Apple PC Compatibility Card - Manual (Page 283)

This appendix describes special configuration options for the ATI video
circuitry and ATI video drivers that came with your PC Compatibility Card.
About video capabilities
The PC Compatibility Card comes with ATI video circuitry and ATI mach64
graphics accelerator, providing high performance 64-bit graphics, accelerating
up to 16.7 million colors (at a resolution of 800 x 600) and up to 1280 x 1024
resolution (with 256 colors). Availability of colors and resolutions depends on
the monitor connected, the type of chip, and the amount of video memory
installed. This appendix also describes the use of WINBOOST, which provides
64-bit graphics acceleration in multiple environments.
The video circuitry is initially configured to display basic VGA at a resolution
of 640 x 480. If you have a multiple-scan monitor, you can configure the
circuitry to provide the full range of resolutions and refresh rates that your
monitor can support.
Your operating system may also provide utilities for installing and configuring
enhanced drivers. Please refer to the documentation that came with your
operating system for information.
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Appendix D
Configuring Video Software