The Dallas DS12887 real-time clock/NVRAM module on the mainboard was of course dead. After replacing it, the BIOS finally remembered the right boot and input settings, so that the CNC machine’s ...
and CNC-cut vinyl for the letters and numbers. Each unit is powered by its own stepper motor. To turn four of these displays into a clock, [Erich] milled up a very nice enclosure from beech.