# name | date from | date defunct | country | linkto date : link target 
Commodore PET 2001|1977-01|1979-06|US
Commodore PET 30xx|1978-05|1980-01|US
Commodore PET 40xx/80xx|1980-05|1984-06|US
Commodore 500/700/B|1982-05|1984-01|US
Commodore VIC-20|1980|1985-01|US
Acorn System 1|1979-03|1980-05|UK
Acorn Atom|1980-05|1983-09|UK
Acorn Electron|1983-08|1985|UK
Acorn Proton/BBC Micro|1981-12|1994|UK