Install OSX 10.5 Leopard on Powerbook G4 (a1138) with a USB drive! WITH 10.5 LEOPARD IMAGE

Install OSX 10.5 Leopard on Powerbook G4 (a1138) with a USB drive! WITH 10.5 LEOPARD IMAGE

Method to install OSX 10.5 Leopard on a Powerbook G4. Probably also usefull for other machines!

If you have any questions let me know!

Some of the commands (specific to my machine!!!!):
Command ⌘+Option+O+F
dev / ls
devalias ud /pci@f2000000/usb@15,1/disk@1
boot ud:3,\System\Library\CoreServices\BootX

OSX 10.5 Leopard location (PowerPC & Intel):
https://drive.google.com/open?id=0Byhts_pMay1hWHdyOWhGd1Vkdnc

OSX 10.4 Tiger
https://drive.google.com/open?id=0Byhts_pMay1hUnRlS1M4WDBLd28

Filed Under: Mac Operating System

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Comments (18)

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  1. Liam barnett says:

    Thank for your help mate 👍

  2. Gregory Passaretti says:

    i have a pc running win 10 i have a imac how do i install os 10 the imac has no data on it

  3. Gáspár Ferenc says:

    Excellent! It worked for me! PowerBook G4 (A1106)

  4. INVEST A PARIS says:

    hello, just did exactly to firmware mode, but I can't find any disk1, which is in the disk utility, there were only disk0 and disk, what's wrong? I'm on iMac g4 1.25, and can't restart from my usb installation

  5. starbase121 says:

    Hi! Would this work on a Mini Mac G4?

  6. Liam barnett says:

    how do i download snowleopard power mac virsion

  7. Nick Metralha says:

    How can you find the usb volume with no other mac just windows? As cant pass from the step to check the usb alias forwards

  8. D12Dituelf says:

    HI, CAN YOU HELPME? I HAVE MACBOOK 2.1 CORE 2 DUO, MAC OS X 10.4.11 TIGER, I WANT UPGRADE TO 10.5 SNOW LEOPARD, I MAKE USB FOR BOOT AND I CAN´T FORMAT FROM THE USB… WHEN I HOLD THE KEY (COMMAND) I CHOOSE BETWEEN THE HDD OR USB, AND WHEN I CHOOSE THE USB TAKE FEW MINUTES LOADING AND THEN SHOW ME THE LOGO OF PROHIBITE OR CENSURED YOU KNOW WHAT LOGO I MEAN. I WAIT FOR YOUR RESPONSE. REGARDS.

  9. Steve Ozzy Bateman says:

    Does not work on PowerMac G4 Quicksilver. It shows that there is a installer. When I try booting from it it shows the question mark and folder and flashes a few times, then it goes straight into my Tiger os. So don't know what I'm doing wrong. I followed your steps here. Unless there is another version of 10.5 somewhere.

  10. Chris Allon says:

    I am doing this on an iMac g4 & the 2 usb selections don't have a disk number just a device number. Any suggestions

  11. Zero DK says:

    Thanks for the direct link for the Systems!

  12. Sneaksby Alfresco says:

    Incredible stuff.

  13. Konrad C says:

    Confirmed working on PB a1139

  14. Marco chow says:

    When I at the installer said Macosx cannot be upgraded to v10.5 on your computer Mac OS X v10.4 or later could not be found on your computer ,what can I do ?

  15. droneskie says:

    you are the muthfuggin man!!! worked like a charm on my old ass powerbook which i thought was long dead! ha.

  16. Unknown User says:

    Thank you SO SO SO SO SO SO SO SO MUCH!!!!!

  17. Roberto Usai says:

    hey, In this mode, my g4 keyboard does not work well.
    In practice I can not use the slash button. how can I solve this problem?

  18. SA1278 says:

    Does not work with my iBook G4…

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