IMPORTANT question about power pin

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omidelf

omidelf

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Jul 9, 2013
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Hey guys my power has 3 x 8pin and i have 2 gtx 770 4Gb (each need 2x8 pin )

so for 2 days i used it with 3x8 pin and 1x6pin , but the SLI did not work then i stoped using 6pin , so did it damage my VGA ?

and now i'm using molex connector , is it ok to use molex ?
my power is 1035 WATT
 
Solution
ronintexas
Generally speaking, unless you connect power in reverse, it won't damage the card, but that isn't always the case. I would try it with a proper power supply/connectors first, and if it doesn't work, RMA the card.
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Shaun o

Shaun o

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Oct 7, 2007
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Yeah your problem as to why they would not SLI is because of a lack of power to one of the cards.

You should be ok using the molex to eight pin since you have at least a 1000W power supply.

I take it you have connected the bridge ribbon provided to use SlI of the two 770 cards.
If so it was due to voltage.

One more thing if the cards are of two different brands check eack of the clock frequencys
of each card for the Gpu, shaders, and memory speed match.
Some times it can cause the cards not to enter SLI mode since they are not synced.

 
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omidelf

omidelf

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Jul 9, 2013
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did it cause any damage when i used 6 pin for my second vga ?
and yes i used sli bridge

 
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