SGI Onyx2, code name Kego, is a family of

visualization Visualization or visualisation may refer to: *Visualization (graphics), the physical or imagining creation of images, diagrams, or animations to communicate a message * Data visualization, the graphic representation of data * Information visualiz ...

systems developed and manufactured by

SGI SGI may refer to: Companies *Saskatchewan Government Insurance *Scientific Games International, a gambling company *Silicon Graphics, Inc., a former manufacturer of high-performance computing products *Silicon Graphics International, formerly Rac ...

, introduced in 1996 to succeed the

Onyx Onyx primarily refers to the parallel banded variety of chalcedony, a silicate mineral. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The c ...

. The Onyx2's basic system architecture is based on the

Origin 2000 The SGI Origin 2000 is a family of mid-range and high-end Server (computing), server computers developed and manufactured by Silicon Graphics (SGI). They were introduced in 1996 to succeed the SGI Challenge and POWER Challenge. At the time of in ...

servers, but with the inclusion of graphics hardware. In 2000, the Onyx2 was succeeded by the Onyx 3000, and it was discontinued on June 27, 2003. These systems run either

IRIX IRIX ( ) is a discontinued operating system developed by Silicon Graphics (SGI) to run on the company's proprietary MIPS workstations and servers. It is based on UNIX System V with BSD extensions. In IRIX, SGI originated the XFS file system and ...

6.4 or 6.5.

Models

Microprocessor

The Onyx2 uses the MIPS

R10000 The R10000, code-named "T5", is a RISC microprocessor implementation of the MIPS IV instruction set architecture (ISA) developed by MIPS Technologies, Inc. (MTI), then a division of Silicon Graphics, Inc. (SGI). The chief designers are Chris Rowe ...

microprocessor A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. The microprocessor contains the arithmetic, logic, and control circu ...

clocked at 150, 175, 180 and 195 MHz, later increased to 250 MHz, courtesy of a process shrink from 0.35 to 0.25 micrometers. Later 300 and 400 MHz

R12000 The R10000, code-named "T5", is a RISC microprocessor implementation of the MIPS IV instruction set architecture (ISA) developed by MIPS Technologies, Inc. (MTI), then a division of Silicon Graphics, Inc. (SGI). The chief designers are Chris Rowe ...

, and 500 MHz R14000 CPUs were made available.

Graphics subsystem

At the time of their introduction, the Onyx2 could be configured with the

Reality Reality is the sum or aggregate of all that is real or existent within a system, as opposed to that which is only imaginary. The term is also used to refer to the ontological status of things, indicating their existence. In physical terms, r ...

InfiniteReality InfiniteReality refers to a 3D graphics hardware architecture and a family of graphics systems that implemented the aforementioned hardware architecture that was developed and manufactured by Silicon Graphics from 1996 to 2005. The InfiniteRealit ...

, or InfiniteReality2 graphics subsystems. Later, the InfiniteReality2E was made available and then the InfiniteReality3, in April 2000.

References

SGI Onyx2 Reference data at Nekochan.net
{{Silicon Graphics Onyx2