Abstract: A backplane testing system is provided. Based on the connection relationship and signal transfer relationship of a differential signal transceiver, a backplane and a loop device, the differential signal transceiver generates a set of pseudo random binary sequence (PRBS) as a differential signal, and sends the differential signal and receives the returned differential signal, and then determines whether the differential signals sent and received are the same; and the differential signal transceiver generates a test signal that conforms to the IEEE-1149.6 boundary scan test standard, and sends the test signal and receives the returned test signal through a second positive differential signal circuit and a second negative differential signal circuit, and then determines whether the test signals sent and received through the second positive differential signal circuit are the same and whether the test signals sent and received through the second negative differential signal circuit are the same.
Abstract: An antenna structure includes a curved base and a plurality of multi-input multi-output (MIMO) antenna cell. The curved base has a convex curved surface. The MIMO antenna cells are uniformly and movably located on the convex curved surface. Each of the MIMO antenna cells has receiving units and transmission units.
Abstract: The disclosure provides a centrifugal fan structure. The centrifugal fan structure includes a top case, a body, a fan, and a muffler pipe. The top case includes an air inlet. The body includes a sidewall, a tongue part, and a bottom case. The sidewall and the tongue part are disposed on the bottom case. The sidewall includes an opening. The fan is disposed in the body, and includes a shaft and a plurality of fan blades connected to the shaft. The muffler pipe is disposed on the sidewall, and the opening of the muffler pipe is corresponding to the opening of the sidewall. The length of the muffler pipe is proportional to the wavelength of the blade passing frequency of the fan.
Abstract: A read/write method and a read/write system for a FRU are provided. The read method for the FRU comprises: a chassis management module identifying an embedded processor connected to the FRU according to an ID of the FRU inputted by a user; the chassis management module transferring the ID of the FRU and a command for reading and writing the FRU to the embedded processor connected to the FRU through a serial port; the embedded processor reading the FRU and sending a reading result to the chassis management module when identifying a type of the command as read. By the present invention, a user would complete a refresh for a FRU by inputting contents in form of a string into each field to be refreshed. Moreover, the duration of refreshing a single FRU is within 30 seconds and a fast refresh for a Node FRU is achieved.
Abstract: A method for switching basic input/output system (BIOS) interface, adapted to a basic input/output system (BIOS) having a complex module and a simplified module and executed by an electronic device, comprising entering a BIOS and displaying the simplified module on the BIOS interface, determining by the electronic device whether a hotkey is triggered, determining by the electronic device whether the hotkey is a first hotkey corresponding to the complex module when the hotkey is triggered, and hiding the simplified module and displaying the complex module on the BIOS interface when the hotkey is the first hotkey.
Abstract: The disclosure provides a cage assembly including a cage body and a baffle. The cage body includes a rear portion, a first plate portion, a second plate portion, and a third plate portion. The first plate portion, the second plate portion and the third plate portion are respectively connected to different sides of the rear portion. The third plate portion is located between and connected to the first plate portion and the second plate portion. The rear portion, the first plate portion, the second plate portion and the third plate portion together form an accommodation space therebetween for accommodating a riser card and an expansion card. The first plate portion includes a vent hole connected to the accommodation space. The baffle is configured to be pivoted with respect to the cage body so as to adjust an area of orthogonal projection of the baffle projected on the vent hole.
Abstract: The disclosure provides an adjustable fixing assembly. The adjustable fixing assembly includes a base plate and a cover plate. The cover plate includes a plate portion and a protrusion portion protruding from the plate portion. The cover plate includes a first installation position and a second installation position. When the cover plate is in the first installation position, the protrusion portion extends away from the base plate, and the cover plate is spaced apart from the base plate by a first minimum distance. When the cover plate is in the second installation position, the protrusion portion extends towards the base plate, and the cover plate is spaced apart from the base plate by a second minimum distance, where the second minimum distance is smaller than the first minimum distance.
Abstract: A method for manufacturing an electronic device is disclosed. In the method, a first shell and a second shell are formed. The first shell and the second shell are assembled with each other to form a casing for receiving an electronic module. The two opposite ends of the casing respectively have a first opening and a second opening. The first opening and the second opening are aligned with each other along an extending direction. A seam is located at an outer surface of the casing and between the first shell and the second shell. A paint level is formed on the outer surface of the casing to cover the seam. The casing is moved toward a water transferring film along the extending direction which is vertical to the water transferring film for connecting the water transferring film with the paint level.
Abstract: A power control device comprises the following elements. An input assembly has a switch and is electrically connected to a first actuator, and generates a trigger signal according to a state of the switch or a control signal inputted from the first actuator. A calculating assembly is electrically connected to the input assembly and outputs a first signal from a control output terminal and a second signal from a feedback output terminal when the calculating assembly receives the trigger signal. An output assembly is electrically connected to the control output terminal of the calculating assembly for receiving the first signal and changes a power-on/off state of a controlled device when a voltage level of the first signal changes. A feedback assembly is electrically connected to the feedback output terminal of the calculating assembly and outputs a feedback signal to the first actuator according to the second signal.
Abstract: The present disclosure provides a cooling fan and a heat dissipating module including the same. The cooling fan includes a base, a tube, a bearing, a stator, a rotor, and fan blades. The base includes a base convex structure. Each of the fan blades includes a first concave structure. When the cooling fan is working, the base convex structure pass through the first concave structure on each of the fan blades. The base convex structure and the first concave structure not only increase the heat exchange area of the base but break the thermal boundary layer on the base repeatedly to improve the heat dissipating effect when the cooling fan is working.
