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:
Apr. 17, 2001
Filed:
Dec. 23, 1996
Applicant:
Inventors:
Jonathan Darrel Coker, Rochester, MN (US);
Richard Greenberg, Rochester, MN (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 2/900 ; H03M 1/300 ;
U.S. Cl.
CPC ...
G11C 2/900 ; H03M 1/300 ;
Abstract
A method and apparatus are provided for utilizing error correction code (ECC) in a direct access storage device (DASD). A plurality of predetermined file conditions are identified. Each of the plurality of predetermined file conditions are related to a read data raw error rate. An ECC burst control is provided with an ECC engine for varying an ECC correction power of the ECC engine. The ECC correction power is selectively varied responsive to the identified predetermined file conditions.