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2.1 card in a 2.0 slot?

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  • Graphics Cards
  • Motherboards
  • Graphics
Last response: in Graphics Cards
July 6, 2011 3:43:20 PM

Burned up my 3870 video card and wanted to replace with the cost efficient 6850. My motherboard is a k9a2cf and has a 2.0 slot. All the new cards are 2.1. Is this a problem. I googled several times to no real answers. Messaged MSI but awaiting a conservative answer along the lines of "the board was not made when the cards came out" type of reply. Thanx in advance for any help.

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a c 361 U Graphics card
a c 527 V Motherboard
July 6, 2011 4:36:43 PM

Shouldn't be an issue. The only incompatibility issues I'm aware of are 2.1 cards in 1.0 slots.

-Wolf sends
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July 7, 2011 6:22:12 PM

So, MSI wrote and told me that it would be better if I did not use a 2.1 card.
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a c 412 U Graphics card
a b V Motherboard
July 7, 2011 6:32:42 PM

arrow_1000 said:
So, MSI wrote and told me that it would be better if I did not use a 2.1 card.


You'll be fine.

The fact is there are no motherboards has a PCI-e 2.1 slot. Therefore, if a PCI-e 2.1 card does not work with a PCI-e 2.0 slot, then AMD will be loosing a lot of money since all Radeon HD 6xxx cards are PCI-e 2.1 cards.

Just try not to stick a PCI-e 2.1 card in a PCI-e 1.x slot. There maybe some compatibility issues unless the motherboard manufacturer released a BIOS update to fix the potential issue.
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a c 137 U Graphics card
a c 78 V Motherboard
July 7, 2011 6:34:38 PM

^+1
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July 7, 2011 9:36:23 PM

Best answer selected by arrow_1000.
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a c 332 U Graphics card
a b V Motherboard
July 7, 2011 9:40:04 PM

This topic has been closed by Mousemonkey
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