SGI Indigo

The Indigo is a workstation for creating moving images with three-dimensional effects. It was launched in 1992 as IRIS Indigo of Silicon Graphics, Inc. ( SGI) on the market.

The Indigo was a pioneer in the field of 3D graphics, since it was the first time possible to produce animation effects with the necessary resolution for movies outside of mainframes. Many well-known films such as Jurassic Park were rendered on the machine.

Also, the workstation was known for her style. Your body was in her giving the name indigo color.

Other components could be incorporated into the workstation, and can be connected by means of the GIO32 bus.

The indigo was replaced by the SGI Indigo2 (and in the low-cost market by the SGI Indy ). Nevertheless, the SGI Indigo remained in some special applications in use until 2000.

Hardware and system startup

The graphics performance involved the workstation from its hardware-accelerated graphics chip. This graphics chip gave it as a 2D (two-dimensional ) framebuffer or 3D version.

Both the motherboard and the graphics board can be installed and removed without loosening screws.

As usual for SGI machines the startup is carried out by a powerful firmware. The firmware has its own graphical interface and can be operated by mouse. To boot the system this firmware performs self- test ( see picture).

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