Method of updating a BIOS ROM

摘要

The present invention relates to a method of updating a new BIOS image of a BIOS ROM in a portable computer in a production line. The present invention comprises the steps of: determining whether the computer system is being powered only by a battery; determining whether the battery level is above a reference level when the computer system is powered only by the battery; updating a BIOS ROM by means of a flash utility program when the computer system is powered only by the battery and the battery level is above the reference level.