Adding a real-time clock

I wanted the Calculon/80 to have a real-time clock and some battery backed RAM for storing BIOS settings so I decided to use the Dallas DS12887 RTC with built-in lithium battery. It keeps track of time and date even when the computer is unplugged from the power supply. There are other alternatives available but it […]

Enclosure for the computer

Almost a year after finishing the PCB for the computer and a lot of hours of programming it, I saw a need for an enclosure. Mostly because it would be easier to connect all the cables and to turn it on and off, but also because my precious computer would be protected. I thought first […]