Date: Thu, 30 Dec 1999 16:27:34 -0800 From: "David Schwartz" <davids@webmaster.com> To: <tsikora@powerusersbbs.com>, <freebsd-stable@FreeBSD.ORG> Subject: RE: Temperature Findings Message-ID: <000001bf5325$d5335630$021d85d1@youwant.to> In-Reply-To: <386BF6CA.EA00DF5C@home.com>
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It's really simple, your machine was configured beyond recommended settings and as a result was unable to run at full speed for long periods of time. Returning the machine to recommended settings solved the problem. Case closed. Your machine was a ticking time bomb for any OS. DS > I had one my technicians set up a scope to test the voltage readings and > a Cooper temperature gauge to check the case temp. We decided to abandon > the CPU test since we had no accurate way to attach the gauge. Our > findings: > The voltage readings by the winbond IC in the bios are accurate. > The case temperature was 5F cooler than reported. > So I would conclude the readings from the bios are a fairly accurate > representation of the machines current condition. > > Things I failed to mention. > The CPU's were overclocked by 100MHz > Core CPU Voltage was raised a 1/2 step to 2.05V > > o This still does not explain the differences between Linux > and FreeBSD. > o The standard 3.3-RELEASE UniProcessor kernel runs identical to > Linux. > o FreeBSD SMP kernels immediately run hotter than the standard > kernel. > > I put Core voltage back to normal and set the CPU's to standard > settings. The result was much better but it still runs about 14 degrees > hotter.(acceptable) 26 degrees was not. > > Has anyone else checked this. Just checking the Generic versus a SMP > kernel you should see this. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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