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.

Date of Patent:
Apr. 24, 2007

Filed:

Sep. 04, 2003
Applicants:

Dale E. Gulick, Austin, TX (US);

Geoffrey S. Strongin, Austin, TX (US);

William A. Hughes, San Jose, CA (US);

Inventors:

Dale E. Gulick, Austin, TX (US);

Geoffrey S. Strongin, Austin, TX (US);

William A. Hughes, San Jose, CA (US);

Assignee:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/12 (2006.01); G06F 12/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A computer system includes a processor which may initialize a secure execution mode by executing a security initialization instruction. Further, the processor may operate in the secure execution mode by executing a secure operating system code segment. The computer system also includes a system memory configured to store data in a plurality of locations. The computer system also includes a memory controller which may selectively clear the data from a programmed range of the memory locations of the system memory when enabled in response to a reset of the processor.


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