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Thread: Format SD card on a Mac

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    Format SD card on a Mac

    Hi,
    I just purchased a Patriot 2 GB SD card, but when I go into Disk Utility on my Mac, it doesn't give me an option for FAT 32. Can anyone tell me how to format on a Mac (or point me to the right thread). I did not find a related thread so far. When I click on "info" in Disk Utility, it shows it as Fat16
    Last edited by FrankieD; 02-07-2012 at 03:45 PM.

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    Junior Member dniMretsaM's Avatar
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    Read the FAT32 guide. Link in my sig.
    Quote Originally Posted by sven
    [16:26:34] i'm never sarcastic.
    [16:26:41] feel free to quote me on that.

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    I looked there prior to posting my thread. It only talks about formatting a hard drive, I'm trying to format my SD card. Everywhere I've read (outside of this site) says that 2GB SD cards can only be formatted as FAT16 & higher GB cards can be in FAT32 using a MAC. I can't find anywhere on this site that shows how to format a 2GB SD card (which is what is specifically recommended) to FAT32 on a MAC.

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    Junior Member dniMretsaM's Avatar
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    Quote Originally Posted by FrankieD View Post
    I looked there prior to posting my thread. It only talks about formatting a hard drive, I'm trying to format my SD card. Everywhere I've read (outside of this site) says that 2GB SD cards can only be formatted as FAT16 & higher GB cards can be in FAT32 using a MAC. I can't find anywhere on this site that shows how to format a 2GB SD card (which is what is specifically recommended) to FAT32 on a MAC.
    Anything in that guide will work on an SD card just fine. Whoever told you that 2GB SD cards can only be formatted to FAT16 was wrong.
    Quote Originally Posted by sven
    [16:26:34] i'm never sarcastic.
    [16:26:41] feel free to quote me on that.

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    This is a little late, but I'm sure others have run into this issue, and this would probably be helpful for future mac users.

    Quote Originally Posted by dniMretsaM View Post
    Anything in that guide will work on an SD card just fine. Whoever told you that 2GB SD cards can only be formatted to FAT16 was wrong.
    I ran into the same problem. Disk Utility only allows FAT16 on disks smaller than 2GB. Everything over 2GB will format to FAT32. I don't know why disk utility doesn't allow FAT32. Here's a link to what I did.

    https://discussions.apple.com/thread...art=0&tstart=0

    The starred post by kjk555 is what I followed and got FAT32 on my 2GB SD. This method uses Terminal, so if you are uneasy about coding, I would stay away, you can really mess things up. But as long as you read and approach with caution you should be good.

    Betsy7:~ kj$ fat32 /dev/disk4 fatty 100%
    Started partitioning on disk4
    Unmounting disk
    Creating partition map
    Waiting for disks to reappear
    Formatting disk4s1 as MS-DOS (FAT32) with name fatty
    Finished partitioning on disk4
    /dev/disk4
    #: TYPE NAME SIZE IDENTIFIER
    0: FDiskpartitionscheme *314.6 MB disk4
    1: DOSFAT32 FATTY 314.5 MB disk4s1

    There was a little hiccup I ran into looking at his example terminal command. The parts I bolded are user specific so take note. So "Betsy7:~ kj" in the first line is the username on computer. You don't have to enter this in terminal, it will just show up after you "install".

    "disk4" is the disk identifier, mine was disk2 on a Macbook Pro SD slot. To find out which identifier your SD card is, go into disk utility, click on your SD card, and click the info button on the top, you will see "disk identifier". This is really important cause if you choose the wrong one, you'll erase the wrong disk.

    Lastly, "fatty" is the disk name, which was unclear to me, you have to replace that with whatever you're SD card name is.

    I hope this helps people. This was really frustrating, but I finally found a solution, I tried a couple others ones, but this was the one that I got to work.

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