Patents by Inventor Man Wah Ma

Man Wah Ma 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 to generate and save run time data
    Patent number: 7475291
    Abstract: A method is disclosed to generate and save run time data. The method supplies an embedded device comprising a processor which includes a processor cache, memory, a hardware trace facility comprising a plurality of data buffers, where the embedded device is capable of communicating with one or more host adapter ports. The method generates a trace entry, stores that trace data entry in the processor cache, and then writes the trace data entry to the plurality of data buffers.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: January 6, 2009
    Assignee: International Business Machines Corporation
    Inventors: Charles Scott Cardinell, Roger G. Hathorn, Man Wah Ma, Kimberly A. Thomas
  • Management of memory controller reset
    Patent number: 7337367
    Abstract: An error handling method is provided for processing adapter errors. Rather than executing a disruptive controller hardware reset, an error handling routine provides instructions for a reset operation to be loaded and executed from cache while the SDRAM is in self-refresh mode and therefore unusable.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: February 26, 2008
    Assignee: International Business Machines Corporation
    Inventors: Lucien Mirabeau, Charles S Cardinell, Man Wah Ma, Ricardo S Padilla