Transferring data without completing a boot process

摘要

A computer system including a power supply; a connector to be connected with a detachable storage medium; an auxiliary memory; a selection input part to generate a storage function processing signal to store data of the storage medium to the auxiliary memory according to an operation of a user; a an essential basic input/output system storage to store a basic input/output system command for a basic operation of the storage medium and the auxiliary memory; an OS storage to store an essential operating system and a storage function command required to process the storage function; and a controller to control the power supply to supply electric power to the auxiliary memory and to perform the BIOS command in the BIOS storage and the OS and the storage function command in the OS storage, so that the storage function is performed based on the data of the storage medium, according to the storage function processing signal from the selection input part.