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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!agis!ns2.mainstreet.net!bug.rahul.net!a2i!bjork.a2i!bjork From: Steven Bjork <bjork@rahul.net> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Memory making sounds. Date: 11 Sep 1995 19:50:00 GMT Organization: a2i network Lines: 20 Message-ID: <4323t9$glk@bug.rahul.net> References: <431vkc$n5v@ecom1.ecn.bgu.edu> NNTP-Posting-Host: foxtrot.rahul.net NNTP-Posting-User: bjork In article <431vkc$n5v@ecom1.ecn.bgu.edu>, Thomas B Blackman <gblackm@uxa.ecn.bgu.edu> wrote: >Ok, I know is sounds weird but its true. I have a friend running 2.0.5 >release and he gets a strange sound coming off the motherboard. >Listening closely its sounds like its coming from the memory banks and >sounds like a scratching sound. This problem mainly happens when he is >compiling something. Oh, yes I hear machines all the time. Usually it's the switching power supply working into a changing load that makes the sounds, but I can imagine older, power hungry memories kinda humming, too. Years ago I would routinely program eproms and I could tell a bad eprom because the sound I could hear when they were being programmed was different. This was with a linear supply. Good ears... ../Steven