A workload on a user for selecting and arranging images used for album generation is reduced. In the method, a set of interrupt configuration data relevant to a disabled PCI peripheral device, including relevant setting values of a hardware IRQ routing, is input and compared with a PCI IRQ routing table pre-stored in a boot control unit. A belt pulley pack is mounted on each of the shafts, each belt pulley pack comprising a plurality of belt pulleys mounted adjacent to one another. Sloped sidewalls of the mesas ensure good step coverage of the conductive interconnects from the detector elements to the ROIC.