Emc Corporation

Robert MacArthur

David Sullivan

Brian William Gallagher

F William French

Lawrence G Pignolet

Robert A Guenther

Robert F Wambach

A method for calculating power for a data storage system. The method includes: measuring power requirement for each one of a plurality of components for use in one of a plurality of possible system configurations; storing the measured power requirement in a table; entering into the table a specified one of the possible system configurations to obtain the power requirement for such one of the specified system configurations; calculating from the table the total power expected for the specified system configuration; presenting the calculated power to a user; determining whether the calculated power is acceptable or unacceptable to the user; and if determined to be unacceptable, entering into the table a new system configuration.

Method for calculating power for data storage systems

An electronic system has critical circuitry, non-critical circuitry having a first section and a second section, and a power sub-system. The power sub-system has a first power assembly, a second power assembly, and a set of connections. The set of connections is configured to connect the first and second power assemblies to the critical circuitry and the non-critical circuitry such that, when the first and second power assemblies operate to power the critical and non-critical circuitry through the set of connections, (i) a failure of only the second power assembly results in the first power assembly continuing to power the critical circuitry and the first section of the non-critical circuitry, and (ii) a failure of only the first power assembly results in the second power assembly continuing to power the critical circuitry and the second section of the non-critical circuitry.

Methods and apparatus for providing power to electronic circuitry

A technique involves providing a set of soft start power signals to operating circuitry mounted on a circuit board. In particular, the technique involves enabling (i) a first converter to provide a first soft start power signal to the operating circuitry and (ii) a second converter to provide a second soft start power signal to the operation circuitry. Additionally, the technique involves providing a first control signal that indicates whether the first converter properly provides the first soft start power signal, and providing a second control signal that indicates whether the second converter properly provides the second soft start power signal. Furthermore, the technique involves disabling the first converter if the second control signal indicates that the second converter improperly provides the second soft start power signal, and disabling the second converter if the first control signal indicates that the first converter improperly provides the first soft start power signal.

Methods and apparatus for providing power signals to operating circuitry mounted on circuit boards

Method and apparatus for providing power signals to operating circuitry mounted on circuit boards

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Leominster, MA, United States of America

Robert MacArthur