Abstract: Systems and methods for controlling power supply of a computing system (e.g., server) are provided. The disclosed system may include one or more processors. The one or more processor may include a first group of processors coupled to a first circuit board, and a second group of processors coupled to a second circuit board. The disclosed system may further include: a controller, a first programmable logic device coupled to the first circuit board, a first power supply coupled to the second circuit board, a second power supply coupled to the second circuit board, and a second programmable logic device coupled to the second circuit board. The second programmable logic device may be configured to control the first power supply that is coupled to the second circuit board. The controller may be configured to control the second power supply that is coupled to the second circuit board.

Abstract: Methods, devices, subsystems, systems, and techniques for managing data transmissions with selectable modes are provided. In one aspect, a computing system includes: host devices, peripheral component interconnect express (PCIe) devices, and a PCIe controller having a PCIe switch coupled between the host devices and the PCIe devices. The PCIe controller is configured to: set a mode of the PCIe switch to be a first PCIe mode using first mode data, and transmit, under the first PCIe mode, first data between a first host device and at least one of the PCIe devices, and set the mode of the PCIe switch to be a second PCIe mode using second mode data, and transmit, under the second PCIe mode, second data between the first host device and one or more first PCIe devices and third data between a second host device and one or more second PCIe devices.

Abstract: A removal apparatus is provided. The removal apparatus includes a support member, a substance-removing member, and/or a spring member. The substance-removing member includes a handle portion, a first shaft portion, and a second shaft portion. The first shaft portion comprises a first end connecting to the handle portion, and a second end connecting to the second shaft portion. The substance-removing member further includes a substance-removing assembly secured (or removably attached) to the second shaft portion. A diameter of the spring member is greater than a diameter of the second shaft portion and is less than a diameter of the first shaft portion. The substance-removing assembly includes a substance-removing head for removing substance(s). For example, the substance-removing head can be applied to remove a portion of a solder mask and/or a portion of a conductive element (e.g., signal trace or plated via) covered by the solder mask.

Abstract: A packaging structure, system(s), and method(s) for packaging electronic element(s) are provided. The packing structure is disposed on a substrate (e.g., a circuit board) and includes a transistor, a first resistor, and a first light-emitting element. The packaging structure further includes a first heat-dissipation layer sandwiched between the transistor and the first resistor, and a second heat-dissipation layer sandwiched between the first resistor and the first light-emitting element. Additionally or alternatively, an additional packaging structure is disposed on the circuit board. The additional packaging structure includes a second resistor, a second light-emitting element, and a third heat-dissipation layer sandwiched between the second resistor and the second light-emitting element. The packaging structure may be electrically connected to the additional packaging structure, such that the first and/or second light-emitting element provide indicator light(s) for a component (e.g.

Abstract: A system and method for monitoring and predicting a health condition for a computing system having multiple components are provided. The method includes: acquiring a plurality of time sequences of data (e.g., telemetry data) associated with a plurality of components of the computing system, and processing the plurality of time sequences of data to generate one or more predictive outputs predicting whether any of the plurality of components will be abnormal (e.g., to malfunction). The method also includes determining one or more mitigation actions in response to determining that the one or more predictive outputs include a first predictive output indicating that a first component, of the plurality of components, will be in an abnormal condition (e.g., malfunction at a predicted time). The method further includes performing the one or more mitigation actions (e.g., prior to the predicted time). The first component may be a hardware component or other component.

Abstract: Systems and methods for monitoring power stability are provided. In some embodiments, a detection system is used to determine a reference voltage based on an output voltage from a power source, monitor an input voltage corresponding to a point along a power distribution line between the power source and a load, detect the input voltage triggering a condition set forth by the reference voltage, and send an alert based on the input voltage triggering the condition a preset number of times within a preset period.

Abstract: A ventilation assembly for use with a storage rack having receiving bays for receiving computing system is configurable between a closed configuration blocking airflow to the receiving bays and an opened configuration permitting airflow to the receiving bays. The ventilation assembly includes a plurality of louvers pivotally swinging between orientations perpendicular to an installation direction of the computing system and parallel to the installation direction to provide louver gaps permitting airflow to the receiving bay. The ventilation assembly includes an actuation linkage converting movement of the computing system in the installation direction to pivot the plurality of louvers to the opened configuration.

Abstract: A locking device includes an adjustable base assembly, which includes a rotation assembly and a linear guide rail, and a locking assembly mounted on the adjustable base assembly. The locking device includes one or more spring tabs configured to engage and disengage with one or more slots provided on one or more frame panels, an abutment block, and a sliding rod assembly. The abutment block is configured to push, in response to a force, the one or more spring tabs outward, thereby causing engagement of the one or more spring tabs with the one or more slots. The sliding rod assembly is configured to move with the abutment block and provide a first stable position for a locked state and a second stable position for an unlocked state. The adjustable base assembly is configured to adjust a position and an orientation of the locking assembly relative to the frame panels.

Abstract: A retention mechanism for installing an expansion card in a computer system comprises at least one ratchet rack mounted in a fixed location in the chassis and a corresponding sliding retainer adapted to slide along the ratchet rack in a vertical direction. The ratchet rack can include a plurality of rack gear teeth and the sliding retainer can include a pawl that is biased into engagement with the rack gear teeth. When the expansion card is inserted into an edge connector socket, the sliding retainer slidingly engages the ratchet rack to linearly move in the vertical direction to contact the expansion card and the pawl is urged into engagement with the rack gear teeth.

Abstract: A first linkage mechanism and/or a second linkage mechanism are provided. The first linkage mechanism includes: a supporting component; a connecting unit; and a fixation base. The connecting unit includes a first linkage member movable between a lifted position and a retracted position. The first linkage member includes a first body portion to connect with the fixation base. The first linkage member further includes a first end portion to connect with the supporting component. The first linkage member may further include a stop notch, and the fixation base may include a first protruding stopping element to engage with the stop notch of the first linkage member, so as to stop the first linkage member at the lifted position. The first and second linkage mechanisms may have mirrored structures, to form part of a lifting device.

Abstract: A fan accessory includes an air-inlet piece configured to be disposed in front of a fan and has a first hole adjacent to an outside and a second hole adjacent to the fan. The first hole is in communication with the second hole. The first hole has a first diameter gradually decreased in an airflow direction from the outside to the fan, and the second hole has a second diameter gradually increased in the airflow direction. The fan accessory also includes an air-outlet piece configured to be disposed behind the fan and have a third hole. The third hole has a third diameter gradually decreased in the airflow direction.