Commodore PC 20 - Page 44

!8 Operations Guide
0.1 Introduction
The ATI Graphics Solution is a multi-application video adapter that
combines
the video functions of the IBM CGA ® (Color/Graphics
Adapter),
the IBM MDA® (Monochrome/Display Adapter), the
Hercules Graphics Card, and
the Plantronics ColorPlus Adapter on
a single card. The ATI Graphics Solution can also run color software
on a monochrome monitor in full screen and without rebooting the
system. It offers 132-column text in both color and monochrome
modes as well as
640 x 200 resolution in 16 colors.
The following functions are provided by
the ATI Graphics Solution:
1. mM Compatible Monochrome and Hercules Compatible
Monochrome Graphics-Runs high resolution Hercules
compatible
monochrome graphics software and the high quality
monochrome character set on the monochrome monitor.
2. Color/Graphics Emulation-Runs color software in 16
shades
on the monochrome monitor in full screen and without
preboot software.
3. Color/Graphics-Runs all standard PC Color/Graphics
software.
4. Plantronics Compatible Color/Graphics-Runs all
Plantronics compatible
color graphics software. Displays up to
16 colors in 640 x 200 resolution.
5. 16 Colors in High Resolution-Runs 16 colors in 640 X 200
resolution.
6.
132 Columns- Displays 132-column text in either color or
monochrome.
7. Fast Flicker Free Scrolling.
8. Monitor Compatibility-Drives a Commodore 1901 or
equivalent TTL direct drive monochrome monitor, a PC
equivalent RGBI color monitor, a composite NTSC color
monitor
or a composite monochrome monitor.
9. Composite Output-Signal can be converted into 16 shades
on composite monochrome monitor.
Figure
0-1 is a block diagram of the ATI Graphics Solution showing
its major features and their approximate locations
on the board.
[~