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I LOVE the smell of burnt VRM's in the morning! (Help needed!)

post #1 of 23
10/9/12 at 8:25am
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So I OC'ed my 920 to 4.0GHZ @ 1.5 volts. I was running an hour at Prime95 to see if she was stable and then POP! It just shutdown. I sat there stunned for a bit and then wondered what was going on.

Then I smelled it.

Burning VRM's have a very distinct smell, and I knew before I opened the case up what I would see. Behold!

For reference, this was an EVGA X58 SLI LE on a Corsair TX750, a single GTX 470, and an i7-920. This computer was named "Hydra" and she died by fire... devil.gif

So now I'm on the hunt for a new X58 board since it's far out of EVGA 90 day warranty. Check out the picture, and happy OCing


Edited by coachmark2 - 10/10/12 at 9:11am
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post #2 of 23
10/9/12 at 8:28am
Ouch
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post #3 of 23
10/9/12 at 8:29am
1.5v is a lot of volts for prime95 on Nehalem... It was a C0 or something?
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post #4 of 23
10/9/12 at 8:33am
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Damn, sorry for the loss. How long did the board serve you?
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post #5 of 23
10/9/12 at 8:38am
Sorry for your loss but where you trying to kill the cpu? Putting 1.5V through the CPU and running prime95 is a great way to do it.
Edited by rancor - 10/9/12 at 8:43am
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post #6 of 23
10/9/12 at 8:38am
Quote:
Originally Posted by Alatar View Post

1.5v is a lot of volts for prime95 on Nehalem... It was a C0 or something?

I agree.

OP, did you have enough fans around VRM area? I see a waterblock on the CPU. Perhaps also get a mobo waterblock next time.
Edited by Riou - 10/9/12 at 8:40am
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post #7 of 23
10/9/12 at 8:50am
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Hey all,

It's a 920 D0 stepping, and my case sounded like a tornado attacking a herd of kittens. SO MUCH AIRFLOW. biggrin.gif Under prime, with an H60, I was only hitting 76 Celcius and 48 in games. I suppose 1.5 was a bit much for her.... frown.gif
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post #8 of 23
10/9/12 at 9:07am
How long where you running 1.5V?
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post #9 of 23
10/9/12 at 9:11am
I guess you're very fortunate, It could of been a lot worse.
And only 90 Day warranty? Were you required to register to obtain more days? or was It something like an OEM version?
Edited by TopicClocker - 10/9/12 at 9:14am
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post #10 of 23
10/9/12 at 9:15am
Quote:
Originally Posted by coachmark2 View Post

Hey all,

It's a 920 D0 stepping, and my case sounded like a tornado attacking a herd of kittens. SO MUCH AIRFLOW. biggrin.gif Under prime, with an H60, I was only hitting 76 Celcius and 48 in games. I suppose 1.5 was a bit much for her.... frown.gif

One of the disavantages of watercooling is that the mobo does not get much active cooling. With a 920 D0 stepping, around 1.30 V or less should be quite enough for 4.0 GHz. Although you were using an EVGA X58 SLI LE, which did not have great VRM components. It was a 6+1 or 6+2 VRM implementation iirc, so 1.50v may have been too much for that mobo. Other X58 mobos had good 8+2 VRM or a bunch lower capacity 16+2 VRM implementations.
Edited by Riou - 10/9/12 at 9:17am
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