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