AN/UYK-43
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The AN/UYK-43 was the standard 32-bit computer of the United States Navy for surface ship and submarine platforms, with the first unit delivered in October, 1984.[1] Some 1,250 units were delivered through to 2000.[2] The size of a refrigerator, it replaced the older AN/UYK-7, both built by UNISYS and shared the same instruction set.[1] An enhancement to the UYK-43, the Open Systems Module (OSM), allows up to six VMEbus Type 6U commercial off-the-shelf (COTS) cards to be installed in a UYK-43 enclosure.
In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/UYK-43" designation represents the 43rd design of an Army-Navy electronic device for general utility data processing computing equipment. The JETDS system also now is used to name all Department of Defense electronic systems.
The UYK-43 is being replaced by commercial off-the-shelf systems. Retired systems are being cannibalized for repair parts to support systems still in use by U.S. and non-U.S. forces.[3]
