Patents by Inventor Anthony Paul Casano

Anthony Paul Casano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for emulating an I/O instruction for the correct processor and for servicing software SMI's in a multi-processor environment
    Patent number: 6571206
    Abstract: A method for controlling I/O in a multi-processor environment, comprising the steps of: determining if an I/O instruction requiring an interrupt is being executed by one of the processors in the multi-processor environment to transfer data or a command between the processor and an I/O device; performing an interrupt if such an I/O instruction is detected; determining which of the processors in the multi-processor environment is executing an I/O instruction; if only one of the processors is executing an I/O instruction, setting a Last Processor indicator designating that one processor as the processor executing the I/O instruction; and transferring data or a command between the processor designated in the Last Processor indicator and the I/O device in response to the I/O instruction.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: May 27, 2003
    Assignee: Phoenix Technologies Ltd.
    Inventors: Anthony Paul Casano, David Steven Edrich