Article View: comp.sys.ibm.pc
Article #42359Re: 201 Memory Fault Code question
From: Allen J Michielsen
Date: Tue, 06 Feb 1990 19:14
Date: Tue, 06 Feb 1990 19:14
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In article <25c86ca0:4498.1comp.sys.ibm.pc;1@vpnet.UUCP> akcs.amparsonjr@vpnet.UUCP (Anthony M. Parson, Jr.) writes: >I've seen ads for software that purport to be able to tell you the exact >chip that is defective. In the 201 error, is the row number of the first defective chip. This number is usually / always correct. However, the rest of the info, or any software perports to being able to identify the defective chip further is best guessing. Some best guess better than others. If it's a soft error (most common) the best guess is pretty lousy. If it's a hard error the best guess is pretty close or good. If the error is actually in row 0, I don't believe any software in the world exists to identify the defectice chip better than 1/9. Most commonly, rows of chips come from the same mfg lot. My experience indicates that the tend to develope soft errors in close time related batches. al
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arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!uakari.primate.wisc.edu!uflorida!mailrus!cs.utexas.edu!usc!brutus.cs.uiuc.edu!psuvax1!psuvm!cunyvm!uupsi!rodan!amichielReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!uakari.primate.wisc.edu!uflorida!mailrus!cs.utexas.edu!usc!brutus.cs.uiuc.edu!psuvax1!psuvm!cunyvm!uupsi!rodan!amichiel From: amichiel@rodan.acs.syr.edu (Allen J Michielsen) Newsgroups: comp.sys.ibm.pc Subject: Re: 201 Memory Fault Code question Keywords: legend howto Message-ID: <2001@rodan.acs.syr.edu> Date: 6 Feb 90 19:14:49 GMT References: <536@smcnet.UUCP> <25c86ca0:4498.1comp.sys.ibm.pc;1@vpnet.UUCP> Reply-To: amichiel@rodan.acs.syr.edu (Allen J Michielsen) Organization: Syracuse University, Syracuse, NY Lines: 16