Being update manner of un latch profile of the hard disk drive which has with the flash ROM in order update manner of un latch profile of hard disk drive and production

摘要

PROBLEM TO BE SOLVED: To provide a making and updating method of an optimum unlatch profile for a hard disk drive.;SOLUTION: This method is making and updating method of an optimum unlatch profile for a hard disk drive provided with a flash ROM for preserving and updating the unlatch profile and a buffer for preserving temporarily the unlatch profile. The method comprises a making step of the optimum unlatch profile for making the optimum unlatch profile being suitable for a intrinsic characteristic of the hard disk drive, and a unlatch profile updating step for updating the flash ROM by down-loading the optimum unlatch profile to the flash ROM.;COPYRIGHT: (C)2004,JPO&NCIPI