PCIE 1.0 compatibility with PCIE 2.1


I have a Asus P5KPL-CM motherboard with PCIE 1.0 and want to know if AMD/ATI Radeon HD 6670 with PCIE 2.1 would work fine ...??

I am not sure if the motherboard is still supported by ASUS. The last BIOS update was released in 2010.

I want to make 100% sure that this card would work fine with the m/b. Can somebody help me..

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  1. A pcie 2.1 card in a 1.x slot is a bit unreliable. It would be much better to use a 2.0 card.

    I currently have an asus gtx 460 plugged into my asus p5k se and have had no issues with pcie differences.
  2. the only "unreliability" is if the BIOS has not been updated.
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