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===First generation products===
 
===First generation products===
The first '''IRIS 1000'''-series machines (''IRIS'' standing for "Integrated Raster Imaging System") were designed to be connected to a DEC VAX computer as a graphics terminal, handling only the actual display. These were based on the Motorola 68000 microprocessor, with a motherboard design related to that of the Sun-1. After that, SGI began using the UNIX System V operating system to power the machine. Their height was reached with the '''IRIS 3130''', a complete UNIX workstation using the Motorola 68020 with an attached Weitek math coprocessor.
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The first '''IRIS 1000'''-series machines (''IRIS'' standing for "Integrated Raster Imaging System") were designed to be connected to a DEC VAX computer as a graphics terminal, handling only the actual display. These were based on the [[Motorola 68000]] microprocessor, with a motherboard design related to that of the Sun-1. After that, SGI began using the UNIX System V operating system to power the machine. Their height was reached with the '''IRIS 3130''', a complete UNIX workstation using the [[Motorola 68020]] with an attached Weitek math coprocessor.
    
The 3130 was powerful enough to support a complete 3D animation and rendering package on its own without mainframe support. With large capacity hard drives (300MB X 2), streaming tape and Ethernet, it could be the centerpiece of an animation operation.
 
The 3130 was powerful enough to support a complete 3D animation and rendering package on its own without mainframe support. With large capacity hard drives (300MB X 2), streaming tape and Ethernet, it could be the centerpiece of an animation operation.

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