Abstract: A hard disk drive (HDD) adapter includes a first connector, a second connector, and a signal reproduction circuit. The first connector is electrically connected to a motherboard of a computer server. The second connector is electrically connected to a number of hard disk drive (HDD) drives. The signal reproduction circuit is electrically connected to the first connector and the second connector, and reproduces a signal from the motherboard into a number of signals provided to the HDD drives.

Abstract: A serial advanced technology attachment (SATA) DIMM includes a board body. A control chip and a power circuit are set on the board body. An edge connector is set on a side of the board body and inserted into a memory slot of a motherboard. The edge connector includes a number of power pins, a number of ground pins, and a number of signal pins. The power pins are connected to the power circuit. The signal pins are connected to the control chip.

Abstract: A debug card includes a connector, a driving circuit, a switching circuit, and a testing circuit. The connector is connected to an expansion slot of a motherboard. The switching circuit is connected between the connector and the testing circuit to select data channels between the connector and the testing circuit through a low level signal or a high level signal received by a ground pin of the connector. The driving circuit is connected to the connector, the switching circuit, and the testing circuit, to provide voltages to the switching circuit and the testing circuit through the connector and the expansion slot.

Abstract: The power supply circuit which includes a first power circuit, a second power circuit, and a third power circuit is used for supplying power to loads. The first power circuit is connected between a control terminal of a control circuit and the load, and includes a switching unit including a first terminal, a second terminal, and a switching terminal controlling connection and disconnection between the first terminal and the second terminal The first terminal is connected to a power source, the second terminal is connected to the load, and the switching terminal is connected to the control terminal. The second power circuit and the third power circuit further includes a delay circuit relative to the first power circuit, the delay circuit is connected between the control terminal and the switching terminal, a delay time of the third power circuit is greater than the delay time of the second power circuit.

Abstract: A checking circuit for a serial port connector includes a first inverter, a second inverter, a third inverter, and a first light emitting diode (LED) and a second LED with different colors. An input of the first inverter is connected to a transmitted data pin of the serial port connector. An output of the first inverter is connected to an anode of the first LED. An input of the second inverter is connected to the transmitted data pin of the serial port connector. An output of the second inverter is connected to an input of the third inverter. An output of the third inverter is connected to an anode of the second LED. Cathodes of the first and second LEDs are grounded.

Abstract: A current test system for a hard disk drive includes an adapter board, a test device, two cables and two current clamps. The hard disk drive is connected to the test device through the adapter board. The two cables are connected to two power routes of the adapter board, respectively. While the test device tests the hard disk drive through the adapter board, the two current clamps respectively clamp the two cables to determine the current through the two power routes.

Abstract: A mounting apparatus that can be used to selectively mount a first type of data storage device or a second type of data storage device includes a bracket, and a circuit board mounted to the bracket. The bracket includes a rear board defining an opening. The circuit board includes a first side surface, and a second side surface opposite to the first side surface. A port protrudes from the second side surface, to extend through the opening to be exposed out of the bracket. A first connector or a second connector is selectively set on the first side surface of the circuit board, to be electrically connected to the port and the first type of data storage device or the second type of data storage device.

Abstract: A passive current balance driving apparatus has a circuit topology composed by several simple passive components and is capable of driving a plurality of LED strings simultaneously. The present passive current balance driving apparatus is mainly configured such that each LED string has the identical load characteristics during the positive and negative half cycles of the AC power. As such, the currents flowing through the respective LED strings are basically/substantially equal, thereby achieving the current balance.

Abstract: An XOR circuit, a RAID device which can recover several failures and method thereof are provided. A Galois field data recovery circuit having two or more sets of Galois Field engine circuits which are used in the XOR circuit, is one which can generate high efficient parity engine and high efficient flow data route and which at the same time correct the three or more failures during operation of the RAID device.

Abstract: A laser adjustment apparatus includes a housing. A first cutout which has a through hole defined therein is formed in the housing. The first cutout is semi-spherical. Two screw holes are respectively defined in two sides of the housing. A holder is received in the housing. The holder has a second cutout formed therein and engaged with the first cutout. The second cutout has a semi-spherical shape. A laser module includes a light emitting portion and a tubular body connected thereto. The light emitting portion is received in the first and the second cutouts. A first and a second adjusting units are respectively passing through the two screw holes in the housing. The first and the second adjusting unit respectively perpendicularly abut against the tubular body of the laser module. A projecting angle of the laser module is adjusted by adjusting the first and the second adjusting unit.

Abstract: A light-emitting device driven by an inertial power includes an inertial module, a magnetic element, a magnetic-conductive element, at least one wire, and a light-emitting module. Under an inertial effect, the inertial module drives the magnetic element to rotate, such that a magnetic field generated by the magnetic-conductive element changes due to the rotation of the magnetic element. Moreover, the wire wound around the magnetic-conductive element generates a drive current in response to the changing of the magnetic field, so as to drive the light-emitting module to emit a light. As such, the magnetic field is changed under an inertial power, so as to generate a drive current for driving the light-emitting module, thereby achieving, a renewable energy source, environmental protection, and power-saving purposes.

