{HEAD ~ A disk drive} is disclosed comprising a head actuated over a disk, and {TAIL ~ control circuitry} including a shock detector 
is disclosed comprising
{ HEAD ~ A disk drive } is disclosed comprising a head actuated over a disk , and { TAIL ~ control circuitry } including a shock detector
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH