1. A computing system, comprising: a) a main system bus that remains active while said computing system operates within a non main CPU/OS based operational state; b) a controller that operates functional tasks while said computing system is within said non main CPU/OS based operational state, said controller coupled to said main system bus; and, c) an I/O unit coupled to said main system bus that remains active while said computing system operates within said non main CPU/OS based operational state.