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  1. #1

    Member Since
    Jan 10, 2010
    Reformatting An External Hard Drive
    ok..noob alert

    i have the old hard dive out of my's been wiped. to reformat, i went to disk utilities > 7 pass > fat 32

    right or wrong?

    if wrong, please show a brother some help!

  2. #2

    Kevriano's Avatar
    Member Since
    Jul 02, 2006
    Crawley, England
    20" Intel iMac 2.4 Ghz/3G Ram/320HD, Snow Leopard. PBook G4, 1.5Ghz/1.5 Ram/250 HD, Leopard 10.5.6.
    How are you connecting it to the Mac, and what purpose do you intend to use it for?
    Try my custom Mac Forums Search Engine: Mac Forums Google Search

    Please use the reputation system if you consider any help given useful (it's the little ✓/✘ on the left <---)

  3. #3

    Member Since
    Jan 10, 2010
    through a 3.5 external hard drive case....firewire 400 w/800 adapter, just to move pics, etc over to it in case of hard drive failure...just storage

    edit - it keeps asking do i want to back it up w/time machine -y or n?

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    The FAT-32 file system is limited to a maximum file size of around 4 GB. That means if you have large (greater than 4 GB) video files (movies, etc) to store on the drive, you will be unable to do so.

    A better file format for the drive if it is to only be used with your Mac, is HFS Extended Journaled. In order to use any external drive for Time Machine backups, it must be formatted using HFS Extended Journaled.


  5. #5

    Member Since
    Jan 10, 2010

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