Compukit UK101

Compukit UK101
A running Compukit UK101
ManufacturerCompukit Ltd.; CompShop Ltd.
Typemicrocomputer
Release date1979 (1979)
Units shippedaround 5000 kits
MediaCassette tape, disc drive (optional expansion)
Operating systemMicrosoft BASIC
CPU6502 @ 1 MHz
Memory8Kb, 40Kb (optional expansion)
DisplayTV, monochrome
Graphics48 x 16 characters, 256 semigraphics, monochrome
SoundGeneral Instrument AY-3-8910 (optional expansion)
InputMatrix of keyswitches
Power5.0Vdc at 25Watts for an expanded system

The Compukit UK101 microcomputer (1979)[1] is a kit[2] clone of the Ohio Scientific Superboard II single-board computer, with a few enhancements for the UK market - notably replacing the 24×24 (add guardband kit to give 32×32) screen display with a more useful 48×16 layout working at UK video frequencies.[3][4][5] The video output is black and white with 256 semigraphic characters[6][7] generated by a two kilobyte ROM. It has no bit-mapped graphics capability. The video is output through a UHF modulator, designed to connect to a TV set.

An assembled UK101, with original manual
  1. ^ BeeJay (2003). "Compukit UK101 Home Page". BeeJay's Home Page. Archived from the original on 2004-10-10. Retrieved 2023-01-09.
  2. ^ Searle, Grant (December 29, 2019). "How to build your own micro UK101". The Compukit UK101. Retrieved 2023-01-09.
  3. ^ "Compukit UK101". Centre for Computing History. Retrieved 2023-01-09.
  4. ^ "UK-101 Compukit". www.old-computers.com. Retrieved 2023-01-09.
  5. ^ "UK101 main page". BBC Educational Software Archive. Retrieved 2023-01-09.
  6. ^ Honniball, John (January 31, 2008). "The original UK101 character set" – via Flickr.
  7. ^ Cite error: The named reference :0 was invoked but never defined (see the help page).

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