| 摘要 |
<p>A method of controlling an actuator (150) in a disc drive (100) to perform a seek operation prior to a read operation is disclosed. A radial distance between the initial track (305) and the target track (315) is determined. A rotational distance between the initial head rotational position and the target rotational position is also determined. The performance benefit to be gained by reading pre-fetch and post-fetch data is evaluated. Then a seek velocity profile is selected based on the evaluation. The actuator (150) then is controlled using the selected seek profile. A disc drive (100) for implementing this method is also provided.</p> |
