Patent ID: 6175919
Filing Date: 2001-01-16
Classification: G06F

Abstract:
In a method for upgrading a BIOS using serial communication between a host computer and a served computer connected to said host computer, comprising the steps of:(1) at the served computer, requesting the BIOS to be upgraded;(2) at the host computer, transferring predetermined BIOS upgrade software and BIOS image data to said served computer using serial communication when said served computer requests the BIOS to be upgraded; and(3) at said served computer, upgrading the BIOS by removing the existing BIOS stored in a BIOS read-only memory ROM and writing said BIOS image data into said BIOS ROM by executing the transferred BIOS upgrade software;the improvement comprising:(a) in the second step in which BIOS upgrade software is transferred, obtaining a model identification of the served computer requesting the BIOS to be upgraded and transferring BIOS upgrade software and BIOS image data to said served computer in accordance with said model identification; and(b) in the third step in which the BIOS is upgraded when upgrade is requested transferring said model identification to the host computer.