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:
Jul. 07, 1998
Filed:
Jun. 28, 1996
Applicant:
Inventor:
Phillip E Mattison, Gilbert, AZ (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H04K / ;
U.S. Cl.
CPC ...
380 25 ; 380-4 ; 380 23 ;
Abstract
In a computer system having a processor, a system memory, a flash memory, and a memory controller, a method comprising the steps of loading a flash memory upgrade program containing a new flash memory image and a digital signature into a portion of the system memory; configuring the memory controller to limit the processor to accessing only the flash memory and the portion of the system memory; verifying the flash memory update program using the digital signature; and, updating the flash memory only if the flash memory upgrade program is authentic.