AN/UYK-7 explained

The AN/UYK-7 was the standard 32-bit computer of the United States Navy for surface ship and submarine platforms, starting in 1970.^[1] It was used in the Navy's NTDS^[2] & Aegis combat systems and U.S. Coast Guard,^[3] and the navies of U.S. allies.^[4] It was also used by the U.S. Army.^[5]

Technical

Built by UNIVAC, it used integrated circuits, had 18-bit addressing and could support multiple CPUs and I/O controllers. Three CPUs and two I/O controllers were a common configuration. Its multiprocessor architecture was based upon the UNIVAC 1108.^[4] An airborne version, the UNIVAC 1832, was also produced.

Replacement

In the mid-1980s, the UYK-7 was replaced by the AN/UYK-43 which shared the same instruction set.^[1] Retired systems are being cannibalized for repair parts to support systems still in use by U.S. and non-U.S. forces.^[6]

See also

• AN/USQ-20 30-bit computer that the AN/UYK-7 replaced^[2]
• AN/UYK-20 16-bit computer developed for navy projects that did not need the full power of the AN/UYK-7^[7]
• CMS-2 (programming language)

External links

• Web site: 32 Bit Computers . June 15, 2008 . https://web.archive.org/web/20070915233236/http://www.usfamily.net/web/labenson/Computers32.htm . September 15, 2007 . dead . mdy-all .
• Description
• 3-D model of UYK-7

Notes and References

1. Web site: IT Legacy: Milestones . 2011-12-26 . VIP Club MN . https://web.archive.org/web/20120402205503/http://vipclubmn.org/milestones.aspx . 2012-04-02 . dead . 2022-08-18 . dmy-all.
2. Web site: IEEE Global History Network - First-Hand:Legacy of NTDS - Chapter 9 of the Story of the Naval Tactical Data System #Finally_32-Bits . David L. Boslaugh . March 11, 2021 .
3. http://www.uscg.mil/directives/ci/8000-8999/CI_8274_1A.pdf AN/UYK-7 MAINTENANCE ASSIST MODULE (MAM) KITS
4. Gray . George . The UNIVAC 1108 . Unisys History Newsletter . 3 . 2 . March 2000 . https://web.archive.org/web/20170422044211/https://wiki.cc.gatech.edu/folklore/index.php/The_UNIVAC_1108 . April 22, 2017 . 2009-06-24.
5. Web site: CECOM SEC Communications Software Engineering Support Division. https://web.archive.org/web/20070724042222/http://www.sed.monmouth.army.mil/comm/dds/EPLRS.htm. July 24, 2007.
6. Web site: Logistics Support for Legacy Systems. https://web.archive.org/web/20010306103455/http://www.chips.navy.mil/archives/98_apr/Legacy.htm. March 6, 2001.
7. Web site: IEEE Global History Network - First-Hand:Legacy of NTDS - Chapter 9 of the Story of the Naval Tactical Data System #The_Need_for_a_Standard_Minicomputer . David L. Boslaugh . March 11, 2021.