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Olivetti M20
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<p>The Olivetti M20 is a <a href="/facts/Zilog_Z8000/do1uTklA">Zilog Z8000</a> based computer designed and released by <a href="/facts/Olivetti/bdoq8XPH">Olivetti</a> in 1982. Although it offered good <a href="/facts/Computer_performance/td1qKox4">performance</a>, it suffered from a lack of software due to its use of the Z8000 processor and custom <a href="/facts/Operating_system/8XTuvMh2">operating system</a>, PCOS. The company introduced the <a href="/facts/IBM_Personal_Computer/yhcJGMPL">IBM PC</a> compatible <a href="/facts/Olivetti_M24/eGQY8rY7">Olivetti M24</a> in 1983 and the M20 line was phased out. </p>