Amstrad PCW8256

Amstrad PCW8256

The PCW 8256 was launched in September 1985, and had 256 KB of RAM and one floppy disk drive. Launched a few months later, the PCW 8512 had 512 KB of RAM and two floppy disk drives. Both systems consisted of three units: a printer; a keyboard; and a monochrome CRT...
Minimax 8085

Minimax 8085

The MiniMax8085 project has been brewing for almost three years. Sometime in the spring of 2014 my kids and I visited local the surplus store, where my kids found some Intel 8000 series parts in the kids-fill-your-bucket area. Among these ICs were there: an 8085 CPU,...
Lawrence Livermore Laboratory MST-80B

Lawrence Livermore Laboratory MST-80B

The LLL MST-80B is a complete microcomputer system self-contained in a briefcase for portability and easy usage. The microcomputer was designed as a training device for LLL’s Technology Training Program (TTP), and lowing students to explore the hardware and...
Kaypro II

Kaypro II

The Kaypro II was the first computer released by Non-Linear Systems, in 1982. Non-Linear Systems was founded by Andy Kay in 1952. But they didn’t make computers back then, they made digital multimeters. You see, Andy Kay is the inventor of the digital multimeter...
SBC6120 RBC Edition

SBC6120 RBC Edition

In the late 90s, Robert Armstrong of Spare Time Gizmos designed a single board computer using the Harris HD-6120 CMOS “PDP-8 on a chip”. Bob no longer offers new SBC6120 kits or boards, be he has made the design documentation, source code, and design files for the...