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  1. #1
    will Leopard run on my iMac G4?

    Member Since
    Oct 30, 2008
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    will Leopard run on my iMac G4?
    I have bought a new iPhone 4. I have an iMac 20inch (pre intel)

    My mac is the one with the Screen on the end of a chrome arm. I think its a G4 but not sure

    Can I buy and install Leopard (10.5) for my mac so I can use the iphone?

    I really don't want to have to buy a new MAC just so I can use my phone!

    Thnx

  2. #2
    will Leopard run on my iMac G4?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
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    28,480
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    what is the CPU speed of the G4? Click on the Apple and on About this Mac.

  3. #3
    will Leopard run on my iMac G4?

    Member Since
    Oct 30, 2008
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    it runs at 1.25 ghz Its a PowerPC G4

  4. #4
    will Leopard run on my iMac G4?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
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    28,480
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    You can run Leopard on a 867Mhz G4 or higher. The 1.25Ghz will run leopard decently. Might be a bit sluggish in some things but overall it will work fine.

  5. #5
    will Leopard run on my iMac G4?

    Member Since
    Oct 30, 2008
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    Thanks for that.

    The iphone 4.0 requirements are 10.5.8

    Will I be able to update that far, on my mac once I have installed Leopard 10.5 ?

    Thnx

  6. #6
    will Leopard run on my iMac G4?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
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    Modesto, Ca.
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    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Yes for sure.

  7. #7
    will Leopard run on my iMac G4?

    Member Since
    Oct 30, 2008
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    I have just found this on you tube.

    YouTube - iMac G4 700MHz RUNNING LEOPARD Mac OS X 10.5.8

    It seems I can update to 10.5.8

  8. #8
    will Leopard run on my iMac G4?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
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    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Quote Originally Posted by andy308 View Post
    I have just found this on you tube.

    YouTube - iMac G4 700MHz RUNNING LEOPARD Mac OS X 10.5.8

    It seems I can update to 10.5.8
    To install OSX on that 700 Mhz G4, it will refuse to install unless you use Leopard Assist to fool the installer. Like I told you in the other posts, an 867Mhz G4 and up will work with Leopard. Your 1.25Ghz is well above the minimum requirements.

    It will work fine.

  9. #9
    will Leopard run on my iMac G4?

    Member Since
    Oct 30, 2008
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    11
    Thanks for your help. Now I just need to find a copy of Leopard!

  10. #10
    will Leopard run on my iMac G4?
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
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    20,056
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    And make sure you purchase the black coloured full retail install version only. The silver grey install discs are extremely model specific. They abound on auction sites under a myriad of names including drop in, update, upgrade, full install etc etc.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  11. #11
    will Leopard run on my iMac G4?
    MacDude121's Avatar
    Member Since
    Sep 22, 2010
    Posts
    1,426
    Specs:
    Black MacBook 2.2GHz C2D, 4GB Ram - iMac G4 700MHz, 512MB Ram
    I'd recommend having a Gig or more of ram if you're planning to run Leopard. Definitely would help with the performance.

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