The main SGI newsgroups are in the comp.sys.sgi hierarchy:

• SGI/IRIX administration: comp.sys.sgi.admin

• SGI hardware discussions: comp.sys.sgi.hardware

• SGI/IRIX applications: comp.sys.sgi.apps

• Graphics issues: comp.sys.sgi.graphics

• Miscellaneous SGI chat/flamewars: comp.sys.sgi.misc

• Buy some SGI kit: comp.sys.sgi.marketplace

Some SGI related groups that may be of interest:

• MIPS discussions: comp.sys.mips

• Generic computer graphics discussions: comp.graphics

• The comp.unix heirarchy: comp.unix

• Zmail and friends: comp.mail.zmail

• The X heirarchy can sometimes be helpful, too: comp.windows.x

Archives of comp.sys.sgi can be found here:

• ftp://ftp.sgi.com/comp.sys.sgi/

• http://hornet.mmg.uci.edu/~hjm/projects/sgi.wais.html – currently appears to be dead :-(

Archives of comp.sys.mips can also be found at these sites:

• ftp://ftp.sgi.com/comp.sys.mips/

This is a list of other SGI related sites not covered elsewhere. All highly recommended – visit them all!

• Gerhard Lenerz’s SGI pages
  
  Gerhard has a tonne of information on his site – pictures, specs., model summaries – well worth a look.

• IrisIndigo
  
  Lots of useful info about the Indigo. I have a soft spot for these – they were the first SGI machine I ever saw and used. Still an impressive piece of kit.

• Mood Indigo forums
  
  Some very active German SGI forums. Obviously you need to be able to read German :-) or if you’re adventurous you could try the Babelfish.

• The SGI Zone
  
  Lots of useful tips and info, covering mostly Indigo2 and older kit

• Useful IRIX software
  
  Andreas Backhaus has compiled an excellent list of useful software that’ll work on IRIX. Some good audio and graphics tools. here.

• Marcus Herbert’s IRIX archive
  
  Marcus has an excellent archive of IRIX software. There’s all sorts of pre-compiled goodness here.

• Nekochan.net
  
  Not only is Pete’s site visually stunning, he also has lots of goodies on there. I can highly recommend having a look through his Gallery, at the very least.

• MicroCosmos
  
  James Holden’s new SGI related site. News, reviews – check out the File Typing Rules tutorial!

• The SGI Addict – dead :-( – was http://www.sgiaddict.net
  
  Nice looking site with a good load of information, tips, and pictures.

• Skywriter’s Big Old Nasty SGI Page
  
  There’s something lurking in his basement ….

• Never Beige – dead :-( – was http://www.orcawerks.com/sgi/
  
  Some very useful O2 info and images, as well as some good non-SGI stuff.

• Jodeman’s SGI & Stuff pages
  
  I don’t think these have been updated for a while, but a good load of links, info and images for Octane and older kit.

• Marcus Herbert’s web site
  
  This is the place to look for images of SGI and SGI-related kit. If it’s rare or bizarre Marcus will have a picture of it.

• Basquiat’s IRIX screenshots
  
  Some good images showing what you can do with Indigo Magic.

• Alex’s SGI pages
  Excellent model summaries, and a wealth of information. Very good stuff.

• Impact’s SGI Site
  Some good guides and nice pictures in the gallery.

• Simon Pigot’s SGI pages
  Lots of Crimson and Power Series information.

• Al Corda’s This Old SGI site
  Buckets of information on older machines like the 4D series, Personal IRIS, etc.

SGI has their complete publications library online – Owner’s Manuals, Man Pages, Release Notes, the lot.

The URL is http://techpubs.sgi.com.

Their Technical Publications are also available as downloadable PDFs.