Abstract: A disclosed technique includes triggering a change for a first set of one or more functional elements and for a second set of one or more functional elements from a high-power state to a low-power state; saving first state of the first set of one or more functional elements via a first set of one or more save-state elements; saving second state of the second set of one or more functional elements via a second set of one or more save-state elements; powering down the first set of one or more functional elements and the second set of one or more functional elements; and transmitting the first state and the second state to a memory.

Abstract: Power over Ethernet system having multiple power source devices comprising a control device that controls power distribution to a plurality of communication ports. In the control device, a master controller provides a power supply to power consumption look-up-table to a plurality of control circuits in various manners via a series bus. When one power source device shuts down, each control circuit can rapidly shut off selected port switches connected thereto.

Abstract: In one embodiment, a method for managing a light source of a power adapter includes: determining that the power adapter is coupled to a power supply; causing the light source to be in a first illuminated state indicating that the power adapter is receiving the power from the power supply; determining that a first instance of a threshold period of inactivity has occurred; causing the light source to be in an unilluminated state; determining that the power adapter is communicably coupled to an information handling system; causing the light source to be in a second illuminated state indicating that the power adapter is providing the power to the information handling system; determining that a second instance of the threshold period of inactivity has occurred; and causing the light source to be in the unilluminated state.

Abstract: Methods and systems for managing power for a Power over Ethernet (PoE) device are disclosed herein. The method may include obtaining, by a supervisor, power information from a plurality of power supply units (PSUs) to obtain total consumed power; obtaining, by the supervisor, a total system power capacity value associated with the plurality of PSUs; and calculating, by the supervisor, a total available PoE power value using the total consumed power and the total system power capacity value; and making a first determination, by the supervisor, using the total available PoE power value and a PoE power table, whether a powered device should stop receiving power.

Abstract: In an embodiment, a powered device (PD) interface circuit includes a lower priority PD and a higher priority PD. The lower priority PD is configured to receive, and to couple to a power supply onboard a subsystem, a first power signal from first power source equipment (PSE). And the higher priority PD is configured to receive a second power signal from second PSE, to couple the second power signal to the power supply, and to prevent the lower priority PD from coupling the first power signal to the power supply while the higher priority PD is coupling the second power signal to the power supply. That is, such a PD interface circuit is configured to impart a respective priority to each PD such that if two or more PDs receive power from respective PSEs, then the interface circuit enables only the PD having the higher priority to couple a corresponding PSE power signal to the power supply onboard the subsystem.

Abstract: Provides is a method for memory swap. The method for memory swap according to the present disclosure may comprise storing a plurality of pages in a volatile memory; intercepting at least one page among the plurality of pages before the at least one page is discarded from the volatile memory; and compressing the at least one intercepted page and storing the compressed page in a memory swap space, wherein the plurality of pages include a first page, which is a clean page among file-mapped pages, and a second page, which is an anonymous page.

Abstract: In some examples, the disclosure describes a device, comprising: a processor, and a non-transitory memory resource storing machine-readable instructions stored thereon that, when executed, cause the processor to: activate a dynamic power reduction mode for a device in response to identifying the device is in a first power state associated with a first account, and deactivate the dynamic power reduction mode for the device in response to identifying the device is in a second power state associated with a second account.

Abstract: A system and method for managing energy consumption of one or more processor cores in a multicore processing device. The method includes recording an activity level of one or more processor cores within a multicore processing device and translating each activity level of the one or more processor cores to a respective charge value. The method also includes generating, at least partially subject to each translated charge value, one or more charge replenishment requests associated with the one or more processor cores. The method further includes determining the one or more charge replenishment requests exceeds a power delivery capacity to the multicore processing device. The method also includes regulating the processing activity of the one or more processor cores to decrease a power consumption for the one or more processing cores.

Abstract: Examples are disclosed that relate to allocating power to peripheral device interfaces. One example provides, at a computing device, a method, comprising obtaining a measurement of power consumption by one or more peripheral devices, and based at least on the measurement and on a maximum power tolerance of a power source, allocating to each respective interface a minimum portion of power output from the power source. The method further comprises rendering a remainder of the maximum power tolerance available for consumption by one or more processors, the remainder including the maximum power tolerance minus a sum of the minimum portions, where the remainder and a system portion of power output are available for consumption by the one or more processors, and where a performance attribute of the one or more processors is not throttled while total power consumption does not exceed a threshold power output from the power source.

