Patent ID: 7677898

Claim:
A patch panel operable to a motherboard comprising an I/O controller hub (ICH), a high definition multimedia interface (HDMI), a graphic and memory controller hub (GMCH), and a peripheral component interconnect express (PCI-E) X16 slot, the patch panel comprising a printed circuit board having first to twenty-sixth signal terminals defined on a first side thereof and twenty-seventh to fiftieth signal terminals defined on a second side thereof, wherein the first to thirteenth signal terminals are connected to the twentieth, twenty-fifth, twenty-sixth, twenty-third, twenty-fourth, eighteenth, nineteenth, seventeenth, sixteenth, fifteenth, fourteenth, twenty-first, and twenty-second signal terminals respectively, the twenty-seventh to thirty-eighth signal terminals are connected to the forty-eighth, forty-seventh, fiftieth, forty-ninth, forty-sixth, forty-fifth, forty-third, forty-fourth, thirty-ninth, fortieth, forty-first, and forty-second signal terminals respectively, wherein when the first side of the printed circuit board is mounted on the motherboard, the second to the fifth signal terminals are connected to two pairs of PCI-E X1 differential signal terminals of the ICH, the first signal terminal is connected to an interface terminal of the HDMI, the sixth to the thirteenth signal terminals are connected to four pairs of differential signal terminals of the HDMI, the fourth to the nineteenth, twenty-first, and twenty-second signal terminals are connected to four pairs of differential signal terminals of the GMCH, the twentieth signal terminal is connected to one of another differential signal terminal of the GMCH, and the twenty-third to the twenty-sixth signal terminals are connected to two pairs of differential signal terminals of the PCI-E X16 slot, so that the GMCH is connected to the HDMI and concurrently the ICH is connected to the PCI-E X16 slot; wherein when the second side of the printed circuit board is mounted on the motherboard, the twenty-seventh to the thirty-eighth signal terminals are connected to six pairs of differential signal terminals of the GMCH, and the thirty-ninth to the fiftieth signal terminals are connected to six pairs of differential signal terminals of the PCI-E X16 slot, so that the GMCH is connected to the PCI-E X16 slot.