Intel i5-2400 and GPU with PCI-e 3.0

kamilziomek21 · Apr 7, 2014

Hi.
I bought a new MO-BO, it's MSI Z77A-G43. I've got Gigabyte GTX760 rev 2.0. It's a long card, so i can only put it in PCI-e 3.0 slot. I've got a problem now, the video signal isn't working. Some people think that it's BIOS fault, but i saw suggestions that think it's CPU fault. I don't know what to do now. I'm asking you that if my card would work on PCI-E 3.0 slot with 2.0 speed, beacause of my processor. I can't put it in 2.0 slot, because my Brutus 410 isn't that big. Will this card work on this slot with this processor and 2.0 speed? I'll later upgrade my bios, so i'm asking now about this i5-2400. Thanks for replies.

Sakkura · Apr 7, 2014

Your CPU doesn't support PCIe 3.0, so all the slots are PCIe 2.0 anyway (which isn't a problem).

Someone Somewhere · Apr 7, 2014

PCIe is backwards compatible.

You may be thinking of the slot length, e.g. x16. You want it in the slot closest to the CPU, generally.

kamilziomek21 · Apr 7, 2014

but i was asking that if this slot would work with 2.0 speed
since processor would turn 3.0 slot on 2.0 speed, so this problem is BIOS fault at all?

kamilziomek21 · Apr 7, 2014

look, my card is using PCI-e 3.0, but my processor is only able to use PCI-e 2.0. i'm asking that if card in this 3.0 slot will work as 2.0?

Someone Somewhere · Apr 7, 2014

Yes, the card will work perfectly fine at 2.0 speeds. That's what backwards compatible means.

kamilziomek21 · Apr 7, 2014

okay, so it isn't processor fault?

Someone Somewhere · Apr 7, 2014

No. The processor is perfectly capable of running a 760.

Just to check, you've got it in the blue slot that's closest to the CPU?

Do you have another system or another GPU you can test?

Try disabling fast boot in the BIOS.

kamilziomek21 · Apr 7, 2014

i've got it in here : http://www.iv.pl/images/10264754935264821597.jpg
yes i've another card, but without additional power

Someone Somewhere · Apr 7, 2014

That's the right slot.

Might need to RMA the card.

kamilziomek21 · Apr 7, 2014

RMA? what is it?

Someone Somewhere · Apr 7, 2014

Returned Merchandise Authorization. Basically, permission to send it back for a replacement.

kamilziomek21 · Apr 7, 2014

but it isn't broken, for what should i do it ?

kamilziomek21 · Apr 7, 2014

okay, last question, my processor should transformate pcie 3.0 to 2.0, if it wouldn't do it, should i disable PCI-e 3.0 in my BIOS?

Someone Somewhere · Apr 7, 2014

That might work, but I doubt it will make a difference.

kamilziomek21 · Apr 7, 2014

diffrence in performance or diffrence in this problem?

Someone Somewhere · Apr 7, 2014

Difference to the problem.

kamilziomek21 · Apr 7, 2014

Someone Somewhere :

you wrote here that it would work AT 2.0 SPEEDS but i still haven't got answer if my card would work fine IN PCI-E 3.0 SLOT with this processor which change this slot to 2.0 speed, is it true?

Someone Somewhere · Apr 7, 2014

The slot runs at what the CPU tells it to. In this case, that CPU can't tell it to run at anything above 2.0. The physical slot has almost nothing to do with attainable speeds.

The force lower speed options are usually for buggy cards that don't properly announce what speed they can run at, e.g. saying they can do 3.0 but can only do 2.0.

kamilziomek21 · Apr 7, 2014

okay, to sum up, will it work?

Someone Somewhere · Apr 7, 2014

I said above that I doubt it will make a difference.

kamilziomek21 · Apr 7, 2014

you're using hard language, cause i don't understand what do you mean.
i'll ask again, are you sure that it would co-operate with each other?

Someone Somewhere · Apr 7, 2014

No, I'm not sure.

I don't think it will work. But it might. I don't know.

kamilziomek21 · Apr 7, 2014

but you said that processor would change 3.0 slot to 2.0 slot, so why shouldn't it work?

Someone Somewhere · Apr 7, 2014

No. The processor will already be telling it to run at 2.0. Changing that motherboard will tell the motherboard to tell the processor to run at 2.0, where the processor would normally run at 3.0. I doubt it makes a difference on non-Ivy Bridge systems.

I cannot predict the future; I cannot say anything with 100% certainty.

Intel i5-2400 and GPU with PCI-e 3.0

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