Installing Mac OS Classic on Power Mac G5

Discussion in 'PowerPC Macs' started by LOLZpersonok, May 28, 2018.

  1. LOLZpersonok macrumors 6502a

    LOLZpersonok

    Joined:
    Aug 10, 2012
    Location:
    Calgary, Canada
    #1
    I've got a Power Mac G5 running Mac OS X 10.4.11 and I'd like to get Mac OS Classic support installed so I can run some of my older Mac OS 9 games on it. I scoured the Internet for help but I can't find anything that helped me.

    Can someone help me out?
     
  2. eyoungren macrumors Core

    eyoungren

    Joined:
    Aug 31, 2011
    Location:
    ten-zero-eleven-zero-zero by zero-two
    #2
    You'll need to copy over an already existing OS9 install from somewhere else. Once you do that, the Classic Pane will show up in System Preferences.

    Apple deprecated Classic in OS X 10.4, although they did not remove support. Thus you cannot install it inside OS X and installing from an OS9 disk risks getting stuck in OS9 and being unable to boot OS X if you install OS9 on the same partition (assuming OS9 drivers has been installed when the drive was originally partitioned).

    Since non-destructive partitioning of drives did not come along until Leopard, then you'd have to wipe OS X in order to repartition the drive and make sure OS9 drivers were installed.
     
  3. LOLZpersonok thread starter macrumors 6502a

    LOLZpersonok

    Joined:
    Aug 10, 2012
    Location:
    Calgary, Canada
    #3
    Thanks for the reply.

    Fortunately, I've got an iMac G3 with Mac OS 9 installed, so that should be no issue. I presume I simply copy over the system folder from my iMac to my Power Mac?

    I've been keeping my Power Mac G5 on Tiger because if I recall properly, Leopard removed Classic entirely, but I'm not totally sure about that.

    Lastly, just a random thought: It'd be kind of neat to see Mac OS 9 running natively on a Power Mac G5, even though it's neither possible nor practical.
     
  4. eyoungren macrumors Core

    eyoungren

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    Aug 31, 2011
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    #4
    You copy over the System Folder and the Apps folder.

    Yes, Apple removed support for OS9 completely with Leopard. The only way you can run OS9 on a Leopard system is by using Sheepshaver.

    As far as OS9 natively on a G5, who knows. They've managed to do it for certain Aluminum PowerBooks.
     
  5. tdbmoss macrumors 6502

    tdbmoss

    Joined:
    Dec 4, 2011
    #5
    Yes, Leopard removed Classic support, Tiger for PowerPC is the last that supports it (Tiger for Intel does not support it).
     
  6. Roman78 macrumors member

    Roman78

    Joined:
    May 7, 2018
    Location:
    Eifel - Gemany
    #6
    Games in Classic-Mode won't run good. I tried it on a iMac G5 and got lots of Problems. The Classic-Mode is not made for games, only for Programs. So there is bad Colour and Multimedia support.

    Like in "Full Throttle" the Cut Scenes are stuttering. Well the whole game is in Slow Motion

    In "The Labyrinth of Time" the colours are totally weird.

    I prefer a real OS9 above the Classic-Mode.
     
  7. d-oost macrumors 6502a

    Joined:
    Jan 10, 2016
    #7
    Being realistic, OS9 running natively on a G5 isn't happening. The OS simply doesn't support the new architecture. OS9 supported the G4 arch, so that's why it managed to get hacked onto unsupported G4 hardware.
     
  8. eddjedi macrumors 6502

    Joined:
    Sep 7, 2011
    #8
    As I've recently found out many old 68k and PPC games do not even run well on OS 9. You're better off using something like Scumm VM or DosBox unless you have a Mac from the era the game was designed for.
     
  9. MagicBoy macrumors 68040

    MagicBoy

    Joined:
    May 28, 2006
    Location:
    Manchester, UK
    #9
    There was a CD bundled with some later machines that would install the OS9 files for classic onto a machine that won't boot it natively. Take a look at the software repository sites around and you'll likely find it...
     
  10. eddjedi macrumors 6502

    Joined:
    Sep 7, 2011
    #10

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