Sun-2

Sun Microsystems Sun 2
Sun 2/120 server with SMD disk tower
DeveloperSun Microsystems
TypeWorkstation
Release dateNovember 1983 (November 1983)
Introductory price2/120: US$29,300 (equivalent to $69,000 in 2023)

2/160: US$48,800 (equivalent to $115,000 in 2023)

2/170: US$79,500 (equivalent to $187,000 in 2023)
CPUMotorola 68010
PredecessorSun-1
SuccessorSun-3

The Sun-2 series of UNIX workstations and servers was launched by Sun Microsystems in November 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 with a proprietary Sun-2 Memory Management Unit (MMU), 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, with later models using VMEbus, which continued to be used in the successor Sun-3 and Sun-4 families.

Sun-2 systems were supported in SunOS until version 4.0.3.

A port to support Multibus Sun-2 systems in NetBSD was begun in January 2001 from the Sun-3 support in the NetBSD 1.5 release. Code supporting the Sun-2 began to be merged into the NetBSD tree in April 2001. sun2 is considered a tier 2 support platform as of NetBSD 7.0.1.