Definition: Disk Drive Controller


The hard disk drive controller electronics which include the disk controller and the interface controller. (See also disk controller and interface controller.)




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Data Recovery Fact

Shock damage

Shock to a hard drive may cause the platters to become displaced, or damage to heads or the magnetic coating of the platters. Dropping a hard drive may also damage the mechanics within the drive such as the motor. As a consequence, the drive is unable to position the heads correctly along the recorded signals. A shock may later lead to a head crash.

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