Matches 451 - 500 out of 522 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5935252 Apparatus and method for determining and setting system device configuration relating to power and cooling using VPD circuits associated with system devices  
A plurality of information circuits are provided for a computer system. Each information circuit is associated with an element of the computer system and each stores data about the associated...
5925132 Method and apparatus for implementing power saving mode  
A device control apparatus and a corresponding method allow the smooth recovery from a power saving mode to a stand-by state without malfunction. When the power saving mode is on and a signal which...
5925133 Integrated processor system adapted for portable personal information devices  
An integrated processor is fabricated on a single monolithic circuit and employs circuitry to accommodate data-intensive, view-intensive and voice-intensive requirements of modern-day PIDs. The...
5915122 Activation of a magnetic disk apparatus  
A magnetic disk apparatus which is used as a subsystem of a computer system, in particular a medium-sized computer system which uses commercial power and does not have its own backup power,...
5894579 Power management system and method  
An apparatus and a method for managing power, in a computer system, whereby it is possible to so manage power, where there are a plurality of peripheral devices which can be simultaneously...
5870613 Power mangement system for a computer  
A power management system for a personal computer comprises a power management processor, a switchable power supply and a keep alive power supply. The processor is powered by the keep alive power...
5867717 Dynamic system clocking and address decode circuits, methods and systems  
A single-chip integrated circuit device (110) includes an on-chip bus (904) and a plurality of integrated circuit functional blocks (934, 932) having respective clock inputs connected to the...
5862394 Electronic apparatus having a software controlled power switch  
This is a system and method of intelligently terminating power to a computing device. The system may comprise: a processing device; a power source connected to the processing device; a switch...
5844813 Information processing apparatus and method with setting of power off state and with recognition of printer operating state  
An information processing apparatus includes an information processing unit power saving controller for controlling a power saving function of an information control unit for controlling various...
5812860 Method and apparatus providing multiple voltages and frequencies selectable based on real time criteria to control power consumption  
A method and system for reducing power consumption in a processor core. A state machine is used to coordinate a frequency from a clock signal generator with a voltage from a voltage regulator which...
5812861 Override signal for forcing a powerdown of a flash memory  
A powerdown controller receives a powerdown signal and causes a powerdown if the powerdown signal indicates a powerdown condition. An override signal also forces the powerdown controller to cause...
5781780 Power management supply interface circuitry, systems and methods  
An electronic system (6) has a power management logic circuit (920). A first power supply connector (1902) is electrically coupled to the power management logic circuit (920) and a second power...
5781782 Electronic device with a power saving function  
An electronic device with a power saving function, capable of reducing unnecessary consumption of power and unnecessary refreshing of a DRAM, selects an appropriate power saving function in...
5774736 Redundant CPU power system  
The present invention relates to a fault tolerant system for providing power to a multiple central processing unit computer system. Three DC-DC converters, each sized for providing power to one...
5771390 System and method for cascading from a power managed suspend state to a suspend-to-disk state in a computer system  
A system and method for enabling a computer system to cascade from the suspend state to the zero volt suspend-to-disk state. The system and method uses the computer system's real time clock (RTC)...
5768602 Sleep mode controller for power management  
A sleep mode controller, useful for an electronic device such as a computer, can supply multiple clocks with appropriate synchronization and which is capable of dynamic speed switching. The device...
5761519 Portable computer having a removable medium drive and a resume setting function  
In an enabled resume mode, the drive status, head position and recording data amount of a CD-ROM drive are saved in a system memory when the power supply of a system is turned off. When the power...
5758172 Apparatus and method for displaying PMS information in a portable computer  
An apparatus and method for displaying power management system (PMS) information in a portable computer includes a video random access memory (RAM) for storing the power management system (PMS)...
5758102 Soft switching circuit for use on backplane  
A hot-plugging circuit associated with a backplane or motherboard for controlling the rate of application of voltage and current to a non-operating printed-circuit card in the process of being...
5752050 Method and apparatus for managing power consumption of external devices for personal computers using a power management coordinator  
A system for managing power consumption in a personal computer. To date most techniques for managing power consumption in personal computers have been for the purpose of extending battery life of...
5717934 Sequential computer network shutdown system and process therefor  
A user configurable, rule based sequencing of the shutdown of individual devices or the entire computer network is forwarded to a collection of software programmed microprocessors operating on the...
5703629 Computer system including protected graphics display control signal sequencing  
A computer system is provided which assures that display control signals provided to a display are properly sequenced despite the presence of ill-behaved application software. The risk of damage to...
5692201 Electric power consumption reduction device  
A semiconductor device, microcomputer, or electronic equipment capable of switching internal power voltages in order to suppress the power consumption thereof can prevent erroneous operation of the...
5691948 Memory apparatus  
A measuring unit measures a time (T) of a command interval by setting the end of a command generated from an upper apparatus to a start timing or by setting the start of the reception of the next...
5692197 Method and apparatus for reducing power consumption in a computer network without sacrificing performance  
A method and apparatus for actively managing the overall power consumption of a computer network which includes a plurality of computer systems interconnected to each other. In turn, each computer...
