teamlosigp,
Congratulations on a nice overclock. I've read your thread thoroughly, and although your temperatures have been called into question, and are borderline hot, I don't see any problems except that your temperatures simply need to be calibrated, and that you're using "Core Temp" for your monitoring utility, which can't calibrate individual cores. Also, the information which has been offered is somewhat out of context, so let's bring things into perspective. There is no need to speculate, since these questions have already been addressed in detail. If you look at the top of this Forum, you will see a Sticky:
Core 2 Quad and Duo Temperature Guide -
http://www.tomshardware.com/forum/221745-29-core-quad-temperature-guide
From the Guide:
Section 6: Scale
Scale 2: Quad
Q9x50:
Tcase Max
71c, Stepping
E0, TDP 95W, Idle
16W
Q9x50:
Tcase Max
71c, Stepping
C1, TDP 95W, Idle
16W
Q9400:
Tcase Max
71c, Stepping
R0, TDP 95W, Idle
16W
Q9300:
Tcase Max
71c, Stepping
M1, TDP 95W, Idle
16W
Q8x00:
Tcase Max
71c, Stepping
R0, TDP 95W, Idle
16W
Q8200:
Tcase Max
71c, Stepping
M1, TDP 95W, Idle
16W
Q6x00:
Tcase Max
71c, Stepping
G0, TDP 95W, Idle
16W
<--Q6600 G0
-Tcase/Tjunction-
--70--/--75--75--75--75-- Hot
--65--/--70--70--70--70-- Warm
--60--/--65--65--65--65-- Safe
--25--/--30--30--30--30-- Cool
Tcase = CPU temperature
Tjunction = Core temperature
This means that the 71c temperature shown in Intel's Processor Spec Finder -
http://processorfinder.intel.com/details.aspx?sSpec=SLACR - refers to CPU temperature,
not Core temperatures, which is a very common misconception.
The single best source of current Tjunction Max information available anywhere on the internet can be found on the Real Temp thread over at XtremeSystems -
http://www.xtremesystems.org/forums/showthread.php?t=179044&page=114 - Since Intel's most recent Developers Forum (IDF) in October, the author of Real Temp, Kevin Glynn, (
unclewebb), has changed Tjunction Max in Real Temp Beta releases to 100c for the Q6600 G0, according to Intel's updated Tjunction Max values for 65nm processors. Based upon my own research, as well as Kevin's, and the extremely well informed user,
rge, we think that the actual Tjunction Max value for the majority of Q6600's fall between 95c and 100c. Allow me to explain.
Intel has stated that the DTS sensors are designed for Throttling and Shutdown protection, are more accurate at very high temperatures, become unreliable below 50c, and should be disregarded at Idle. Intel has also stated that Tjunction Max values vary between individual cores, and have a "range" or target value that can be as much as +/- 10c due to variables such as sensor "slope" error, which is especially pronounced on 45nm parts. This highlights the reason why Tjunction Max Values are rounded to the nearest 5c, such as 85c or 100c, while
Tcase Max values are instead precise numbers to the tenths of a degree, such as the Q6600 B3 at 62.2c -
http://processorfinder.intel.com/details.aspx?sSpec=SL9UM
Since everyone is so brainwashed on Core temperatures (Tjunction), they forget that there's a CPU temperature (Tcase)sensor designed for measuring temperatures from Idle thru Load, which is more accurate (
when calibrated) than the often sloppy Tjunction sensors. Further, most users are not aware that the temperature shown in Intel's Processor Spec Finder is Tcase (CPU temperature),
not Tjunction (Core temperature). Additionally, there's a known and constant relationship between Tcase and Tjunction at Load, which is 5c, and is shown on page 4, figure 5 of the following Intel document -
http://arxiv.org/ftp/arxiv/papers/0709/0709.1861.pdf
This provides us with a simple 2 part procedure to accurately calibrate Tjunction Max values for each of your particular processor Cores. By using a standardized test setup and simple elementary school math, step 1 is to measure ambient temperature, then factor known Idle power dissipation values with CPU cooler efficiency values, which gives accurate Tcase (CPU temperature) for Idle calibration. By using the same standardized test setup, step 2 is to run Prime95 Small FFT's then add 5c to Tjunction (Core temperature) for accurate Load calibration.
It's just this simple:
Part 1: Ambient + Idle Power + Cooler Efficiency = Tcase Idle (CPU temperature)
Part 2: Tcase Load + 5c = Tjunction Load (Core Temperatures)
This is the calibration procedure in Section 9 of the Core 2 Quad and Duo Temperature Guide. When calibrated, your Tjunction Max will typically average about 97 to 98c, which is reasonable and in keeping with Intel's most recent statements concerning the confusion about Tjunction Max values. I developed the calibration procedure early this year before Real Temp was first released. My calibration procedure works, and is more accurate than just relying on uncalibrated sensors using Intel's default Tjunction Max values.
I hope this helps,
Comp
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