Bought a New iMac. Things I want to do.

Discussion in 'iMac' started by Cheddardip, Jan 19, 2013.

  1. Cheddardip macrumors newbie

    Jan 19, 2013
    I just bought a new 21.5 IMac (old version). I want to buy a 3tb external hard drive back up all of the info from my PC and use it on the Mac. I also want to Dual boot Windows and use the hard drive to share information. Is there a tutorial? What type of hard drive should i get? I don't think the Imac has a USB 3.0.
    Thanks for any help.
  2. simsaladimbamba

    Nov 28, 2010
    The 2012 iMac (the one with the slim edge and with the bulge) has USB 3.0.

    You can get any HDD, partition and format it accordingly via Disk Utility.


    Overview of the four major file systems (called "Formats" in Mac OS X) used on Windows and Mac OS X, compiled by GGJstudios. You can use Disk Utility to format any HDD to your liking.

    Any external hard drive will work with PCs or Macs, as long as the connectors are there (Firewire, USB, etc.) It doesn't matter how the drive is formatted out of the box, since you can re-format any way you like. Formatting can be done with the Mac OS X Disk Utility, found in the /Applications/Utilities folder. Here are your formatting options:

    HFS+ (Hierarchical File System, a.k.a. Mac OS Extended (Journaled) Don't use case-sensitive)

    NTFS (Windows NT File System)
    • Read/Write NTFS from native Windows.
    • Read only NTFS from native Mac OS X
      [*]To Read/Write/Format NTFS from Mac OS X, here are some alternatives:
      • For Mac OS X 10.4 or later (32 or 64-bit), install Paragon (approx $20) (Best Choice for Lion)
      • For 32-bit Mac OS X, install NTFS-3G for Mac OS X (free) (does not work in 64-bit mode)
      • For 64-bit Snow Leopard, read this: MacFUSE for 64-bit Snow Leopard
      • Some have reported problems using Tuxera (approx $36).
      • Native NTFS support can be enabled in Snow Leopard and Lion, but is not advisable, due to instability.
    • AirPort Extreme (802.11n) and Time Capsule do not support NTFS
    • Maximum file size: 16 TB
    • Maximum volume size: 256TB
    • You can use this format if you routinely share a drive with multiple Windows systems.

    exFAT (FAT64)
    • Supported in Mac OS X only in 10.6.5 or later.
    • Not all Windows versions support exFAT. See disadvantages.
    • exFAT (Extended File Allocation Table)
    • AirPort Extreme (802.11n) and Time Capsule do not support exFAT
    • Maximum file size: 16 EiB
    • Maximum volume size: 64 ZiB
    • You can use this format if it is supported by all computers with which you intend to share the drive. See "disadvantages" for details.

    FAT32 (File Allocation Table)
    • Read/Write FAT32 from both native Windows and native Mac OS X.
      [*]Maximum file size: 4GB.
    • Maximum volume size: 2TB
    • You can use this format if you share the drive between Mac OS X and Windows computers and have no files larger than 4GB.

    As for backing up, Time Machine is the simplest solution, but CarbonCopyCloner and SuperDuper! offer a bootable backup.

    As for running Windows: Booting Windows on the Mac
  3. Cheddardip thread starter macrumors newbie

    Jan 19, 2013
    I canceled my order for the Refurbished IMac and just bought a new one instead. After doing some research the savings wasn't worth it.

    I didn't even know about the exfat format. I'm going to reformat the external drive to exfat and be done, nothing extra to buy.

    Thank you for the quick reply.

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