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User2288 There isn't an answer to this question, Intel ME is a piece of firmware that handles device initialization. Every PC/cellphone/tablet/smart fridge ever, no matter what, always, is going to have firmware that executes hardware initialization and management.
Intel ME does a lot of functions, including power and out-of-bound management.
There just isn't an answer to the question, other than Intel ME is closed source firmware with most of its functionality unknown. Which is common and constant in most devices