The present invention relates to an apparatus and method for implementing a second serial hard disk drive using the PCI Express card interface of a notebook computer. According to the present invention, a second serial hard disk drive is mounted on a PCI express card interface and drive control of the second serial hard disk drive is performed. In this case, a dedicated controller for driving the second serial hard disk drive is separately installed between the PCI express card interface and the second serial hard disk drive. The present invention uses the serial hard disk drive, there is an effect that can process data at a higher speed than the conventional PATA hard disk drive.;Notebook Computers, PCI Express Card Interface, PATA HDD, SATA HDD
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