NEC V20 CPU: A bit of pep for an XT
The NEC V20 was a popular 1980s CPU that offered a performance boost for Intel 8088-based systems. It remains a point of interest for retro-computing enthusiasts due to its unique compatibility features and historical legal victory over Intel.
Why it matters
This piece documents a niche but significant moment in computing history that shaped early hardware upgrade paths.
{"@context":["https://www.w3.org/ns/activitystreams",{"Hashtag":"as:Hashtag","sensitive":"as:sensitive","dcterms":"http://purl.org/dc/terms/","gts":"https://gotosocial.org/ns#","schema":"http://schema.org/","exifData":"schema:exifData","PropertyValue":"schema:PropertyValue","interactionPolicy":{"@id":"gts:interactionPolicy","@type":"@id"},"canQuote":{"@id":"gts:canQuote","@type":"@id"},"canReply":{"@id":"gts:canReply","@type":"@id"},"canLike":{"@id":"gts:canLike","@type":"@id"},"canAnnounce":{"@id":"gts:canAnnounce","@type":"@id"},"automaticApproval":{"@id":"gts:automaticApproval","@type":"@id"},"manualApproval":{"@id":"gts:manualApproval","@type":"@id"},"always":{"@id":"gts:always","@type":"@id"},"toot":"http://joinmastodon.org/ns#","blurhash":"toot:blurhash"}],"id":"https://dfarq.homeip.net/nec-v20-cpu-a-bit-of-pep-for-an-xt/","type":"Article","attachment":[{"type":"Image","url":"https://i0.wp.com/dfarq.homeip.net/wp-content/uploads/2020/03/nec-v20-cpu.jpg?fit=720%2C409\u0026ssl=1","mediaType":"image/jpeg","name":"NEC V20"}],"attributedTo":"https://dfarq.homeip.net/author/admin/","content":"\u003Cp\u003EThe NEC V20 was an Intel 8088-compatible CPU that ran slightly faster. It was a niche CPU in the 1980s and 1990s but had a following as a cheap upgrade for power users, especially in instances where motherboard swaps were impractical. It\u0026#8217;s popular with retro computing enthusiasts today, as a \u003Ca href=\u0022https://dfarq.homeip.net/what-is-period-correctness/\u0022\u003Eperiod-correct\u003C/a\u003E upgrade. On September 22, 1986, NEC prevailed over Intel in court, clearing the way to sell it.\u003C/p\u003E\u003Cp\u003E\u003Cstrong\u003EThe NEC V20 was pin-compatible with the Intel 8088 but included some unique forward and backward compatibility features. It included the 80186 instruction set and could also emulate the Intel 8080, in addition to being faster than the 8088.\u003C/strong\u003E\u003C/p\u003E\u003Cp\u003E\u003C!--more--\u003E\u003C/p\u003E\u003Ch2\u003EThe NEC V20\u0026#8217;s slightly troubled past\u003C/h2\u003E\u003Cp\u003EIn 1982, NEC licensed the rights to produce the Intel 8088 as a second source. But in March 1984, NEC released the V20, an 8088 clone with some performance improvements.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in