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  1. #1


    Member Since
    Feb 28, 2012
    Posts
    1
    Will OS 10.5 or 10.6 work on PowerPC G5?
    Will OS 10.5 or 10.6 install and run on a IMac G5, Power Mac (8,2), PowerPC G5 (3.1), 1 CPU, Speed 2 GHz, L2 Cache 512kb, 1.5G memory, Bus Speed 667 MHz?

    If so, which OS package or upgrade should I buy to install?

    Thanks for any info and advice!

  2. #2


    Member Since
    Dec 11, 2010
    Posts
    1,419

  3. #3

    toMACsh's Avatar
    Member Since
    Jul 30, 2009
    Location
    Wisconsin
    Posts
    5,996
    Specs:
    Mac Mini (Late 2014) 2.6GHz Intel Core i5 Memory: 8GB 1600MHz DDR3
    10.5 is not available from any retail source and you need the "retail" version, which is black, not grey or silver. To get such a disc, you have to resort to resellers online. You could drop $100 US easily, or more.

  4. #4


    Member Since
    Aug 24, 2012
    Posts
    1
    Cool Os x 10.5
    Quote Originally Posted by toMACsh View Post
    10.5 is not available from any retail source and you need the "retail" version, which is black, not grey or silver. To get such a disc, you have to resort to resellers online. You could drop $100 US easily, or more.
    That is about what I paid for my version but be patient and if looking on e-bay subscribe to it for OS X 10.5.

    Because after I purchased mine about 2-3 weeks later I saw it for less than half of what I paid which was $90.

    As mentioned from previous post they can only be the black disks as the gray or silver are machine specific and will not work, so do not waste your money on these.

    Several years back almost any disks would work with just about any machine but not so now.

  5. #5

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    47,165
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Several years back almost any disks would work with just about any machine but not so now.
    Several years back? How many years ago are you talking about? The disk or disk set that came with a purchased Mac was always specific for that particular Mac unless a retail version was obtained.

  6. #6

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,225
    Specs:
    27" 5K iMac, 3.3GHz, 256GB Flash Storge, 16GB memory and OS X.11.3.
    At least back to OS 7.0 in 1993.
    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!

  7. #7

    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    9,249
    Specs:
    2.8 GHz MacBook Pro 10.11, 8 GB mem, iPhone 6+
    @OP in addition to making sure you have a retail version of 10.5 make sure you get a Universal version. If I remember correctly some discs for that OS were Intel only.
    Sylvester Roque Former Contributing Editor About This Particular Macintosh

    "Got Time to breathe. You got time for music." Denver Pyle as Briscoe Darling

  8. #8

    toMACsh's Avatar
    Member Since
    Jul 30, 2009
    Location
    Wisconsin
    Posts
    5,996
    Specs:
    Mac Mini (Late 2014) 2.6GHz Intel Core i5 Memory: 8GB 1600MHz DDR3
    OP posted over a year ago, and hasn't posted a second time.

  9. #9

    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    9,249
    Specs:
    2.8 GHz MacBook Pro 10.11, 8 GB mem, iPhone 6+
    Wow never noticed that, Yesterday was not my best day.
    Sylvester Roque Former Contributing Editor About This Particular Macintosh

    "Got Time to breathe. You got time for music." Denver Pyle as Briscoe Darling

  10. #10

    rabbitjetta's Avatar
    Member Since
    Nov 08, 2010
    Location
    Indiana
    Posts
    967
    Specs:
    Main-11" Air, iPhone 6+, iPad Mini 3, Hi-Fi Extras- Too many to count
    10.5 Leopard will
    10.6 Snow Leopard will not because it is intel only.

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