Abstract: A power supplying and image processing system adapted to a camera comprises a boost converter, an Ethernet power circuit, a signal conversion circuit, and a host. The boost converter receives an input power to boost and output thereof. The Ethernet power circuit receives the boosted power to output a DC device power to the camera, and forwards an image signal captured by the camera. The signal conversion circuit has a first interface and a second interface with different types, receives the image signal through the electrical connection between the first interface and the Ethernet power circuit, and converts a format of the image signal. The host obtains the format-converted image signal to perform an AI operation to generate a control signal to control operations of the camera or to show an image corresponding to the format-converted image signal the on a display device.
Abstract: A fan control circuit comprises: a fan controller connected with at least one fan connector, connected with a baseboard management controller (BMC) via integrated circuit bus communication lines and outputting a BMC fan signal wherein said fan controller is powered by a main power supply, and a baseboard status detection circuit connected with the BMC and the fan controller respectively, detecting a heartbeat signal of the BMC, and controlling an output of a fan pulse signal according to the heartbeat signal so as to control a fan connected with the fan controller to operate normally.
Abstract: A method of determining a hard disk operation status is for determining an operation status of an electronic device which comprises a SGPIO port and a hard disk. The method comprises receiving an operation status raw signal of the hard disk through the SGPIO port, determining whether receiving a previous operation status raw signal of the hard disk has been performed before an operational period before receiving the operation status raw signal, generating an operation status adjusted signal according to the operation status raw signal of the hard disk and an enabled status signal of the SGPIO port when determining that receiving the previous operation status raw signal has not been performed before an operational period before receiving the operation status raw signal, and performing a delay procedure on the operation status adjusted signal according to a preset time interval to generate and output an operation status determined signal.
Abstract: This disclosure relates to a pallet includes a first board, a second board, a first elastic component and a second elastic component. The first elastic component and the second elastic component are disposed between the first board and the second board, and the second elastic component is closer to an edge of the second board than the first elastic component. The second elastic component has a density higher than that of the first elastic component.
Abstract: The present disclosure provides a temperature-sensing device and a server, with the server including a chassis and a mainboard. A temperature-sensitive element is disposed at an inlet of the chassis, and the temperature-sensitive element is used for converting a temperature sensed in the inlet of the chassis to a temperature sensing data. The mainboard is disposed in the chassis and includes a temperature sensor and a host. An external temperature-sensing channel of the temperature sensor is communicatively connected to the temperature-sensitive element for transferring the temperature sensing data to the host. The function of sensing the temperature in the inlet of the chassis of the server can be implemented by the temperature sensing device and the server disclosed in the present disclosure, which reducing the product manufacturing costs. There is no need to test I2C signals on a temperature-sensor board, which reducing labor costs.
Abstract: A method and a device for generating boundary-scan interconnection lines are disclosed. In the method, the boundary scan test model is established according to boundary scan components and intermediate components on least one test card and a unit under test (UUT) board, and connection relationships therebetween; the boundary scan nets of the boundary scan test model are constructed; the boundary scan paths of each boundary scan net are generated, and a path establishment condition of each boundary scan path is obtained; and the boundary scan paths are filtered and integrated, and the filtered and integrated boundary scan paths are divided according to the path establishment conditions of filtered and integrated boundary scan paths, into subtests which each has at least one boundary-scan interconnection line. As a result, the accuracy and high coverage of a path search operation can be guaranteed.
Abstract: A batch testing system includes a test device, a plurality of machines to be tested and a server. The test device writes a BIOS with a RMT test to each machine to be tested, and starts each machine to be tested to run the RMT test, and then each machine to be tested writes a test result to a specific storage location in a baseboard management controller thereof. When entering an operating system, each machine to be tested reads and analyzes the test result at the specific storage location to output an analysis result, and then transmits the analysis result to the server through a network. The server receives and counts the analysis results transmitted by the machines to be tested. Therefore, the batch testing system can deploy the RMT test, and no intervention from operators is required in the whole process, which is suitable for the production testing stage.
Abstract: A test method for testing a built-in memory in a computer device includes the following operations. The built-in memory is tested by a test function of a basic input/output system (BIOS) in the computer device to create a data file. An analysis application is performed by a test device to analyze the data file. According to analyzing the data file, an abnormal memory chip is determined whether to exist in the built-in memory. The data file includes test data of memory chips in the built-in memory.
Abstract: An electronic device comprises a housing, and a fan connection member. The housing comprises a bottom plate having a motherboard mounting area. The fan connection member is disposed on the bottom plate, and an orthogonal projection of the fan connection member onto the bottom plate partially overlaps with the motherboard mounting area. The fan connection member includes a fan base and a fan seat pivoted on the fan base. The orthogonal projection of the fan connection member has a first overlap area on the motherboard mounting area at a working state of the fan connection member. The orthogonal projection of the fan connection member has a second overlap area on the motherboard mounting area at a maintenance state of the fan connecting member. The first overlap area is larger than the second overlap area.
Abstract: A navigation method for the visually impaired includes the following steps. After obtaining construction information and/or real-time traffic information, a server can transmit the construction information and/or real-time traffic information according to a geographical location. Each traffic condition information transmission device can receive the construction information and/or the real-time traffic information corresponding to a location thereof and forward the construction information and/or the real-time traffic information. A mobile device can modify a navigation route after receiving the construction information and/or the real-time traffic information transmitted from any traffic information transmission device on the navigation route, and the mobile device can convert the construction information and/or the real-time traffic information into a speech message and convert the modified navigation route into a real-time speech guiding message.