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