A very helpful site of SGI Systems, made for the growing SGI Community. It includes many Product Guides, self written Manuals and a lot of high quality System Parts Pictures. http://www.silicon-impact.de
Marcus has the most comprehensive picture archive available. Not only does it cover almost every machine SGI have made, he also has pictures of rare promotional items or one-off custom machines. http://www.schrotthal.de/sgi/
The Unofficial SGI 320 Website will guide both new and advanced users through the minefield of intricacies that continue to plague this workstation today. http://www.leupen.com/%7eremko/sgi/