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Thread: Real Temp - New temp program for Intel Core processors

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  1. #11
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    Unclewebb, last time i suck up your space with my temp testing....really But had to show one last experiment.

    IHS temp is 95C at DTS=0 on multiple E8400's, measured by multiple people.

    Experiment: I took another IHS (from old cpu), put a minimal haze of mx2 on my cpu, and placed a second IHS on my E8400. So now I am going to measure temp through two IHS, and two interfaces, and compare to temp on just IHS...to illustrate gradient through tim and IHS.

    If 105 tjmax is correct for E8400, a 10C gradient must exists from die to IHS at idle, undervolted state. If an additional layer of tim and another IHS is added that gradient must increase significantly by up to another 10C.

    If 95 tjmax is correct for E8400, less than 1C gradient exists from die to IHS at idle, undervolted state. If an additional layer of tim and another IHS is added then additional gradient would be minimal, 1-2C.

    pic 1 is realtemp on my IHS, (without second IHS added yet) IR temp reads 71.8C, realtemp 72C. (coretemp with tjmax 105 reads 82C not pictured)

    pic 2 second IHS

    pic 3 second IHS on cpu

    pic 4 is IR reading 65.8C through a second tim and IHS, and realtemp is reading 66, 67 on cores, which proves the gradient through IHS and tim at idle, underclocked, undervolted is max 1-2C . (taped down IR on button and IR gun down...pics easier with hand out of way)

    Realtemp 95 tjmax is clearly correct. No way, no how is tjmax 105 because no way no how does a 10C gradient exist through tim and IHS, in fact it is clearly less than 1-2C.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by rge; 06-23-2008 at 06:12 PM.

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