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just killed my gtx460 - Page 3

post #21 of 72
4/29/12 at 5:07pm
Thread Starter 
i just found the problem. a cap popped. i will try and get a picture of it. but all i have is a cellphone camera


kind of a crappy picture but you get the idea. compare the bottom of the cap in the foreground to the one in the background. the cap has lifted up away from its base. makes much more sense to me than the VRMs going up in smoke, especially since i couldnt see any damage to them

2012-04-29_17-08-58_37.jpg
Edited by joman2055 - 4/29/12 at 5:15pm
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post #22 of 72
4/29/12 at 5:17pm
Quote:
Originally Posted by FallenFaux View Post

That voltage is too low to have fried your card imo and I think there's a good chance that there was something wrong with it in the first place. Have you considered calling Asus and seeing if they'll give you a RMA?
Quote:
Originally Posted by juano View Post

Wow that's surprising, I didn't think I'd see an Asus DC 460 fail from that voltage. I've had one folding at 1.1v for like 6 months.

Ahh! But the trouble with electronics is the voltage is only part of the equation. The current is more likely to have been the culprit - that's what causes the heat! The voltage doesn't help, cos it allows more current to flow too, which is why you get a little more overclocking headroom. Its possible the cap got stressed with the current flowing through it, and was possibly bad to start with. The unfortunate thing it, if it shorted, it may have taken out some MOSFETs too. If you were keen enough you could replace the cap and MOSFETs, but if you have the RMA option, thats the best to go for. smile.gif

just my 2p's worth. smile.gif
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post #23 of 72
4/29/12 at 5:24pm
That cap looks like it is BEFORE the MOSFETS - is it rated at 16-25V? If it is, you may just get away with replacing it with a cap of the same uf value, 25V rated. Would take about 10 mins of soldering. smile.gif
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post #24 of 72
4/29/12 at 5:25pm
Quote:
Originally Posted by latelesley View Post

That cap looks like it is BEFORE the MOSFETS - is it rated at 16-25V? If it is, you may just get away with replacing it with a cap of the same uf value, 25V rated. Would take about 10 mins of soldering. smile.gif

Still not worth endangering the RMA he's going through with.
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post #25 of 72
4/29/12 at 5:26pm
Quote:
Originally Posted by juano View Post

Still not worth endangering the RMA he's going through with.

Very true! smile.gif
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post #26 of 72
4/29/12 at 5:28pm
Thread Starter 
if asus wont RMA it i will replace the cap for sure. looks like the little bugger got pretty hot because it melted the solder on one of its pins.
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post #27 of 72
4/29/12 at 5:30pm
Quote:
Originally Posted by juano View Post

Wow that's surprising, I didn't think I'd see an Asus DC 460 fail from that voltage. I've had one folding at 1.1v for like 6 months.

This.

I had my Asus 460 DC volt limitation lifted, i flashed it with a custom bios. Ran it at MUCH higher volts than that.

Replace the cap, if you can. AVOID ASUS RMA AT ALL COSTS

img-thing?.out=jpg&size=l&tid=49734803
Edited by Rowey - 4/29/12 at 5:32pm
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post #28 of 72
4/29/12 at 5:36pm
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Quote:
Originally Posted by klewlis1 View Post

That sucks, sorry to hear you fried it, if you are interested im selling a sparkle gtx 460 768mb card for $80 shipped and its a beastly little card i hate to get rid of it but i wanna get a gtx 570 or so. It runs cool and overclocks like a beat i run it at 900/1800/2150 at 1.025v and it runs all my games maxed and i fold on it aswell and it gets 13k to 14k ppd, its about a yr old. Since this is the forums ill sell it for $75+ shipping, just pm me if you are interested. Sorry i idnt list the temps, it idles at 38c and runs maxx at 72c so its def a cool card biggrin.gif

i appreciate the offer but im either fixing this bugger or i am going to upgrade



im trying to find a west coast electronics supplier so i can get a cap quickly

got 2 caps coming my way (1 spare, they were only 0.84 a piece)
Edited by joman2055 - 4/29/12 at 5:56pm
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post #29 of 72
4/29/12 at 5:58pm
Thats cool, i dont blame ya, i was just trying to help, i hope you get it fixed soon, id die if mine took a **** on me cause i dont have a backup for it, goodluck with everything if you are upgrading there are some decent cards on the marketplace right now.
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post #30 of 72
4/29/12 at 5:59pm
Quote:
Originally Posted by joman2055 View Post

i appreciate the offer but im either fixing this bugger or i am going to upgrade
im trying to find a west coast electronics supplier so i can get a cap quickly
got 2 caps coming my way (1 spare, they were only 0.84 a piece)

Should be an easy task. Just don't make a mess with that solder! tongue.gif
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