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Installed ubuntu on Intel Pentium 4 EMT64 based platform and faced a problem with ATI Radeon video card driver installation. UBUNTU was not able to start XServer. It throwed some red screens with information abount missconfigured XServer, Displays, Ports and so on.

Fortunately i have found a walkaround.

Here are the things should be done.

1. Install latest ubuntu kernel according to your platform(mine is amd64-generic)

sudo apt-get install linux-amd64-generic

2. Install fglrx driver

sudo apt-get install xorg-driver-fglrx

3. Load the fglrx module

echo fglrx | sudo tee -a /etc/modules

4. Backup xorg.conf

sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_old

5. Make changes to xorg.conf

sudo pico /etc/X11/xorg.conf

Text

Section "Device"
Identifier "ATI Technologies, Inc. Radeon Mobility 9600/9700
M10/M11 (RV350 NP)"
Driver "ati"
BusID "PCI:1:0:0"
EndSection

Must be changed into:

Section "Device"
Identifier "ATI Technologies, Inc. Radeon Mobility 9600/9700
M10/M11 (RV350 NP)"
Driver "fglrx"
BusID "PCI:1:0:0"
EndSection

6. Reboot

sudo reboot

These manipulations should help. But they didn’t work for me until i placed “ChipID 0×3150″ into device section making it to look like

Section "Device"
Identifier "ATI Technologies, Inc. Radeon Mobility 9600/9700
M10/M11 (RV350 NP)"
Driver "fglrx"
BusID "PCI:1:0:0"
ChipID 0x3150
EndSection

and rebooted the pc once again.