An insertion advisory signal is transmitted from {HEAD ~ the controller} to {TAIL ~ the device driver} for the PCMCIA device in response to the device insertion signal 
An insertion advisory signal is transmitted from { HEAD ~ the controller } to { TAIL ~ the device driver } for the PCMCIA device in response to the device insertion signal
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH