the PCI-E 3.0 port, would i be able to use it


It won't be PCIe 3.0 without an Ivy CPU, but yes, you can still use it. It will just be restricted to PCIe 2.0 speed.
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May 29, 2012 6:56:05 AM

Best answer selected by unlongo.
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