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FM 11AD2+ (1982)

Photo of FM 11AD2+

The FM 11AD2+ came standard with OS-9 Level 2, a UNIX-like operating system that enhanced the Japanese processing function. Whereas in the past, a series of input, list, or output operations could not proceed until one module had finished processing, OS-9 combined multiple modules, allowing information to be alternately combined while simultaneously executing applications.