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Sun-2 was the name given to a series of UNIX computer workstations and servers produced by Sun Microsystems, launched in 1983. As the name suggests, the Sun-2 represented the second generation of Sun systems, superseding the original Sun-1 series. The Sun-2 series used a 10 MHz Motorola 68010 microprocessor, which enabled it to be the first Sun architecture to run a full virtual memory UNIX implementation, SunOS 1.0, based on 4.1BSD. Early Sun-2 models were based on the Intel Multibus architecture, later ones using VMEbus instead, which was also used in the later Sun-3 and Sun-4 families. Sun-2 systems were supported in SunOS until version 4.0.3. Remarkably, support for Multibus Sun-2 systems has also been included in NetBSD since NetBSD 1.6, released in 2002.
Sun-2 models Sun-1 systems upgraded with Sun-2 Multibus CPU boards were sometimes referred to as the 2/100U (upgraded Sun-100) or 2/150U (upgraded Sun-150). See also | ||||||||
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