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  1. #1
    iMac Temperature Sensors?

    Member Since
    Aug 16, 2006
    Posts
    245
    iMac Temperature Sensors?
    My Intel iMac (2.0GHZ dual core) doesn't appear to have temperature sensors... is this correct? I've searched around the board and no doubt it's mentioned but I can't find anything useful on it.

    I've only noticed because of one of my widgets that can monitor CPU performance and temperature says there's no sensors? Seems strange... how does it control the fans without temp monitoring?

  2. #2
    iMac Temperature Sensors?
    Say_Cheese's Avatar
    Member Since
    Feb 17, 2006
    Location
    High Wycombe, Just outside London, England
    Posts
    385
    Specs:
    20" iMac 2.0Ghz, 2Gb RAM Early 2006, 30Gb iPod 5th Gen. 15" MacBookPro, 2.33GHz
    I don't think that the iMac does have any temperature sensors. I believe that they only put them in the laptop range.

  3. #3
    iMac Temperature Sensors?
    olias's Avatar
    Member Since
    Oct 01, 2006
    Posts
    27
    Yes it does...I use this ---> http://macbricol.free.fr/coreduotemp/
    A wise man realizes that he too is a fool and then humbles himself to learn that which is greater than he.

  4. #4
    iMac Temperature Sensors?

    Member Since
    Aug 16, 2006
    Posts
    245
    Thanks for that Olias, exactly what I was looking for 31C ... or thereabouts. nice one. Cheers!

  5. #5
    iMac Temperature Sensors?
    Say_Cheese's Avatar
    Member Since
    Feb 17, 2006
    Location
    High Wycombe, Just outside London, England
    Posts
    385
    Specs:
    20" iMac 2.0Ghz, 2Gb RAM Early 2006, 30Gb iPod 5th Gen. 15" MacBookPro, 2.33GHz
    Cool, I have just installed that. It looks good.

  6. #6
    iMac Temperature Sensors?

    Member Since
    Aug 16, 2006
    Posts
    245
    Nice thing is that includes the kernel extension for reading the temperatures, so now my existing monitoring widget (iStat) can pick up the same temp. readings for itself

  7. #7
    iMac Temperature Sensors?
    RiDE's Avatar
    Member Since
    Sep 13, 2006
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    Deep in the heart of Texas!
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    3,566
    Specs:
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    Quote Originally Posted by Jem
    Nice thing is that includes the kernel extension for reading the temperatures, so now my existing monitoring widget (iStat) can pick up the same temp. readings for itself
    Hey Jem... Can you post the extensions, and how to get the iStat to read it???

    Thanks!

  8. #8
    iMac Temperature Sensors?

    Member Since
    Aug 16, 2006
    Posts
    245
    I just went to Olias's link and downloaded CoreDuoTemp v1.0 and the CoreDuoTemp Widget. I installed them both and checked the widget was working, then popped to the settings for iStat and noticed that I could now enable the temperature monitoring.

    I'm pretty sure CoreDuoTemp v1.0 is all you need as it installs SpeedIt, and SpeedIt is the kernel extension (I believe... can't see the details on the site but I think I read this elsewhere).

  9. #9
    iMac Temperature Sensors?
    RiDE's Avatar
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    Sep 13, 2006
    Location
    Deep in the heart of Texas!
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    Specs:
    Mac's
    Thank you.

  10. #10
    iMac Temperature Sensors?

    Member Since
    Oct 29, 2006
    Posts
    22
    I installed the Coreduotemp and have a few questions. It seems to read the temp OK but why does it indicate a 1.0 GHz clock speed when I'm running a 2.0 GHz Core 2 Duo? Also, what is an acceptable temp range it should read before I should wory about a high temp? Thanks...

  11. #11
    iMac Temperature Sensors?
    christm's Avatar
    Member Since
    Dec 18, 2005
    Location
    Devon, England
    Posts
    2,288
    Specs:
    ibook g4, imac 2ghz c2d, mbp 2.4ghz c2d - 10.5.1
    Quote Originally Posted by vettnutt View Post
    I installed the Coreduotemp and have a few questions. It seems to read the temp OK but why does it indicate a 1.0 GHz clock speed when I'm running a 2.0 GHz Core 2 Duo? Also, what is an acceptable temp range it should read before I should wory about a high temp? Thanks...
    im not sure about this its just a guess but

    does it only enable both cores when it needs the power? like photoshop or final cut pro etc.

    just a GUESS

    cheers

  12. #12
    iMac Temperature Sensors?
    slinki's Avatar
    Member Since
    Oct 14, 2007
    Location
    Northern Ireland
    Posts
    144
    Specs:
    24" iMac, 2.8GHz Core 2 Extreme, 500+500GB HD, 4GB RAM, OSX 10.5.1
    Unfortunately this didn't work for me. Gave me an error.

  13. #13
    iMac Temperature Sensors?

    Member Since
    Dec 28, 2007
    Posts
    5
    Try iStat Pro. it's a free widget that tells you all about ur system.

    LINK

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