Patent ID: 8451485

Claim:
A data writing device, comprising: a plurality of connection slots to which a plurality of external storage devices are detachably attachable; an acceptance unit configured to accept a writing command inputted to the data writing device through a user operation and to accept a user specification of a number of copies associated with the writing command; a processor; and memory storing computer readable instructions that, when executed, cause the data writing device to: determine whether one or more of the plurality of connection slots has been set with a slot-specific setting condition different from the number of copies; write data to a plurality of external storage devices attached to the plurality of connection slots in accordance with the specified number of copies and in response to acceptance of the writing command by the acceptance unit, wherein the specified number of copies is interpreted to control writing of the data in a first manner upon determining that one or more of the plurality of connection slots has been set with the slot-specific setting condition, and wherein the specified number of copies is interpreted to control writing of the data in a second manner, different from the first manner, upon determining none of the plurality of connection slots has been set with the slot-specific setting condition.