Interface Calcomp 565 plotter to IBM 1130 Computing System

The IBM 1130 from 1965 offered the ability to connect a Calcomp 565 (rebadged IBM 1627) drum plotter. IBM installed a Solid Logic Technology circuit card and wiring harness to do this. The project creates a replacement for the SLT card and a means to add the connection. Worked perfectly. PCB was well made and delivered right on schedule

Jun 24,2026
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