SGI Crimson

The IRIS Crimson, code named Diehard2, was a Silicon Graphics (SGI) computer released in the early 1990s. It was the world's first 64-bit workstation.

Crimson was a member of Silicon Graphics's SGI IRIS 4D series of deskside systems; it was also known as the 4D/510 workstation. It was similar to other SGI IRIS 4D deskside workstations, and could utilise a wide range of graphics options (up to RealityEngine). It was also available as a file server with no graphics.

This machine made a brief cameo in the movie Jurassic Park where the character named Lex uses the machine to navigate the IRIX filesystem in 3D using the application fsn in order to restore power to the compound. The year following the film's release, Silicon Graphics released a rebadged, limited edition Crimson R4400/VGXT called the "Jurassic Classic", which included a special logo and featured SGI co-founder James H. Clark's signature on the drive door.

Crimson memory was unique to this model.

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