A device removable signal is transmitted to {HEAD ~ a controller} for the device in {TAIL ~ response} to a power management event and while the device is installed within a socket of the computer 
A device removable signal is transmitted to { HEAD ~ a controller } for the device in { TAIL ~ response } to a power management event and while the device is installed within a socket of the computer
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH