Method for allocating disk drive spindle motors based on an operating characteristic

摘要

A population of disk drives includes a first disk drive configuration that has a spindle motor made according to the spindle motor design and a second disk drive configuration that has a spindle motor made according to the spindle motor design. A population of spindle motors are manufactured according to a spindle motor design. Each of the spindle motors in the population of spindle motors has a track-following characteristic in a range. A first group of spindle motors that correspond to a first portion of the range are allocated to the first disk drive configuration. A second group of spindle motors that correspond to the second portion of the range are allocated either to the second disk drive configuration or to the first disk drive configuration.