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  1. #1

    Member Since
    Jun 14, 2009
    Question Sudden Motion Sensor\hard drive
    Could anyone please answer this query:

    I going to buy the new MacPro 13" and immediately change the hard drive.

    I found this on the net:

    160GB serial ATA hard drive running at 5400 rpm, with Sudden Motion Sensor;

    Does anyone know if the 'sudden motion sensor' is built in the Mac or in the hard drive itself.

    So, would it be best to buy a hard drive with or without the 'free fall sensor'.

    Thanks for your help,


  2. #2

    jamessmells's Avatar
    Member Since
    May 18, 2009
    15" MacBook Pro, 2.53GHz, 4GB, Snow Leopard + iPhone 3G
    The accelerometer is built into the MacBook, but i cant imagine two doing any harm

  3. #3

    Member Since
    Jun 14, 2009
    Hi jamessmells,

    thanks for your input

  4. #4

    Member Since
    Mar 24, 2008
    There's a note here that explains potential issues: Sudden Motion Sensor - Wikipedia, the free encyclopedia

    That said, I put a 500GB Seagate drive (with force sensing) in my new unibody 17" and gave it a decent test involving some moving around and flipping it over while running and there were no issues. I have read that some Macbooks coming off the assembly line now have these types of drives in them anyway.

    If you do have a problem, that site has a workaround.

  5. #5

    Aphus's Avatar
    Member Since
    Jun 15, 2009
    Milwaukee, WI
    2.8GHz, 4GB RAM 15" MBP (Late 2008)
    Is that what that "click" sound is when I pick up and move my MacBook Pro occasionally?

    15" MacBook Pro + 16GB iPhone 4 + 16GB iPad 2 3G

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