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e6750 help me burn it - Page 2

post #11 of 26
Thread Starter 
DTK you were right =D it had a hole in 3.30~3.80. i puted the fsb to 1900 and it jumped to 3.80 and booted =D
It freezed btw but i didn't messed with voltages yet cuz i dont know what to raise. northbridge voltage? vcore? really dunno what to raise.
So please give me a int on voltages.
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post #12 of 26
What a strange looking CPU cooler you have! If it kept your temps under 70*C with P95 running small FFT's at stock settings then I would say wack the vcore up to 1.5V (general accepted as the safe limit on air for that cpu).

My guess is if you have a budget board like mine was, it might start holding you back here, but you CPU cooler seems to blow on it, so you will prob do better than I did.

Anyway, If the north bridge voltage gives you options between 1.2v and 1.5v, then try 1.5 or 1.4, if you can see other mobo related voltages (not RAM), you could try bumping them up a similar amount if that doesn't help, however I'd first try vcore voltage only, then fsb + vcore, then the rest if that still doesn't work.

If it runs prime 95 with small FFT's fine for 20 mins, then try reducing the vcore a few notches till prime causes bsods/freezes, then bump it up a couple of notches and see if its stable overnight, if its fine, then your done.

(Though if you looking to get new stuff soon, then I wouldn't bother with the overnight stuff, and just put up with the odd crash/reduced chip life if its not 100% stable)
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post #13 of 26
Thread Starter 
I'm at work now but when i get home i'll frie the thing down and tell you the results
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post #14 of 26
I ran unlinked on my e6600 back a few years ago. I had that at 3.6ghz.
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post #15 of 26
Thread Starter 
Mine has a hole so i cant go to 3.6.
Just a question the freezing is due to low voltage?
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post #16 of 26
Thread Starter 
ok i raised the voltages to 1.5 the vcore is a lil lower.
it froze so i got my memory timings to 6-6-6-18 and it booted.
runing prime it gave me an error.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
2 tests completed in 5 minutes.

So... should i be worried?
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post #17 of 26
That just means its unstable, what frequency was this at?

and what exactly was your vcore and northbridge voltages?

It's interesting that loosening your memory timings helped, I assume your running unlinked, so I can't imagine why it would help.

And while prime was running, what was your max CPU temp before it gave the errors?

If it's under 80 then you could trying bumping the vcore up even more, depending on if you want the chip lifespan in the years or months range. (tho I benched my old chip on 1.6v volts plenty and its still living in a friends PC)

Don't forget that prime95 is way more stressful than any game, so you might get away with what you currently have working, with the odd bsod every couple of hours/days/weeks (but might one day start bsoding under stock settings/be totally dead). =)
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post #18 of 26
Thread Starter 
My vcore voltage is 1.47, northbridge is 1.50.
My temps are 39 normal and 60 running prime. well if i play a game the computer still freezes =\\ my fsb is 1900.

So my temps are really low but it still freezes. any help?
Gess cooling isnt a problem.
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post #19 of 26
that CPU z picture shows 1.376v for you vcore, which is a pretty big vdroop, I'm not sure if your board has load line calibration (LLC) but if it does, wack that on, else just crack the voltage higher.

and turn off all the power saving options like C1E, then it will maintain 3.8ghz even while idle, which should stop it jumping around which might help.

with no LLC, just pump more voltage to make up for the voltage drop, see how 1.55v goes, your temps are really low anyway.
Edited by DTK - 5/21/11 at 7:28am
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post #20 of 26
Thread Starter 
Ok i put 1.6 in vcore and it give me 1.5 in cpu-z.
I was doing a stress test with everest and i froze afster 17 minutes, temperature was 69ºC
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