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The i5-760 OC Club - Page 20

post #191 of 1434
11/29/10 at 8:33am
Quote:
Originally Posted by tjbridge View Post
I suggest you go back to 4Ghz and enable LLC. be sure to set your DRAM frequency to lowest(x6). Work your way up(inc vcore and qpi) from there. CPU-Z reports that actual voltage. You see lower voltages because the system is idle--vdroop effect. A .01-.02v difference between idle and load is normal.
So i take it that if my cpu voltage is set to 1.3 llc enabled that i shouldn't still be getting 1.248v in cpuz while running prime95?
Is there some other setting that would cause this?
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post #192 of 1434
11/29/10 at 3:47pm
Thread Starter 
Quote:
Originally Posted by dembo1305 View Post
So i take it that if my cpu voltage is set to 1.3 llc enabled that i shouldn't still be getting 1.248v in cpuz while running prime95?
Is there some other setting that would cause this?
To give you an idea, my vcore at bios is at 1.2875v

In cpuz, i get 1.260-1.280 when idle.
During prime95, i get 1.280-1.296 when running blend test.

If you said that you set it to 1.3v then you get a 1.248v in cpuz, maybe somethings wrong with your power supply or any other settings in your motherboard which i may not be familiar with since mine is gigabyte. try updating your bios and clear the CMOS settings. then apply the desired settings once again.
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post #193 of 1434
11/29/10 at 6:29pm
Quote:
Originally Posted by tjbridge View Post

I can get up to 3.9Ghz with that vcore. try increasing your VTT to 1.25-1.27v
Please also use prime95 in your stability test. Blend 3hours would be fine. IBT 20x max is not always reliable.
Such a huge increase in VTT for 100mhz not really worth it .

Personally IBT has been the best most reliable test ive used.

Plus you talked about blend test on prime 95 how about 50 runs on IBT enough for you

Accidently put 2 CPUZ screenshots on the Mainboard stats

Here is another screenshot of Prime 95 running 10 hrs on Blend !




Edited by Benny99 - 11/30/10 at 5:16pm
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post #194 of 1434
11/30/10 at 2:42pm
Hey again! I managed to fix my rig, turns out it was the BIOS giving me problems. I finally managed to get it updated and I am running solid! I even was able to OC to a stable 3.8 GHZ, running Prime95 for 20hrs. It's running a little hot as you can see. Should I be worried? Should I try to reseat my fan(again)?



Vtt:1.65
VCore:1.88
DRAM:1.65
QPI Ratio:16
EIST, C1E, Spread Spectrum, Turbo: off
Low VDroop on
Edited by DFortinbras - 11/30/10 at 2:46pm
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post #195 of 1434
11/30/10 at 6:51pm
14hrs+ Lprime & IBT 50x runs at Max

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post #196 of 1434
11/30/10 at 8:06pm
Quote:
Originally Posted by hotpeanut View Post
14hrs+ Lprime & IBT 50x runs at Max
What Vcore and IMC/VTT are you running ?
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post #197 of 1434
12/1/10 at 7:14am
Thread Starter 
Quote:
Originally Posted by Benny99 View Post
Such a huge increase in VTT for 100mhz not really worth it .

Personally IBT has been the best most reliable test ive used.

Plus you talked about blend test on prime 95 how about 50 runs on IBT enough for you

Accidently put 2 CPUZ screenshots on the Mainboard stats

Here is another screenshot of Prime 95 running 10 hrs on Blend !
before i ran IBT 50 runs but still my prime 95 had error in 4 hours. IBT wouldn't suffice for me. As long as it's really stable for what you intended it for, then it's okay.

Quote:
Originally Posted by DFortinbras View Post
Hey again! I managed to fix my rig, turns out it was the BIOS giving me problems. I finally managed to get it updated and I am running solid! I even was able to OC to a stable 3.8 GHZ, running Prime95 for 20hrs. It's running a little hot as you can see. Should I be worried? Should I try to reseat my fan(again)?

Vtt:1.65
VCore:1.88
DRAM:1.65
QPI Ratio:16
EIST, C1E, Spread Spectrum, Turbo: off
Low VDroop on
VTT should be around 1.25-1.35v only. Too much VTT might damage your motherboard.

Vcore is outrageous! It should only be at 1.2-1.3v. What OC guide did you follow? With your current status, there's a probability your hardware will be damaged permanently.. Nothing is wrong with your fan. It is your voltages! Now change them asap!

Quote:
Originally Posted by hotpeanut View Post
14hrs+ Lprime & IBT 50x runs at Max
I will not update your specs in my first post unless you give the screenshot with the cpu vcore. thanks
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post #198 of 1434
12/1/10 at 3:49pm
Hi Guys. Just thought i would add my details for my first overclock. Many of your thoughts helped me. One thing not many people seem to have mentioned is VTT. So i will add mine.

System is "stable" at 4ghz.
Temps: Idle 38. Full load 68-70. (no air con)
VCORE is at 1.25. CPU-Z states 1.232
VTT also 1.25. Had system stable at 1.25 VCORE and 1.31 VTT. Worked backwards and seems good at 1.25 VTT. Having them the same will help me remember.
20 x 200 BLCK
RAM is set as box states. 1.65 (1.64 in my bios)
Timing standard 9-9-9-24.

Prime 95 small fft @ 12 hours no errors
Prime 95 Blen @ 2 hours no errors
OCCT 1 hour no error
Benchmark Vantage. Score was 18500 (it was 185..something)
Smashed in in 3D modelling (Solidworks)
Video encoding

Anyway seems good to me.

Please dont yell at me if my "lingo" isnt correct. Im a newbie. But if i can help please let me know.

Cheers
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post #199 of 1434
12/1/10 at 3:53pm
.......
Edited by Hyperactive - 12/1/10 at 3:56pm
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post #200 of 1434
12/1/10 at 4:04pm
Quote:
Vtt:1.65
VCore:1.88
DRAM:1.65
QPI Ratio:16
EIST, C1E, Spread Spectrum, Turbo: off
Low VDroop on
VTT should be around 1.25-1.35v only. Too much VTT might damage your motherboard.

Vcore is outrageous! It should only be at 1.2-1.3v. What OC guide did you follow? With your current status, there's a probability your hardware will be damaged permanently.. Nothing is wrong with your fan. It is your voltages! Now change them asap!
Oh god. My Vtt and VCore are typos! My brain was fried from working on the rig and I missed it. Such a dumb****. My REAL stats are:
VTT:1.188
VCore:1.2
Had the VCore are 1.165 but it was a little unstable at startup. Heh. It's so easy to just miss one number and throw everything out of whack. Oh, and my temps are much lower now that I buffed out some burrs on my heatblock and reapplied TIM. 70C at load. Sorry to freak you out tjbridge, but thanks for the concern!
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