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    HD Tune = How does it really know my temp?

    Discussion in 'Windows OS and Software' started by RedSensiStar, Sep 27, 2006.

  1. RedSensiStar

    RedSensiStar Notebook Deity

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    How does HD Tune( http://www.hdtune.com/) know my real temp? I guess I'm asking how software, exactly, knows the HD temp.

    After running (all at the same time): Spybot, HD Tune, iTunes, AIM, and Firefox it claims my temp is 42C/107F. Normal?

    The critical temp is 131F it says in the options.

    ~Jade
     
    RedSensiStar, Sep 27, 2006
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  2. lumberbunny

    lumberbunny Notebook Evangelist

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    Temperature reporting is one of the S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) features that almost all hard drives now include. The reading comes from a thermometer that is built in to the hard drive. ~40C is a fairly standard temperature for a notebook drive.
     
    lumberbunny, Sep 27, 2006
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  3. Pitabred

    Pitabred Linux geek con rat flail!

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    Exactly. Technical details: there are substances that change resistance with temperature. There are resistors built into special places in the machine that are made of these materials and the computer can measure this resistance and calculate a temperature from that. When the software asks the hardware the right question (as HDtune does), then it can get the temperature out of that information.
     
    Pitabred, Sep 27, 2006
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