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Erratic CPU Temp Reading

  • 04-11-2005 12:03pm
    #1
    youcancallmeal
    Registered Users, Registered Users 2 Posts: 8,066 ✭✭✭


    I've been getting getting different temp readings ever since i got my amd3500 a few months back.
    Started out with a Zalman reserator and i got 50° C idle and 60° C load
    Then I moved back to stock heatsink for a while and was getting 20° C idle and 30° C load
    I just installed a Zalman cnps 9500 last night and I'm getting 40° C idle and 50° C load.

    I always apply genrous amounts of thermal paste and securely attach everything. My m/b abit av8 has been known for erratic temp readings but this was supposed to have been resolved with a recent bios update which I installed right before putting in the stock amd hsf.
    So what is everyone else getting temp wise on their systems?
    I have never overclocked btw and my specs are below


Comments

  • #2
    dalk
    Registered Users, Registered Users 2 Posts: 566 ✭✭✭dalk


    Your temp readings look about right to me...
    Started out with a Zalman reserator and i got 50° C idle and 60° C load

    No noise but higher running temperature is what i would be expecting to see...
    Then I moved back to stock heatsink for a while and was getting 20° C idle and 30° C load

    Will give you good performance but is gonna be noisey...
    I just installed a Zalman cnps 9500 last night and I'm getting 40° C idle and 50° C load.

    Back to a lower noise heatsink combo and not surprisingly its not as efficient...

    Not all heat dissipation solutions are the same, some are better, some are worse... If you want lower temperatures you will need more copper and bigger fans. If you want a pc that dosent sound like a hover, you will need slower running fans, but your temps will be higher...

    You can have a perfectly stable system that runs quite hot. It just might not have as long a life as a cool running system...
    I always apply genrous amounts of thermal paste

    Should be a thin film. The thermal grease is there to ensure good heat transfer to the heatsinks (slightly imperfect base). Too much paste can have the opposite effect (i know from experience.... BANG).


  • #3
    stevenmu
    Moderators, Society & Culture Moderators Posts: 9,689 Mod ✭✭✭✭stevenmu


    youcancallme>al wrote:
    ...I always apply genrous amounts of thermal paste...
    Are you maybe applying too much, it really needs to be as little as possible, just barely enough to cover the surface of the heat spreader with as thin a layer as possible.


  • #4
    youcancallmeal
    Registered Users, Registered Users 2 Posts: 8,066 ✭✭✭youcancallmeal


    well when i say generous i mean enough but not too much. I have made the mistake before of putting loads on an it got all over the pins on the processor :eek:

    I've been reading up on the abit website and apparently the av8 is the most notorious board for temp sensor problems ever.
    Check out this http://forum.abit-usa.com/showthread.php?t=58868


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