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Computer memory accessible in either power state of the computer

  • US 7,788,442 B2
  • Filed: 11/03/2007
  • Issued: 08/31/2010
  • Est. Priority Date: 11/03/2007
  • Status: Active Grant
First Claim
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1. A system on a computer for providing access to data stored on the computer in either power state, comprising:

  • a memory module;

    an external data interface connector;

    a data interface controller for managing a data interface to the memory module and a data interface to the external data interface connector; and

    a multiplexer conductively connecting the data interface controller with the memory module when the computer is powered on, the multiplexer conductively disconnecting the data interface controller from the memory module when the computer is powered off and the multiplexer conductively connecting the external data interface connector with the memory module when the computer is powered off.

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