Please give this a try (or else you may be stuck with a potentially
broken blender 2.33):

http://bebop.cns.ualberta.ca/~cwant/blender-irix-mips3-python23.gz

I should point out that blender 2.33 for irix will not have the
gamengine enabled due to the fact that solid does not compile
with the mipspro 7.3.1.3m compiler.

Chris