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7051219 |
System and apparatus for adjusting a clock speed based on a comparison between a time required for a scheduler function to be completed and a time required for an execution condition to be satisfied
A method of scheduling a CPU in which a clock of the CPU is controlled depending upon the states of processes to reduce power consumption. The clock is controlled by substituting clock functions of...
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7051223 |
System, apparatus, and method for limiting non-volatile memory
An apparatus for limiting volatile computer memory based on available energy in an auxiliary power source comprises an energy monitor module configured to determine an amount of available energy in...
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7043649 |
System clock power management for chips with multiple processing modules
A system and method are disclosed for controlling the frequency of a common clock which is shared by a plurality of processing elements. The usage of the common clock by each of the plurality of...
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7043647 |
Intelligent power management for a rack of servers
The invention is directed to a system and related method of allocating power in a rack mounted computer system where the individual servers are powered from a central power supply system. The...
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7039826 |
Circuit for controlling the clock supplied to a state controller in a data transfer control device according to states of first and second devices
In a clock generating circuit, clocks generated therein are distributed by a clock distribution control circuit for every circuit block. In a clock output control circuit, a clock command is...
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7039819 |
Apparatus and method for initiating a sleep state in a system on a chip device
An apparatus and method is disclosed for initiating a sleep state in a system-on-a-chip (SOC) device. The apparatus comprises a bus controller coupled to a central processing unit (CPU) and a power...
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7036030 |
Computer system and method of using temperature measurement readings to detect user activity and to adjust processor performance
The present invention relates to a computer system and method of using temperature measurements in connection with a computer. In one embodiment, the method includes taking a temperature reading in...
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7035155 |
Dynamic memory management
In a method, system and apparatus for management of dynamic memory in battery-powered devices, information is stored in dynamic memory, such as SDRAM chips. Chip partitioning minimizes the number...
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7035785 |
Mechanism for estimating and controlling di/dt-induced power supply voltage variations
A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the...
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7036027 |
Computer system layout and cooling configuration
Disclosed are novel methods and apparatus for provision of efficient, effective, and/or flexible computer system layout and/or cooling configuration. In accordance with an embodiment of the present...
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7036031 |
Electronic device and its power control method
To provide an interface device and method of controlling power to achieve reduction in power consumption by presetting the transceiver in the standby state. When the physical layer (PHY) 10 makes...
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7036032 |
System for reduced power consumption by phase locked loop and method thereof
A system and method are provided for reducing power consumption within a video processing portion of a system. Activity associated within a video-processing portion of a personal digital assistant...
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7024569 |
Method and apparatus for supplying auxiliary power to a bus coupled peripheral
A method and apparatus for supplying auxiliary power to a peripheral is disclosed. The method includes supplying power from a first USB port of a host device to an input USB port of a USB hub...
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7020787 |
Microprocessor
A microprocessor comprises a calculation unit that (i) includes partial calculation units each operable to perform partial data calculation, and (ii) is operable to perform data calculation on N or...
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7020788 |
Reduced power option
A method and a processor for processing a power mode instruction are provided. The power mode instruction itself includes up to five different sleep modes and one run mode, each for initiating a...
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7020590 |
Simulation of di/dt-induced power supply voltage variation
A mechanism is disclosed for determining a voltage at a device in a power delivery network. The mechanism includes determining an impulse response for the power delivery network, and tracking the...
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7017058 |
System and method for throttling a clock speed by comparing a power value with a predetermined power value wherein the predetermined power value is based on an increasing rate of a parameter
The present invention provides an apparatus and method for controlling power and clock speed of an electronic system. The present invention detects a voltage signal and a current signal as the...
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7017056 |
Method and apparatus for secure remote control of power-on state for computers
A secure mechanism for remotely controlling the power-on state of a host computer: A microcontroller in the host computer is supplied with standby power even when system power to the host computer...
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7017061 |
Method and system for dynamically adjusting power consumption of an information handling system
A power consumption manager reduces inadvertent information handling system shutdowns by monitoring current discharge from a battery and commanding selected components of the information handling...
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7017053 |
System for reduced power consumption by monitoring video content and method thereof
A system and method are provided for reducing power consumption within a video processing portion of a system based on display content. Display content is monitored to determine whether the display...
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7017059 |
Methods and apparatus for replacing cooling systems in operating computers
An apparatus and method for replacing a CPU cooling system, for example, a fan, while a computer continues to operate has a mechanism for maintenance personnel to signal that cooling fan...
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7017060 |
Power management system that changes processor level if processor utilization crosses threshold over a period that is different for switching up or down
A method for automatically transitioning a processor to another performance level in a demand-based system. One embodiment of the invention provides for the automatic adjustment of processor...
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7013401 |
Processor capable of preventing sleep/hold state based on a difference between a processing block address and a writing block address
The present invention provides a clock control type processor which can permit and accommodate a temporary delay in a processing operation also in a system in which processing times are not...
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7013397 |
Management of data before zero volt suspend in computer power management
A power management system for computers compresses contents of system RAM and stores the contents on a non-volatile storage device before power is suspended to a motherboard, which removes power...
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7010704 |
Apparatus for dynamically adjusting CPU power consumption
An apparatus for dynamically adjusting power consumption of a CPU in a computer system is described. A current flowing through the limiting resistor is detected and whether or not this current is...
