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6400 temps to high?

post #1 of 23
Thread Starter 
I did a ghz overclock, and i was wondering if my temps are to high, my idel temp is 43-45c in core temp, but BIOS says its like 30c. Still 43c is ok for core temp right? Cause itll get close to 60 on 100% load
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post #2 of 23
yes that temperature is fine...assuming your using the core temp program to detect it
post #3 of 23
thats really good temps considering a 1ghz overclock.
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post #4 of 23
Thread Starter 
Cool I appreciate the info, thanks a bunch
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post #5 of 23
#1 - Idle temps are meaningless.

#2 - BIOS is roughly 50% load on the CPU (so it is odd that your idle is higher than your BIOS)

#3 - 60c is too hot for a heavily overclocked Core 2 Duo, regardless of where it is measured. There has been much talk about the C2D CPUs ability to go to 85c measured in TAT, but there has been no solid proof of where this number came from given. Intel states that the max rated tempeture for a C2D running at stock settings is 60.1C. It is highly unlikely that a difference of 25c exists between the IHS(where Intel's specifications are stated) and the core.

For a heavily overclocked Core 2 Duo you should not exceed 55c on the TAT program if you plan to keep the CPU for longer than a year.


If there is solid proof to support the claim of higher temps allowable, I encourge anyone to share that, but to date I have seen nothing that supports it.
post #6 of 23
Quote:
Intel® Core™2 Duo Desktop Processor E6400:
Thermal Specification: 61.4°C
Quote:
Thermal Specification:
The thermal specification shown is the maximum case temperature at the maximum Thermal Design Power (TDP) value for that processor. It is measured at the geometric center on the topside of the processor integrated heat spreader. For processors without integrated heat spreaders such as mobile processors, the thermal specification is referred to as the junction temperature (Tj). The maximum junction temperature is defined by an activation of the processor Intel® Thermal Monitor. The Intel Thermal Monitor’s automatic mode is used to indicate that the maximum TJ has been reached.
61.4C is the recommended MAX from Intel, for the temperature at "geometric center on the topside of the processor integrated heat spreader." The BIOS and other programs that DON'T read Core temps (TAT and Everest are not one of these), report this temperature.
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post #7 of 23
Doing some research on the temperature issue. For stock speeds, I have found this document:
http://download.intel.com/design/pro...s/31327802.pdf

Page 77: Thermal Profile (Intel® Core™ Duo Desktop Processor E6000 Sequence with 4 MB L2 Cache - Thus the E6600 & E6700).
Formula: Tc(MAX) = 0.26 x Power(W) + 43.2. Since the maximum specified power is 65W, Tc(MAX) = 0.26 x 65 + 43.2 = 60.1C. The cardinal question is now, how far this relationship between power and temperature can be extrapolated. Obviously, Intel is not going to specify anything beyond stock specs.

From same document, we see that the Tc(MAX) for the E6300 & E6400 is a little higher, as defined by Tc(MAX) = 0.28 x Power(W) + 43.2, thus 61.4C @ 65W power.

Finally, the Tc(MAX) for the X6800 is 0.23 x Power(W) + 43.2, and the X6800 has a max specified power of 75W, translating into a Tc(MAX) of 60.4C.

Again, this is all at stock Intel specifications. I will try to find how far the lineair relationship between power and Tc(MAX) can be extrapolated (if any) and if there is a definate answer to the question what the absolute safe Tc(MAX) is.

And indeed, these temperatures are defined at the geometric top center of the processor. TAT and Core Temp measure the individual cores, and thus spit out higher temperatures.
    
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post #8 of 23
Chozart, that will be a big help to all those looking to OC there C2D without ruining them
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post #9 of 23
Quote:
Originally Posted by Chozart
And indeed, these temperatures are defined at the geometric top center of the processor. TAT and Core Temp measure the individual cores, and thus spit out higher temperatures.

That's the million dollar question. If this is indeed correct, what would be the absolute highest TAT temp that one should use? I've been sticking to 60 @ load on small FFTs in Orthos. Some people say more, some say that one should stick below 55, and intel, who I e-mailled earlier this week said:

Quote:
Hello Jimmy2Shoe,

Thank you for contacting Intel(R) Technical Support.

I understand that you are seeking information regarding the operating temperature of the Intel(R) Core(TM) 2 Duo processor E6300.

The maximum operating temperature of the Intel(R) Core(TM) 2 Duo processor E6300 is 61.4 degrees Celsius. As long as the processor is operating under this temperature it is operating within specifications. We recommend setting any thermal alarms about three (3) degrees below the maximum recommended temperature for the processor. We do not have a normal operating temperature for the processor as this temperature will vary depending on the chassis and other hardware installed on the system as well as the actual load the software is placing on the processor.

To verify the thermal information for this processor please visit the following website:
http://processorfinder.intel.com/det...px?sSpec=SL9SA

For more information on thermal management you may visit:
http://www.intel.com/cd/channel/rese...eng/299986.htm

We also recommend using a thermally advantaged chassis. Please check the following website to identify a thermally advantaged chassis:
http://support.intel.com/support/pro.../CS-008537.htm

You can find a list of tested thermally advantaged chassis at the following website:
http://www.intel.com/cd/channel/rese.../eng/53211.htm

For more information on system overheating please visit the following website:
http://www.intel.com/cd/channel/rese...eng/242783.htm

We also recommend having the latest BIOS version for your motherboard.

I see that you are also looking for information on “overclocking”.

Overclocking is neither recommended nor supported by Intel(R).
Information on this subject can be found at:

http://www.intel.com/support/process.../cs-007627.htm and
http://www.intel.com/support/process.../cs-001614.htm

Please do not hesitate to contact us again if you need further assistance.

Sincerely,

Adolfo S.
Intel(R) Technical Support

Intel(R) Processor Support Web Site:
http://support.intel.com/support/processors/index.htm

Intel is a registered trademark of Intel Corporation or its subsidiaries in the United States and other countries.

*Other names and brands may be claimed as the property of others.
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post #10 of 23
Hmm according to that, dont go over 60c then If you dont and if it breaks, RMA.
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