R series PDP-8 board information and R181 DC Carry Chain

Current size small. Select new size for picture Small ( 40k) Medium ( 81k) Large ( 527k)

This board is designed for building counters with no carry propagate delay. It allows counter of any length to run at 2mc (2MHz).
This board cost $36 in 1968.

Back of board ( 2k)

Previous picture Next picture

Back to Previous page All of R series PDP-8 board information and pictures [an error occurred while processing this directive]