What is the ATI VGA driver?

ATI adapters README : What is the ATI VGA driver?
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## 1. What is the ATI VGA driver?

The ATI VGA driver is a 256-colour, 16-colour and monochrome driver for XFree86. The driver is intended for all ATI video adapters except those that do not provide SuperVGA functionality (such as some early Mach8 and Mach32 adapters). The following approximate maximum resolutions (based on the Golden Ratio of x/y = (1 + sqrt(5))/2) are possible depending on the video memory available on the adapter (and the capabilities of your monitor):

        256k    640x409x256    896x585x16
        512k    896x585x256   1280x819x16
        1M     1280x819x256  1824x1149x16

Maximum monochrome resolutions are the same as those for 16-colour mode, because the monochrome server uses a maximum of one fourth of the available video memory.

ATI adapters README : What is the ATI VGA driver?
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