| 摘要 |
Unlike conventional disk drives, a disk drive of the invention is capable of loading a plurality of different types of disks at the same time, and has the capability of protecting a disk sensitive to contamination, such as a RAM disk, from contamination. A plurality of trays are placed in a disk package which is loaded into a disk drive. Different types of disks may be placed on the respective trays. In the package, there is provided a first locking mechanism for locking all trays. This first locking mechanism can be unlocked by a manual operation. There is also provided a second locking mechanism which locks only those trays on which RAM disks or the like are placed so that the RAM disks are prevented from being taken out. In the main unit of the disk drive, there is provided an unlocking member for unlocking both the first and second locking mechanisms.
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