Abstract: A state estimation method for an energy storage device includes: acquiring, by a first method, a first probability distribution that expresses the state of the energy storage device 61 in the form of a probability distribution; acquiring, by a second method, a second probability distribution that expresses the state of the energy storage device in the form of a probability distribution; and estimating the state of the energy storage device on the basis of the first probability distribution and the second probability distribution.

Abstract: A method of controlling energy supply in an energy distribution network is disclosed. The energy distribution network comprises an energy generation facility adapted to supply energy to the energy distribution network and an energy consumer adapted to consume energy from the energy distribution network. The method comprises, at the energy generation facility: detecting a curtailment condition, the curtailment condition indicating that the energy generation facility should curtail its supply of energy to the energy distribution network; in response to the curtailment condition, transmitting, via a communications link, a request to increase energy consumption to the energy consumer; receiving a reply message from the energy consumer via the communications link; and controlling energy output from the generation facility in dependence on the reply message.

Abstract: An information processing apparatus includes an ensuring circuit configured to maintain an operation of a first storage connected to a first system in a case where a detection unit detects reduction in voltage of a power supply. A control unit is configured to copy at least data necessary for activating the information processing apparatus from a second storage connected to a second system to the first storage in a case where the first storage is set not to store the data necessary for activating the information processing apparatus and a second storage is set to store the data necessary for activating the information processing apparatus.

Abstract: A current-sharing control circuit, a power supply system and a current-sharing control method are disclosed. One embodiment of the power supply system comprises: multiple CV/CC power supplies connected in parallel to a load, whose nominal output voltages are the same and CV mode to CC mode switching points are adjustable; a current-sharing control circuit including an average load current sensor which senses a total current supplied to the load and outputs a first level linearly related to an average load current equal to the total current divided by the number of the working power supplies, and an output current sensor which senses an output current of each power supply and outputs a second level linearly related to the output current. The control circuit provides feedback signals related to the first level and the respective second levels to the power supplies to adjust their switching points to the average load current.

Abstract: Apparatuses and methods related to power domain boundary protection in memory. A number of embodiments can include using a voltage detector to monitor a floating power supply voltage used to power a number of logic components while a memory device operates in a reduced power mode, and responsive to the voltage detector detecting that the floating power supply voltage reaches a threshold value while the memory device is in the reduced power mode, providing a control signal to protection logic to prevent a floating output signal driven from one or more of the logic components from being provided across a power domain boundary to one or more of a different number of logic components.

Abstract: Embodiments herein describe assigning different linearity operating points of a front end of a radio to groups of user devices when transmitting data using OFDMA. That is, when transmitting a PPDU to a first group of user devices, an access point (AP) may set the front end of the radio to a lower linearity operating point than when transmitting a PPDU to a second group of user devices. Using a higher linearity operating point can increase the data rate used to transmit the PPDU—e.g., the AP can use a higher modulation coding scheme (MCS). This can reduce the time the PPDUs have to wait in a queue before being transmitted.

Abstract: A vehicle includes a first controller that sends a request to enter a lower power mode, and a plurality of second controllers. The second controllers each periodically send the first controller signals indicating operation in a normal power mode while being powered by a primary power converter, and responsive to receiving the request, do not send the signals during the low power mode while being capable of powered by an auxiliary power converter that has a maximum power limit less than the primary power converter. Also, the first controller, responsive to not receiving the signals for a predetermined period of time, disconnects the first and second controllers from the primary power converter.

Abstract: An online software upgrade device for maintaining operation uninterrupted is disclosed. One embodiment includes a processing unit having first power and chip enabling pins and a controlling pin, an expansion I/O chip having second power and chip enabling pins and a controlled pin, and a pull-down resistor having a first end connecting with the first and second chip enabling pins. The first power enabling pin outputs a first power enabling signal and connects a power source, the first chip enabling pin outputs a first chip enabling signal and connects a driving pin of a controlled chip, and the controlling pin outputs an operation signal. The second power enabling pin connects with the first power enabling pin and outputs a second power enabling signal, the second chip enabling pin connects the first chip enabling pin and outputs a second chip enabling signal, and the controlled pin connects with the controlling pin.

