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I dont own a kill a watt but i have a theory.

post #1 of 25
Thread Starter 
So ive been trying to push my fx6300 to 5.0ghz but everytime i try to run prime95 it restarts. at first i was

well i got to thinking maybe my 750 watt psu isnt enough after all i do have 2x hd7950s oced to 1000/1500 along with the ram set to its intended 1600mhz and of course the already oced cpu at 4.7ghz..

ive punched my specs into psu calculator (i plugged in that i had 2x 7970s though since mine are oced and i believe the listings on that site are for reference cards.) when i do this is says rec wattage is 703 or so.. i factor in 80% efficiency and i can see why it would be restarting..

so what do you guys think? without me having a kill a watt to see for myself should i go ahead and order a new 1000w psu?

also i dont really feel like waiting for a kill a watt from newegg just to turn around and buy a psu from their as well. so how reliable are the meters on ups's for measuring this sort of thing.
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post #2 of 25
depending on the voltage you are running on your components, yes you are pushing the limits in my opinion.
if it's a straight restart without bsod this is likely what's happening.

i dont' own a killawatt either tongue.gif
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post #3 of 25
I would doubt it was using 750w
 
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post #4 of 25
Thread Starter 
thanks for the quick reply.

vcore is set at 1.500000
lol i cant remember the voltage on my gpus but i know its not stock.
dram voltage is at 1.55
everything else on auto


^^^^^ this is for my current overclock at 4.7ghz when i try ocing to 5.0ghz iven tried setting the vcore to 1.55 and it restarted so im thinking it is my psu and not just simply the fact i have bad silicon.. i mean hell its only 300 mhz
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post #5 of 25
I don't think you know what the efficiency means
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post #6 of 25
I would bet money it's not the computer using 750w, now if the overclock is wrong, or the power supply is bad that would be my concern. 750w should be plenty.

What 80+ rating is the psu, and give a link.
 
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post #7 of 25
Thread Starter 
Although... when running prime.. my gpus shouldnt be active ill have to dig into this more myself... UGH
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post #8 of 25
Quote:
Originally Posted by LostKauz View Post

Although... when running prime.. my gpus shouldnt be active ill have to dig into this more myself... UGH
That is true, unless your cpu is drawing 700+ watts hehe tongue.gif
 
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Which one? :P 
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Philip J. Fry
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Intel Core i5 M 480 Nvidia GeForce 310M 4gb Samsung ram 640gb Samsung HM641JI 
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Which one? :P 
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post #9 of 25
Thread Starter 
Quote:
Originally Posted by HPE1000 View Post

That is true, unless your cpu is drawing 700+ watts hehe tongue.gif

i just ordered a killawatt from amazon.. unfortunately im too cheap to overnight it so itll be here tuesday.
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post #10 of 25
Quote:
Originally Posted by LostKauz View Post

i just ordered a killawatt from amazon.. unfortunately im too cheap to overnight it so itll be here tuesday.

Cheap arse. wink.gif
    
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