This simple PCB will enable one or two 3.5″ or 5.25″ floppy drives to be directly connected to a PDP-11 RQDX-series controller. It is a simplified version of my earlier RQDX Breakout Board. Unlike my earlier board, this board will not connect to an MFM hard drive, and does not have any circuitry to stretch … Continue reading RQDX Mini-BOB for floppy drives<..

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