Thanks for the clarification!
But one question remains: how does the EC control stuff like the bluetooth radio and webcams? They're USB devices to the OS, so in theory there should be a USB hub inside the EC?
But one question remains: how does the EC control stuff like the bluetooth radio and webcams? They're USB devices to the OS, so in theory there should be a USB hub inside the EC?
edit to add: some Intel south bridges have integrated EC which makes things a little uncertain.