Yeah, the versions > 6.5.22 can be nice for a variety of reasons if you've got the later hardware. [I think the last one even had an almost-totally-working default DHCP config out-of-box. ;) ]
I run it on systems where I can. 6.5.22 is nice because it doesn't have dependencies on some of the harder to find later developer CDs, and it is the last version I expect a lot of the SGI hardware changing hands these days, but it is sufficient for the late SGIs too. (later versions drop Indy, Indigo2, Onyx, etc.) *anyway- If you plan on ever installing more than a couple SGIs...* Doing a* full and up-to-date *install from scratch using the CDs is a *pain* . Solution- netboot. The CDs [there are a zillion point release layer things] are in EFS format and can't be mounted on OS X or Windows. At some point I mounted them all on Linux and wrote a script that copied the /dist folders to a folder structure on an NFS share I use to do a net install. It has various mid-release CD versions for things like the Developer Libraries and NFS discs, and can do a pretty full install of both 6.5.30 and 6.5.22 for older (I2, Indy, etc.) systems. There's also some demos / application CDs, and some of the more recent SGI-built [freeware- mozilla, etc] freeware CDs. *These are all components of IRIX itself as supplied with systems over the years*, but the layered CD-based software distribution model employed by SGI is maddening. I don't have the original images- I never plan to touch an IRIX CD again. What's SGI-rackable's take? pretty sure support for these ended LONG ago- last release is 10 years old and they will not sell you IRIX, nor current or extended support. I could look into tarring this up and getting it on Archive.org. - Ian -- Ian Finder (206) 395-MIPS ian.fin...@gmail.com