ATI Technologies RADEON 9500 SERIES - Manual (Page 26)

21
OpenGL Control
Panel
Using this tab, gamers can fine-tune the settings of their
OpenGL games.
Main and Custom Settings
In the Main Settings you can maximize overall
performance by moving the slider to the left, or you can
enhance overall image quality by moving the slider to the
right. Selecting Custom Settings disables the Main
Settings slider allowing you to fine-tune the OpenGL
settings of your RADEON 9
500 Series.