Linked by Eugenia Loli on Fri 26th Nov 2004 19:57 UTC, submitted by Dave Finger
SGI and IRIX The company is Silicon Graphics Incorporated, or SGI, which once was famous for its high-powered graphics and 3-D workstations but has fallen on hard times of late. SGI now focuses on supercomputers, but there's a tiny coterie of fans dedicated to keeping the company's aging but high-powered workstations alive. On a similar note, the every-three-months maintaince release of Irix is 3 months late.
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Re: obtaining Irix?
by dpi on Sat 27th Nov 2004 20:27 UTC

"If I bought a machine, say, off of Ebay, how should I obtain Irix? Once I've got Irix, what about security patches?"

Some machines come with IRIX pre-installed, some with CDs, some nothing. If not or if unsure, ask for that. IRIX is also sold via eBay and via various individuals, corporations. Price depends on how new the version is. Lower than 6.5 are usually cheap. What version you need or will work depends on the SGI machine so do yourself a favor and search what machine you actually want, see what'll run on it, or arrange you get IRIX with the machine (excellent website about this: and click on SGI). You can download newest 6.5 overlay maintenance releases from, thats free. Maintenance basically means security + reliability only, not features. Only maintenance releases of 1+ year old are available.

Consider buying a CDROM drive with it (if applicable) it'll be a tad easier to install IRIX with that than with TFTP / BOOTP. Consider buying a support contract if this is all very important to you.

Also see above mentioned site (UK though),,, Usenet sgi archives. Given you're not from near Germany i ommit naming those sites.