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Anyone else having issues with Dell Precision M4800 and SpeedStep?

Discussion in 'Dell Latitude, Vostro, and Precision' started by BWB8771, Sep 25, 2014.

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  1. BWB8771

    BWB8771 Newbie

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    I think I've ID'd a bug pertaining to the A08 BIOS and Dell Power Manager app/software, but I'm reluctant to backrev the BIOS to A07 because of the fixes described in the release notes of A08

    The only way I can get my new M4800 to be speedy is to disable SpeedStep in BIOS.

    Has anyone else experienced something similar?
     
    BWB8771, Sep 25, 2014
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  2. M.J.S.

    M.J.S. Notebook Consultant

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    There is now BIOS A09…

    But you’re not being very specific on what exactly is happening…

    I might just guess that somehow your active power profile has less than 100% set for ‘Maximum processor state’. And there are a few other settings which could affect how ‘speedy’ the CPU is willing to get.
     
    M.J.S., Sep 30, 2014
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  3. BWB8771

    BWB8771 Newbie

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    @MJS - I experimented with every possible power scheme but could never get the processor states to change (as observed via the Processor objects in a MMC monitor I created). I simply disabled the SpeedStep option in BIOS until I discovered the updated BIOS.

    I'm happy to relate that Dell issued a newer-timestamped version of A09 which I've applied and is now successfully allowing the power schemes to manipulate processor states.
     
    BWB8771, Sep 30, 2014
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    M.J.S. likes this.
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