R series PDP-8 board information and picture r123.jpg

R series PDP-8 board information and Picture R123 Input Bus Gate

Current size small. Select new size for picture Small ( 27K) Medium ( 57K) Large (217K)

This board contains 6 NAND/NOR gates similar to the R111 ( 24K) board intended for driving the PDP-8 input bus from peripherals.
This board cost $19 in 1968.

Schematic of board as a scanned PDF file.

Back of board ( 27K)

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Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with. I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation.

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