Which AMD CPUs are supported -- temperature

[Chris]

On Thu, 13 Feb 2020 11:35:18 -0500 mike tancsa mike at sentex.net said

> On 2/13/2020 2:22 AM, Peter Jeremy wrote:
> > On 2020-Feb-12 15:23:51 -0500, mike tancsa <mike at 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
> 
> 
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