Abstract: An XOR circuit, a RAID device which can recover several failures and method thereof are provided. A Galois field data recovery circuit having two or more sets of Galois Field engine circuits which are used in the XOR circuit, is one which can generate high efficient parity engine and high efficient flow data route and which at the same time correct the three or more failures during operation of the RAID device.

Abstract: A transformer structure includes an iron core set, a main bobbin, and two sub-bobbins. The main bobbin includes a primary winding area for winding a first coil, a main bobbin through hole longitudinally mounted in and penetrating through the main bobbin, and two assembling troughs respectively formed at two ends of the main bobbin through hole. The two sub-bobbins are respectively accommodated in the two assembling troughs and respectively include a secondary winding area for winding a second coil and a sub-bobbin through hole communicated with the main bobbin through hole for penetrating the iron core set. Therefore, the sub-bobbins are mounted in two extended assembling troughs of the main bobbin, the first coil is wound on the primary winding area at the outer side of the main bobbin, and the first coil is separated from the second coils not only by horizontal distance but also by the assembling troughs.

Abstract: A centralized managing system for an industrial data storage is provided. The centralized managing system includes at least one industrial apparatus outputting a first interface datum; at least one serial converting interface connected with the industrial device, and converting the first interface datum into a second interface datum; a hub device connected with the at least one serial converting interface, and receiving and transmitting the second interface datum; and at least one storage device connected with the hub device, and storing the second interface datum.

Abstract: An XOR circuit, a RAID device which can recover several failures and method thereof are provided. A Galois field data recovery circuit having two or more sets of Galois Field engine circuits which are used in the XOR circuit, is one which can generate high efficient parity engine and high efficient flow data route and which at the same time correct the three or more failures during operation of the RAID device.

Abstract: A data protection system and method apply to a computer device. The computer device links to a data protection system. The data protection system contains or links to at least two storage units. The data protection method partitions all the storage units into two blocks, and one block functions as an active memory zone, and another block functions as a backup memory zone. In each cycle of data backup, a portion of the operating storage units are backuped to the storage units in the backup memory zone. Then, the role of the storage units that have been backuped and the role of the storage units that have backuped data interchange with the active memory zone and the backup memory zone respectively having original numbers of the storage units. When one storage unit malfunctions, data can be retrieved from another storage unit and written back to the malfunctioning storage unit. In the present invention, the storage units alternately backup data.

Abstract: An inspecting method and an inspecting equipment including a dividing unit, a determining unit, a transferring unit and an inspecting unit for inspecting a disk are provided. The inspecting method includes the following steps. First, a plane is divided into several zones with equal area. Next, several measuring locations are determined within these zones. Next, these measuring locations are transferred into several sets of measuring locations corresponding to the disk through a coordinate transfer. Then, the disk is inspected according to these sets of measuring locations.

Abstract: The present invention discloses a job-based structure using a process as a data processing and transmission unit. The structure includes a main system, and a disk array system. The main system includes an interface controller connected to the disk array system. The disk array system includes a job queue controller, a PRD table controller, a DMA controller and a storage device connected through a DMA bus. The DMA controller executes an instruction transmitted through the interface controller according to a request of the main system, and the instruction is decomposed into a number of processes for the job queue controller to access a storage device sequentially. The accessed data is transmitted to the job queue controller in terms of processes and responded to the main system sequential. Therefore the invention can improve the processing efficiency of the main system.

Abstract: A light-emitting device driven by an inertial power includes an inertial module, a magnetic element, a magnetic-conductive element, at least one wire, and a light-emitting module. Under an inertial effect, the inertial module drives the magnetic element to rotate, such that a magnetic field generated by the magnetic-conductive element changes due to the rotation of the magnetic element. Moreover, the wire wound around the magnetic-conductive element generates a drive current in response to the changing of the magnetic field, so as to drive the light-emitting module to emit a light. As such, the magnetic field is changed under an inertial power, so as to generate a drive current for driving the light-emitting module, thereby achieving, a renewable energy source, environmental protection, and power-saving purposes.

Abstract: The present invention discloses a microdisk array apparatus using semiconductor automated equipment, and the apparatus is installed into a space of a 3.5-inch IDE hard disk of the semiconductor equipment to substitute the hard disk directly. The apparatus includes a frame, and the frame has a connecting interface, a disk array controller and storage devices. During use, the semiconductor equipment stores, reads, updates and copies data with the storage devices through the connecting interface and the disk array controller. The storage device can be a 2.5-inch IDE hard disk or solid state disk. Since the IDE hard disk becomes a mainstream storage device of the semiconductor equipment, and the solid state disk has the quiet, fast, compact and long-life features, the apparatus is compatible to the storage devices of these two specifications, so as to provide better data storage and backup.