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Thread: High temps on Xeon w3520




  1. #11
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    Default Re: High temps on Xeon w3520

    Core i7 DTS sensors are said to have far fewer problems with accuracy and stuck readings compared to those on Core 2 chips, however I don't know that that means they're 100% trustworthy. If there are any instructions online for sensor calibration spacific to i7's it may be worth trying. I have seen that in general, i7's do both idle hotter and load hotter than Core 2, and 45c idle with a decent over clock isn't too bad, especially if load is an OK 80c.

    Note that unless Intel changed how C1E and EIST works, those functions will not touch Vcore at all unless you set either [Auto] or [Normal] for Vcore in the BIOS.
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  2. #12
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    Default Re: High temps on Xeon w3520

    Quote Originally Posted by Psycho101 View Post
    Core i7 DTS sensors are said to have far fewer problems with accuracy and stuck readings compared to those on Core 2 chips, however I don't know that that means they're 100% trustworthy. If there are any instructions online for sensor calibration spacific to i7's it may be worth trying. I have seen that in general, i7's do both idle hotter and load hotter than Core 2, and 45c idle with a decent over clock isn't too bad, especially if load is an OK 80c.

    Note that unless Intel changed how C1E and EIST works, those functions will not touch Vcore at all unless you set either [Auto] or [Normal] for Vcore in the BIOS.
    yh i forgot to say my cpu vcore is on normal so it throttles mine,i think some dual core chips suffered from sticking dts sensors
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  3. #13
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    Default Re: High temps on Xeon w3520

    All I can say is maybe your cooler is not the best? I use water so my temps would not be a fair comparison.

    They do look a little warm though for the voltage applied, but again maybe that cooler is not the greatest or your chip could just be one that runs warmer than most.

    What is your ambient temps? Since you are trying to compare 920 to W3520, did you use the same BIOS for each comparison temp?

    Just so you know, using a W3520 I idle around 36-38 and full load under LinX is 69-74 for me, using 1.328 at 4.2Ghz, but again this is under water though. This is the only i7 Xeon I have used, and it is not mine and I do not know how hard it has been pushed other than what I have done to it :) so it may not be general temps I would see but should give you a good idea

    Here is my temps right now >>>



    Either way, your temps do not sound bad to me and Xeon's can handle higher temp anyway as they are designed to run 24/7 in servers. Just be sure you are not using too much paste and your case has good air-flow and you will be fine

  4. #14
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    Default Re: High temps on Xeon w3520

    My usual ambient temps should be around 25/30 but even at night(10) the results stay fairly consistent..
    80C at full load while I haven't even overclocked the chip is just too high.
    Talked with the seller they said to send it back so they can test for defect and RMA it.
    Just not much willing to spend some weeks without the computer.. it's my main workplace.

    Meh.. I've ordered some more fans, I'll improve airflow rereseat the cooler and see what happens.

    Thx for the input

  5. #15
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    Default Re: High temps on Xeon w3520

    Good luck with everything, post back anytime.

    Ya 80c with no overclock is way hot, even with a stock fan, unless we are talking Linpack testing that could get to 80c maybe at stock?

  6. #16
    Chike is offline Senior Member
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    Default Re: High temps on Xeon w3520

    If temps don't drop proportinally to ambiant maybe you need to review case ventilation.
    An open case with room fan blowing over it may give a good indication if there's a proem there.

  7. #17
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    Default Re: High temps on Xeon w3520

    Running the LINPACK test gets me at 85C.
    Running linpack with open case and room fan blowing at it I get 80C

    With the case closed, after the cpu drops the 100% usage it takes 7seconds to get from 80 to 60C then it slowly drops to the original 50/52C taking a minute or so.

    My hdd starts at 38 goes up to 40 at most, but usually stays within the 38~40 range

    Cpu temps with linpack, and case close:
    Last edited by Templar_X; 09-11-2009 at 01:54 AM. Reason: Added image

  8. #18
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    Default Re: High temps on Xeon w3520

    Is it the Scythe maybe? Can you repeat the tests with the Intel Stock fan to see how it does?

  9. #19
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    Default Re: High temps on Xeon w3520

    I'm using intel's stock cooler, the user speedy2721 was using a scythe :)

  10. #20
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    Default Re: High temps on Xeon w3520

    Ahh, well that may be normal then for that tests with Stock fan.

    Not many people use Stock coolers so I really couldn't say, could be normal for those tests with that cooler as that is a pretty powerful test. I can say you should save up and get a better cooler so you can push your CPU much further than stock

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