Previous 1 2 Next 16 Replies Latest reply: Feb 26, 2008 5:55 AM by ali brown
Apple Rules Level 2 Level 2 (315 points)
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)
    Yes, why not? What are the specs? If you have the RAM and a CD/DVD slot I don't see any problem.


    Ray
  • Apple Rules Level 2 Level 2 (315 points)
    Because G3 is not supported...
    It only has 256MB RAM too.
  • smithrj Level 4 Level 4 (1,540 points)
    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
  • Apple Rules Level 2 Level 2 (315 points)
    I run Tiger but I'm going to buy Leopard for the PowerMac G4 that I ordered and wanted to know if it would run in my old G3 iMac too.
  • smithrj Level 4 Level 4 (1,540 points)
    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
  • ali brown Level 7 Level 7 (26,465 points)
    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
  • Apple Rules Level 2 Level 2 (315 points)
    I know it's not going to run officially but I was typingabout running it with something like XpostFacto.
  • ali brown Level 7 Level 7 (26,465 points)
    Apple Rules,

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

    Doesn't sound promising.

    ali b
  • Apple Rules Level 2 Level 2 (315 points)
    That article didn't say how to install it though.
  • a brody Level 9 Level 9 (64,210 points)
    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.
  • ali brown Level 7 Level 7 (26,465 points)
    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
  • Apple Rules Level 2 Level 2 (315 points)
    Aww . I guess Apple really wants people to buy those Intel Macs of there's. Hopefully in the future XPostFacto will be updated to support G3 processors for Leopard. I see no reason why it wouldnt be. Remeber when 10.0 dropped support for all the non G3 processors? Yet 10.0-10.2 ran fine on them with XPostFacto.
  • a brody Level 9 Level 9 (64,210 points)
    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.
  • Apple Rules Level 2 Level 2 (315 points)
    There's no AppleCare on those systems? I always thought AppleCare supported all G3's and up.
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