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The '''Sun-1''' was a [[workstation]] from [[Sun Microsystems]], their first product, released in 1982. It was effectively a commercial version of the [[Stanford University Network workstation]] (the SUN); many of the principals at Sun had been involved in the creation of the SUN.

It used an [[asynchronous]] [[Multibus]] for communication with most [[device controller]]s, and a [[synchronous]] Sun-specific [[bus]] for communication between the [[Central Processing Unit|CPU]] (a 10 MHz [[Motorola MC68000]] [[microprocessor]], on the first CPU cards) and the [[main memory]] (carried on the same [[printed circuit board|PCB]] as the CPU; 256KB on the first cards). The CPU card carried [[PROM]]s, for both [[diagnostic]]s and [[bootstrap]]ping. Optional additional [[dynamic RAM]] boards from an outside vendor could be plugged into the Multibus.

A second Sun-specific card carried the [[bit-mapped display]], driving a [[cathode ray tube|CRT]] [[display]] from an outside vendor. The display card implemented a few display updating operations in [[hardware]]. Another card was the [[Ethernet|Experimental Ethernet]] [[network interface]]. A [[keyboard]] and [[mouse]] were also provided, driven by the CPU board. For [[mass storage]], controllers from other manufacturers were used.

They are apparently rare, as according to some sources, less than 200 Sun-1's were produced.

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==See also==

* [[Sun-2]]
* [[Sun-3]]
* [[Sun-4]]

==External links==

* [http://www.bitsavers.org/pdf/sun/sun1/ Sun1]- documentation at [[Bitsavers]]
** [http://www.bitsavers.org/pdf/sun/sun1/800-0345_Sun-1_System_Reference_Manual_Jul82.pdf SUN-l System Reference Manual]
* [http://www.sunhelp.org/faq/sunref1.html The Sun Hardware Reference, Part 1]

* [https://www.computerhistory.org/revolution/computer-graphics-music-and-art/15/218/615 Sun-1 workstation] - a Sun-at the [[CHM]]

[[Category: Workstations]]

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 * [http://www.sunhelp.org/faq/sunref1.html The Sun Hardware Reference, Part 1]
 <!-- * [http://www.sunshack.org/data/feh/1.5/wcd00094/wcd09466.htm Sun Field Engineer Handbook, 20th edition] -->
-* [https://www.computerhistory.org/revolution/computer-graphics-music-and-art/15/218/615 Sun-1 workstation] - a Sun-at the [[CHM]]
+* [https://www.computerhistory.org/revolution/computer-graphics-music-and-art/15/218/615 Sun-1 workstation] - a Sun-at the [[Computer History Museum|CHM]]
 [[Category: Workstations]]

Sun-1 - Revision history

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