[sbaiddn]

You know, there's an after-market upgrade to 700 Mhz (and 4 Mb cache?) for lower speced O2 without using expensive SGI parts. Kinda hacky, but it seems to work.

If you google it you'll see what it is. I dont have an O2 so I dont remember the details.

EDIT:

http://www.sgidepot.co.uk/o2cpumod.html