NASA NTRS · 19800009061
TMS communications hardware. Volume 1: Computer interfaces
Abstract
A prototpye coaxial cable bus communications system was designed to be used in the Trend Monitoring System (TMS) to connect intelligent graphics terminals (based around a Data General NOVA/3 computer) to a MODCOMP IV host minicomputer. The direct memory access (DMA) interfaces which were utilized for each of these computers are identified. It is shown that for the MODCOMP, an off-the-shell board was suitable, while for the NOVAs, custon interface circuitry was designed and implemented.
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Brown, J. S., Weinrich, S. S.. 1979-02-01. TMS communications hardware. Volume 1: Computer interfaces. https://ntrs.nasa.gov/citations/19800009061
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