:~/downloads$ ./ati-driver-installer-8.22.5-i386.run
Creating directory fglrx-install
Verifying archive integrity... All good.
Uncompressing ATI Proprietary Linux Driver-8.22.5...........................................................................................................................................................................................................................................................................................................................................................................
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 ATI Technologies Linux Driver Installer/Packager
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Detected configuration:
Architecture: i686 (32-bit)
X Server: Xorg 7.0.0

Detected version of X does not have a matching 'x700' directory
You may override the detected version using the following syntax:
     X_VERSION=<xdir> ./ati-driver-installer-<ver>-<arch>.run [--install]

The following values may be used for <xdir>:
    x410        XFree86 4.1.x
    x420        XFree86 4.2.x
    x430        XFree86 4.3.x
    x680        X.Org 6.8.x
    x690        X.Org 6.9.x
Removing temporary directory: fglrx-install


how to tell him xorg7?