Sun-2
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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
| Model | CPU board | Max. RAM | Chassis |
|---|---|---|---|
| 2/120 | Sun-2 Multibus or Sun-2 Multibus Prime | 7 or 8 MB | 9-slot Multibus (deskside) |
| 2/170 | Sun-2 Multibus or Sun-2 Multibus Prime | 7 or 8 MB | 15-slot Multibus (rackmount) |
| 2/50 | Sun 2050 | 7 MB | 2-slot VME (desktop) |
| 2/130 | Sun 2050 | 7 MB | 12-slot VME (deskside) |
| 2/160 | Sun 2050 | 7 MB | 12-slot VME (deskside) |
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
External links
- [Sun Microsystems]
- [The Sun Hardware Reference, Part 1]
- The Sun-2 Hardware Reference: [Part 1] and [Part 2]
- [Sun Field Engineer Handbook, 20th edition]
- [soupwizard.com Sun-2 Archive]
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