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Phenom II steppings and max OC 550-940 - Page 100

post #991 of 2829
Quote:
Originally Posted by XenoMopH View Post
Yeah, same idea.
I took my side fan off for a couple of days, and my tmpin1 (NB?) went up to 45C!!
I attached my side fan again and temps dropped and stayed at 34C.
So yeah, maybe a 40mm fan to keep both NB ad SB cool isn't that a bad idea.

@sledgehammer1990: Yeah, look at the specification.
Yea I am going to do this tonight and see what happens.

Lapped the TRUE last night and got it hooked up. idle temps were 27c load were 46c @ 1.535volts.

I am also testing to see if my sensors or chip are faulty cause more tests revealed the 52c barrier with my chip. Something is wrong and I am bound to find out what.



100 pages of knowledge!!!!!
Edited by gsk3rd - 2/10/09 at 8:41am
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post #992 of 2829
Quote:
Originally Posted by gsk3rd View Post
I am also testing to see if my sensors or chip are faulty cause more tests revealed the 52c barrier with my chip. Something is wrong and I am bound to find out what.
Gsk3rd, how many different monitoring applications have you used to verify this temperature barrier? That seems pretty low be running into problems. I would imagine 62C being more realistic but 52C

Keep us updated

Good luck
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post #993 of 2829
Quote:
Originally Posted by thlnk3r View Post
Gsk3rd, how many different monitoring applications have you used to verify this temperature barrier? That seems pretty low be running into problems. I would imagine 62C being more realistic but 52C

Keep us updated

Good luck
Core temp, Everest, OCCT and AOD. core Temp has the best logging features with the excel format which is nice.
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post #994 of 2829
Quote:
Originally Posted by gsk3rd View Post
Core temp, Everest, OCCT and AOD. core Temp has the best logging features with the excel format which is nice.
Gsk3rd, if you were to drop the Vcore slightly and run a full load test again does it still lockup at 52C? I wonder if the higher voltage has anything to do with the lockups.

A 3.84Ghz overclock is still very impressive in my books.

Good luck
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post #995 of 2829
Is there anyway to turn off the CPU tweak? I dont have it in bios and i dont trust AOD anymore.
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post #996 of 2829
Quote:
Originally Posted by gsk3rd View Post
Yea I am going to do this tonight and see what happens.

Lapped the TRUE last night and got it hooked up. idle temps were 27c load were 46c @ 1.535volts.

I am also testing to see if my sensors or chip are faulty cause more tests revealed the 52c barrier with my chip. Something is wrong and I am bound to find out what.



100 pages of knowledge!!!!!
My chip seemingly does not like to go above 52 degrees either, at least for the voltage I've been pumping through it so far. Most I've ever tried is 1.56v, and I stopped testing after that. Case in point, I hit 3.9ghz OCCT stable under at least three different configurations, and each time the processor never exceeded 52-53 degrees. However, when I was testing my highest oc after my fans broke, my chip would seem to crash under load when @ 53 degrees everytime. And I know my cpu/motherboard can usually handle that oc, as it passed OCCT twice.

From what I've seen I would say that these chips have certain temperature thresholds, given a particular frequency and voltage. To achieve a certain clock frequency you would need a certain amount of vcore, however this is also dependant on the cooling method used and the temperature of the processor itself. The problem as we all know lies in the fact that as you pump in more voltage to a cpu, heat increases. I believe that is one of the factors in why these chips might be difficult to overclock. That's also the most likely reason as to why people on phase seem to hit stable oc's of the same frequency as those on air, yet with a much, much lower vcore. Chew over at XS proposed the theory that water makes little to almost no difference over extreme air setups, and given that a water setup will not cool much further than a very good air setup this would make sense. The temps would be lower, but would not be enough to overcome the various 'temperature thresholds' so to speak.

I may be very wrong, but take my example. Using 1.5v, I can hit 3.9ghz OCCT stable with my temps never exceeding 51 degrees. I can also hit 3.9ghz using 1.53v, once again not exceeding 51 degrees. Same for 3.9ghz using 1.55, it just hits 52 degrees. The interesting thing about the last 3.9ghz OC I did however, was that at 1.55v it was only stable once. I noticied after OCCT finished that my sound drivers failed, which I never had never seen before prompting me to believe that it was not completely stable. True enough, when I tested it again I got a BSOD @ 53 degrees. Variations in ambient temperatures could account for that 1 degree difference.

