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Method of communicating with embedded controller

  • US 7,516,260 B2
  • Filed: 06/15/2005
  • Issued: 04/07/2009
  • Est. Priority Date: 06/15/2005
  • Status: Expired due to Fees
First Claim
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1. A method of communicating with an embedded controller, adapted for an advanced configuration and power interface specification (ACPI), the method comprising:

  • reprogramming an ignore bit of a status register of an embedded controller;

    setting a busy state value to the ignore bit, while an operating system power management handler (OSPM) accesses the embedded controller; and

    setting a non-busy state value to the ignore bit, when the OSPM finishes accessing the embedded controller.

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