Installing 2 Different version of OS X on the same Mac - Help

Discussion in 'macOS' started by Sequence, Aug 11, 2006.

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  1. Sequence, Aug 11, 2006

    Sequence macrumors member

    Joined:
    Jun 11, 2006
    #1
    Hey guys, I'm about to install a second installation of a different version of OS X... I currently have 10.4.7 on my Macbook. What is the best way to install it without touching the 10.4.7 installation? Could I install it on a USB2 External HD or create a second partition on my Macbook HD?
    Thanks.
     
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  2. Coolnat2004, Aug 11, 2006

    Coolnat2004 macrumors 6502

    Coolnat2004

    Joined:
    Jan 12, 2005
    #2
    You can't install a different version of OS X on an Intel-based Mac, because all of the previous versions were PPC-only and simply cannot run on Intel.

    ..Unless you're a developer and are installing a Leopard preview... then I can't answer your question. :rolleyes:
     
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  3. projectle, Aug 11, 2006

    projectle macrumors 6502

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    #3
    Correct, you can only install one that is completely Universal Binary compatable, meaning OS X 10.4 that shipped with your system, OS X 10.4 Server that has begun shipping in the past couple days, or OS X 10.5 Leopard and it's Server.
     
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  4. balamw, Aug 11, 2006

    balamw Moderator

    balamw

    Staff Member

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    Aug 16, 2005
    Location:
    New England
    #4
    Could it be that he wanted to run 10.4.6 and 10.4.7 as different versions?

    In which case the most robust way to do things is to install to a bootable external drive (FW is still preferred over USB2).

    B
     
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  5. ahuman7341, Aug 12, 2006

    ahuman7341 macrumors regular

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    Fairbanks, AK
    #5
    Download boot camp and use the partitioner to partition your drive then just don't install windows. Go to disk utility format the drive to HFS+ and install your other version of the OS. Using the boot camp partitioner will let you partition the drive without reformatting the whole thing.
     
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