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| GGLabs' CGA2RGB (courtesy of GGLabs) |
Getting a high quality and proper video signal from an IBM CGA or EGA card or an IBM PCjr or Tandy 1000 without their specialized monitors can be difficult. These computers used specialized RGB monitors to give a high quality solution using digital signals to tell the monitor which color to display. Unfortunately this standard was not really adopted outside of the expensive PC compatibles and most RGB monitors only accept an analog signal. When VGA and its analog RGB signal format became standard, support for the older digital RGB format went away. In this blog entry I am going to examine an inexpensive converter that can help you adapt your vintage PC compatible's digital RGB video output to the more accessible analog RGB video output.
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