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Q9650 overclocking problems. - Page 2

post #11 of 64
Well with OC everything is a risk. Yea put it on High and VTT does have to do with the CPU, and so they might make the OC better.

Yes move Vcore up one.
 
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post #12 of 64
Thread Starter 
Well there must be a certain point which is still within safe settings. Intel suggests not pushing the VID Voltage on this Cpu past 1.3625 so I'm not going to do that and I dont think I'd need to push it past that either since a lot of these CPU's are perfectly stable under 1.3V @3.6ghz.

The temperatures are all under 50C at full load under Prime95 so I wont have to worry about the temperatures damaging anything.

Another thing I had forgot to do was disable the Cpu spread spectrum. Would that have effected the stability much?
Edited by Sabre66 - 1/19/12 at 8:19am
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post #13 of 64
Safe? Trust me, their is only "Safer", the only thing that is Safe is stock lol

Well taking Vdroop into account if you bump up Vcore after OS load it will be below the Limit smile.gif

So bump up Vcore one more time...in VISTA on CPU-Z it should be at or below your limit due to Vdroop and if the OC is not stable then...well you will have to go down on the OC smile.gif

And some CPU's don't OC the same smile.gif All CPU's are different my friend so yours might not be stable at 1.3...

But anyways bottom line, increase Vcore one more time, if that doesn't work...you might have to settle with 3.4Ghz smile.gif

And yes 50C is fine, but the lower the better lol
 
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post #14 of 64
Thread Starter 
Ok thanks, I appreciate the advice and help smile.gif I'll do some tinkering and see how I get on. I'll post back my results later.
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post #15 of 64
Okay sounds good, Happy OCing and Good Luck smile.gif
 
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post #16 of 64
Thread Starter 
Just thought I'd give an update it's been running stable under Prime for 7 and a half hours now biggrin.gif
Thats 3 hours longer than it ever has!

I think I know what the problem was, I hadn't disabled PCI, Sata or Cpu spread spectrum so that might have been causing the instability.

Anyway my Voltages at the minute are
Vcore: 1.30V
VTT: 1.25V
Chipset: 1.23V
GTLRef: Middle
DRAM: 1.85V

Temperatures haven't gone over 54 in the last 7 and a half hours and their usually in the mid 40's smile.gif
Edited by Sabre66 - 1/19/12 at 3:11pm
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post #17 of 64
3.6 is nothing for your chip, my 9550 is doing 4.3 on only 1.36 (BIOS) VCore and it could do 3.6 on something like low 1.2s.

1: Switch to OCCT for now. OCCT is a much better (more sensitive) CPU test.
2: 740i is not a great overclocking platform, but it should be good for 400FSB with your chip I'd think. NVidia in general are not good with Core 2 quads.
3: First thing I'd start playing with on your setup is chipset voltage. Bump to 1.25 and see if it improves. Make sure the NB is getting air, NVidia NBs are hot as hell.

Don't start going crazy with VCore and definitely not with VTT. 400 is not a high FSB so you really shouldn't need to touch GTLs.

*Edit* Sorry didn't see your last post. Yea always disable spread spectrum.

I'd work on lowering your VCore.
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post #18 of 64
Quote:
Originally Posted by 2thAche View Post

3.6 is nothing for your chip, my 9550 is doing 4.3 on only 1.36 (BIOS) VCore and it could do 3.6 on something like low 1.2s.
1: Switch to OCCT for now. OCCT is a much better (more sensitive) CPU test.
2: 740i is not a great overclocking platform, but it should be good for 400FSB with your chip I'd think. NVidia in general are not good with Core 2 quads.
3: First thing I'd start playing with on your setup is chipset voltage. Bump to 1.25 and see if it improves. Make sure the NB is getting air, NVidia NBs are hot as hell.
Don't start going crazy with VCore and definitely not with VTT. 400 is not a high FSB so you really shouldn't need to touch GTLs.
*Edit* Sorry didn't see your last post. Yea always disable spread spectrum.
I'd work on lowering your VCore.

^I Second that, but 3.6 is a good start smile.gif
 
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post #19 of 64
Quote:
Originally Posted by 2thAche View Post

3.6 is nothing for your chip, my 9550 is doing 4.3 on only 1.36 (BIOS) VCore and it could do 3.6 on something like low 1.2s.
1: Switch to OCCT for now. OCCT is a much better (more sensitive) CPU test.
2: 740i is not a great overclocking platform, but it should be good for 400FSB with your chip I'd think. NVidia in general are not good with Core 2 quads.
3: First thing I'd start playing with on your setup is chipset voltage. Bump to 1.25 and see if it improves. Make sure the NB is getting air, NVidia NBs are hot as hell.
Don't start going crazy with VCore and definitely not with VTT. 400 is not a high FSB so you really shouldn't need to touch GTLs.
*Edit* Sorry didn't see your last post. Yea always disable spread spectrum.
I'd work on lowering your VCore.

This guy knows his ****. Still remember him from helping me OC my q9450 on my ep45-ud3p back in the day. Got over 500fsb with his help - with all 4 DIMM slots filled none the less!
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Orly
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3770k - Delidded ASRock z77 extreme4 GTX 980 Ti Classified GTX 980 Ti Kingpin 
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16gb Samsung Wonder RAM @2200 11-10-11-28 Samsung 840 pro 256gb Seagate FireCuda 2TB HGST Deskstar NAS 5TB 
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Apogee GTZ/MCP35X x2 in series/Koolance RP-401X2 EK-FC 780 GTX Classy - Acetal+Nickel+Backplate HWLabs Nemesis 360GTX EK-FC980 GTX Ti Classy KPE - Nickel 
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post #20 of 64
Thread Starter 
Quote:
Originally Posted by 2thAche View Post

3.6 is nothing for your chip, my 9550 is doing 4.3 on only 1.36 (BIOS) VCore and it could do 3.6 on something like low 1.2s.
1: Switch to OCCT for now. OCCT is a much better (more sensitive) CPU test.
2: 740i is not a great overclocking platform, but it should be good for 400FSB with your chip I'd think. NVidia in general are not good with Core 2 quads.
3: First thing I'd start playing with on your setup is chipset voltage. Bump to 1.25 and see if it improves. Make sure the NB is getting air, NVidia NBs are hot as hell.
Don't start going crazy with VCore and definitely not with VTT. 400 is not a high FSB so you really shouldn't need to touch GTLs.
*Edit* Sorry didn't see your last post. Yea always disable spread spectrum.
I'd work on lowering your VCore.

Well Worker 1 on Prime95 failed at 11:55 minutes, the rest of the cores all kept going till I stopped them around 15 and a half hours. Worker Always fails, the other core's hardly ever do and if they do it would usually be after Worker 1. 338

The thing about north bridge voltages is that I can only increase it in set values. The next value would be 1.36V. It has a passive aluminium heat sink and after the tests it was hot but not unbearably so, I was thinking about maybe fitting a small 40mm fan to it with cable ties.

-Daniel
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