Hi thanks for getting back to me!
Yea from my research it seems to be not just sound problems but GPU problems as well. It's definitely not a RAM issue since OS X was running fine and had no problems whatsoever. I just wanted to install Linux for more flexibility.
What I ended up doing was going to the source and just installing Debian Jessie 8.0. This worked out fine the system installed properly, however I still faced a GPU problem where at the TTY login the screen would black out, I SSH'd into it and I could see everything was running smoothly system-wise except the GPU. To fix the GPU I had to change my xorg.conf file in /etc/X11/xorg.conf to this:
Code:
##imac-ppc-slot-loader-400-450-xorg.conf#################
#see natgab
# 1. /etc/X11/xorg.conf (xorg X Window System server configuration file) #
# 2. This file was generated by dexconf, the Debian X Configuration tool, using
# 3. values from the debconf database. #
# 4. Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# 5. (Type "man /etc/X11/xorg.conf" at the shell prompt.) #
# 6. This file is automatically updated on xserver-xorg package upgrades only
# 7. if it has not been modified since the last upgrade of the xserver-xorg
# 8. package.
# 9. If you have edited this file but would like it to be automatically updated
# 10. again, run the following command:
# 11. sudo dpkg-reconfigure -phigh xserver-xorg
Section "Files"
FontPath "/usr/share/X11/fonts/misc"
FontPath "/usr/share/X11/cyrillic"
FontPath "/usr/share/X11/100dpi/:unscaled"
FontPath "/usr/share/X11/75dpi/:unscaled"
FontPath "/usr/share/X11/fonts/Type1"
FontPath "/usr/share/X11/fonts/CID"
FontPath "/usr/share/X11/fonts/100dpi"
FontPath "/usr/share/X11/fonts/75dpi" # paths to defoma fonts
FontPath "/var/lib//defoma/x-ttcidfont-conf.d/dirs/TruType"
FontPath "/var/lib//defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection
Section "Module"
Load "GLcore"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc104"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "Emulate3Buttons" "true"
Option "ZAxisMapping" "4 5"
EndSection
Section "Device"
Identifier "ATI Technologies, Inc. Rage 128 PR/PRO (AGP TMDS)"
Driver "ati"
Option "UseFBDev" "true"
EndSection
Section "Monitor"
Identifier "iMac"
Option "DPMS"
HorizSync 60-60
VertRefresh 75-117
EndSection
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies, Inc. Rage 128 PR/PRO (AGP TMDS)"
Monitor "iMac"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "800x600" "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection
Section "DRI"
Mode 0666
EndSection
###############end#####################
Everything worked fine after that and I had a fully operational Linux.
I realize this technically isn't a solution but apparently it's as close as one can get with Ubuntu Server on a PowerMac G5, Ubuntu is built off Debian anyway and we had no problem getting all our Web Dev stuff set up for testing exactly the same as we did on our live Ubuntu Servers.
Thanks for your help!
Edit: When you're installing Debian, make sure to select to install the OpenSSH package, without it you will not be able to get into the system as the GPU will black out before you can log in.
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