Abstract: According to one embodiment, an Information Technology (IT) power system for a data center. The system includes a utility power source, an IT cluster that includes a several pieces of IT equipment. The cluster is coupled to the source and is configured to draw power from the source and provide the drawn power to the pieces of IT equipment. The system also includes a photovoltaic (PV) system that includes a PV panel that is arranged to convert solar radiation into direct current (DC) power. It also may include a voltage sensor and a controller that are configured to decouple the cluster from the source and to couple the cluster to the PV system such that the cluster draws the DC power directly from the PV panel when the output voltage of the PV panel sensed by the voltage sensor exceeds a threshold value.

Abstract: Power governance circuitry is provided to control a performance level of a processing unit of a processing platform. The power governance circuitry comprises measurement circuitry to measure a current utilization of the processing unit at a current operating frequency and to determine any change in utilization or power and frequency control circuitry is provided to update the current operating frequency to a new operating frequency by determining a new target quantified power expenditure to be applied in a subsequent processing cycle depending on the determination of any change in utilization or power. A new operating frequency is selected to satisfy the new target quantified power based on a scalability function specifying a variation of a given value of utilization or power with the operating frequency. A processing platform and machine readable instructions are provided to set a new quantified target power of a processing unit.

Abstract: This document describes methods, devices, and systems for configuring a smartphone (102) for network connectivity via a charging station (120), in which the smartphone (102) detects a connection or a coupling to the charging station (120). In response to the detection of the connection or coupling to the charging station (120), the smartphone (102) configures a WLAN transceiver (228) as a WLAN access point and forms a mesh WLAN network with one or more other WLAN access points (114). In other aspects, the charging station (120) detects the presence of the smartphone (102) that is connected or coupled to the charging station (120). In response to sensing the presence of the smartphone (102), the charging station (120) configures power and charging circuitry (244) to charge a battery of the smartphone (102) and configures WLAN radio circuitry (232) to relay WLAN communications for the smartphone (102).

Abstract: A discharge device is provided. The discharge device discharges an internal power of an electronic device. The discharge device includes a voltage regulation circuit, a charge storage circuit, a control signal generator and a discharge path. The voltage regulation circuit regulates the internal power to a regulated power. The charge storage circuit stores the regulated power. The control signal generator is configured to receive the regulated power and an external power, enabled according to the regulated power, and generating a control signal in response to a voltage level of the external power. The discharge path is configured to receive the internal power, and turned on according to the control signal to discharge the internal power.

Abstract: A smart charger and associated methods and systems are disclosed. The smart charger identifies an anticipatory event that triggers battery charging, selects a battery charging profile that matches the anticipatory event, charges the battery of a mobile device based on the battery charging profile, and updates criteria for identifying anticipatory events and/or the battery charging profile that matches the anticipatory event.

Abstract: An electronic device includes a connection unit that receive power from a power supply apparatus via a first terminal, a communication control unit that communicates with the power supply apparatus via a second terminal to receive power supply capability information of the power supply apparatus, and a control unit that disables activation of the electronic device before the communication control unit receives a predetermined notification from the power supply apparatus.

Abstract: A semiconductor device and the like for maintaining a required function while suppressing unauthorized accesses are provided. The semiconductor device 100 includes a main control device 110 and a sub-control device 120. The main control device 110 includes a main memory 112 for storing main programs for receiving external signals, and a trigger signal output circuit 115 for outputting a trigger signal when an abnormal signal process differs from preset signal processing is performed. The sub-control device 120 is coupled to the main control device 110, and includes a trigger signal obtaining circuit 121 for obtaining a trigger signal, and a sub-program outputting circuit 123 for outputting a sub-program to the main control device 110 based on the obtained trigger signal.

Abstract: A mobile device allows transmission of additional outgoing application data requests in response to occurrence of receipt of data transfer from a remote entity, user input in response to a prompt displayed to the user, and a change in a background status of an application executing on the mobile device. Additional outgoing application data requests are foreground application requests.

