The Lucas Nascom 1 and 2 were single-board computer kits issued in 1977 and 1979, respectively, based on the Zilog Z80 and including a keyboard and video interface, as well as a serial port that could be used for storing data on a tape cassette using the Kansas City standard. The inclusion of a full keyboard and video interface was uncommon in this era, most microcomputers at the time only being delivered with a hex keypad and 7-seg display.
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| Model | Nascom 1 | Nascom 2 |
| Introduced | December 1977 | December 1979 |
| MSRP (price) | £197.50 | £225 |
| CPU (µP) | Zilog Z80 | Zilog Z80 |
| CPU speed | 2.5 MHz | 4 MHz |
| Monitor/OS* | NAS-BUG 1 (X KB ROM) | NAS-SYS 1 (2 KB ROM) |
| RAM | 2 KB, exp. to 64 KB | 8 KB, exp. to 64 KB |
| Discontinued | 1979 | 1983 |
| * A debug monitor/simple OS was included with the machines. |
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The predecessor of Borland's very successful Turbo Pascal compiler and IDE for CP/M and MS-DOS was developed by Blue Label Software for the Nascom 2, under the name Blue Label Software Pascal, or BLS Pascal.
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