Date: Mon, 9 Jun 2008 00:15:15 -0400 From: Jason Morgan <jwm-freebsd-questions@sentinelchicken.net> To: freebsd-questions@freebsd.org Subject: Re: Whine when EHCI controller enabled in BIOS Message-ID: <20080609041515.GB61635@sentinelchicken.net> In-Reply-To: <7039ada60806082040s36afc2c8n4698402ac5d4ff29@mail.gmail.com> References: <7039ada60806082040s36afc2c8n4698402ac5d4ff29@mail.gmail.com>
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On Sun, Jun 08, 2008 at 09:40:17PM -0600, James wrote: > I have a high pitched whine coming from my motherboard when the EHCI > USB 2.0 controller is enabled in the BIOS. The whine only starts once > FreeBSD 7.0-RELEASE is halfway through booting. > > The whine also goes away when I plugin a USB drive in with EHCI > controller enabled (usb keyboard and mouse being already plugged in). > > Is this a hardware problem, or could it possibly be software related??? I can't imagine this is a software issue. Sounds strange. Have you tried to see if it isn't a fan issue? We have some Dell GX280s with a bad batch of motherboards at my university---under specific conditions (e.g., using certain video cards) the system fan will spin up 'til the system sounds like it's about to take off. Good luck, ~Jason
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