From: "Måns Rullgård" <mru@mru.ath.cx>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Pavel Machek <pavel@ucw.cz>, "Yu, Luming" <luming.yu@intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: High pitched noise from laptop: processor.c in linux 2.6
Date: Wed, 20 Oct 2004 19:13:15 +0200 [thread overview]
Message-ID: <yw1xwtxl2tzo.fsf@mru.ath.cx> (raw)
In-Reply-To: <1098291205.1429.76.camel@krustophenia.net> (Lee Revell's message of "Wed, 20 Oct 2004 12:53:25 -0400")
Lee Revell <rlrevell@joe-job.com> writes:
> On Wed, 2004-10-20 at 12:37, Måns Rullgård wrote:
>> I've noticed my laptop makes a slight noise whenever there's heavy
>> network traffic. Maybe that could be used to control the pitch even
>> without a kernel hack.
>
> Well, in your case the bad capacitors might be in the NIC. The ethernet
> phones at my last job were so cheaply made that you could hear it ARPing
> through your computer speakers.
I have and old Alphastation where the onboard sound card picks up all
sorts of noise. If you connect some speakers everything gets it's own
special noise, from cache misses to SCSI traffic.
> I bet you could actually identify the singing capacitor using a
> telephone toner wand. IMHO this is a bad enough problem to RMA it.
Not really, it's barely noticeable in a quiet room.
--
Måns Rullgård
mru@mru.ath.cx
next prev parent reply other threads:[~2004-10-21 12:00 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-18 3:51 Yu, Luming
2004-10-18 11:41 ` Pavel Machek
2004-10-20 14:47 ` Måns Rullgård
2004-10-20 15:47 ` Pavel Machek
2004-10-20 16:37 ` Måns Rullgård
2004-10-20 16:49 ` Jan-Benedict Glaw
2004-10-20 16:53 ` Pavel Machek
2004-10-20 16:53 ` Lee Revell
2004-10-20 17:13 ` Måns Rullgård [this message]
2004-10-21 20:32 ` Lee Revell
2004-10-21 21:39 ` Jon Masters
2004-10-20 23:31 ` Giuseppe Bilotta
-- strict thread matches above, loose matches on Subject: below --
2004-10-17 5:21 Albert Cahalan
2004-10-07 9:30 Fraz
2004-10-07 10:32 ` Pavel Machek
2004-10-07 10:53 ` Måns Rullgård
2004-10-07 14:32 ` Pavel Machek
2004-10-16 19:52 ` Lee Revell
2004-10-16 21:46 ` Alan Cox
2004-10-17 1:24 ` Lee Revell
2004-10-17 1:50 ` Kyle Moffett
2004-10-17 2:21 ` Alan Cox
2004-10-17 3:33 ` Lee Revell
2004-10-22 11:40 ` Alexandre Oliva
2004-10-16 19:59 ` Måns Rullgård
2004-10-16 20:42 ` Pavel Machek
2004-10-07 14:34 ` Pavel Machek
2004-10-17 0:45 ` Alex Riesen
2004-10-07 10:37 ` Christian Hesse
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