However many people here have run their chips @ well over 52 degrees, and currently because my system is buggered it'll hit 58 degrees on 34 degree days. I'm obviously not stress testing it under 34 degree ambient temps, but it does handle 'normal high load' such as gaming. So in the end it may be particular to a few chips, or just the overclocks me and Gsk3rd have been playing with, but my cpu seems to dislike going over 52-53 degrees as well. As for temp monitoring, I'm currently using coretemp as well as the primary program. Wizzard, OCCT (and it's graphs/logs), PC probe II however also all report the same temperature reading for me.
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post #997 of 2829
Quote:
Originally Posted by Drin View Post
My chip seemingly does not like to go above 52 degrees either, at least for the voltage I've been pumping through it so far. Most I've ever tried is 1.56v, and I stopped testing after that. Case in point, I hit 3.9ghz OCCT stable under at least three different configurations, and each time the processor never exceeded 52-53 degrees. However, when I was testing my highest oc after my fans broke, my chip would seem to crash under load when @ 53 degrees everytime. And I know my cpu/motherboard can usually handle that oc, as it passed OCCT twice.

From what I've seen I would say that these chips have certain temperature thresholds, given a particular frequency and voltage. To achieve a certain clock frequency you would need a certain amount of vcore, however this is also dependant on the cooling method used and the temperature of the processor itself. The problem as we all know lies in the fact that as you pump in more voltage to a cpu, heat increases. I believe that is one of the factors in why these chips might be difficult to overclock. That's also the most likely reason as to why people on phase seem to hit stable oc's of the same frequency as those on air, yet with a much, much lower vcore. Chew over at XS proposed the theory that water makes little to almost no difference over extreme air setups, and given that a water setup will not cool much further than a very good air setup this would make sense. The temps would be lower, but would not be enough to overcome the various 'temperature thresholds' so to speak.

I may be very wrong, but take my example. Using 1.5v, I can hit 3.9ghz OCCT stable with my temps never exceeding 51 degrees. I can also hit 3.9ghz using 1.53v, once again not exceeding 51 degrees. Same for 3.9ghz using 1.55, it just hits 52 degrees. The interesting thing about the last 3.9ghz OC I did however, was that at 1.55v it was only stable once. I noticied after OCCT finished that my sound drivers failed, which I never had never seen before prompting me to believe that it was not completely stable. True enough, when I tested it again I got a BSOD @ 53 degrees. Variations in ambient temperatures could account for that 1 degree difference.

However many people here have run their chips @ well over 52 degrees, and currently because my system is buggered it'll hit 58 degrees on 34 degree days. I'm obviously not stress testing it under 34 degree ambient temps, but it does handle 'normal high load' such as gaming. So in the end it may be particular to a few chips, or just the overclocks me and Gsk3rd have been playing with, but my cpu seems to dislike going over 52-53 degrees as well. As for temp monitoring, I'm currently using coretemp as well as the primary program. Wizzard, OCCT (and it's graphs/logs), PC probe II however also all report the same temperature reading for me.
I'm not alone!!!!!!!!! yay!!!!!! haha

will post up some tests I run tonight and see if I can further prove Drins theory..
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post #998 of 2829
I've still got the temperature logs, and screenshots I did for all my tests before my cooling went to bonkers. I can post them up if you'd like, but I believe they are already all present in this thread... somewhere here... in the 100 pages or so. I know I've uploaded them to OCN at least.

And I think I'll throw my hat back into the ring, I've gone too long without trying to OC something! Probably will take a week for everything to arrive/get set up, but it'll be fun to give it a shot. I'll video record it too, just to prove I'm on air. Of course if I only manage something like 4.0ghz stable, a video recording of that would be pretty silly and egotistical, but if I manage to hit something like 4.2ghz stable on air that'd be worthy.
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post #999 of 2829
For temps, I really have grown fond of PC Wizard 2008. It monitors core activity, voltages, temperatures (apparently more accurately than most) and also GPU temps. Plus it can do an overlay in the top corner. Awesome program for sure.
    
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post #1000 of 2829
I've observed that my mobo has a bad problem of vdroop. It drops 0.02v under load, which causes my system to be unstable at higher clocks.
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