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Corsair H70 fan advice

brandonwh64

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room temp is 72-74 deg F

*edit* 11 more minutes until complete still 67-68 deg
 
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Ok..so for now I have to addmit that my tems are quite higher..but as I mentioned my high room temp(shame I cant measure it) and note that I've finished the test in nearly half time and in every test the speed is by 10Gflops higher and thats not bad..
 

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Location
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*edit* 11 more minutes until complete still 67-68 deg

Me and my H70 probably cant beat that for now..well done :)

Edit:what speed are your fans at?
 

brandonwh64

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It looks like your voltage is 1.42V? Thats quite high for a I7 950.

I have two (85CFM) zalmans on the A70 at full speed (1500RPM)
 
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brandonwh64

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Im running 1.27V for 4Ghz and my stock voltage is like 1.22v.

What clocks are you running right now? stock? if stock try 1.25v if you at 4ghz or more then try 1.27-1.3v
 
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Im running 1.27V for 4Ghz and my stock voltage is like 1.22v.

What clocks are you running right now? stock? if stock try 1.25v if you at 4ghz or more then try 1.27-1.3v

Im @ 4.020GHz with 24 multi
 
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Thanks very much dude for your information,it was nice to share some experiences,If I would dissapear(I've got to go to work soon)then take care and see you round.Im looking forward to some more debates.
 

brandonwh64

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Test completed! max temp touched 69 deg cel, I suggest to try a much lower voltage and run IBT on my threads and memory for stability and then run 30-60min prime95 on max settings.

Try 1.3V first if that is stable then start going down by .01v

 
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Test completed! max temp touched 69 deg cel, I suggest to try a much lower voltage and run IBT on my threads and memory for stability and then run 30-60min prime95 on max settings.

Try 1.3V first if that is stable then start going down by .01v

http://img.techpowerup.org/101201/maxtemp.jpg

thats amazing(on air)!!congrats..I hope that with some voltage tunning I can get close to that too
 

brandonwh64

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thats amazing!!congrats..I hope that with some voltage tunning I can get close to that too

I was looking and what makes my Gflops so low is my ram speed is 1159mhz and you have got to be running 1333mhz-1600mhz ram correct?
 
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Try 1.3V first if that is stable then start going down by .01v

so if I understand you correctly,not only over voltage,but also under voltage can cause severe instability?
 
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I was looking and what makes my Gflops so low is my ram speed is 1159mhz and you have got to be running 1333mhz-1600mhz ram correct?

thats correct.I think mine is @ 1670MHz or so atm.
 

brandonwh64

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so if I understand you correctly,not only over voltage,mut also under voltage can cause severe instability?

Yes! like mine will do 4.2ghz @ 1.31V stable but at first i tried 1.38v and it would crash IBT and BSOD until i figure out to lower voltage to 1.31v and it ran IBT and prime95 all day long with no issues. I just love 4ghz tho cause of the lower stable voltage (1.27v). i will keep it here until i upgrade to a 32nm chip later on in the future
 
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Yes! like mine will do 4.2ghz @ 1.31V stable but at first i tried 1.38v and it would crash IBT and BSOD until i figure out to lower voltage to 1.31v and it ran IBT and prime95 all day long with no issues. I just love 4ghz tho cause of the lower stable voltage (1.27v). i will keep it here until i upgrade to a 32nm chip later on in the future

So if my cpu is stable at default voltage(which in fact was),by lowering the voltage our aim is to decrease the temps?
 

brandonwh64

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Yes, you stock voltage should be around 1.2-1.27v i think. (just googled it and the stock voltage is right around 1.212V)
 
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Yes, you stock voltage should be around 1.2-1.27v i think. (just googled it and the stock voltage is right around 1.212V)

so how comes that I'havent touched the voltages and we could see that it was 1.4V?
by the way my computer just restarted during IBT @ 1.3V(altough no BSOD),the temps were alike 10degrees + lower!!thanks a lot..I suppose since 1.3V caused a restart,I have to add up a little?(I did to 1.325V...
 

brandonwh64

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Whats more than likely the problem is that you have your voltage in bios on AUTO so the board just put out a high voltage to make sure your clock is stable, the BEST thing to do when OCing is to manually set ALL voltages to insure nothing get overvolted
 
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Whats more than likely the problem is that you have your voltage in bios on AUTO so the board just put out a high voltage to make sure your clock is stable, the BEST thing to do when OCing is to manually set ALL voltages to insure nothing get overvolted

Since there is a whole broad of range of settings and I dont want to bother you with all that,do you have any useful link to manual voltages setting for i7 950?
 
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Whats more than likely the problem is that you have your voltage in bios on AUTO so the board just put out a high voltage to make sure your clock is stable, the BEST thing to do when OCing is to manually set ALL voltages to insure nothing get overvolted

My friend you are my hero for today!!!!:D I've just passed the IBT @ 1.325V vith a whole 10degrees cooler on the hottest core against the test run @1.4V,in the same test conditions.thats no coincidence..you have my gratitude!!! and most of all respect too....now I really have to get ready to work so see ya soon here,to keep this interesting thread alive... :toast:
 

brandonwh64

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HAHA! nice! yea it took me a month to get usta messing with I7 clocks with the help of TPUs fine members! once i got mine set and saved into the bios (also have a hard copy of my bios settings) then i am just letting it run with ease!
 
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