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Much of the hardware design can be traced back to the SGI IRIS 4D/3x series, which shared the same memory controller, Ethernet, SCSI, and optionally DSP as the IP12 Indigo. The 4D/30, 4D/35 and Indigo R3000 are all considered IP12 machines and run the same IRIX kernel. The Indigo R3000 is effectively a reduced cost 4D/35 without a VME bus.
SGI Indigo2 IMPACT and a promotional SGI espresso machine in an Indigo case Indigo2 IMPACT R10000 Badge for a Power Indigo2 with Extreme Graphics. The SGI Indigo2 (stylized as "Indigo 2") and the SGI Challenge M are Unix workstations which were designed and sold by SGI from 1992 to 1997. The Indigo2, codenamed "Fullhouse", is a desktop workstation.
The 4D/35 would later be cost-reduced into the IRIS Indigo, released in 1991, which was so architecturally similar to the 4D/35 that it shared the same Internal Processor ID (IP12) in software. [ 8 ] Beginning in late 1992 with the release of the Indigo² and Challenge , the 'IRIS' prefix would be dropped from the names of all future systems ...
The Silicon Graphics Indigo Elan option Graphics systems consist of four GE7 Geometry Engines capable of a combined 128 MFLOPS and one RE3 Raster Engine. Together, they are capable of rendering 180K Z-buffered, lit, Gouraud-shaded triangles per second. The framebuffer has 56 bits per pixel, causing 12-bits per pixel (dithered RGB 4/4/4) to be ...
The OpenGL++ effort would drag on and eventually be killed, and SGI then tried again with Microsoft with the similar Fahrenheit project, which also died. In 1994 SGI licensed Open Inventor to two third-party developers, Template Graphics Software (TGS) and Portable Graphics; in 1996 TGS bought Portable Graphics, making them the sole licensee.
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SGI POWER Challenge GR. The POWER Challenge was announced on 28 January 1993 [1] and was intended to compete against supercomputer companies such as Cray Research. [1] At the time of its announcement, Silicon Graphics claimed that the POWER Challenge would have the same level of performance as Cray's Cray Y-MP with a single microprocessor. [1]
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