Nascom 2 (3)
The Nascom 1 and 2 were single-board computer kitsfrom the UK and issued in 1977 and 1979, respectively, based on the Zilog Z80 and including a keyboard and video interface, a serial port that could be used for storing data on a tape cassette using the Kansas City standard, and two 8-bit parallel ports. The inclusion of a full keyboard and video display interface was uncommon in this era, most microcomputer kits at the time only being delivered with a hexadecimal keypad and 7-seg display. In order to keep the cost down, the purchaser had to assemble their Nascom by hand-soldering approximately 3,000 joints on the single circuit board.
Introduced December 1979
CPU Zilog Z80A
CPU speed 4 MHz
Monitor/OS NAS-SYS 1 (2 KB ROM)
RAM 8 KB, exp. to 1 MB
Our Nascom 2 computer is complete with a 32k expansion and the wooden case has been nicely made by Bryan Stewart who very kindly donated the machine to us.
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This exhibit has a reference ID of CH7037. Please quote this reference ID in any communication with the Centre for Computing History.
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