Abstract: An information handling system includes a memory module having a first thermal sensor for a first memory channel, and a second thermal sensor for a second memory channel. A processor receives a first temperature from the first thermal sensor and a second temperature from the second thermal sensor, and performs a first high bandwidth access of the first memory channel. In response to a predetermined amount of time ending, the processor: receives a third temperature from the first thermal sensor and a fourth temperature from the second thermal sensor; determines a first temperature delta based on a difference between the third and first temperatures; and determines a second temperature delta based on a difference between the fourth and second temperatures. Based on the first and second temperature deltas, the processor determines whether the first or second memory channel is an upstream memory channel.

Abstract: A method and apparatus for charging one or more rechargeable batteries or secondary cells. The method includes providing an external source of power, one or more rechargeable batteries or secondary cells, and a charging device. The charging device includes one or more computing or control devices and one or more semiconductor devices. At least a portion of the one or more semiconductor devices are in electrical communication with the external power source and at least a portion of the one or more semiconductor devices are in electrical communication with at least a portion of the one or more rechargeable batteries or secondary cells. Once a charging mode has been selected, the charging device will allow the external source of power to supply an amount of power to the one or more rechargeable batteries or secondary cells.

Abstract: Embodiments relate to a system, program product, and method for proactively initiating throttle action on one or more cores in a multicore processing device to mitigate voltage droop therein. The method includes determining, in real-time, an indication of stall events within the core and determining one or more resolutions of the stall events. The method also includes determining, in real-time, a timing margin value for the core and predicting inducement of a voltage droop on the core. The method further includes integrating the resolutions of the stall events and the timing margin value for the core, determining, subject to the predicting, a throttle action for the core, and executing the throttle action on the core.

Abstract: Systems, computer-implemented methods and/or computer program products that facilitate management of resources are provided. In one embodiment, a computer-implemented method comprises: employing, by a system operatively coupled to a processor, at least one model to predict respective token needs by a set of processing elements during execution of a workload; and exchanging, by the system, one or more tokens between a subset of the processing elements as a function of the predicted token needs.

Abstract: In some examples, securing data on a computing device includes one or more cryptographic operations on at least a portion of data stored in a memory module of the computing device in response to a change of operational state of the system from a first operational state to a second operational state.

Abstract: A multiple output universal serial bus travel adaptor includes: at least one AC-DC converter for converting an AC power to a first DC power; at least one DC-DC converter for providing a second DC power according to the first DC power; plural switches which are coupled to the AC-DC converter and/or the DC-DC converter to provide the first DC power or the second DC power to corresponding connectors according to operation signals; and a protocol controller configured to generate the operation signals according to at least one of the following parameters: a) the types of the connectors; b) whether there is a mobile device connected with the connectors; c) a first command from the mobile device; d) the power consumed by the mobile devices; e) the currents flowing through the connectors; and f) the voltages at the connectors.

Abstract: A computer-implemented method includes monitoring, by a power monitor on a computer device, for a peripheral device connection. The peripheral device connection connecting a peripheral device to an input/output port of the computer device. The input/output port is configured to provide power from a power supply of the computer device to the peripheral device. In response to the monitoring for the peripheral device connection identifying the peripheral device connection, the method includes determining, by the power monitor, a device type and a negotiated power of the peripheral device as connected. The power monitor determines whether the negotiated power of the peripheral device as connected matches expected power information. In response to determining the negotiated power of the peripheral device does not match the expected power information, the power monitor takes action on the computer device.

Abstract: In one embodiment, a processor includes a memory hierarchy and a core coupled to the memory hierarchy. The memory hierarchy stores encrypted data, and the core includes circuitry to access the encrypted data stored in the memory hierarchy, decrypt the encrypted data to yield decrypted data, perform an entropy test on the decrypted data, and update a processor state based on a result of the entropy test. The entropy test may include determining a number of data entities in the decrypted data whose values are equal to one another, determining a number of adjacent data entities in the decrypted data whose values are equal to one another, determining a number of data entities in the decrypted data whose values are equal to at least one special value from a set of special values, or determining a sum of n highest data entity value frequencies.

