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  1. #1

    Member Since
    Sep 10, 2011
    resurrecting old G5 need to ugrad OS 10.3
    Hello all you who know more than me.
    I dug out an old imac G5 desktop running 10.3.9, which won't run modern brouwsers. How do I upgrade to more current OS and what is the most current OS I can upgrade to?

    1.8 GHz
    1G RAM
    Power PC G5 (3.0) CPU
    600 MHz Buss
    Boot Rom Version: 5.2.2f4

    Thank you so much,

  2. #2

    MacDude121's Avatar
    Member Since
    Sep 22, 2010
    Black MacBook 2.2GHz C2D, 4GB Ram - iMac G4 700MHz, 512MB Ram
    You can upgrade to OS X 10.5 Leopard. Will cost you about $100 on Ebay.

  3. #3

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Modesto, Ca.
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Like MacDude said, 10.5.8. Ebay is probably your best bet.

    Also with Leopard 10.5 I would put in another Gig of RAM for 2GB. 1GB will work but it will be a lot smoother with 2.

  4. #4

    toMACsh's Avatar
    Member Since
    Jul 30, 2009
    Mac Mini Core 2 Duo
    But be sure you are buying a "retail" copy of Leopard. It is a black disc with a big X on it. Don't buy a grey disc. Those are machine specific and would have to be for your exact model to work.

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