Sli not working

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Saruhi

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Mar 4, 2014
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Hello i have been having trouble with getting sli to work for some reason the setting in nvidia control panel is greyed out. I have tried reseating both gpu's and sli bridge with no success also i have just updated all my drivers today. both fans on gpu's are working

Specs:
-AMD FX-9370
-Gigabyte 990FXA-UD3(rev 4)
-16G DDR3
-GeForce GTX970(EVGA)
-GeForce GTX970(WindForce)
-SSD 250gb 850 EVO
-2tb HDD
-Windows 10 Pro


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J
''yes i checked the motherboard is compatible and im not sure why it says x4 on that picture''

I see yopur board at top [ just did not think when I posted] but still like you why that x4 ??? slot bad ?? card bad ?? seing its now correct and the 2 caeds are now at x16 and you still cant turn on SLI ??


I see a few post on that board like this

http://www.tomshardware.com/forum/332158-30-gigabyte-990fxa-functioning

just don't know ? may try to swap cards in the slots [put the bottom card in the top spot and the card on top in the bottom ?] try different drivers ?

could be that evga deal ? maybe bad motherboard or card ? I guess this is why you buy matched cards at the same time and reference cards are preferred...
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junkeymonkey

Polypheme
BANNED
Nov 11, 2013
17,389
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66,960
you do know some evga gtx 970's will not sli with other cards ?? even will not sli with evga cards if not compatible in that chart

https://www.evga.com/support/faq/afmviewfaq.aspx?faqid=59534

assuming all your cards work single with out issue so you know you don't have a bad card or have a extra sli bridge to test just maybe one of then evga 970's that just don't sli with anything but there evga match to do so ?

then with a gtx 970

Furthermore, as we mentioned in our GTX 980 review, GTX 970 has been a pure virtual (no reference card) launch, which means all of NVIDIA’s partners are launching their custom cards right out of the gate. A lot of these have been recycled or otherwise only slightly modified GTX 700/600 series designs, owing to the fact that GM204’s memory bus has been held at 256-bits and its power requirements are so low.
[Anandtech .com]

so with that nothing NVidia speced [ no reference card ] is guaranteed to start with kinda like there not even true NVidia speced designed cards to start with from the get go..
 
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Saruhi

Reputable
Mar 4, 2014
19
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4,510

could it be that the bios versions are diffrent?

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junkeymonkey

Polypheme
BANNED
Nov 11, 2013
17,389
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no should not even 2 sister cards could have different bios . depending on manufacturing dates if any revision was used .

I see that gigabyte card is only at x4 NVidia requires a minimum of x8 maybe why its not detecting

are you sure your motherboard is SLI capable ???


from a NVidia rep ...

''For a motherboard to run in SLI mode, not only must it be SLI certified but the two PCI-E slots you insert the cards into must run at least in PCI-e x8 mode. The option to enable SLI will not appear if one of the cards is in a PCI-e x4 or x1 slot. ''

a motherboard can be crossfire ready but not SLI ready x-fire will work with one card at x4 sli will not
 
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Saruhi

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Mar 4, 2014
19
0
4,510


yes i checked the motherboard is compatible and im not sure why it says x4 on that picture.

KQ7rc2N.png


7QyBm8d.png
 
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J

junkeymonkey

Polypheme
BANNED
Nov 11, 2013
17,389
4
66,960
''yes i checked the motherboard is compatible and im not sure why it says x4 on that picture''

I see yopur board at top [ just did not think when I posted] but still like you why that x4 ??? slot bad ?? card bad ?? seing its now correct and the 2 caeds are now at x16 and you still cant turn on SLI ??


I see a few post on that board like this

http://www.tomshardware.com/forum/332158-30-gigabyte-990fxa-functioning

just don't know ? may try to swap cards in the slots [put the bottom card in the top spot and the card on top in the bottom ?] try different drivers ?

could be that evga deal ? maybe bad motherboard or card ? I guess this is why you buy matched cards at the same time and reference cards are preferred [NVidia reference is NVidia reference and NVidia spec. and compatible any brand , aftermarket cards are not ]

just don't know ? heck for all I know it could be that miserable win-10 malware , I mean OS [lol...]




 
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