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[PPC] Instruction for Install Ubuntu & sons on PowerMac G5 Quad with Radeon HD

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Ok guys because many people ask me here and there and on youtube and on g+ the same info i make this thread .
Please read this instruction and do exactly the same thing.

This guide is for install Lubuntu, Ubuntu Mate 14.04 on Quad G5 with Apple Flashed GPU and RadeonHD (in couple)
This guide is not for other distro not for debian , gento or opensuse is only for Lubuntu and Mate for the 14.04.2 release
This is the video of Lubuntu run with RadeonHD performance and speed for your considerations!
http://ubuntuforums.org/showthread.php?t=2274612 (if you like subscribe ;-) )

NOTE: i had been test only the:
RadeonHD 4650 512mb DDr3 64bit (working)
RadeonHD 5450 1GB DDr3 64bit (working)
RadeonHD 6570 2GB DDr3 128bit (working)

If you success with other cards please report!


This is the release link of lubuntu :

http://cdimage.ubuntu.com/lubuntu/re...14.04/release/

this is the release link for Mate:

https://ubuntu-mate.org/blog/ubuntu-...rusty-powerpc/


INSTRUCTIONS :

Download your prefer distro ... Mate or Lubuntu (PPC )
Burn the iso at lower Speed on a dvd .
Run it form a cd pressing the "c" on keyboard when turn on your powermac.

you will have the yaboot screen and at promt write

Code:

live video=offb:off video=radeonfb:off video=nouveaufb:off radeon.modeset=1 nouveau.modeset=0
you will have the video on radeonhd inizialized and see the desktop.

Make attention dont move the mouse on the border left or on the bottom of the screen because a strange bug on fbdev.

Click to install ... start the installation ... end.... machine reset

when the machine turn on again at promt write :

Code:

Linux video=offb:off video=radeonfb:off video=nouveaufb:off radeon.modeset=1 nouveau.modeset=0
When the user credential will exit push fast (without insert the credential) on the keyboard .
"ctrl+alt+f1" and you will go in tty1

insert there your users id and password
and there write

sudo apt-get install aptitude.

sudo /etc/init.d/lightdm stop

sudo aptitude remove xserver-xorg-video-fbdev.

after....

sudo nano /etc/yaboot.conf

where the "append line" add exactly (ADD NOT SWAP or CHANGE ADD):

Code:

video=offb:off  radeon.modeset=1 nouveau.modeset=0
save with ctrl+o and exit

after...

sudo ybin -v

and

sudo reboot...


now your machine is full linux ppc funtional!


For have the 3D right working :

You need to install the Xeno74 (Christian) Mesa Patch for X1000 but work perfect On Quad G5 and read the readme with instruction inside the
archive to install it !

Thankyou Christian for This!

http://www.xenosoft.de/Xorg_and_unof...e_X1000.tar.gz


I STRONG SUGGEST to install my optimized kernel 4.00-rc3 for G5 because better performance with radeonhd and much stable compared with
stock distro kernel


https://www.dropbox.com/sh/m8c9p3v99...XlqKBFyAa?dl=0


about video board setup
Use the Apple PPC flashed in Pcie 16x and the radeonhd on pcie 8x (usually the 3rd from the bottom)
you need 2 monitors or a monitor who have two video exit because one is for the apple flashed the other is for the radeonhd
Is not possible have the video on the not flashed video board from beginning because open firmware access to the flashed bios video board

bye
Luigi

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