The Nascom-1 is a single-board computer kit, introduced in December 1977 and discontinued in 1979 when it was replaced with the Nascom-2. The Nascom was designed in the UK by Kerr Borland and John Marshall and featured a Zilog 80 processor running at 1MHz, 2kb RAM (1k used for video RAM), 1k ROM running NAS-BUG 1. RAM was expandable to 64k.
The Nascom-1 was a kit computer, meaning you bought the computer board and often a power supply, but you had to build your own case for it. As nothing was standardised this meant a lot of work. Our Nascom-1 appears to be made into a professional looking case. Other examples have been nothing more than a wooden box nailed together. A S-100 interface adaptor was also available for the Nascom-1.
| Year | 1977 |
| Make & Model | Nascom-1 |
| Generation | 4th Generation |
| CPU | Zilog 80 |
| Speed | 1MHz |
| RAM & ROM | 2k RAM, 1k ROM |
| Power | 60W |
| Exhibit No. | 1317 |
Advert from Wireless-World July 1985 page 15.
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