The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Jun. 09, 2006
Jason N. Dale, Austin, TX (US);
Jonathan J. Dement, Austin, TX (US);
Clark M. O'niell, White Plains, NY (US);
Steven L. Roberts, Cedar Park, TX (US);
Jason N. Dale, Austin, TX (US);
Jonathan J. DeMent, Austin, TX (US);
Clark M. O'Niell, White Plains, NY (US);
Steven L. Roberts, Cedar Park, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Masking a boot sequence by providing a dummy processor is provided. One of the processors of a multiprocessor system is chosen to be a boot processor. The other processors of the multiprocessor system execute masking code that generates electromagnetic and/or thermal signatures that mask the electromagnetic and/or thermal signatures of the actual boot processor. The execution of the masking code on the non-boot processors preferably generates electromagnetic and/or thermal signatures that approximate the signatures of the actual boot code execution on the boot processor. One of the non-boot processors is selected to execute masking code that is different from the other masking code sequence to thereby generate an electromagnetic and/or thermal signature that appears to be unique from an external monitoring perspective.