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Lenovo Thinkstation P3 Ultra Workstation has 3 fans, but only shows sensor for fan in addon Nvidia GPU.


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Lenovo P3 Ultra Workstation. Only shows sensor for Nvidia GPU FAN.  CPU cooling fan and system fan over NVMe's are both missing.

Motherboard Name    Lenovo ThinkStation P3 Ultra

CPUID CPU Name    13th Gen Intel(R) Core(TM) i9-13900T

BIOS Version    S0JKT13A

 Temperatures:
      CPU                                               28 °C
      CPU Package                                       59 °C
      CPU IA Cores                                      59 °C
      CPU GT Cores                                      51 °C
      CPU #1 / Core #1                                  52 °C
      CPU #1 / Core #2                                  51 °C
      CPU #1 / Core #3                                  49 °C
      CPU #1 / Core #4                                  48 °C
      CPU #1 / Core #5                                  50 °C
      CPU #1 / Core #6                                  53 °C
      CPU #1 / Core #7                                  50 °C
      CPU #1 / Core #8                                  59 °C
      CPU #1 / Core #9                                  50 °C
      CPU #1 / Core #10                                 50 °C
      CPU #1 / Core #11                                 50 °C
      CPU #1 / Core #12                                 50 °C
      CPU #1 / Core #13                                 52 °C
      CPU #1 / Core #14                                 52 °C
      CPU #1 / Core #15                                 52 °C
      CPU #1 / Core #16                                 52 °C
      CPU #1 / Core #17                                 53 °C
      CPU #1 / Core #18                                 53 °C
      CPU #1 / Core #19                                 53 °C
      CPU #1 / Core #20                                 53 °C
      CPU #1 / Core #21                                 51 °C
      CPU #1 / Core #22                                 51 °C
      CPU #1 / Core #23                                 51 °C
      CPU #1 / Core #24                                 51 °C
      GPU                                               62 °C
      GPU Hotspot                                       65 °C
      GPU Memory                                        78 °C
      DIMM1                                             46 °C
      DIMM2                                             49 °C
      DIMM3                                             48 °C
      DIMM4                                             50 °C
      KXG8AZN84T09 LA KIOXIA (638FC07SF00U)             42 °C
      KXG8AZN84T09 LA KIOXIA (638FC0C4F00U)             41 °C

    Cooling Fans:
      GPU                                               3196 RPM  (34%)

    Voltage Values:
      CPU Core                                          1.273 V
      CPU VID                                           1.273 V
      GPU Core                                          0.645 V

    Power Values:
      CPU Package                                       20.95 W
      CPU IA Cores                                      9.02 W
      CPU GT Cores                                      11.92 W
      GPU                                               30.29 W
      GPU TDP%                                          43%
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I think those fans are not controllable from OS, only from BIOS, according to this answer in Lenovo support forums: https://forums.lenovo.com/t5/ThinkStation-Workstations/Fan-Control-on-ThinkStations/m-p/5014686 

You can try with FanControl. 
https://github.com/Rem0o/FanControl.Releases
If not even FanControl can detect them, there is nothing to do, because their signal is not exposed from the hardware to OS.

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