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Do Dell have accelerometers?

Discussion in 'Dell' started by Rekxxor, May 5, 2008.

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  1. Rekxxor

    Rekxxor Notebook Guru

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    i own a M1530 but i dont know if the laptop has a built in acceleromete like the thinkpads and the macbooks. does dell offer this in their line of laptops?
     
  2. Notebooka

    Notebooka Notebook Enthusiast

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    Accelerometer wha??? Why do you want to measure the amount of gravity acceleration in your laptop for? Did you mean Readyboost or Turbo?
     
  3. X2P

    X2P I♥COOLING | NBR Super Mod

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    what he said 0.0 weird
     
  4. VinylPusher

    VinylPusher Notebook Consultant

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    Notebooka: No, he didn't mean Readyboost or Turbo.

    Accelerometers tend to be built into a number of laptop models for purposes of data security. A small driver constantly monitors several accelerometers (usually at least three, one for each axis) and will park the hard drive heads if it detects freefall, or a sharp knock.

    Hard drives are now coming supplied with their own, for simplicity's sake (plus a faster response to dangerous impacts).

    Rekxxor: In answer to your query, yes and no. Some (if not all) Dell notebooks can be configured with a harddrive featuring a freefall sensor. The notebook itself does not feature an accelerometer.
     
  5. Notebooka

    Notebooka Notebook Enthusiast

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  6. Heliosvector

    Heliosvector Notebook Deity

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    it is about that
     
  7. unknowntt

    unknowntt Notebook Evangelist

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    acceleration isn't just gravity.....acceleration is by what rate are you speeding up, so acceleration by gravity is one (actually 9.8 m/s^2), but cars, for example, can also accelerate. Yes accelerometers can be used to measure gravitational acceleration.
     
  8. EpsilonVaz

    EpsilonVaz Notebook Geek

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    Most Dell laptops now come with HDD's that have "Free Fall Sensors".
     
  9. mia4l

    mia4l Notebook Evangelist

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    Free fall sensors- what is this for?
     
  10. EpsilonVaz

    EpsilonVaz Notebook Geek

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    They detect if the laptop is falling or thrown or generally going through unusual movement. When this occurs the heads in the HDD move away from the plates to stop damage occuring to the HDD.
     
  11. booji

    booji Notebook Deity

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    Are these not unique only to the 7200 RPM drives?
     
  12. Rhodan

    Rhodan NBR Expert of Nothing

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