A memory agent may include a first port and a second port, wherein the memory agent is capable of detecting the presence of another memory agent on the second port. A method may include performing a presence detect operation on a first port of a memory agent, and reporting the results of the presence...http://www.google.es/patents/US7194581?utm_source=gb-gplus-sharePatente US7194581 - Memory channel with hot add/remove
