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    Turion Processor Throttle

    Discussion in 'HP' started by tsupersonic, Mar 17, 2008.

  1. tsupersonic

    tsupersonic Newbie

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    I have a Compaq V5303nr. One day I was running the laptop on batteries, and after about an hour of use, Vista reported 0% battery, yet the laptop kept running. All in all, it ran for ~ 2 hours and 30 minutes. This laptop has an AMD Turion ML-32 (1.8 GHz) single core processor. After the laptop hit 0% battery, Vista ran extremely slow. I used a program called RightMark CPU Clock Utility, and noticed the processor was throttled to 76 MHz. :eek:

    This laptop is a dual boot XP/Vista. I tried running down the battery in XP, and it also reported 0% battery after some time. XP however, throttled the processor to 159 MHz. I was pretty surprised at how usable XP was at that speed. :cool:

    Why is my processor being throttled way below it's supposed to be? Usually the lowest it goes is 798 MHz (and also goes to 1.6GHz and 1.8GHz). Now, I'm not asking why it's throttling to different speeds, but why it's going to 76MHz on battery (for Vista) or 159 MHz (for XP).

    Also, is it possible to calibrate my battery so that the OS reads how much % left is correct?

    Thanks in advance. :)

    Screenshots:
    Vista: [​IMG]
    XP: [​IMG]
     
    tsupersonic, Mar 17, 2008
    #1