Data processing apparatus, data processing method and data recording medium on which a data processing program that can be read by a computer is recorded

摘要

A drive D that is used by being connected via a serial bus to a personal computer PC that starts an ID process for identifying the drive D when the serial is initialized, and which comprises: a connection-detection unit 9 for detecting whether or not the drive D is connected to the personal computer PC via the serial bus; a mount-detection unit 7 for detecting whether or not a CD-ROM1 is mounted in the drive D while the connection is established, and a bus-reset unit 8 for resetting the serial bus B after the CD-ROM1 is mounted.