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450 posts

Ultimate Geek
+1 received by user: 87


  Reply # 536384 22-Oct-2011 11:12
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You should be able to get to 2.8ghz without touching the vcore. I was running mine at 3.2ghz on stock cooling.



20 posts

Geek


  Reply # 539105 29-Oct-2011 22:11
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throbb: You should be able to get to 2.8ghz without touching the vcore. I was running mine at 3.2ghz on stock cooling.


I have gotten up to 2.7Ghz. I tried 2.8Ghz first without increasing the core and it crashed. and then I increased the Vcore and by one or two steps and it still doesnt boot up.

80 posts

Master Geek


  Reply # 546645 17-Nov-2011 19:54
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Azzura: Manually set Vcore to stock instead of auto. Disable C1E and Speedstep. Lock PCI to 100MHz or is it pci-e (sorry been awhile since oc'n my q6600...either or it won't hurt to lock pci-e or pci).
Set the DRAM ratio to 1:1 while overclocking
Increment FSB by a small amount, leave multiplier at 9. Run Prime95 for 3 or 4 hours. 20 min should give you a relative idea about the stability, do the 3-4 or 24 hrs test once you get to the clocking you want.
If stable, increase FSB by another small amount. If unstable, increase Vcore by a step.
Continue until you reach target, or until temps/Vcore rise to high for liking.

I had mine running at 3.6GHz (been years now since running a q6600). OC'n with top of the line HS/fan for the day, reached 4.0Ghz on air with some creative big house fan help. 4.0 GHz was much easier to do with phase change cooling though.

Q6600 will easily/should do the 2.8GHz pretty easily. Possibly it won't take much of v bump. Just keep an eye on temps if running stock hs/fan.


Hi Azzura ,
              interesting you got yours to 4Ghz I have mine at 3.2 but its bottoming out anything over that I have a V8 cooler so not too worried about heat but was thinking I may go for a sealed water cooler option ... what I would like to know is how you got it to 4.0Ghz I have a feeling my memory is causing the problem im only running DDR2 400 would this be the bottle neck to not getting any higher stable clock speed? im thinking of upgrading my machine but if I can squeeze it up to 4G then I wont really have to upgrade the only difference being its not a hyperthreading chip

Cheers
Andrew

335 posts

Ultimate Geek
+1 received by user: 45


  Reply # 546712 18-Nov-2011 00:11
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It has been a longtime since I OC'd my q6600. All my notes are either gone or in a book somewhere.

What I think I probably had to do was run loser timings on the ram, change the ratio (pretty sure it was 1:1...or as low as you can go) and most likely had to bump the voltage up on the ram.

I don't suggest you do any what I said above until you do some research on it.

I barely got 4.0GHz on air...the chip just runs too hot for air (it was just booting at 4.0 into windows, I could not even bench at it). Water might/probably would be able to handle it...but it would most likely require a pretty jazzed up big water cooling loop.

But water cooling isn't something I have done...I am pretty certain those self contained water cooling cpu units wouldn't be up to the task of a q6600 at 4.0GHz.

I say the line above because----

The phase change cooled the cpu down to -44C at idle, but once I started benching....even it still struggled to cool the cpu running at 100% during benching. When things are at -44C...I didn't really worry about what the Voltage setting was.....that and I had my 920's by then.

3.2 GHz is a good safe overclock (not likely things are going to burn out)...3.6GHz is doable for 24/7 operation but still borderline risky, even if temps ok (most likely the cpu temps will be bordering max recommended temps). 4.0Ghz....you might get into windows and do a quick SuperPi bench...but I doubt your going to be running the computer 24/7 at it (if that is your goal).

If you are going to follow through and play with pushing it -----Google it - overclocking Asus P5K SE q6600 and pay particular attention the the overclockers.net forums (if you haven't been there already).

Good luck!

Something I found on an overclockers forum -
"Yeah, seriously I have a high end water system(thermochill 120.2 w/4 fans and a dtek fusion) with my quad and I have a hard time keeping it under 60c under full load at 3.6ghz using 1.5v"

80 posts

Master Geek


  Reply # 546869 18-Nov-2011 13:01
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Azzura: It has been a longtime since I OC'd my q6600. All my notes are either gone or in a book somewhere.

What I think I probably had to do was run loser timings on the ram, change the ratio (pretty sure it was 1:1...or as low as you can go) and most likely had to bump the voltage up on the ram.

I don't suggest you do any what I said above until you do some research on it.

I barely got 4.0GHz on air...the chip just runs too hot for air (it was just booting at 4.0 into windows, I could not even bench at it). Water might/probably would be able to handle it...but it would most likely require a pretty jazzed up big water cooling loop.

But water cooling isn't something I have done...I am pretty certain those self contained water cooling cpu units wouldn't be up to the task of a q6600 at 4.0GHz.

I say the line above because----

The phase change cooled the cpu down to -44C at idle, but once I started benching....even it still struggled to cool the cpu running at 100% during benching. When things are at -44C...I didn't really worry about what the Voltage setting was.....that and I had my 920's by then.

3.2 GHz is a good safe overclock (not likely things are going to burn out)...3.6GHz is doable for 24/7 operation but still borderline risky, even if temps ok (most likely the cpu temps will be bordering max recommended temps). 4.0Ghz....you might get into windows and do a quick SuperPi bench...but I doubt your going to be running the computer 24/7 at it (if that is your goal).

If you are going to follow through and play with pushing it -----Google it - overclocking Asus P5K SE q6600 and pay particular attention the the overclockers.net forums (if you haven't been there already).

Good luck!

Something I found on an overclockers forum -
"Yeah, seriously I have a high end water system(thermochill 120.2 w/4 fans and a dtek fusion) with my quad and I have a hard time keeping it under 60c under full load at 3.6ghz using 1.5v"


Thanks very much for the info ..... hmm at it I might be hard pressed to get the chip above 3.2 Im wanting to upgrade my machine for flight simming any ideas .... I was looking at the AMD 8150 but reviews etc dont look very good .

335 posts

Ultimate Geek
+1 received by user: 45


  Reply # 546960 18-Nov-2011 15:43
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When building a system for games...it depends on how good you want the game to look, how smooth you want it to run vs size of display you want/have, allowable budget your comfortable to spend.

I  don't know a whole lot about the AMD 8150. But just some quick checking of some reviews...it seems the i7-2600K performs better in most areas ..for what $40 bucks more over at Ascent?

Nice review here over at Hardware Canucks - http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/47155-amd-bulldozer-fx-8150-processor-review.html

From what I gather some guys are overclocking the sandy's to 4.7-5.0GHz...depending on the chip.

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