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    Is it possible to control fans in pfense ?

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    • GrimsonG
      Grimson Banned
      last edited by

      @firefox:

      Is there a way to make him work permanently ?

      Get an adapter like this: https://www.amazon.com/ExtremeMod-Computer-Connector-Y-Splitter-Adapter/dp/B00DU8ZZ0O and connect it directly to the PSU. If the fan still stops at random it's either broken or has it's own temp control, in that case replace it.

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      • F
        firefox
        last edited by

        It might be possible to set the fan control values if it's a 3 or 4 wire controlled fan but it would probably require some coding and poking about.

        it is 3 wire fan

        I will first try to connect it directly to power supply as Grison suggested
        First the simpler solution

        If that does not work I will proceed from there

        Thanks for the help

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        • R
          Ryu945
          last edited by

          @firefox:

          The temperature on the computer is about 54 degrees
          That's high
          I added a fan in the front part but it did not matter
          I noticed that the rear fan stops working from time to time
          Is there a way to make him work permanently ?
          I did not find bios option to adjust the fans

          On the previous computer which is older it was fixed between 35 and 40 degrees

          Is the fan plugged into the  power/control area for the CPU fan?

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          • F
            firefox
            last edited by

            Is the fan plugged into the  power/control area for the CPU fan?

            yes
            cpu fan has 4 wire

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            • F
              firefox
              last edited by

              Something strange I found
              I opened the case to connect the rear fan directly to a power supply
              So now he works very fast and makes a lot of noise
              I tried to connect the rear fan to another connection on the motherboard of a fan
              And there it works exactly as if I connected it directly to power supply

              I connected the front fan to the rear fan connector or power supply
              In both cases the fan operates but not as fast as the rear fan

              I left the rear fan connected to the front fan connector
              And the front fan is directly connected to the power supply

              The temperature is now about 45 degrees

              But there is a lot of noise from the computer chassis
              Because of the rear fan that works at maximum speed

              By the way these are simple 92 mm fans 3 wires

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              • R
                Ryu945
                last edited by

                @firefox:

                Is the fan plugged into the  power/control area for the CPU fan?

                yes
                cpu fan has 4 wire

                What I meant was there are other fan ports that are not the CPU fan port.  Is it plugged into the CPU one or another one?

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                • F
                  firefox
                  last edited by

                  there are 3 fan port
                  1 cpu
                  2 system fan

                  The CPU fan is connected to the CPU port
                  rear fan is connected to a system port 1
                  Front fan connected to system port 2

                  There's another port I do not recognize
                  The connection is the same as that of the fans

                  I plugged in a fan but it does not work

                  I added a picture of the motherboard if that would help (lenovo rev vo.3)
                  In a red circle, a 4-pin plug (cpu fan is connected here)
                  In the white circles a 3-pin plug (system fans is connected here)
                  in the brown circle the plug I do not know what it is

                  1.jpg
                  1.jpg_thumb

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                  • stephenw10S
                    stephenw10 Netgate Administrator
                    last edited by

                    Does the BIOS temperature reading agree with that coretemp is showing? It can report incorrectly if it doesn't have the correct TJmax value for that CPU.

                    Steve

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                    • F
                      firefox
                      last edited by

                      Does the BIOS temperature reading agree with that coretemp is showing?

                      yes
                      This page of pc Health in the bios

                      ![Screenshot from 2018-01-11 19-38-55.png](/public/imported_attachments/1/Screenshot from 2018-01-11 19-38-55.png)
                      ![Screenshot from 2018-01-11 19-38-55.png_thumb](/public/imported_attachments/1/Screenshot from 2018-01-11 19-38-55.png_thumb)

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                      • ?
                        Guest
                        last edited by

                        This is probably because it's a lenovo-specific motherboard and its firmware is specifically designed for the case this originally came with. As soon as you deviate from what the OEM intended to do with it and if the firmware is limited, this type of annoying issue becomes rather common.

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                        • F
                          firefox
                          last edited by

                          I understand
                          Thanks for the help
                          I'll try to get another motherboard

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                          • SammyWooS
                            SammyWoo
                            last edited by

                            @firefox:

                            I guess if the rear fan works without breaks
                            The temperature will drop to a lower level

                            Dude, the pic shows the cpu is sitting at only 35c, the ZONE is the one getting 55.  What is this ZONE? Not the cpu I don't think.  Does this temperature stay static? come up like that the minute you boot, then it's a bogus sensor to be ignored, otherwise some part of the Mobo, not cpu, is getting the 55c.  Own an IR thermometer? real fun and useful.

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