Corona Data Systems

Corona Data Systems
Corona Data Systems
Industry Computer Hardware
Fate Acquired
Founded Westlake Village, California, USA (1982 (1982))
Founder(s) Robert Harp
Headquarters Westlake Village, California, USA
Area served Worldwide
Products desktops portables
Owner(s) Daewoo

Corona Data Systems, later renamed Cordata, was an American personal computer company. It was one of the earliest IBM PC compatible computer system companies. Manufacturing was primarily done by Daewoo of Korea, which became a major investor in the company and ultimately the owner.[1][2][3] It was sued by IBM for copyright infringement in 1984.[4]



Founded in 1982 by Robert Harp, who previously helped found Vector Graphic.[5]

The original Corona PC was released in 1983.[6]

By 1984, Corona employed 280 people.[5]

IBM Lawsuit

In early 1984, IBM sued Corona (and Eagle Computer) for copyright violation of the IBM PC BIOS. Corona settled with IBM by agreeing to cease infringement.[4]

Corona PPC-400

Cordata Portable PC PPC-400, image courtesy of Personal Computer Museum
Cordata Portable PC PPC-400, image courtesy of Personal Computer Museum

Corona Portable PC Model PPC-400, arguably the most notable Corona computer, was introduced in 1984. The PPC-400 was remarkable for its elegant and clear screen fonts. The desktop version was the PC-400.[7]


Corona Data Systems was renamed Cordata in 1986 in order to reflect diversification and to try to distance itself from identification as just a "PC clone" manufacturer.[1]


Early IBM PC compatible computer system companies:[8]

See also

External links

Daewoo Electronics


  1. ^ a b Welch, Mark (December 2, 1985), "Corona Data Systems Gets New Backing", InfoWorld: 13,, retrieved February 28, 2011 
  2. ^ Bates, James (June 2, 1987), "Cordata Gets a Seoul Man as CEO : Daewoo Trouble-Shooter Hopes to Put IBM-PC Clone-Maker Back on Track", Los Angeles Times,, retrieved February 28, 2011 
  3. ^ "Cordata's Founder Resigns in Dispute With Korean Owners", Los Angeles Times, August 13, 1987,, retrieved February 28, 2011 
  4. ^ a b Caruso, Denise (February 27, 1984), "IBM Wins Disputes Over PC Copyrights", InfoWorld: 15,, retrieved February 28, 2011 
  5. ^ a b Bartimo, Jim (July 30, 1984), "Q&A: Robert Harp 'PC Compatibility is a great equalizer'", InfoWorld: 46,, retrieved February 28, 2011 
  6. ^ "Corona advertisement", InfoWorld: 50, July 18, 1983,, retrieved February 28, 2011 
  7. ^ "Corona Portable PPC-400". The Freeman PC Museum. Retrieved February 28, 2011. 
  8. ^ Watt, Peggy (December 17, 1984), "Compatible Makers Face IBM", InfoWorld: 23–24,, retrieved February 28, 2011 

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