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Thread: OSS ATI still causes my fans to spin fast!

  1. #31

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    What is a safe temp for the gpu to run at while idle? I have a Dell 1558 with an ATI 5470 HD Mobility chip. On mid the temp is about 54 degrees celsius? Is this ok, I do not want to damage the card or laptop by running this kernel driver...

  2. #32
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    Feb 2008
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    Linuxland
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    ^ this BTW. Bridgman, the maximum temps are listed online for every cpu, but only for Nvidia gpus. Would be useful to know what a particular card can stand.

  3. #33
    Join Date
    Feb 2009
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    My HD 5650 Mobility also runs around 52-55°C at the mid power profile, on 2.6.38 and 2.6.39 kernels, and I remember that it used to rarely go above 46°C when idling 9 months ago.

    Any idea what that increase may be due to?

    If that matters, my laptop is from Toshiba, which is one of the brands for which DPMS isn't supported (the screen starts flashing heavily when entering DPMS) (there was a bug opened for that but sorry I can't find it anymore).
    Last edited by Azultra; 08-04-2011 at 09:17 AM.

  4. #34
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    Oct 2007
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    Quote Originally Posted by Azultra View Post
    My HD 5650 Mobility also runs around 52-55°C at the mid power profile, on 2.6.38 and 2.6.39 kernels, and I remember that it used to rarely go above 46°C when idling 9 months ago.

    Any idea what that increase may be due to?

    If that matters, my laptop is from Toshiba, which is one of the brands for which DPMS isn't supported (the screen starts flashing heavily when entering DPMS) (there was a bug opened for that but sorry I can't find it anymore).
    First thought is dust buildup inside. The power profiles influence power levels directly, but temp is a consequence of both power dissipation and cooling system effectiveness. The other possibility is that your temp sensor is showing temp off a common CPU/GPU cooling system and CPU power has gone up.

    Not saying there wasn't a change in driver power management, just that it's probably not the most likely explanation.

  5. #35
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    Nov 2008
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    Germany
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    i fix my fan spinning problem like this: i give away my hd5670 and get my old passiv cooled hd4670 back!

  6. #36
    Join Date
    Oct 2011
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    1

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    I find it rather fun will kick into high-power Linux loud hell mode, even a little bit of the GPU load my card, but I can play Fallout: New Vegas, set in 1920 × 1080 high, GPU and CPU have to stay so underutilized, not a fan kick sound level.

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