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  1. #1

    Member Since
    Sep 21, 2009
    Question How to set duration for the "put the hard disk(s) to sleep when possible" function ?

    I would like to be able to set the duration after which, when unused, a hard drive goes to sleep mode in Mac OS X 10.6. (In windows XP you can set that duration easily from 3 minutes to 5 hours or never).

    I cannot find such option in the "Energy Saver" window in Mac OS. How can I do it ?

    (I am a total newbie on Mac OS).

    Thanks for your help guys

  2. #2

    Sur3Mac's Avatar
    Member Since
    Aug 03, 2009
    The Netherlands
    Late 2011 MBP 13" i5/16GB RAM,Early 2007 MB white 13", 2x TV 3rd Gen, ᣦ
    That's a good point you've got there, it may not be the most userfriendly way but it can be done.

    The time until the hard drive spins down can be controlled by editing the file /Library -> Preferences -> SystemConfiguration ->

    Under the key "Disk Sleep Timer," you can edit the number of minutes until an idle drive goes to sleep. There are separate settings for AC Power and Battery.

    Sadly, the setting cannot be set per drive, so it's one setting for all drives.

    Hope this helped you

  3. #3

    Member Since
    Sep 21, 2009
    I am going to try it


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