Silicon Graphics Iris Indigo
Photo 1: Retro-Computing Society of Rhode Island, CC BY-SA 3.0, via Wikimedia Commons (SGI-indigo-front.jpg) Photo 2: Retro-Computing Society of Rhode Island, CC BY-SA 3.0, via Wikimedia Commons (SGI-indigo-back.jpg)
Workstation, 1991, Silicon Graphics. The IRIS Indigo was SGI's first "personal" 3D workstation, a small deskside tower in a dark blue-green case announced in July 1991 with a 33 MHz MIPS R3000 processor and later the 64-bit R4000, running IRIX. With the Entry, XS and Elan graphics options it brought 3D modelling and animation to a price below US$10,000, and it was widely used in film and video production, science and CAD.
| Years | 1991 to 1994 |
|---|---|
| Processor | MIPS R3000 at 33 MHz, later R4000 at 100 MHz |
| RAM | 8 to 96 MB (384 MB on the R4000 version) |
| Graphics | Entry (LG1), XS, XS24, Elan, up to 1280 x 1024 in 24-bit colour |
| Storage | internal SCSI hard disks, optional floppy or CD-ROM |
| Operating system | IRIX 4 to 6.2 |
| Ports | 2 GIO slots, SCSI, Ethernet, 2 serial, parallel, audio in and out |
| Form factor | small deskside tower |
Documentation
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