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Pushing my Q6600 further - 3.3Ghz and beyond - Page 2

post #11 of 18
Def looking a bit scary on those temps.....

Also you need to run OCCT at least 2 hours..



thats with a lapped CPU & TRUE with 2 120m fans in a push pull.

Also your vdroop doesnt seem that bad, so maybe you wont have to push your vcore too high

Hers mine...

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post #12 of 18
Thread Starter 
There must be some kind of problem with my HSF installation because you've got more voltage going through yours and it's a good 10C cooler. There is the faster frequency, but it's only 100Mhz, not enough to make up for that. I've read that additional voltage increases temps exponentially, while higher frequencies increase temps in a linear fashion.
post #13 of 18
Quote:
Originally Posted by meatflower View Post
There must be some kind of problem with my HSF installation because you've got more voltage going through yours and it's a good 10C cooler. There is the faster frequency, but it's only 100Mhz, not enough to make up for that. I've read that additional voltage increases temps exponentially, while higher frequencies increase temps in a linear fashion.
You could try reseating the cooler again, that could be an issue. I sorta skimmed the thread but If you arent using Arctic Silver 5, it'll help your temperatures some. Also, having a fan blowing air onto the HSF will help, as long as you've got an exhaust somewhere else in the case.

You're right about the voltage affecting temperatues.. but where you are right now, I wouldnt think you need to have the voltage very high. You might try using the 8x multiplier, sometimes that works better. You only need 425 fsb to reach 3.4ghz, which is do-able for most boards. If you think it is something else, try bumping the northbridge voltage up one notch (if you havent already), that can help with stability at higher fsb.
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post #14 of 18
Thread Starter 
Quote:
Originally Posted by 0rion View Post
You could try reseating the cooler again, that could be an issue. I sorta skimmed the thread but If you arent using Arctic Silver 5, it'll help your temperatures some. Also, having a fan blowing air onto the HSF will help, as long as you've got an exhaust somewhere else in the case.

You're right about the voltage affecting temperatues.. but where you are right now, I wouldnt think you need to have the voltage very high. You might try using the 8x multiplier, sometimes that works better. You only need 425 fsb to reach 3.4ghz, which is do-able for most boards. If you think it is something else, try bumping the northbridge voltage up one notch (if you havent already), that can help with stability at higher fsb.
Using the included thermal compound that came with the CNPS9700, though I applied it well. Airflow is great, I have an Antec P182 so especially around the CPU there is a lot of air moving. The 9700 is blowing right into the rear exhaust and the top vent is blowing any hot air rising above out. Still, even when I'm at full load and the CPU is burning up at 70C the air coming out of my case feels pretty close to room temperature. The actual heatsink itself never gets too hot to touch either.

Northrbridge voltage doesn't seem to be affecting anything right now, same with FSB voltage.

Probably should lap the CPU and HSF and then reseat them with AS5.
post #15 of 18
Quote:
Originally Posted by meatflower View Post
Probably should lap the CPU and HSF and then reseat them with AS5.
that will do the trick!

but if your ordering new TIM, get OCZ freeze, no cure time. You'll see the real temp right then n there, not next week some time
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post #16 of 18
Thread Starter 
So today I lapped the IHS and remounted with Arctic Silver 5. I was going to lap the HSF as well, but Zalman apparently did a pretty good job with a distortion free mirror finish. I also bought another 120mm Tricool for the front middle fan mount on the P182.

When I initially booted up it was pretty disappointing. Same idle temps, same at load temps (actually one degree higher than I'd ever seen for a moment), and still the 5C disparity between half of the cores. I was thinking the disparity may have been caused by the tapered IHS or another problem, which would have been eliminated by lapping.

Computer has been running for about 6 hours now, normal use load, and the results from a 10m run of OCCT are a lot better. Note these are the same settings as my previously posted chart of similar length.



Down 5C from the previous highest temp (right after install), and 4C from the previous long running high. Pretty much in line with my expectations for lapping and in this case it was well worth it. I've maintained 3.3Ghz at low enough temps that I can actually run a full length stability test .

If AS5 really does get better after 200 hours as it claims, then I'll probably be able to get 3.4 or more at some point. Might be able to do it now and still keep it under 70C.

One thing that is still troubling is the temperature differences. Core Temp currently shows
38
35
35
39
The first and last are usually the same or no more than one apart as above. The second and third are always the same, fluctuating in sync. Before I lapped the difference was higher, sometimes as much as 9C. Now the differences doesn't surpass 5C.
post #17 of 18
Well most Programs dont use all 4 cores m8 so they are only really getting heat tranfer from the 2 cores that are on full load. I may be wrong so feel free to correct me
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post #18 of 18
AS5 has a 100hr cure time, so you should see a bit of a drop over the next week.

Also did you check your HSF for flatness with a flat surfac, I use a razorblade.
I had a MaxOrb which comes with a mirror base, but it wasnt a flat surface, so I took the first layer off and got down to the copper, it helped.

Also even with lapping my cpu runs at about a 6-7 degree diff core 1-4 on idle and load
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