This driver is for RADEON 8500 Series and higher
STEP1: Download "Check.sh" to identify the version of XFree86 you have.
# run this file by typing "sh Check.sh". It will show what version you have installed.
STEP2: Download the ATI Driver Installer "ati-driver-installer-8.14.13.run".
STEP3: Make sure you have minimum requirements by installing the following:
# POSIX Shared Memory (/dev/shm) support is required for 3D apps
# glibc version 2.2 or 2.3
# Linux kernel 2.4 or higher
# XFree86 version 4.1, 4.2, or 4.3
STEP4: Run the installer by typing "sh ati-driver-installer-8.14.13.run". You must be a superuser to do this.
STEP5: Follow the step-by-step instructions in the GUI installer. Make sure to choose the options that corresopond to your XFree86 version.
STEP6(IMPORTANT): Backup your current "XF86Config-4" file. It is found in "/etc/X11/". Just make a copy of the file and place it somewhere safe: eg. your home folder or on a floppy disk.
STEP7: run "fglrxconfig" by typing "./fglrxconfig". You must be a superuser to do this.
STEP8: Answer the series of questions prompted by "fglrxconfig".
#When done, your current "XF86Config-4" file would have been replaced by a newer one.
After reboot, If xserver does not start, this is probably becuase of wrong setup with fglrxconfig. Simply, restore the old "XF86Config-4" file. Run "fglrxconfig" and go through the questions again.
Most importantly, is that you have a backup of your original "XF86Config-4 file".
For more detailed instructions: http://www2.ati.com/drivers/linux/li...4.13-inst.html