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Dynamically characterizing computer system performance by varying multiple
input variables simultaneously
One embodiment of the present invention provides a system that dynamically characterizes computer system performance. The system operates by simultaneously...
Defferrable processing option for fast path forwarding
A system and method for providing deferred processing of information within a received data unit. An indication of a deferrable processing option in a received...
Hinged cover for rack-mountable module
A cover for a access opening in a face of a housing of an electronic circuit module for a rack-mounted circuit is described, wherein the cover is pivotable to...
Generation of delegating implementation for IDL interfaces which use
A method of generating an implementation for an interface definition language interface (IDL), includes identifying parents for an interface; computing a set of...
Stable and accurate CMOS level shifter
A stable and accurate level shifter for converting voltage levels of signals in CMOS devices. In one embodiment of the invention, the level shifter comprises two...
Method and apparatus for calibrating a delay locked loop charge pump
A calibration and adjustment system for post-fabrication control of a delay locked loop charge pump current is provided. The calibration and adjustment system...
Magnetic shaft for brushless D.C. motor
A brushless D.C. motor comprises a casing, a bearing, a stator, and a rotor having a shaft. The bearing is mounted to an end of the shaft. A first magnetic...
Organic pigment dispersion for coloring building materials
An aqueous organic pigment dispersion used to integrally color concrete and other building materials which includes: alkali metal silica particles as a binder;...
Virtual device driver
A pseudo device driver is provided for use by an operation system in a virtual desktop computing environment. The driver has two ports, a master port that is...
Implementation of an assertion check in ATPG models
A system and method for implementing an assertion check in an ATPG scan cell is provided. The assertion check includes an error signal generator within a scan...
Method and apparatus for recovering from failure of a mirrored boot device
A system and method are provided for recovering from the failure of a mirrored boot device (e.g., disk drive). One method is implemented for a computer system...
Method and apparatus for software prefetching using non-faulting loads
A method and apparatus for altering code to effectively hide main memory latency using software prefetching with non-faulting loads prefetches data from main...
Control logic for memory modification tracking with hierarchical dirty
A dirty memory that includes dirty indicators settable to indicate dirtied pages of memory is provided with control logic operable automatically to interrogate...
Efficient memory modification tracking with hierarchical dirty indicators
A dirty memory for a computer system is configured hierarchically. This provides for more rapid identification of pages of memory that have been dirtied and...
Apparatus, methods, and computer program products for transactional support
of network management operations
An application transaction (AT) server collects multiple user specified application operations for processing as a single application transaction and records...
Method and system for creating and utilizing managed roles in a directory
Role is a comprehensive grouping mechanism. In a client-server directory system, roles transfer some of the complexity to the directory server. A role is defined...
Method and expert system of molecular mechanics force fields for computer
simulation of molecular systems
A method and system of generating molecular mechanics force fields for computer simulation of molecular systems, including a graphic user interface 101,...
Mapping time-sorted to direction-sorted triangle vertices
A graphics system configured to operate on a collection of vertices to determine mappings from an initial order to secondary and tertiary ordering. The initial...
Synchronizing multiple display channels
A graphics system that is configured to synchronize a slave display channel to a master display channel may include a master display timing generator configured...
Post-silicon phase offset control of phase locked loop input receiver
A phase locked loop that includes a receiver that is adjustable to substantially match delay of a system clock and a feedback clock at an input of the phase...
Method and structure for supply gated electronic components
A method and structure for supply gating low power electronic components uses low threshold gating transistors. The low power components operate at supply...
Method for clock control of clocked half-rail differential logic with sense
amplifier and shut-off
Clocked half-rail differential logic circuits with sense amplifier and shut-off are activated by a delayed clock and include a sense amplifier circuit that is...
Circuit and method for dynamically controlling the impedance of an
Disclosed is an input/output (IO) device having a power supply node, an input node for receiving an input data signal, and an output node for outputting an...