Abstract: A system includes a real-time partitioning separation kernel installed on a multi-core processor. Guest operating systems are hosted with in hardware virtualized machines in the cores. Another hardware virtualized machine performs a real-time USB-CAN interface communicatively coupled to distributed electronic control units which acquire data and command actuators. A plurality of hardware virtualized machines support processes of various criticality. A secure shared memory serves as the communication means between processes performing different levels of functionality at suitable latency ranges. a policy to distinguish, allocate, and distribute clock, memory, and input/output resources to meet focused latency ranges to the Observation, Decision, and Execution processes. Remaining resources have diffuse latency ranges made available to the Observation, Decision, and Execution processes in an as available but guarded minimum and maximum buffet.

Abstract: A set of read operations and a set of write operations for a set of drives in a storage system during a first time window is monitored. A write intensity of a first drive in the set is calculated based on the monitoring. The first drive is classified as a candidate for power reduction based on the write intensity. A write-intensive extent is identified on the first drive based on the monitoring. The write extensive extent is migrated to a second drive in the set of drives, and power to the first drive is reduced.

Abstract: Systems and methods are provided for powering an Information Handling System (IHS). The system includes a multimode AC adapter that reports supported outputs, including USB-PD (Universal Serial Bus Power Delivery) outputs and also including high-power outputs of a voltage greater than the USB-PD output voltages. The IHS detects a coupling of the multimode AC adapter to a USB-C port of the IHS. Based on information provided by the multimode adapter, the IHS determines the multimode adapter supports transmission of the high-power outputs to the USB-C port. The high-power outputs are negotiated and a power circuit of the IHS is configured for converting the negotiated high-power output. The configured power circuit converts the negotiated high-power output received via the USB-C port to an input utilized by the IHS. The high-power conversion circuit may provide efficient conversion of input voltages of up to 60 volts to voltages for use by the IHS.

Abstract: A portable electronic device that can operate even when electric power supplied through contactless charge by electromagnetic induction is low is provided. The portable electronic device includes a reflective liquid crystal display which includes a transistor including an oxide semiconductor, a power source portion which includes a rechargeable battery capable of charge by contactless charge, and a signal processing portion which includes a nonvolatile semiconductor memory device. In the portable electronic device, electric power stored in the rechargeable battery is used in the reflective liquid crystal display and the signal processing portion.

Abstract: Implementations of the disclosure describe an Open Automated Demand Response (OADR) endpoint device. A method of the disclosure includes receiving, by a processing device of an endpoint device, a first message comprising a first market energy price, determining whether a first quantity of energy has been consumed within a first time period by at least one energy device associated with the endpoint device, responsive to a determination that the first quantity of energy has been consumed by the at least one energy device within the first time period, determining whether the first market energy price is greater than a price threshold and responsive to a determination that the first market energy price is greater than the price threshold, causing the at least one energy device to stop consuming additional amounts of energy.

Abstract: Methods, systems, and devices for voltage adjustment of memory dies based on weighted feedback are described. A supply voltage may be measured at various areas of a memory die, weights may be applied to the measured voltages based on the area from which the particular voltage was measured. The supply voltage may be adjusted based on the weighted signals. The signals may be weighted using digital or analog techniques. Different durations of time in which oscillations from an oscillator circuit are counted may provide weighting for a signal. Weights applied to the signals may be dynamically adjusted, which may allow the weights to be tuned or changed based on changes to operating conditions of the memory dies.

Abstract: The disclosure describes a programmable power management system for NAND Flash devices. In one embodiment, dedicated match logic is provided to store program counters responsible for peak power consumption of one or more NAND Flash dies. Upon detecting that a current program counter equals a stored program counter, a high current enable signal is toggled causing at least one NAND Flash die to suspend operations, thereby reducing peak power consumption of the NAND Flash device.

Abstract: A system including a lighting controller and a radio adapter. The lighting controller includes a smart port and is configured to control at least one lighting fixture. The radio adapter is communicatively coupled to the lighting controller via the smart port. The radio adapter is configured to establish a wireless communication link between the lighting controller and an external device, communicatively couple the external device to the lighting controller via the smart port, and provide a master clock timing signal to the lighting controller via the smart port.

