Easiest way is to verify all the dependencies BEFORE TRYING TO INSTALL ANYTHING. From the ATI official installer instructions with notes I added(available on my website...linkie below):
# POSIX Shared Memory. (/dev/shm) Support is required for 3d applications and gaming.
To enable POSIX Shared Memory on your system, perform the following as root:
1. Add the following line to /etc/fstab (if it isn't there already): tmpfs /dev/shm tmpfs defaults 0 0
2. In a terminal window, mount shared memory as follows: mount /dev/shm
3. Issue the following command to check that it mounted properly: mount | grep "shm"
If the mount was successful, then the following output (or similar) should appear:
"tmpfs on /dev/shm type tmpfs (rw)"
# AGPGART needs proper drivers
1. First make sure that agpgart is loading properly.
2. To find out which AGP controller your motherboard uses, issue the following command: "lspci | grep AGP"
3. To find a list of AGP related kernel modules installed on your machine, issue the following command and look for a module (*.ko file) that suits your AGP Controller: "ls /lib/modules/`uname -r`/kernel/drivers/char/agp"
4. Use the modprobe command (as root) to load the module. For example: On a motherboard using a VIA� AGP Controller, you would load the via-agp.ko using modprobe as follows (notice that the trailing .ko is omitted): "modprobe via-agp". Check the modprobe manpage for more information on loading kernel modules.
5. To verify that the AGP module is already loaded, run "lsmod" as root. With the X server running and the connection established, the usage count of this module must be greater than zero.
# glibc version 2.2 or 2.3
1. In a terminal window, run "rpm -q glibc".
2. You should receive a positive output. If you do not have it installed, install it.
# Xfree86 4.1, 4.2, or 4.3 or XORg 6.8
If you don't know which version you have for sure, you can download and run the test script from ATI's "New Installation Instructions."
# Linux Kernel 2.4.x, 2.5.x, or 2.6.x
Check to be sure your kernel is at least 2.4.x.
# Linux Kernel Source
"rpm -qa | grep kernel" should give you a list of kernel type things. You need the following, and they all must match(if you have more, like install-docs, debug info, that is fine, and they do not need to match):
Code:
kernel-source-2.6.15
kernel-default-2.6.15
You need it because the ATI Driver will be configuring much of its working based on your current kernel. If you have upgraded the kernel, you need to get its source, and find out where to put it.(usually /usr/src)
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Now, once all the prereqs have been checked, and met. Uninstall the rpm you downloaded previously, and get the installer script. Then you can right click on it in KDE, go to permissions, make it executable. As root, you can run it with "./ATIinstaller_____". Check the log in /var/log/xorg.0.log, to see if it installed succesfully. If it did, you are ready to backup your current xorg.conf, run aticonfig, and then modify the new xorg.conf to your needs(to match current mouse, monitor, and keyboard settings).
Then you just need to reboot and viola. EDIT: My website is currently not up to date after checking, I will fix that tonight when I get home.