Patent ID: 7716503
Filing Date: 2010-05-11
Classification: G06F

Abstract:
1. An extension card incorporating a power management device, which is applicable to an electronic device comprising a housing body, a top cover for covering the housing body, a motherboard accommodated in the housing body, an assisting fixing device, and a power supplier electrically connected with the motherboard for supplying electric power to the electronic device, in which the motherboard has a connecting port for insertion of the extension card, and the power management device of the extension card, upon detection of a removal of the top cover from the housing, transmits a power-off signal to the motherboard to disable the power supply to further supply the electric power to the electronic device, the extension card incorporating the power management device being characterized in that: the assisting fixing device is disposed on top of the extension card and one end of the assisting fixing device is fixedly posited on the housing body by coupling members, thereby securing the extension card on the connecting port of the motherboard, and a plurality of signal pins are disposed on a side of the power management device and electrically connected to a plurality of idle pins of the extension card, the idle pins conveying no signals processed by the extension card but transmitting the power-off signal to the motherboard when electrically connected to the connecting port of the motherboard.