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Computer with security function and method therefor

  • US 7,024,700 B1
  • Filed: 07/19/2000
  • Issued: 04/04/2006
  • Est. Priority Date: 07/19/1999
  • Status: Expired due to Term
First Claim
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1. A method for prohibiting access to a computer after a security device attached to said computer is removed, comprising the steps of:

  • (a) storing setting data comprising a detect enable bit for establishing the computer settings of how to proceed with processing relative to the attachment of a security device to said computer in a first storage unit of said computer;

    (b) detecting the attachment of the said security device to said computer after said step (a) and during one of the power-on and the energy-saving mode of said computer;

    (c) storing the attachment data comprising a security device history bit indicating the detection in step (b) in a second storage unit equipped in said computer;

    (d) detecting a removal of said security device from said computer based on said previously-stored setting data and attachment data; and

    (e) prohibiting access to said computer in response to the detection in said step (d).

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