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VX550 and 2500k 4.9 + gtx480 oc

post #1 of 8
6/14/12 at 2:37am
Thread Starter 
I'm running the 2500K at 4.9 ghz 1.42v and the GTX480 at 900/1800 1.100v and i'm getting nvidia lockups when i oc them both .The card is stable alone with i5 stock.
Can i start worrying i'm pulling too much out of my psu?I've seen 425W(+-3%) when 3dmark11 is running.
Thx!
Metsys
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Metsys
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post #2 of 8
6/14/12 at 2:40am
I don't think its the PSU. Maybe your OC is unstable?? 900 on air is pushing it a bit
Kill Bill
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Kill Bill
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post #3 of 8
6/14/12 at 2:49am
Have a very similar system and it's fully stable.It's not your PSU.Probably bad OC.
The long awaited one...
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The long awaited one...
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post #4 of 8
6/14/12 at 2:51am
  • B!0HaZard
  • HaZardously high overclocks are what I do
I've pulled significantly more from the plug with no issues.
Still a budget build
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Still a budget build
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post #5 of 8
6/14/12 at 6:17am
Quote:
Originally Posted by dafour View Post

I'm running the 2500K at 4.9 ghz 1.42v and the GTX480 at 900/1800 1.100v and i'm getting nvidia lockups when i oc them both .The card is stable alone with i5 stock.
Can i start worrying i'm pulling too much out of my psu?I've seen 425W(+-3%) when 3dmark11 is running.
Thx!

Make sure GPU is really stable w/ cpu @ stock speed, maybe it's just a coincidence. If it isn't, I would say it's the PSU. You're pushing it real hard IMO.

Btw, was the 425w reading with the cpu @ stock speed? I wouldn't be surprise if it's pulling like 600w with the OC, which is very close to the limit. And that's on 3dMark, go run Prime95 and Furmark, that's the real deal to see peak power consumption.
idk
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post #6 of 8
6/14/12 at 6:35am
  • B!0HaZard
  • HaZardously high overclocks are what I do
Quote:
Originally Posted by Bartouille View Post

Make sure GPU is really stable w/ cpu @ stock speed, maybe it's just a coincidence. If it isn't, I would say it's the PSU. You're pushing it real hard IMO.
Btw, was the 425w reading with the cpu @ stock speed? I wouldn't be surprise if it's pulling like 600w with the OC, which is very close to the limit. And that's on 3dMark, go run Prime95 and Furmark, that's the real deal to see peak power consumption.

The PSU is faulty if it is the cause. 3DMark doesn't load the CPU and GPU hard enough at the same time to make the power consumption peak. Prime95 and Furmark when OC'ed could hit 550 W (max), but 3DMark can't.
If he's pulling 425 W at the plug, the PSU is producing ~350 W for the components. That's nowhere near the limit and leaves PLENTY of headroom for OC'ing.
Edited by B!0HaZard - 6/14/12 at 6:39am
Still a budget build
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Still a budget build
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Notebook - Acer 4820TG
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i5 2500K @ 4.7 GHz MSI P67A-GD55 (B3) Gigabyte HD 7950 Windforce 3X 2x2 + 2x4 GB Kingston DDR3 @ 1600 MHz 
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Crucial M4 Hitachi 7K3000 Hitachi 7K1000.B LG GH22NS30 Super Multi 
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Windows 7 Home Premium 64-bit BenQ XL2420T - 1920x1080 - 120 Hz CM Storm Quickfire TK MX Brown Corsair VX550W 
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Fractal Design Define XL Logitech G500 SteelSeries QcK Auzentech X-Fi Forte 7.1 
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HiFiMan HE-400 
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post #7 of 8
6/15/12 at 8:32am
Thread Starter 
Yep i can go further ,looks like the 480 needed a slight bump,i'm at P7184 3Dmark11.
http://3dmark.com/3dm11/3657483

GPU is getting pretty hot guess if found my max redface.gif
Metsys
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Metsys
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post #8 of 8
6/15/12 at 8:35am
That PSU is totally fine for any single GPU, even an overclocked 480. No need to worry!
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