Formatting USB drive - FAT32 allocation unit size

Discussion in 'macOS' started by deep diver, Apr 29, 2012.

  1. deep diver macrumors 65816

    deep diver

    Joined:
    Jan 17, 2008
    Location:
    Solon, OH
    #1
    I have a 64GB Corsair Flash Voyager GT thumb drive (USB 3.0, compatible with USB 2.0). I need to format it in FAT32 as a single partition. The allocation unit size must be 4Kb. I know how to format to FAT32 but Leopard (OSX 10.5.8) does not have an option for choosing the allocation unit size. Is there a utility that will allow me to do this?
     
  2. Quad5Ny macrumors 6502a

    Quad5Ny

    Joined:
    Sep 13, 2009
    Location:
    New York, USA
    #2
    I'd have to check later (I'm about to go to bed) but from what I remember, you can't do 4k clusters with FAT32 once your over 8GB.
     

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