Transmission gate based signal transition accelerator
A negative impedance device that accelerates signal transitions on a signal is provided. The negative impedance device is highly responsive to high to low and...
High air flow fan tray bracket
The disclosed system is directed towards a tray bracket. The tray bracket comprises a tray bracket inlet, the tray bracket inlet has tray bracket inlet coupling...
Method and apparatus for accessing system information
An option module that may be installed in a computer system is provided. The option module includes functional circuitry that is accessed by the computer system...
System and method for pre-fetching for pointer linked data structures
A system and method are provided for efficiently prefetching data in a pointer linked data structure (140). In one embodiment, a data processing system (100) is...
CompactPCI hotswap automatic insertion/extraction test equipment
A system for testing insertion and extraction of a hot-swappable card includes an automatic positioning station and a controller. The automatic positioning...
Arbitration method and apparatus
An arbitration method and mechanism assigning priority to one of a combination of requesters. A priority vector for the combination of requesters has a...
Method and apparatus for using acoustic signals to identify one or more
disc drives that are likely to fail
One embodiment of the present invention provides a system that facilitates determining whether a disk drive is likely to fail. The system operates by monitoring...
Modular computer system mechanical interconnection
A modular computer system mechanical interconnection includes a primary chassis having a first opening and a secondary chassis attached to the primary chassis...
Rotatable storage system for peripheral devices
The invention relates to an apparatus for storing electronic devices. In one embodiment, the apparatus comprises a base member attachable to an enclosure and a...
Graphics system having a super-sampled sample buffer and having single
sample per pixel support
A computer graphics system that utilizes a super-sampled sample buffer and a sample-to-pixel calculation unit for refreshing the display. The graphics system may...
Using observability logic for real-time debugging of ASICs
An integrated circuit including logic for testing internal operation of the integrated circuit. The integrated circuit may comprise a plurality of internal...
I/O power supply resonance compensation technique
An apparatus for compensating for the effects of resonance in an integrated circuit's power distribution network is provided. A resonance detector monitors...
Device including a resistive path to introduce an equivalent RC circuit
Structures for providing devices that include resistive paths specifically designed to provide a predetermined resistance between the bulk material of the device...
Towel material of wet towel and a manufacturing apparatus thereof
The present invention is to make a towel material for forming a wet towel, that is made by a drying, compressing or evacuating manner into compact units having a...
Real time thread dispatcher for multiprocessor applications
The present invention provides a process scheduler or dispatcher for a multiprocessor system for real time applications. This embodiment of the present invention...
Optimal alternating power and ground shield assignment algorithm
A method for facilitating the assignment of alternating voltage potentials to a set of shield wires in a routing layer of an integrated circuit involves...
System and method for implementing memory testing in a SRAM unit
The present invention provides a system and method for performing a memory test algorithm with a static random access memory (SRAM) unit having a read control...
Reconfigurable multi-chip modules
The present invention relates to a method and apparatus for a reconfigurable multi-chip module. The reconfigurable multi-chip module includes a processor; a...
Method and apparatus for checkpointing to facilitate reliable execution
One embodiment of the present invention provides a system that facilitates reliable execution in a computer system by periodically checkpointing write operations...
System translates target address of crosshairs displayed on screen to
corresponding mouse address of another...
A handheld computing device is used to copy files from the screen of a fixed computer. The display of the handheld device is linked to that of the underlying...
Performing dependent subtraction on arithmetic intervals within a computer
A system for performing dependent interval subtraction, wherein a first interval is subtracted from a third interval to produce a resulting interval, given...
Method and system for escrowed backup of hotelled world wide web sites
Embodiments of the present invention provide an improved method and system for storing a backup copy of a client company's data. In the preferred embodiment, the...
Multilevel table routing
A method of using routing tables. In this method, routing differs from ordinary table routing in that the part of a destination address (e.g., DestinationID)...
A circuit module for a rack-mounted circuit has a motherboard detachably mounted in the module for removal and replacement while the module remains in the rack.