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Reducing power consumption in a data storage system

  • US 7,177,222 B2
  • Filed: 03/04/2005
  • Issued: 02/13/2007
  • Est. Priority Date: 03/04/2005
  • Status: Active Grant
First Claim
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1. A method for reducing power consumption of a refresh load device in a circuit that is alternatively powered in one of an alternating current mode and a battery mode, the method comprising adjusting a refresh voltage level to the refresh load device to a lowest value in the battery mode, and adjusting a refresh voltage level to the refresh load device to an intermediate value in the alternating current mode, while maintaining a substantially constant operational voltage level to the refresh load device in both the battery mode and the alternating current mode.

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