From Linux Man Pages
ati - ATI video driver
SYNOPSIS
Section "Device"
Identifier "devname"
Driver "ati"
...
EndSection
DESCRIPTION
ati is an Xorg wrapper driver for ATI video cards. It autodetects whether your hardware has a Radeon, Rage 128,
or Mach64 or earlier class of chipset, and loads the radeon(4), r128(4), or atimisc(4) driver as appropriate.
SUPPORTED HARDWARE
The ati driver supports Radeon, Rage 128, and Mach64 and earlier chipsets by loading those drivers. See those
manpages for specific cards supported.
CONFIGURATION DETAILS
Please refer to xorg.conf(5x) for general configuration details, and the specific card driver for driver configu-
ration details. driver.
RELATED
Xorg(1x), xorg.conf(5x), xorgconfig(1x), Xserver(1x), X(7)
CATEGORY