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Pci-e 2.1 work on pci-e1.0

Last response: in Graphics & Displays
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October 27, 2011 7:54:27 PM

pci-e 2.1 work on pci-e1.0
or will be some problem like bottleneck

More about : pci work pci

October 27, 2011 7:56:01 PM

there isn't a HUGE problem, but I have not had as much stability with that, and the GPU wont run on the higher 2.1 bus speeds.
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a c 104 U Graphics card
October 27, 2011 8:00:06 PM

Not always, depends on your mobo and bios versions i believe. Sometimes 2.1 doesn't work at an old 1.0 mobo.
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a b U Graphics card
October 27, 2011 8:01:34 PM

I would imagine there will be a bottleneck, but not because of the pcie speeds (unless its a dual gpu card), i would say more than likely because of cpu speed
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a c 376 U Graphics card
October 27, 2011 8:10:46 PM

PCI-E 1.0 at x16 is equivalent to 2.0 at x8. It would only restrict the most powerful current a small amount. The issue is really compatibility, not bandwidth. Some 1.x boards have issues with 2.1 cards. It isn't always the case but it does happen. If you your motherboard has a semi-recent BIOS update than it likely isn't a problem. Otherwise I would google and try to find people saying they are successfully using 2.1 cards on your specific motherboard to be certain.
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a c 104 U Graphics card
October 27, 2011 8:26:52 PM

You have one of these two then ?
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October 27, 2011 10:47:34 PM

GreenDutchAlien said:
You have one of these two then ?


i have mb like the second one

asrock g41m vs2 ithink this mb pci e 1.1 not 1.0

so what do you think it will work fine ?
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a c 104 U Graphics card
October 27, 2011 11:01:35 PM

Probably, but i'm no expert on this stuff. Like Jyjjy said ; I would google and try to find people saying they are successfully using 2.1 cards on your specific motherboard to be certain.
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a c 358 U Graphics card
October 28, 2011 1:14:24 AM

I have a Radeon HD 5850 in a PCI-e 1.0 slot. If I am bottlenecked, then it is so small that do not even notice it.
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November 17, 2011 3:05:04 AM

fawzi said:
i have mb like the second one

asrock g41m vs2 ithink this mb pci e 1.1 not 1.0

so what do you think it will work fine ?


Did you ever try this together to see if it worked?

I've got a G41M-GS3 and was going to buy a 2.1 pci express asus ati radeon 5670. Asrock are useless so won't answer. If I just knew someone had some luck with a similar board then I'd just go ahead and give it a blast.

Thanks
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