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Modem with firmware upgrade feature

  • US 6,928,108 B2
  • Filed: 10/10/2001
  • Issued: 08/09/2005
  • Est. Priority Date: 07/02/1993
  • Status: Expired due to Fees
First Claim
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1. An apparatus comprising:

  • an interface adapted to couple with a communication network;

    a controller coupled to the interface;

    a boot program executable by the controller;

    a first operating code to control the apparatus;

    a first memory coupled to the controller and adapted to store the boot program and the first operating code; and

    a second memory coupled to the controller, the controller operable for executing the boot program to receive a plurality of packets from a remote computer coupled to the communication network and to check the validity of each packet of the plurality of packets and to store a portion of each packet in a second memory coupled to the controller, and after receiving an upgrade command from the remote computer and after checking the validity, to replace the first operating code with a second operating code based on the portion of each packet stored in the second memory.

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