International Business Machines Corporation

Derek Howard

Lee Nee Helgeson

Todd Jon Rosedahl

Raymond J Harrington

George James Romano

Peter Adam Wendling

Martha Broyles

Russel L Young

Mussie T Negussie

A method and apparatus for implementing power up detection in a power down cycle to dynamically determine whether a failed component in a system prevents another Initial Program Load (IPL) or re-IPL, or result in a loss of resources. Predefined mandatory functions are called to collect power down/up data that prevents re-IPL, or results in the reduction of resources. A user is notified, allowing the customer to continually utilize the system, while ordering hardware to be replaced.

Implementing power up detection in power down cycle to dynamically identify failed system component resulting in loss of resources preventing IPL

A method, system, and computer usable program product for improving processor performance during power supply failure are provided in the illustrative embodiments. A throttled condition of a processor is detected in a data processing system. A voltage of the electrical power being provided to the processor is reduced. The processor is un-throttled. Additionally, a frequency of electrical power being provided to the processor may also be reduced. A determination is made whether a condition that caused the throttling has been corrected. In response to the condition having been corrected, the frequency is returned to normal frequency and the voltage is returned to normal voltage. The reducing the frequency operation and reducing the voltage operation may each be performed by distinct components communicating over a data network external to the data processing system.

Changing processor performance from a throttled state during a power supply failure

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Rochester, MN, United States of America

Derek Howard