He did not, however, run the full Intellect program in the incomplete assembly. For one thing, it wasn't necessary; Prime Intellect wasn't just "a" program, but a constellation of over four thousand programs, some of which would be running simultaneously in thousands of processors. Each was more than capable of doing its job without the full cooperation of the entire organism, just as a nerve cell can function in Petri dish as long as it is supplied with nutrients.