Difference between revisions of "Basic Four 7220"
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Revision as of 00:43, 25 March 2012
The Basic Four 7220 terminal was introduced sometime before May, 1975.
BitSavers
- Logic Diagrams for Models 7220 and 7230 Video Display Terminal August 16, 1976
- Service Manual for Models 7220 and 7230 Video Display Terminal August 16, 1976