5680625 Computer system for avoiding coincidence of port address on a bus during expansion  
In a computer system, when an expansion unit is connected to a computer main body by an interface card, power supply control and I/O port selection are performed at the start of the computer...
5675808 Power control of circuit modules within an integrated circuit  
A power control and memory refresh rate management circuit is described. The power control circuit provides circuitry for selectively disabling or enabling modular logic circuit blocks within a...
5632019 Output buffer with digitally controlled power handling characteristics  
A programmable output buffer has source/sink characteristics that may be programmed to match the capacitive load to be driven. The programmable output buffer comprises a plurality of...
5630143 Microprocessor with externally controllable power management  
A processing unit includes a plurality of subcircuits and circuitry for generating clock signals thereto. Detection circuitry detects the assertion of a control signal and disabling circuitry is...
5603039 Powering components of a SCSI device  
An apparatus is described for translating between differential and single-ended SCSI signals. The apparatus includes programmable array logic. The TTL equivalent of both differential and...
5594893 System for monitoring and controlling operation of multiple processing units  
A processor shelf controller monitors processor shelf status. On shutdown or reset request either initiated by a central controller or the processor shelf, the processor shelf controller provides...
5557777 Method and apparatus for system recovery from power loss  
A computer system for system recovery from power loss includes a central processing unit and an activation means for starting up the computer. The computer system also has a cold boot circuit, a...
5546590 Power down state machine for PCMCIA PC card applications  
An apparatus and method for removing and applying power to circuitry within a Personal Computer Memory Card International Association (PCMCIA) PC card so as to reduce power consumption and, thus,...
5539891 Data transfer control circuit with a sequencer circuit and control subcircuits and data control method for successively entering data into a memory  
A power drain and noise reduction control circuit and method for a synchronous vector processor (SVP) device having a plurality of one-bit processor elements organized in a linear array. This...
5535400 SCSI disk drive power down apparatus  
An SCSI controller having a mechanism for receiving a power down request indicating that the SCSI disk drives should be spun down. Preferably, the SCSI controller has an input for receiving a power...
5522081 Drive current detection and optimization circuit for computer systems  
In a computer system having a computer bus drive circuit capable of providing drive current to an individual line of a computer bus coupled thereto, a circuit for determining a proper level for the...
5513358 Method and apparatus for power-up state initialization in a data processing system  
A method and apparatus for implementing a power-up state initialization. A power sense circuit provides a signal for indicating when the power supply, V DD , is of a voltage level greater than the...
5511204 Performing system tasks at power-off using system management interrupt  
A computer system having a CPU, a non-volatile storage device, a power management processor having a volatile power management configuration, and a power supply in circuit communication. The power...
5475271 Power source control system for electronic device and expansion unit connected thereto  
A power source device of an expansion unit determines whether an electric device is connected to the expansion unit, and supplies an operating power source voltage CC to the electric device only...
5454114 Microcontroller power-up delay  
A microcontroller is adapted, when operating, to execute programs and instructions and, in response, to generate control signals to selectively control external apparatus. The microcontroller...
5440748 Computer system capable of connecting expansion unit  
In a computer system, when an expansion unit is connected to a computer main body by an interface card, power supply control and I/O port selection are performed at the start of the computer...
5423046 High capacity data storage system using disk array  
A data storage and retrieval system is provided which has extremely high capacity. The system includes a large array of small disk files, and three storage managers for controlling the allocation...
5414863 Power control staggering circuit for powering different components at different delay timings  
A power control circuit for a device such as a personal computer, including a laptop or notebook computer, which can conserve battery use, prevent power surges to promote longer battery charges and...
5375247 Apparatus for controlled switching of a microcomputer to standby mode  
A voltage regulator connected to a microcomputer is switched from main power to standby power by a monitoring integrated circuit in response to a switch off by the control circuit after receiving a...
5367697 Means for providing a graceful power shut-down capability in a multiprocessor system having certain processors not inherently having a power shut-down capability  
A multiprocessor computer system includes first processors, second processors, a system management means for performing system management functions, including detecting pending power shut-downs and...
5339446 Power supply and method for use in a computer system to confirm a save operation of the computer system and to stop a supply of power to the computer system after confirmation  
A power supply for use in a computer system according to this invention has a one-chip microcomputer having a built-in A/D converter. The microcomputer, which has a communication function, performs...
5276865 Automatic computer back-up system  
A backup device and method for automatically backing up the memory of a computer. The device is installed inline between the electrical outlet and the computer, and also inline between the keyboard...
5274828 Computer including an integrated circuit having an on-chip high voltage source  
A computer system includes a data processor, an address bus, a data bus, and a read only memory device interconnected with the data processor by way of the address and data buses. A random access...
5151855 Multiple microprocessor single power supply system shutdown  
A power shutdown sequence provides for an orderly power shutdown for master and slave processors sharing a single power supply while at the same time allowing the master and slave processors to...
5140693 Display configuration setting system and method for preferentially setting extension display card  
In a computer system having an extension slot capable of detachably receiving a display adapter board and display hardware controllers for plasma and CRT displays, respectively, the display...
Matches 451 - 500 out of 522 < 1 2 3 4 5 6 7 8 9 10 11 >