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2 PSU Failures in 1 Day w/ GTX 260 SLI (Hack)

post #1 of 12
Thread Starter 
I was playing Medal of Honor just a few moments ago when my PC suddenly shut off. When I put my face close to the psu vent I could tell it was hot, and it felt very hot.

What was I doing? Trying the SLi hack, which I don't think has anything to do with the failure.

The main thing I might be doing wrong is this - I have a Kingwin (less than stellar) Power Supply 610w. It has only 2 grafx connectors which can only be used for one of my GTX 260's. The other 260 is connected with molex-graphics connector adapters.

Earlier I blew another power supply (600w) trying the same thing.

If it was my cpu overclock I would've heard a sound from the mobo or only gotten a blue screen right?

Lame power supply? What say you
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post #2 of 12
Brand of original?
Maybe time to move away from crappy PSU's.
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post #3 of 12
Quote:
Originally Posted by beers View Post
Brand of original?
Maybe time to move away from crappy PSU's.
This, pretty much. There was a thread earlier in which the user installed a 970 into their rig and their PSU burst into flames because it was a cheap brand. The benefit to having a reputable PSU is not only the fact that it won't explode under load, but the fact that any reputable PSU's always have nice RMA.

When my rig shut down once awhile ago and a burning smell appeared (It turned out to be my low-end MOBOs VRM's) I thought it was my PSU, so I emailed Corsair and they emailed me back in less than 24 hours later asking me to RMA it as soon as possible, just to be safe.

Pretty cool if you ask me.
Edited by pjBSOD - 2/21/11 at 1:25am
post #4 of 12
gotta be something in the water today, eh?

sounds like the psu can't handle the sli.
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post #5 of 12
Thread Starter 
First one blown earlier was an "Eagle Voltas 600w"

http://www.microcenter.com/single_pr...uct_id=0325143
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post #6 of 12
Meh, depends on the age of the Kingwin, ones much over a year old are poor, newer ones are decent enough.
You may do better putting one PCI_E connector on each 260, and one molex adapter on each, and you may well do even better putting each molex adapter on a different molex cable.
You are certainly pushing the limits of a 600w unit like that.

Edit:
Looking at the pictures of the eagle unit, it looks more like an anorexic pigeon to me, probably no more than a 400w unit, no wonder it died...
Edited by allikat - 2/21/11 at 1:28am
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post #7 of 12
Yeah, stop buying bargain bin PSU's.
It's actually cheaper to spend a bit more on one unit than replace 2-3 of them..
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by allikat View Post
Meh, depends on the age of the Kingwin, ones much over a year old are poor, newer ones are decent enough.
You may do better putting one PCI_E connector on each 260, and one molex adapter on each, and you may well do even better putting each molex adapter on a different molex cable.
You are certainly pushing the limits of a 600w unit like that.

Edit:
Looking at the pictures of the eagle unit, it looks more like an anorexic pigeon to me, probably no more than a 400w unit, no wonder it died...
LOL!

Yeah the I bought the Kingwin around summer '09, so it's had its time and now I try SLi with it, not enough juice it seems. I like that idea with switching the connectors but I'm scared to even run the psu now, might it be able to turn back on after it cools down some?
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AMD Dream.on X4
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post #9 of 12
Quote:
Originally Posted by E-Peen View Post
This, pretty much. There was a thread earlier in which the user installed a 970 into their rig and their PSU burst into flames because it was a cheap brand. The benefit to having a reputable PSU is not only the fact that it won't explode under load, but the fact that any reputable PSU's always have nice RMA.

When my rig shut down once awhile ago and a burning smell appeared (It turned out to be my low-end MOBOs VRM's) I thought it was my PSU, so I emailed Corsair and they emailed me back in less than 24 hours later asking me to RMA it as soon as possible, just to be safe.

Pretty cool if you ask me.
LOL PSU was fine....just was single rail and OCP didnt hit so mobo went all emo and caught on fire.....not a BAD PSU by any means....

but back on topic, I would bet the failures are from cheaper 600W units trying to run 260's
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post #10 of 12
Get a better psu
Corsair,antec, seasonic just to name a few
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