SGI Indigo² and Challenge M
The SGI Indigo2 (stylized as "Indigo2") and the SGI Challenge M are Unix workstations which were designed and sold by SGI from 1992 to 1997.
| Manufacturer | Silicon Graphics, Inc. |
|---|---|
| Release date | 1992 |
| Discontinued | 1997 |
| Operating system | IRIX |
| CPU | MIPS architecture |
| Memory | 16 MB – 1 GB |
| Predecessor | SGI Indigo |
| Successor | SGI Octane |
| Website | sgi |
The Indigo2, codenamed "Fullhouse", is a desktop workstation. The Challenge M is a server which differs from the Indigo2 only by a slightly differently colored and badged case, and the absence of graphics and sound hardware. Both systems are based on the MIPS processors, with EISA bus and SGI proprietary GIO64 expansion bus via a riser card.
The Indigo preceded the Indigo2, which is succeeded by the Octane.
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