In a recording medium, the physical characteristic information of the recording medium, and more specifically, the configuration and the moment of inertia of the disc, is recorded. A module is provided which enable selection of services required by a client from the database and assignment of parties responsible for delivering the selected services. The data in the storage device can be transmitted with a PCI Express standard transmission rate, and the host considers the storage device as a USB device instead of a pure PCI Express device. A microprocessor circuit with the body is connected with the magnet such that the switch causes the magnet to operate from one state to another state. The first set of film diodes connects to the select lines of the pixel while the second set of film diodes connects to the select lines of the pixel on the next row, which forms a configuration that the updown pixels share one select line. The set of controllable attributes is displayed in the order in at least a portion of the plurality of display positions.