A device insertion signal is transmitted to {HEAD ~ the controller} in response to {TAIL ~ another power management event} and while the device remains installed within the socket 
A device insertion signal is transmitted to { HEAD ~ the controller } in response to { TAIL ~ another power management event } and while the device remains installed within the socket
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH