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Cpu not entering cstate anymore

MingLee420
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Recently got new ram but cleared bios for some reason but i entered most things i remember but my cpu isnt going into c state like maybe for a split second and never goes back down did edit power plan, i have cstates enabled have dynamic core clock and offset voltage and used to work but now dosent did i forget something in bios?

  • CPU
    10700k 5ghz all core
    1.275, 0 Avx 47 Ring Ratio 
  • Motherboard
    MSI Z590 A Pro
  • RAM
    Kingston Fury 2x16gb 3600mhz
  • GPU
    RTX 3080 Gaming Oc Revision 2
  • Case
    CoolerMaster H500
    2x 200mm front, 200mm top, a12x15 back
  • Storage
    970 Evo Plus 500gb, Sn550 1tb, 2tb barracuda, 860 evo 500gb, wd 5400rpm 1tb
  • PSU
    RM750x
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Maybe I'm behind the times, but what is "C State"?  And how do you know it has gone into it for a split second?

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My friend gave me his Epi-pen as he was dying.  It seemed very important to him that I have it.

 

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Just now, shoutingsteve said:

Maybe I'm behind the times, but what is "C State"?  And how do you know it has gone into it for a split second?

i use hwinfo, c state allows the cpu to use less power/core voltage and downclocks the cpu to like 800mhz when idle

  • CPU
    10700k 5ghz all core
    1.275, 0 Avx 47 Ring Ratio 
  • Motherboard
    MSI Z590 A Pro
  • RAM
    Kingston Fury 2x16gb 3600mhz
  • GPU
    RTX 3080 Gaming Oc Revision 2
  • Case
    CoolerMaster H500
    2x 200mm front, 200mm top, a12x15 back
  • Storage
    970 Evo Plus 500gb, Sn550 1tb, 2tb barracuda, 860 evo 500gb, wd 5400rpm 1tb
  • PSU
    RM750x
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@MingLee420 The C states have nothing to do with down clocking the processor to 800 MHz. The Windows Balanced power plan with the Minimum processor state set to the default 5% is what controls the CPU lowering its MHz. I replied to the other thread where you posted this same question. 

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34 minutes ago, unclewebb said:

@MingLee420 The C states have nothing to do with down clocking the processor to 800 MHz. The Windows Balanced power plan with the Minimum processor state set to the default 5% is what controls the CPU lowering its MHz. I replied to the other thread where you posted this same question. 

 yh but the vcore was also at 1.29 but i just realised that microsoft store was donwloading 100gb of a game in the background but i paused and looks to be normal 

  • CPU
    10700k 5ghz all core
    1.275, 0 Avx 47 Ring Ratio 
  • Motherboard
    MSI Z590 A Pro
  • RAM
    Kingston Fury 2x16gb 3600mhz
  • GPU
    RTX 3080 Gaming Oc Revision 2
  • Case
    CoolerMaster H500
    2x 200mm front, 200mm top, a12x15 back
  • Storage
    970 Evo Plus 500gb, Sn550 1tb, 2tb barracuda, 860 evo 500gb, wd 5400rpm 1tb
  • PSU
    RM750x
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29 minutes ago, MingLee420 said:

but the vcore was also at 1.29

When the C states are enabled, you can ignore the reported vcore. When a core enters the C7 state, it is disconnected from the voltage rail so it is sitting idle at 0 volts. There is no way for monitoring software to accurately measure this. That is like poking someone in the ribs and asking them if they are asleep. 

 

Instead of voltage, concentrate on C state percentages. 

 

On my desktop computer, I do not bother slowing the CPU down when it is idle. It is not necessary if the C states are enabled. You can get great idle power consumption and temperatures even when all 10 cores are running at 5000 MHz. 

 

image.png.ec9ec8ff0c477c8dec370d3e344cbf83.png

 

 

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