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7010711 |
Method and apparatus of automatic power management control for native command queuing Serial ATA device
The present invention is directed to a method and apparatus of automatic power management control for Serial ATA interface. In an exemplary aspect of the present invention, an idle or active...
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7010709 |
Information processing device
An information processing device capable of accepting a communication request from another information processing device without fail, regardless of whether the device is in a standby state or not....
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7003681 |
Programmable logic controller with an auxiliary processing unit
A programmable logic controller (PLC) with an auxiliary processing unit is disclosed. The conventional PLC with one central processing unit has the problems of low execution speed, low counting...
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7003682 |
Power management method for setting clock circuit into power down mode if analog front end circuit is sampling input signals in an electronic device
In an electronic device, a first electronic circuit is selectively operated in a selected one of at least two operating modes. A second electronic circuit is selectively operated in a power-up mode...
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7000130 |
Method and apparatus for thermal throttling of clocks using localized measures of activity
Thermal throttling control to safely throttle clocks OFF and ON in an integrated circuit. Digital thermal throttling control is provided to gradually throttle a clock's frequency from ON to OFF and...
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7000111 |
Method for masking secret multiplicands
A mobile terminal for use in a mobile communications system includes a SIM card storing subscriber related data. For security, the SIM card performs secret cryptographic calculations with secret...
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7000132 |
Signal-initiated power management method for a pipelined data processor
A signal-initiated power management method for a pipelined data processor by which a clock signal to pipeline subcircuitry is selectively disabled in response to at least one control signal.
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7000131 |
Apparatus and method for assuming mastership of a bus
The present invention is generally directed to an apparatus and method for reducing excess power consumption of a bus master circuit component for use in a multi-bus master system. In one...
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6996441 |
Forward-looking fan control using system operation information
Predictions may be made regarding heat removal requirements depending on certain operational characteristics of an information processing system which have been monitored over time. A fan may be...
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6996728 |
Managing power consumption based on utilization statistics
The present invention, in various embodiments, provides techniques for managing system power. In one embodiment, system compute loads and/or system resources invoked by services running on the...
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6996731 |
Method and apparatus for controlling a supply of power in an electronic apparatus using a combination of plurality of detachable units
In an electronic apparatus for realizing a desired function by combining a plurality of units, a judging part judges whether a combination of the plurality of units is to realize the desired...
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6996730 |
Adjusting voltage supplied to a processor in response to clock frequency
A method and apparatus for adjusting the clock frequency and voltage supplied to an integrated circuit is provided. A request signal is sent to the clock, and in response, the clock lowers the...
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6996732 |
Method of and apparatus for achieving “watch dog” functions in microcontrollers and microcomputers and the like, required to shut down for extended periods of time for energy-conservation purposes
A watchdog timer circuit modified to operate during periods of microcomputer shut-down or sleeping, as for energy conservation purposes, controlled by an independent external rectangular-wave...
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6993670 |
Method of configuring a computer system capable of being woken up on LAN
A method of configuring a computer system capable of being woken up on a LAN A core power is actuated for an interval by performing a Pre-Advanced Configuration and Power Interface (Pre-ACPI)...
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6993667 |
Apparatus for automatic energy savings mode for ethernet transceivers and method thereof
An energy saving circuit is connected to a receiver of a first physical layer of a first network device. The energy saving device has first and second energy saving modes. In the first energy...
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6993669 |
Low power clocking systems and methods
A low power a reconfigurable processor core includes one or more processing units, each unit having a clock input that controls the performance of the unit; and a controller having a plurality of...
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6990594 |
Dynamic power management of devices in computer system by selecting clock generator output based on a current state and programmable policies
A power management system and method permit the total power consumption by a portable electronic device to be reduced so that the portable electronic device has a longer operating time on a limited...
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6990598 |
Low power reconfigurable systems and methods
A low power reconfigurable processor core includes one or more processing units, each unit having a clock input that controls the performance of the unit; one or more clock controllers having clock...
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6988211 |
System and method for selecting a frequency and voltage combination from a table using a selection field and a read-only limit field
A selectable control over multiple clock frequency/voltage level combinations that can be activated in a processor. A table can be placed in hardware that defines multiple combinations of CPU clock...
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6988214 |
Processor power state transistions using separate logic control
A computer system having a logic device capable of accepting various chipset controllers and interfacing them with a personal computer processor, the logic device capable of placing the processor...
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6986070 |
Microcomputer that cooperates with an external apparatus to be driven by a drive signal
A microcomputer comprises an intermittent operation control section for intermittently operating a CPU. Moreover, the microcomputer comprises a timer block, a level detecting circuit or a timer...
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6986067 |
Method and apparatus for reducing power consumption in a power supply
The present invention provides a method, apparatus an device for reducing power loss by lowering an operating frequency of a power supply device in a standby state such as soft-off state, suspend...
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6986068 |
Arithmetic processing system and arithmetic processing control method, task management system and task management method
A system capable of changing an operating frequency and a power source voltage of a processor, the operating frequency of the processor necessary for processing a periodic real-time task and a...
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6983386 |
Voltage management of blades in a bladed architecture system based on thermal and power budget allocation
A method includes modulating a first voltage level of a first blade and a second voltage level of a second blade within a bladed architecture system. The first blade hosts applications that require...
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6983389 |
Clock control of functional units in an integrated circuit based on monitoring unit signals to predict inactivity
An integrated circuit may have separate clock control for a number of different functional units. Ancillary to some of the functional units may be an activity detector and clock control unit which...
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