Article View: comp.arch
Article #22263Re: Parity (was: Time between memory failure)
From: Wm E Davidsen Jr
Date: Thu, 08 Feb 1990 19:07
Date: Thu, 08 Feb 1990 19:07
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1566 bytes
In article <31673@shemp.CS.UCLA.EDU> frazier@oahu.UUCP (Greg Frazier) writes:
| Correct me if I'm wrong, but aren't we talking about soft
| errors, here? If so, the repair man isn't going to see
| them.
You make a good point. If I see an error infrequently, not in the
same location, I can accept that as a soft error. If I see failure at
one location, even only a few times a year, I assume that it is a
marginal part.
There are several programs which allow changing the refresh rate on a
PC style machine. I find that "soft errors" go away when memory tests
are run on a system with slowed refresh, and the marginal parts are
replaced. I talked to the repair guy again, and he said that people are
not reporting intermittent errors. I don't know if that means they don't
mention them, or the memory tests find them. We do tend to replace
memory as bad if the error rate is non-zero, easier now that prices are down.
--
bill davidsen (davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
"Stupidity, like virtue, is its own reward" -me
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!crdgw1!crdos1!davidsen From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr) Newsgroups: comp.arch Subject: Re: Parity (was: Time between memory failure) Message-ID: <2104@crdos1.crd.ge.COM> Date: 8 Feb 90 19:07:47 GMT References: <1911@sunquest.UUCP> <38420@apple.Apple.COM> <2102@crdos1.crd.ge.COM> <31673@shemp.CS.UCLA.EDU> Reply-To: davidsen@crdos1.crd.ge.com (bill davidsen) Organization: GE Corp R&D Center, Schenectady NY Lines: 22