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Diagnosing On-Card Error Checking and Correcting Operations Using Latched Syndrome Data

IP.com Disclosure Number: IPCOM000036460D
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Arlington, DL Hansen, RC Rogers, JF [+details]

Abstract

The use of a wide system data bus can limit the number of control and error lines that exist at an interface of fixed physical size, i.e., memory card. A unique way to obtain error correction code (ECC) status data for diagnostics, requiring the monitoring of only a few error lines, is accomplished in the following manner.