International Business Machines Corporation

David Frank Hepner

Andrew Dale Walls

Wayne Isami Imaino

Pierre-Olivier Jubert

Andrew Moy

Andrew Dale Wall

An electronic card and a method for processing data stored in the electronic card. The electronic card includes a memory containing data to be read by a card reader. The electronic card may include a programmable field source containing wire structures geometrically configured and energized in a manner that drives an electric current through only two wire structures at a time for generating a time varying magnetic field that induces a readback signal in the card reader as the electronic card is being swiped through the card reader. An electrical current in at least one wire in the electronic card generates a time varying magnetic field and may include a finite time derivative of electrical current whose magnitude does not exceed a specified maximum time derivative of electrical current corresponding to a peak voltage threshold (V) and an overshoot ratio (f) of the card reader.

Electronic card and method for generating a magnetic field from swiping the electronic card through a card reader

A system and method is presented for component failure protection. In one embodiment, the system includes an operational circuit configured to operate in a first operational state, wherein the first operational state is in proximity of a circuit failure threshold. Additionally, the system may include a canary circuit configured to mimic the operational characteristics of the operational circuit, wherein the canary circuit is configured to operate in a second operational state, and wherein the second operational state is in closer proximity of a circuit failure threshold than the proximity of the of the first operational state. The system may also include a variable input control coupled to the operational circuit and the canary circuit, wherein the variable input control is configured to monitor the second operational state and adjust an input to the operational circuit based on the proximity of the second operational state to the circuit failure threshold.

System and method for component failure protection

A system and method of error detection for unordered data delivery. A data set is received, the data set including a plurality of data segments, each having a descriptor; a data packet for each of the plurality of data segments, each of the data packets including the data segment and the descriptor for each of the plurality of data segments; and a source cyclic redundancy check (CRC) code for each of the data packets. The source CRC codes are stored as a source CRC table and a received CRC code is computed for a first data packet. It is determined whether the received CRC code for the first data packet is in the source CRC table and the first data packet is used when the received CRC code for the first data packet is in the source CRC table.

System and method of error detection for unordered data delivery

Prefetching data and instructions from a hierarchical memory based upon trajectories and patterns of prior memory fetches. Portions of the data are stored in a slower main memory and are transferred to faster intermediate memory between a requester and the slower main memory. The selected data items are retrieved from the slower main memory into a prefetch read buffer as an intermediate memory prior to any request from the requester for the particular selected and prefetched data. The address and size of the prefetched data is derived from the history, pattern, or trajectory of prior memory reads.

Memory prefetch method and system

An apparatus for regulating power allocated to components within a computer system includes a sensor to sense power drawn by a first device within a computer system, the first device having device resources needed to satisfy functional demand required of the first device. A second sensor is provided to sense power drawn by a second device within the computer system, the second device having device resources needed to satisfy functional demand required of the second device. A power-monitoring module is provided to monitor the power drawn and the functional demand required of the first and second devices. A system control module, operably connected to the power-monitoring modules, is provided to regulate power allocated to the first and second devices by optimizing use of the device resources in accordance with the temperature, power drawn, and respective functional demands of the devices.

Computer-component power-consumption monitoring and control

A method, system, and computer program for predicting the failure of an electronic circuit. One embodiment of the invention monitors the current utilization, environment conditions, and operating conditions of the electronic circuit. A system manager is altered if the current utilization of the electronic circuit is outside a pass range at the measured environmental conditions and the measured operating conditions of the electronic circuit. The invention may also be configured such that if the electronic circuit fails, the electronic circuit is isolated from among a plurality of potentially failed electronic circuits using the measured current utilization, environment conditions, and operating conditions of the electronic circuit.

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San Jose, CA, United States of America

David Frank Hepner