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Method for performing hot docking of a portable computer into a docking station

  • US 6,493,782 B1
  • Filed: 01/16/1996
  • Issued: 12/10/2002
  • Est. Priority Date: 01/16/1996
  • Status: Expired due to Term
First Claim
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1. A method for interfacing a portable computer to an expansion base unit having peripherals maintained in a powered-down state prior to said interfacing, comprising the steps of:

  • inserting said portable computer into said expansion base unit;

    initiating a physical connection between said portable computer and said expansion base unit without employing buffers, on at least signal lines on the peripheral option side of said physical connection, to prevent data corruption;

    generating an interrupt signal in said portable computer in response to said initial physical connection;

    detecting said interrupt signal interrupt signal in said portable computer;

    suspending all activity on a plurality of signal pathways in said portable computer connected to the portable computer side of said physical connection;

    completing said physical connection between said portable computer and said expansion base unit;

    thereafter applying power to said plurality of peripheral devices communicably linked to said expansion base unit; and

    restoring activity on said plurality of signal pathways.

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