{HEAD ~ A fault tolerant memory system} is disclosed which includes {TAIL ~ a main memory device}, storing data and an associated error detecting code, and a shadow memory device, storing data corresponding to the data stored in the main memory 
includes
{ HEAD ~ A fault tolerant memory system } is disclosed which includes { TAIL ~ a main memory device } , storing data and an associated error detecting code , and a shadow memory device , storing data corresponding to the data stored in the main memory
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH