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Article #169Re: noisy DVD CD RW combo drive question
From: Justin Thyme
Date: Sun, 28 Mar 2004 07:07
Date: Sun, 28 Mar 2004 07:07
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"raymond" <ojay1@plastica.com> wrote in message news:40662355.6648439@news-server... > just set up this new machine and i can hear a hipitched squealing > noise when transfering info from a cd /dvd to the HD > the volume needs to be 70 -85% on the speakers etc to hear it > i have never heard this with cd and cd rw only drives.. > anyone else had this or heard of it?? > thanks It's electrical interference, basically poor mainboard design caused by: 1. insufficient electrical shielding between the pcb tracks that carry audio and the tracks that carry data. 2. insufficient electrical isolation between the audio chipset and the rest of the mainboard functions.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d683,7145cc821638582f X-Google-Attributes: gid10d683,public X-Google-Thread: 100a73,7145cc821638582f X-Google-Attributes: gid100a73,public X-Google-ArrivalTime: 2004-03-27 23:07:38 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!newsfeed2.dallas1.level3.net!news.level3.com!zeus.visi.com!news-out.visi.com!petbe.visi.com!news.octanews.net!news1.optus.net.au!optus!news.optus.net.au!53ab2750!not-for-mail From: "Justin Thyme" <pleasedontspamme@nowhere.com> Newsgroups: aus.computers.cdrom,aus.computers.ibm-pc References: <40662355.6648439@news-server> Subject: Re: noisy DVD CD RW combo drive question Lines: 16 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Original-NNTP-Posting-Host: 203.221.151.216 Message-ID: <406679b4@news.comindico.com.au> X-Original-Trace: 28 Mar 2004 17:07:32 +1100, 203.221.151.216 Date: Sun, 28 Mar 2004 07:07:37 GMT NNTP-Posting-Host: 203.194.27.1 X-Complaints-To: abuse@comindico.com.au X-Trace: news.optus.net.au 1080457657 203.194.27.1 (Sun, 28 Mar 2004 17:07:37 EST) NNTP-Posting-Date: Sun, 28 Mar 2004 17:07:37 EST Organization: Comindico Australia - reports relating to abuse should be sent to abuse@comindico.com.au