In 1977, IMSAI marketing director Seymour I. Rubinstein paid Gary Kildall $25,000 for the right to run CP/M version 1.3, which eventually evolved into an operating system called IMDOS, on IMSAI 8080 computers.
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An IMSAI 8080 can also be spotted being used as a prop in an office scene approximately 13 minutes into Sidney Lumet's 2007 crime-drama-thriller film Before the Devil Knows You're Dead.
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The IMSAI machine ran a highly modified version of the CP/M operating system called IMDOS.
Intel 8080 | IMSAI 8080 |
He used this as the basis for a port to PTDOS on his kit-built IMSAI 8080 microcomputer, and called the resulting system Vulcan (after Mr. Spock on Star Trek).
The company also demonstrated, sold and serviced the IMSAI 8080 Microcomputer, Processor Technology SOL-20 Terminal Computer, and kits from The Digital Group.