Date: Tue, 24 Nov 1998 02:28:24 +0200 (EET) From: Florin Nicolescu <fnicoles@pcnet.pcnet.ro> To: dan@wolf.com (Dan Mahoney) Cc: freebsd-hackers@FreeBSD.ORG (FreeBSD-hackers) Subject: Re: sever ide hdd crash Message-ID: <199811240028.CAA01113@nick.ro> In-Reply-To: <19981123162257.A8896@wolf.com> from Dan Mahoney at "Nov 23, 98 04:22:57 pm"
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-----BEGIN PGP SIGNED MESSAGE----- > I normally hesitate to recommend such low-level steps, > but my next recommendation would be to get your hands > on a good digital voltmeter and look at the output of > the PC power supply. If you have an unused disk-drive > power connector, monitor the voltages there while the > machine is running - preferably, while it is performing > the same type of operation that has been leading up to > system failures. > > Look at the DC voltage levels, and look also at any AC > component that might be present. If you have tried > swapping out everything except the case and the CPU, > then that might be the problem - since the power > supply stays with the case. > > BUT BE CAREFUL! Doing anything with the system running > is risky, and messing around with the power connectors > while power is applied makes it very easy to toast your > system if you jumper the wrong points together. > What is the accepted variance of the voltage (in mv)? I think I will take the chance as soon as I get one VU meter. Thanks. Florin - -- - ------------------------------------------------------------------ | Florin-Nicolae Nicolescu <fnicoles@pcnet.pcnet.ro> | | University of Bucharest, Faculty of Mathematics | | Bucharest,Romania | - ------------------------------------------------------------------ | Friends don't let friends use Windows. | | Double your hard drive space instantly! Delete Windows! | - ------------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: 2.6.3ia Charset: noconv iQCVAwUBNln9mG95n9Jm9dehAQEKWAQAoP8kjMyGOwPhJ6zc66G35q4l1bkshpbH f33nVr+whnNwHbvwQYFdZZxfotRkuJB0siockQ26aD0gcWexhAApGd3rLW/jpd/C IQHp+1isSRLAuqCdWUoyaEIjVGbDuHkBPugL8sqXyO89UCbhK8/KFdwQ31lUsY5h pndEz2TxlQo= =N+SG -----END PGP SIGNATURE----- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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