Importance

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Abstract

A user interface device for a PC system capable of converting user interface data transmitted from an external input device to data which can be recognized by the PC system includes an interface controller which is connected between a remote controller receiver and a system having a system BIOS program and outputs a system management interrupt (SMI) to the system when receiving data from the remote controller receiver and outputs a remote controller key code to the system in accordance with a first and a second transmission commands supplied from the system. An application program is performed by the remote controller key code supplied to the system, for thus previously applied receiver and keyboard controller can be continuously used although a function of the external input device such as the remote controller is changed.

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First Claim