Digital Engineering RG-512

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Digital Engineering RG-512
Manufacturer Digital Engineering
Model RG-512
Introduced June, 1979
Introductory Price $1,150
Graphic Modes
Type Monochrome
Resolution 512x250

The Digital Engineering RG-512 Retro-Graphics board was introduced in June, 1979 at a price of $1,150. It is a graphics card add-on for the Lear Siegler ADM-3A terminal that adds Tektronix 4010 compatible graphics. In May, 1980 the price was stated as "around $2,000". In July, 1983 the price was $749 and support for several different terminals was added. [1][2][3]




  1. Digital Engineering advertisement, Computerworld, June 11, 1979, pg. 86
  2. Digital Engineering advertisement, Computerworld, May 5, 1980, pg. 63
  3. "Graphics Upgrade Introduced", Computerworld, July 18, 1983, pg. 59