Abstract: A power delivery system for a computing device includes a power connector, a power delivery switch, a charging circuit, and a hardware controller. The power connector is configured to selectively electrically connect with a power supply unit. The power delivery switch is electrically intermediate the power connector and the charging circuit. The hardware controller is configured to limit a charging current at the charging circuit to a sub-threshold level for a current-limiting duration based at least on initiation of a transition of the power delivery switch from an OFF state to an ON state that lasts for a switching duration that is less than the current-limiting duration. The charging circuit is configured to modulate the charging current to a regulated charging current and deliver the regulated charging current to a system load of the computing device after the current-limiting duration has elapsed.

Abstract: Disclosed in various embodiments of the present invention are an electronic device for adjusting a voltage and an operating method therefor. The electronic device comprises: at least one first converter for supporting a plurality of operating modes for changing voltage; a second converter supporting the plurality of operating modes and connected with the at least one first converter in series; and at least one processor, wherein the processor can be configured to determine an intermediate voltage between the at least one first converter and the second converter on the basis of an input voltage of the at least one first converter and an output voltage of the second converter, and control an operating mode of each of the at least one first converter and the second converter on the basis of the determined intermediate voltage. Other embodiments are also possible.

Abstract: A memory controller component of a memory system stores memory access requests within a transaction queue until serviced so that, over time, the transaction queue alternates between occupied and empty states. The memory controller transitions the memory system to a low power mode in response to detecting the transaction queue is has remained in the empty state for a predetermined time. In the transition to the low power mode, the memory controller disables oscillation of one or more timing signals required to time data signaling operations within synchronous communication circuits of one or more attached memory devices and also disables one or more power consuming circuits within the synchronous communication circuits of the one or more memory devices.

Abstract: A method of authenticating a network device may include receiving an authentication message from a third party server, the authentication message identifying a network device. The method may also include receiving a zero touch provisioning request comprising a certificate from the network device. The method may additionally include, determining the network device is associated with a third party that manages the third party server based on the certificate. The method may include transmitting a redirect message comprising a root certificate chain indicating that the network device is to send the zero touch provisioning request to the third party server.

Abstract: The present disclosure relates to a recloser control that monitors compliance of a standard for distributed energy resources (DERs). For example, a method includes obtaining power system measurements between a microgrid and an area electronic power system (EPS). The method includes determining a rate of change of power (RoCoP) based on the power system measurements. The method includes determining that a DER exceeded a threshold of the area EPS based at least in part on the RoCoP. The method includes sending a signal indicating that the DER has violated the threshold.

Abstract: A processing executing unit of a control device is configured to set the number of blocks to be read indicating the number of blocks to be read from a storage unit per unit time and a fan rotational speed of a fan motor in accordance with the amount of allowable machining error or a feed rate of a table that is inputted by an operator, and further configured to read a machining program from the storage unit block by block at the set number of blocks to be read and cause a fan control unit to perform a process to drive the fan motor at the set fan rotational speed.

Abstract: In one or more embodiments, a T-adapter includes an input for receiving power and data on a wire pair, a first output for transmitting the power and data to a first load, a second output for transmitting the power and data to a second load, and a controller operable to detect and authenticate the first load at the first output or the second load at the second output and enable power at the first output or the second output in response to load detection and authentication.

Abstract: A PoE powered device and method of operation are provided. The device includes a first port unit configured to negotiate receipt of a level of PoE power from a power sourcing equipment. The power is received on a first pair of taps on a first communication port. A detection unit is configured to detect a presence of a first optional circuit load and to detect a presence of a second optional power load. A control circuit is configured to establish connectivity between a second pair of taps on the first communication port and a second powered device port unit in response to the detection unit detecting the first optional load, and further configured to establish connectivity between the second pair of taps and a third pair of taps on a pass-through communication port in response to the detection unit failing to detect the first load and detecting the second load.

Abstract: An example image forming apparatus includes a printing engine to perform a printing work by using toner filled in a toner cartridge, a communication device to communicate with a circuit board attached to a toner refill apparatus that refills toner in the toner cartridge by using a plurality of terminals, and a processor to identify a connection state of the toner refill apparatus based on a voltage value of at least one of the plurality of terminals.