Operating Systems > System Software v4, 3, 2 + 1 (1984-1987)

version info re: system 1, 2, 3 + 4

(1/1)

chrisNova777:
https://en.wikipedia.org/wiki/Classic_Mac_OS#System_1.2C_2.2C_3_and_4


--- Quote ---System 4.0 was released with the Mac SE
 System 4.1 first shipped with the Macintosh II

—these new machines required additional support for the first expansion slots, the Apple Desktop Bus (ADB), internal hard drives and, on the Mac II, lighter, color, larger displays and the first Motorola 68020 processor.[18
--- End quote ---

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