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IRIX 6.3 was released for the SGI O2 workstation only. [7] IRIX 6.4 improved multiprocessor scalability for the Octane, Origin 2000, and Onyx2 systems. The Origin 2000 and Onyx2 IRIX 6.4 was marketed as "Cellular IRIX", although it only incorporates some features from the original Cellular IRIX distributed operating system project. [9] [10]
The SGI Octane with IMPACT-class graphics was first supported by IRIX version 6.4. VPro-class graphics have been supported since IRIX version 6.5.10 for V6 and V8, with V10 and V12 graphics supported as of 6.5.11 (or 6.5.10 with a special driver patch). Linux and OpenBSD have had support.
These systems ran the IRIX 6.5 Advanced Server Environment operating system. Entry-level variants of these systems based on the same architecture but with a different hardware implementation are known as the Origin 300 and Onyx 300.
Onyx2, codenamed Kego, is a family of visualization systems. It was developed and manufactured by SGI, and introduced in 1996 to succeed the Onyx.Onyx2 architecture is based on Origin 2000 server plus graphics hardware.
IRIX Interactive Desktop has two primary components: the System Manager and the Toolchest. The System Manager is the main utility for desktop and system configuration. The Toolchest is a menu (normally located on the desktop) that shows which applications are installed on a particular Silicon Graphics workstation.
The Indigo was designed to run IRIX, SGI's version of Unix. [2] The Indigos with R3000 processors are supported up to IRIX version 5.3, and Indigo equipped with an R4000 or R4400 processor can run up to IRIX 6.5.22. Additionally, the free Unix-like operating system NetBSD has support for both the IP12 and IP20 Indigos as part of the sgimips ...
The Fuel usually shipped with 10,000 rpm SCSI disks, but it can take good advantage of 15,000 rpm models, with sustained bandwidths up to three times faster than is possible with Octane2's internal UW bus. The Fuel was also the first SGI system to support USB devices in IRIX, although audio and HID USB devices were the only ones supported.
IRIX is (and always has been) SVR4 (System 5 Release 4) with BSD extensions (namely networking and some other bits and pieces). From SGI.com: The IRIX® operating system is the leading technical high-performance 64-bit operating system based on industry-standard UNIX®.