초록 ▼

A serial port switching circuit includes an input/output controller contained in a computer system, the input/output controller including first and second serial ports for performing serial data communication with external equipment, first and second connectors connected to the external equipment, a

A serial port switching circuit includes an input/output controller contained in a computer system, the input/output controller including first and second serial ports for performing serial data communication with external equipment, first and second connectors connected to the external equipment, and a switching arrangement connected between the first and second serial ports of the input/output controller and the first and second connectors, for selectively connecting the first and second serial ports to the first and second connectors in response to a control signal being applied according to a user's selection to allow the input/output controller to perform the serial data communication with the external equipment. According to the present invention, the user can simply switch the connections between the first and second serial ports of the input/output controller and the first and second connectors.

대표청구항 ▼

[ What is claimed is:] [1.] A serial port switching circuit comprising:an input/output controller contained in a computer system, said input/output controller including first and second serial ports for performing serial data communication with external equipment;first and second connectors, said fi

[ What is claimed is:] [1.] A serial port switching circuit comprising:an input/output controller contained in a computer system, said input/output controller including first and second serial ports for performing serial data communication with external equipment;first and second connectors, said first and second connectors being connected to corresponding mating connectors on said external equipment; anda switching arrangement connected between said first and second serial ports of said input/output controller and said first and second connectors, for selectively connecting said first and second serial ports to said first and second connectors in response to a control signal to allow said input/output controller to perform the serial data communication with said external equipment.