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Speedy boot for computer systems

  • US 7,568,090 B2
  • Filed: 06/23/2005
  • Issued: 07/28/2009
  • Est. Priority Date: 06/23/2005
  • Status: Active Grant
First Claim
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1. A computer system comprising:

  • a firmware core having a plurality of operating system (OS) interfaces;

    a boot sequencer embedded in the firmware core, the boot sequencer implementing a boot sequence executing the following steps for a speedy boot procedure called by the boot sequencer;

    invoking a platform management interrupt (PMI) to soft reset a processor without resetting hardware far the processor;

    bypassing at least same initialization procedures and tests to speed recovery of the computer system to a usable state;

    reallocating memory for the operating system interfaces;

    generating a new memory map for the reallocated memory; and

    resetting the operating system interfaces and loading an operating system.

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