Seagate Technology Incorporated

Unisys Corporation

Matthew D Rench

Bruce Douglas Buch

Mitchell A Bauman

James L Depenning

Nicholas Paul Mati

A computing system can be arranged to generate a range of different frequencies with at least one oscillator of a clock module prior to providing a first clock frequency to a controller with a channel selector of the clock module in response to a dither control circuit. A system operation may be executed with the controller before the first clock frequency is changed to a second clock frequency during the execution of the system operation as directed by the dither control circuit. The second clock frequency can be chosen from the range of different frequencies. The computing system may return to the first clock frequency at the conclusion of the execution of the system operation.

Computing system with power variation attack countermeasures

The current invention provides a system and method for managing requests from one or more requesters to one or more resources. These requests, which may be any of multiple request types, are prioritized using one or more threshold values. Each threshold value is associated with one or more of the request types, and defines the maximum number of requests of the associated types that may be pending to the resources before the threshold is reached. When all associated thresholds have been reached for requests of one or more predetermined request types, an indication is provided to re-issue requests of those types at a later time. A priority scheme is used to allow re-issued requests to systematically gain access to the shared resource to prevent the starvation of any given requester.

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Bloomington, MN, United States of America

Matthew D Rench