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New Products (PDF)
November 1975 (vol. 8 no. 11)
pp. 85-89
D.A. Michalopoulos, California State University
Three Rivers Computer Corporation now offers PDP-11/40 and 11/35 owners the ability to microprogram their computers. This two-board option plugs into the EIS (extended instruction set) and FIS (floating point instruction set) slots of the processor. It contains 1,204 words of 80-bit read/write control memory implemented with 50 ns. TTL RAM.
Citation:
D.A. Michalopoulos, "New Products," Computer, vol. 8, no. 11, pp. 85-89, Nov. 1975, doi:10.1109/C-M.1975.218813
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