On July 21, 2000, it sold its Intense3D graphics accelerator division to 3Dlabs, and its workstation and server division to Silicon Graphics. In 2000, Intergraph exited the hardware business and became purely a software company. Intergraph negotiated major settlements with Intel, HP, Texas Instruments and Gateway, earning the company over $394M.

In 1997, Intergraph began pursuing litigation against Intel and other computer hardware manufacturers based on the intellectual property developed in Clipper. In 1987, Intergraph bought the Fairchild division responsible for the chip. Intergraph developed their own version of UNIX for the architecture, which they called CLIX. Intergraph was one of only two companies to use the chips in a major product line. One of Intergraph's major hardware projects was developing a line of workstations using the Clipper architecture created by Fairchild Semiconductor. The company was later renamed to Intergraph Corporation in 1980. Army in developing systems that would apply digital computing to real time missile guidance. Robert Thurber who had been working with NASA and the U.S. Meadlock, his wife Nancy, Terry Schansman (the S of M&S), Keith Schonrock, and Intergraph was founded in 1969 as M&S Computing, Inc., by former IBM engineers Jim

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