File:Belleville Personal Computer, 8080, 2MHz, 1980. DSC 0663 (6685119805).jpg

Note mouse on top! Pretty hip for 1980... Mr. Belleville worked at Xerox PARC DSC_0663.

Around that same time, my friend Jerry built a terminal for his home system that looked much like this. He had a Hall effect keyboard, a video monitor in a matching box. Each of the circuit cards he bought or designed and built plugged into an edge connector inside the monitor box. Each had DIP switches, and the setting guides, pinout and schematic were on folded pieces of paper stored between the cards. He ran out of space and gave it to me, I ran out of space and gave it to a co-worker 29 years ago.

One side of the monitor box swung open, with a wing nut holding it shut when needed. The case was mahogany, and Jerry's paradigm was that a monitor was really a TV, and a TV in a mahogany box should have a Masonite back, so his did.

Quotation

[center]

Belleville Personal Computer, Robert Belleville, US, ca. 1980
Robert Belleville designed this computer around the 8080 microprocessor. He included
an audio processor with speakers, and made a scanner/printer to use with the system.
Belleville's design was influenced by the Xerox Alto, which he had worked on.
Speed: 2MHz Memory type: Semiconductor Memory width: 8bit
Gift of Robert Belleville X2117.2001A

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Ohio Scientific Model 600, Ohio Scientific, US, 1978
This Model 600 also called the Superboard II, was a single board computer with an
integrated keyboard and 4K of static RAM. It was among the most affordable of early
hobbyist computers, selling completed assembled for under $300.
Speed 1MHz Memory size: 4K Memory type: Semiconductor Memory width: 8-bit Cost: $279
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