| 摘要 |
A magnetic disk drive has a disk cartridge and a driving device. A disk cartridge is an apparatus which has at least a disk and a head in a sealed case, but has no current supply source to drive them and has no controller to control them. A driving device is an apparatus which has the current supply source and/or the controller. The disk cartridge can be easily connected to and disconnected from the driving device. The connection and disconnection are achieved by connectors of the disk cartridge and the driving device. The connector of the disk cartridge and/or the driving device has a movable cover thereon, and because of the cover, the connector is uncovered when the disk cartridge is connected to the driving device, and is covered when the disk cartridge is disconnected from the driving device.
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