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2 x 780 gtx's both dead on arrivale

Well the 780's are fine tried them on another system. im a happy man, thought id broke them somehow.

As of now i have removed the new 1250 PSU and replaced it with my cosair HX850, and its running fine so far with my 690(1 hr or so, and considering the other psu was rebooting after 5mins max im pretty sure its the culprit)

Ill leave it some more before im happy enough to do another bios fluash, then ill do that and retry the 780's

Finally another noob question the sli bridge I have with the mobo is only a single width one, the 780s are double pin, do i need a different bridge?

And thanks again all, i really appreciate the help you lot have given so far.

That bridge is fine
 
Going from forum history, it does mainly affect the UD3H boards. The BIOS update worked in most of them, just not everyone.
 
Are these problems on the UEFI's or older bios?

Either way I guess I've been lucky with my Gigabyte EX58-UD5 then, 780 slotted in there and ran straight away. Just as well really, I'm already on the lastest version and I don't think its supported any more.

I think this was only on boards with UEFI bios'
 
OKay bang up to date with the bios now, and running one 780 from it, stable so far, gonna add the second in now and leave it a while.

Can confirm this bios did the trick the 780 still wouldnt load under the f16 bios with the old PSU.

Can finally see the light at the end of the tunnel, just gotta get the new pus in and do all the cable management again :)
 
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