Take care, though. The original NeXT keyboard and mouse were not using ADB, but a proprietary (and a bit strange) protocol. The keyboard and mouse controller we

Take care, though. The original NeXT keyboard and mouse were not using ADB, but a proprietary (and a bit strange) protocol. The keyboard and mouse controller were actually contained in the monitor (for mono systems) or soundbox (for color systems), the NeXT communicated with the processor in the soundbox using a high speed serial protocol that also transmitted audio data. Only the later Turbo Cubes and Stations used ADB.