Date: Thu, 13 Feb 2020 13:27:17 -0800 From: Chris <bsd-lists@BSDforge.com> To: <freebsd-current@freebsd.org> Subject: Re: Which AMD CPUs are supported -- temperature Message-ID: <ff7b71302eb9f61fb6de5c087c9c0d85@udns.ultimatedns.net> In-Reply-To: <048f31ec-e025-e668-d941-77d5a6c9ca96@sentex.net>
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On Thu, 13 Feb 2020 11:35:18 -0500 mike tancsa mike@sentex.net said > On 2/13/2020 2:22 AM, Peter Jeremy wrote: > > On 2020-Feb-12 15:23:51 -0500, mike tancsa <mike@sentex.net> wrote: > >> Not sure about the older Athlon CPUs, but the 2 generations of Ryzen's I > >> have seem correct as well as an APU > >> > >> CPU: AMD GX-412TC > > SOC (998.17-MHz > > K8-class CPU) > > OTOH, I'm not confident about temperatures on my APU. The publicly > > > >> And on a fanless APU > >> > >> # sysctl -a dev.cpu.0.temperature > >> dev.cpu.0.temperature: 62.6C > >> > >> # sysctl -a dev.amdtemp.0.core0.sensor0 > >> dev.amdtemp.0.core0.sensor0: 63.1C > > At what ambient temperature? I see a similar value from my (idle) APU3 > > but don't believe the (implied) ~35K junction-to-ambient difference. > > Actually, it does seem a bit high. This is read from a PCEngines APU3. > Since the CPU dissipates heat off the bottom metal case, I cant point my > thermal laser temp reader directly at the CPU. Reading the temp off the > top of the mother board with the top of the case off, I cant find any > spots hotter than 35C... So 62C is probably a lot higher than it > actually is. My BIOS appears to have the correct temp reading. Would it be of any use to anyone besides myself, if I were to decompile it, and get the source for the temp reading/monitoring from it? --Chris > > ---Mike > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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