Re: smart fans

[Emanuel Berg <moasenwood@zoho.eu>]

Polyna-Maude Racicot-Summerside wrote:

> Maybe you are playing in something you don't really master
> the ins and out of the consequence of what you may do.
> And this is proven by the simple sentence that *hibernation
> cut Internet*. Unless you have a good reason to risk frying
> your CPU then leave it alone.

Oh, I meant to post this to the Debian user ML, not
alt.os.linux ...

> Or buy a system that doesn't use a fan, like the low power,
> low thermal emission CPU used in laptop with only passive
> cooling (heatsink).

I had an RPi3 once and it was completely quiet, at least to
the human ear - no fan. But as you see (the HDD and projector)
while I used it, the fans were on anyway. But for some reason
when you use a computer, that noise don't bug you ...

  https://dataswamp.org/~incal/work-photos/rpi.jpg

So there is no way of disabling the 120/140 mm fans that are
connected to the motherboard from software? Maybe prolong the
cables and have little physical switches (to cut power), if
such things are marketed ...

Because this

  #! /bin/zsh
  # https://dataswamp.org/~incal/conf/.zsh/misc-hw
  temperature () {
      local gpu=$(sensors -j | jq -a '.["nouveau-pci-0100"].temp1.temp1_input')
      local cpu=$(sensors -j | jq -a '.["k10temp-pci-00c3"].Tdie.temp1_input')
      echo "GPU ${gpu}C"
      echo "cpu ${cpu}C"
  }

outputs the CPU and GPU temperature, one could downgrade the
fans gradually and see what good they do - especially when one
isn't using the computer ...

-- 
underground experts united
https://dataswamp.org/~incal