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

Current size med. Select new size for picture Small ( 27k) Medium ( 57k) Large ( 217k)

This board contains 6 NAND/NOR gates similar to the R111 ( 2k) 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 ( 2k)

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