Information processor with disk device, disk device and disk tray

摘要

An information processing system comprising a disk device is provided which is capable of placing a disk on a disk tray easily both when the system is set horizontally and when the system is set vertically. This system is provided with a disk device having a disk tray for placing a disk type recording medium therein, and a recording medium reproducing portion for drawing thereinto the disk tray on which said recording medium is mounted and reproducing said recording medium. The disk tray has a recess used to place the recording medium therein and having a circular outer circumference, and a reception member projecting from the outer circumference of the recess in the inward direction so as to retain an edge portion of the recording medium. The edge of the reception member extends curvilinearly along the outer circumference of the recess.