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June 2017 Giveaway

Embedded Servo

A technology which increases the usable data storage capacity of a hard disk drive and eliminates the need for thermal calibration (see WFTD archive Thermal Recalibration). Servo information is used to correctly position the read/write head over the data track. Embedded servo technology intersperses the servo (location) information with user data. Spaced along the data tracks, the embedded servo information allows all platter surfaces to be used for data. Each platter has some capacity taken up by servo information, but the net result is greater storage capacity with the same number of platters, and no need for thermal recalibration.

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