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PCIE 1.0 compatibility with PCIE 2.1

Last response: in Graphics & Displays
March 28, 2012 11:10:41 PM


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..

March 28, 2012 11:27:10 PM

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.
a b U Graphics card
a b V Motherboard
March 29, 2012 12:32:16 AM

the only "unreliability" is if the BIOS has not been updated.