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I am using fedora 34 with gnome and the cpufreq extension to control the execution speed of the cpu of a computer.

I have configured it to run in power saving mode, thus when doing nothing the cpu clock is about 600mhz when i configure the extension to use "1%" as minimum.

I would like to know if i can lower even more the cpu clock. Is there any chance to meet undesirable bugs ? Would this be more appropriate for even more power saving ?

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    What model CPU do you have (and what motherboard)? I posit that you cant go lower then 600 because thr CPU wont support it. If you more power savings and hardware supports it, maybe you need to be looking at a lower-then-os level like undervolting and/or sleep states.
    – davidgo
    May 25, 2021 at 21:42
  • Why are you trying to "save power"? Reduce heat generation? Save on energy bill? For the latter, proper PSU sizing is probably more important.
    – sawdust
    May 25, 2021 at 23:47
  • @sawdust Reduce heat generation? Save on energy bill? heat definitely. saving on energy bill is not bad either ; )
    – mh-cbon
    May 26, 2021 at 8:11
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    I don't have an answer for you, but from askubuntu.com/questions/1202352/… you should be able to set the frequency to 400Mhz on this cpu. (No idea how accurate that is)
    – davidgo
    May 26, 2021 at 9:09
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    At the level of 400 or 600mhz, your power savings and additional heat disipation are going to be almost immeasurable, and I'd be surprised if you saved as much as $1 per year.
    – davidgo
    May 26, 2021 at 9:13

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