Where great old Macs live again!

James Little
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  • Sheffield, South Yorkshire
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Leopard on Beige, PPC 8500 etc...


Should anyone be interested there's a guide detailing how to install leopard onto a PM 8500 and later (with a G4 upgrade) on:

Written by yours truly.

There are also some other mods which are excellent.


Posted on January 17, 2009 at 10:30am

10.5.4 Update on Beige!

Hi Everyone,

Another update regarding Leopard on Beige G3 (G4 upgraded) - it's now running 10.5.4 with sound and power management functions working properly.

There seemed to be a problem that whenever I updated the Beige from 10.5.0 to a newer version it would always restart with a kernel panic, stating "unable to find driver for platform "APPL,PowerMacG3". The only way I could get 10.5.0 working on it was to install 10.5.0 over a working Tiger 10.4.11 installation. Using… Continue

Posted on July 9, 2008 at 6:09pm

Leopard Retail on G4-upgraded Beige and B&W Macs...

After a previous couple of posts on about nearly getting Leopard to load on a Beige G3 / Blue & White G3 I can confirm that I have had success with it booting fully to the graphical user interface, after quite a few tries of different techniques.

There are some functions which currently need attention, like Firewire and power management, but this is related to the way I've got it working:

1. G3 B&W upgraded to run a 600Mhz G4 CPU

2. Used the… Continue

Posted on July 7, 2008 at 3:00am

Comment Wall (4 comments)

At 6:25am on July 8, 2008, James said…
Welcome aboard James! Thanks for sharing the Leopard hints -- I might give that a try.
At 5:05pm on August 24, 2008, mac said…
Thank you for adding MacHEADS
At 4:52am on April 14, 2009, macmedic said…
good work on 10.5 on those old beasts!
At 3:30pm on May 16, 2013, Richard Miranda said…
Hello Mr. Little,
I read an article about how you got OS X 10.5 installed on a G4 upgraded B&W Powermac. I would really love to be able to install OS X 10.5 Leopard on my G4 upgraded B&W Powermac. I was wondering if it would be possible for you to send me the necessary files to accomplish this task. The link for the files at the end of the article are no longer working.

Thank you kindly,

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