A portable carrier for a data storage medium is disclosed. An accessor which
includes
an electromagnet and a fixturing assembly is disclosed. A data storage and retrieval
system which includes at least one of Applicants' carriers and at least one of
Applicants' accessors is disclosed. A method to releaseably attach Applicants'
carrier to Applicants' accessor is disclosed. A method to retrieve, transport,
and place Applicants' carrier within a data storage and retrieval system is disclosed.