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Leopard on iMac G3?

2600 Views 16 Replies Latest reply: Feb 26, 2008 5:55 AM by ali brown RSS
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Apple Rules Level 2 Level 2 (315 points)
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Feb 22, 2008 3:07 PM
Is it possible to install Leopard on an iMac G3? I know Apple dropped support for the G3 processor but is there a way?
Toshiba Satellite A105 S2231, Windows XP, Macs: 1 iMac G3, 3 Performa's, 1 Powerbook's
  • smithrj Level 4 Level 4 (1,540 points)
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    Feb 22, 2008 3:15 PM (in response to Apple Rules)
    Yes, why not? What are the specs? If you have the RAM and a CD/DVD slot I don't see any problem.


    Ray
    MacBook 2GB, 250 drive, Black W/Lacie 160 external, Mac OS X (10.5.2), iMac 4GB Memory, 750 GB Drive, 10.4.11, iPod shuffle
  • smithrj Level 4 Level 4 (1,540 points)
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    Feb 22, 2008 3:25 PM (in response to Apple Rules)
    Leopard would run slow if at all. I've heard of people installing it on the older Macs. I don't think you have the RAM to run Leopard correctly. What do you run, Tiger?, Panther? Jaguar?


    Ray
    MacBook 2GB, 250 drive, Black W/Lacie 160 external, Mac OS X (10.5.2), iMac 4GB Memory, 750 GB Drive, 10.4.11, iPod shuffle
  • smithrj Level 4 Level 4 (1,540 points)
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    Feb 22, 2008 3:43 PM (in response to Apple Rules)
    It probably would, but not very well. Leopard eats up RAM and it would be slow and unresponsive. I would recommend staying with Tiger on the G3, having both Tiger and Leopard has its advantages. I run Tiger on my iMac and Leopard on my MacBook. It gives me the best of both systems.


    Ray
    MacBook 2GB, 250 drive, Black W/Lacie 160 external, Mac OS X (10.5.2), iMac 4GB Memory, 750 GB Drive, 10.4.11, iPod shuffle
  • ali brown Level 7 Level 7 (26,465 points)
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    Feb 23, 2008 7:48 AM (in response to Apple Rules)
    Apple Rules,

    "Is it possible to install Leopard on an iMac G3?"

    The Leopard System Requirements, clearly state;

    "Mac computer with an Intel, PowerPC G5, or PowerPC G4 (867MHz or faster) processor
    512MB of memory
    DVD drive for installation
    9GB of available disk space
    Some features require a compatible Internet service provider; fees may apply.
    Some features require Apple's .Mac service; fees apply."


    Note that Power PC G3 is not listed, and there was never an iMac G3, with 867MHz or faster processor manufactured.

    So I suspect that the answer is no.

    ali b
    iMac 2.4 GHz Intel Core 2 Duo 800 MHz/ 1 GB RAM/ 320 GB HD/ SuperDrive/ AOL 10.3, Mac OS X (10.4.11), MacBook 1.83GHz/667MHz/512 MB RAM/60GB HD/Combo Drive/AOL 10.3.7 + Snow iMac G3
  • ali brown Level 7 Level 7 (26,465 points)
    Currently Being Moderated
    Feb 23, 2008 8:57 AM (in response to Apple Rules)
    Apple Rules,

    Review this Topic Is there a way to install Leopard on iMac G3?.

    Doesn't sound promising.

    ali b
    iMac 2.4 GHz Intel Core 2 Duo 800 MHz/ 1 GB RAM/ 320 GB HD/ SuperDrive/ AOL 10.3, Mac OS X (10.4.11), MacBook 1.83GHz/667MHz/512 MB RAM/60GB HD/Combo Drive/AOL 10.3.7 + Snow iMac G3
  • a brody Level 9 Level 9 (62,060 points)
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    Feb 25, 2008 12:49 PM (in response to Apple Rules)
    Apple Rules, no there is no supported way. If you attempted it you would be faced with the following issues:

    1. Updates may not work.
    2. Kernel panics could happen.
    3. Graphic User Interface elements would run slowly if at all.
    4. Third party software, and drivers, may not work at all.
    5. Insufficient disc space or RAM to do simple multitasking.

    In essence, you are proposing to put a jet engine on a horse drawn chariot. You are proposing to make a jalopi out of a machine.

    Is it really your intention to exceed the capabilities of the machine and make it work haphazardly if at all? We get enough complaints from people whose specs suggest it should work on their machine. Imagine the complaints trying to run it on a machine that isn't supported. If you do it, take full responsibility for whatever failures happen.
    MBP 15" 2.2 Ghz/iMac C2D 2.17/20 inch/iMac G5 1.8/A/iMac G4/Mac OS 9, Mac OS X (10.5.2), AppleTV, Samsung TXP-3064W HDTV, HP SJ 3970, Epson R220, Nokia 6085h
  • ali brown Level 7 Level 7 (26,465 points)
    Currently Being Moderated
    Feb 25, 2008 2:47 PM (in response to Apple Rules)
    Apple Rules,

    "That article didn't say how to install it though."
    Precisely!

    That is why I wrote "Doesn't sound promising."
    I apologize if I misled you.

    Thanks for the !

    ali b
    iMac 2.4 GHz Intel Core 2 Duo 800 MHz/ 1 GB RAM/ 320 GB HD/ SuperDrive/ AOL 10.3, Mac OS X (10.4.11), MacBook 1.83GHz/667MHz/512 MB RAM/60GB HD/Combo Drive/AOL 10.3.7 + Snow iMac G3
  • a brody Level 9 Level 9 (62,060 points)
    Currently Being Moderated
    Feb 25, 2008 6:14 PM (in response to Apple Rules)
    Make no mistake, XPostfacto was not made by Apple. And even though it allowed booting of older operating systems, it still didn't mean those Macs were necessarily usable. You were still pretty much on your own when using such a system, and couldn't except continuous updates.

    It was more of a borrowed time.

    And don't forget Leopard will run on an 867 Mhz G4. Those Macs were made 6 years ago!
    That's a pretty good length of time for a Mac that basically lost its AppleCare in half as much time.
    To expect something that lost its AppleCare in three times as much time sounds a bit excessive.

    There are always used and refurbished Mac operating system discs too.

    So it isn't like you can't get Tiger or earlier, or Macs that run those systems.
    MBP 15" 2.2 Ghz/iMac C2D 2.17/20 inch/iMac G5 1.8/A/iMac G4/Mac OS 9, Mac OS X (10.5.2), AppleTV, Samsung TXP-3064W HDTV, HP SJ 3970, Epson R220, Nokia 6085h
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