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Thread: Ubuntu Install on Imac ppc g5 Help

  1. #1
    Join Date
    Aug 2013
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    262

    Ubuntu Install on Imac ppc g5 Help

    Hi Guys: I have a PPC Imac g5

    Hard Drive Capacity: 500 GB
    iMac
    Processor Type:
    PowerPC G5
    Screen Size:20"
    Processor Speed: 2.00 GHz
    1gbMem Ram

    And i have Installed Debian Wheezy 7. and it's running farely good,exept it runs slow.
    but before debian wheezy i also have tried to install Ubuntu 12.04 PPC, i installed it ok till it gets to the Ubuntu Logo and hungs there and goes nowhere,
    after that i installed ubuntu 12.10 and it goes as far as the log in black screen, where it asks name and password, and from there i don't know how to get the Desktop environment.
    the same hapened with Ubuntu 13.04,all the installation goes smoothly but could never get the desktop of any kind. Any help on getting the commands for the desktop environment of any flavour would be apreciated,
    i'd like to try ubuntu cause i don't like Debian Wheezy much . But at least Debian Wheezy installs the Desktop environment right of the box, i wish that Ubuntu would do the same but it doesn't or i don't know how. any help would be apreciated.

  2. #2
    Join Date
    Sep 2007
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    Re: Ubuntu Install on Imac ppc g5 Help

    You might take a look at Linux MintPPC.

  3. #3
    Join Date
    Oct 2013
    Beans
    3

    Re: Ubuntu Install on Imac ppc g5 Help

    I am not sure what exact iMac G5 revision you have, but I have had some success in installing lubuntu 13.04 on a iMac G5 revC (the one with the iSight camera).

    I just downloaded the lubuntu 13.04 ppc iso and copied it on a usb stick using dd.
    To boot from it just enter OpenFirmware (by pressing alt+command+o+f after powering up the computer) and type some the magic command
    boot usb0/disk@2:,\\yaboot
    This worked for me when the usb stick was inserted in the port just next to the headphone one. If you are not familiar with this process, you can find a lot of tutorials around (for example this one).

    I found these kernel parameters to be necessary to get openGL working on the Radeon X600
    video=radeonfbff radeon.modeset=1 video=1440x900-32
    followed by a
    sudo X -configure
    which generates a xorg.conf file to be copied in /usr/share/X11/xorg.conf.d/01-radeon.conf

    Another word of warning is about random kernel locks on boot. I found that disabling apparmor solved all my issues.

    As far as I can tell, all the hardware is supported. I got openGL working on the Radeon X600, the wifi driver were installed automagically after invoking
    sudo apt-get install firmware-b43-installer
    , and the iSight is working too, although I had to download and compile the isight firmware tools.

    Sound does not work out of the box, but you have to manually insert the correct modules, which iny case are
    snd-aoa-fabric-layout
    snd-aoa-i2sbus
    Please be warned that there are some openGL issues with lubuntu 13.10 on the revC iMac G5 (or, at least, I had some issues and reverted to 13.04).

    Finally, do not expect a stellar performance. I was able to write this post using firefox on the machine, and - well - it was a good exercise in patience

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