I know that you must set perf("javascript.options.jit.content", false); perf("javascript.options.jit.chrome", false); in about:config because the jit emits armv7 instructions about 3 months i was successful running iceweasel (10?) on a sheevaplug with these settings. I also remember that 3.5 worked. Both were _very_ slow. -- -Shawn Landden