From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Q4Ch6-00060u-3b for garchives@archives.gentoo.org; Mon, 28 Mar 2011 13:41:20 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A27D31C01E; Mon, 28 Mar 2011 13:40:56 +0000 (UTC) Received: from foo.stuge.se (foo.stuge.se [213.88.146.6]) by pigeon.gentoo.org (Postfix) with SMTP id 437BB1C01E for ; Mon, 28 Mar 2011 13:40:55 +0000 (UTC) Received: (qmail 20068 invoked by uid 501); 28 Mar 2011 13:40:54 -0000 Message-ID: <20110328134054.20067.qmail@stuge.se> Date: Mon, 28 Mar 2011 15:40:54 +0200 From: Peter Stuge To: gentoo-catalyst@lists.gentoo.org Subject: Re: [gentoo-catalyst] LiveCD: Unpacking Firmware Mail-Followup-To: gentoo-catalyst@lists.gentoo.org References: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-catalyst@lists.gentoo.org Reply-to: gentoo-catalyst@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Archives-Salt: X-Archives-Hash: 31e590f9137d6d43ea8b6336fb6397e4 Colleen Josephson wrote: > high-pitched hum coming from the audio jacks > (occurs on both MB sound and a creative sound card) What are some of the main system components? Which type CPU and chipset? My guess would be that this is related to the power supply, and that power management of some hardware couples over to the audio codec. //Peter