| 摘要 |
A method for upgrading a BIOS using serial communication is provided. In the method, it is possible to collectively upgrade the BIOS's of a plurality of computers using serial communication without using a floppy disk. The method includes the steps of: at a host computer, transferring predetermined BIOS upgrade software and BIOS image data corresponding to a computer to the computer through a selector using serial communication when the computer connected to the host computer through the selector requests the BIOS to be upgraded; and, at the computer which requested the BIOS to be upgraded, upgrading the BIOS by removing the existing BIOS stored in a BIOS ROM and writing the BIOS image data into the BIOS ROM by executing the received BIOS upgrade software. According to the present invention, it is possible to save time in upgrading the BIOS and to collectively upgrade the BIOS's of a plurality of computers.
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