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:
Dec. 06, 2005
Filed:
Sep. 26, 2002
James A. Williams, Mahtomedi, MN (US);
Robert H. Andrighetti, Somerset, WI (US);
Conrad S. Shimada, Oakdale, MN (US);
Kelvin S. Vartti, Hugo, MN (US);
Stephen Sutter, Osseo, MN (US);
Chad M. Sonmore, Blaine, MN (US);
James A. Williams, Mahtomedi, MN (US);
Robert H. Andrighetti, Somerset, WI (US);
Conrad S. Shimada, Oakdale, MN (US);
Kelvin S. Vartti, Hugo, MN (US);
Stephen Sutter, Osseo, MN (US);
Chad M. Sonmore, Blaine, MN (US);
Unisys Corporation, Blue Bell, PA (US);
Abstract
An improved system and method are provided for initializing memory in a data processing system. According to one aspect of the invention, a 'page zero' instruction is provided that may be executed by an Instruction Processor to initiate memory initialization. Upon instruction execution, the IP issues one or more page zero requests using a background interface of the IP. In one embodiment, each request results in the initialization of a page of memory. While page zero requests are issued over the background interface, the IP may continue issuing other read and write requests to memory over a primary interface of the IP.