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    Overclocking Pi4 with recalbox 7

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    overclocking pi4 recalbox
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    • phimjohn
      phimjohn last edited by

      Hi guys,

      was just wondering if it is possible to overclock the pi 4 with recalbox 7 installed.
      Would it work through emulation station terminal or config file?
      There is an overclock option in the advanced settings, but it only has the "NONE" option.

      ian57 1 Reply Last reply Reply Quote 0
      • ian57
        ian57 Staff @phimjohn last edited by

        @phimjohn config.txt file only but be very carreful... be sure tu have a good cooling heatsink fan system, because Pi4 heats up a lot.

        "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." Dennis Ritchie

        phimjohn deneme 2 Replies Last reply Reply Quote 0
        • phimjohn
          phimjohn @ian57 last edited by

          @ian57 thanks for the response! I do have sufficient cooling and will go with a light overclock.

          ian57 1 Reply Last reply Reply Quote 1
          • ian57
            ian57 Staff @phimjohn last edited by

            @phimjohn Please tell us the results :

            post here your config.txt modifications and cooling devices to get a stable overclock.

            "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." Dennis Ritchie

            1 Reply Last reply Reply Quote 0
            • phimjohn
              phimjohn last edited by

              I have tried:

              over voltage 6
              arm freq 2000
              gpu freq 600

              I have tested in Raspbian and its been stable, but I'm not sure how to check if the overclock went through when I'm running recalbox. I've tested dreamcast games and they look like they are running the stock values.

              I have edited the config.txt found in the /recalbox/config.txt

              Any suggestions to how I can check the status of the overclock while running recalbox?

              1 Reply Last reply Reply Quote 0
              • myjosito
                myjosito last edited by

                Hi

                with Argon one case, I tried
                over_voltage=6
                arm_freq=2000
                gpu_freq=750

                Works pretty well for me so far (1h psp/dcst games + screensaver). Temp max at 54°.

                RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                ian57 1 Reply Last reply Reply Quote 1
                • ian57
                  ian57 Staff @myjosito last edited by

                  @myjosito a weblink from @Bkg2k https://magpi.raspberrypi.org/articles/how-to-overclock-raspberry-pi-4

                  "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." Dennis Ritchie

                  myjosito 1 Reply Last reply Reply Quote 1
                  • myjosito
                    myjosito @ian57 last edited by myjosito

                    @ian57 Very interesting article, thank you Ian !

                    My first attempt was OV=4, arm=1750, GPU=600. temp was below 51°.
                    So I decided to increase cpu and gpu to resp. 2000/750. But still OV=4. Big mistake, the RPi refused to initiate all the time, and impossible to recover the config.txt in W10. So I had to create a new system in my SDCard. No big deal, but I was pretty upset with me 🙂

                    So I tried 6/2000/750 and it runs pretty fine with my Argon1 case so far, with pretty good temp (<55°C till now).
                    PSP games runs just fine now, except GoW, not very fluid. not a problem, will skip frames or decrease resolution for this game only.

                    the only cons is, from time to time, the RPIs refuses to start. the red led is there, but no signal to the TVset. Not a big issue, I restart everything and the 2nd time it starts well...
                    If I refer to the article, maybe an issue due to the GPU OC. I should try to decrease it to 700, or even less. Also it seems the OC of the GPU is not really useful/needed if I understand well. I also read benchmark results confirming this... I will investigate further...

                    RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                    ian57 Kruton 2 Replies Last reply Reply Quote 0
                    • ian57
                      ian57 Staff @myjosito last edited by

                      @myjosito overclocking... is risky very risky 🙂
                      thx for the feedback

                      "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." Dennis Ritchie

                      myjosito 1 Reply Last reply Reply Quote 0
                      • myjosito
                        myjosito @ian57 last edited by

                        @ian57 said in Overclocking Pi4 with recalbox 7:

                        @myjosito overclocking... is risky very risky 🙂

                        Yes, I confirm.
                        I managed to always recover tricky situations till now (with my desktop or laptop computers CPUs/GPUs)... with no or little damage. But wouldn't recommand it to ppl with no experience at all doing this.

                        RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                        1 Reply Last reply Reply Quote 1
                        • Malphaas
                          Malphaas last edited by Malphaas

                          This post is deleted!
                          1 Reply Last reply Reply Quote 0
                          • Bylos
                            Bylos last edited by

                            Hi all,
                            I have just installed recalbox 7 on my RPi4 and tried some overclocking settings such as :
                            over_voltage=6
                            arm_freq=2140
                            gpu_freq=750

                            When running Raspberry Pi OS, this settings work fine and I can track the CPU freq using the command line
                            watch -n 1 vcgencmd measure_clock arm

                            This command cleary shows the CPU freq increasing to 2GHz and above, depending on CPU load. However when running Recalbox 7, the same command shows that the frequency stays stuck at 700 MHz.
                            Is there any limitation in Recalbox for overclocking a RPi4 ?

                            myjosito 1 Reply Last reply Reply Quote 0
                            • myjosito
                              myjosito @Bylos last edited by

                              @Bylos said in Overclocking Pi4 with recalbox 7:

                              shows the CPU freq increasing to 2GHz and above, depending on CPU load. However when running Recalbox 7, the same command shows that the frequency stays stuck at 700 MHz.

                              Hi,

                              I used "watch -n1 vcgencmd measure_clock arm" a couple of times, and I can tell you it was stuck at 1750 and then 2000 MHz (depending on the value I was specifying in config.txt) when using Recalbox. But I'm using it with the Argon case...

                              RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                              Bylos 1 Reply Last reply Reply Quote 0
                              • Bylos
                                Bylos @myjosito last edited by

                                @myjosito thx for the feedback, that's interesting.
                                Does the argon case involve particular configuration script which would change the rpi4 behaviour ?
                                That makes me wondering why it isn't working on my configuration !
                                Regarding temperature mine is never above 32°C...

                                myjosito 1 Reply Last reply Reply Quote 0
                                • myjosito
                                  myjosito @Bylos last edited by

                                  @Bylos said in Overclocking Pi4 with recalbox 7:

                                  Does the argon case involve particular configuration script which would change the rpi4 behaviour ?

                                  Don't think so...
                                  But when running Recalbox, at least with a game, I guess your Pi should show 1500MHz, not 700 (idle I suppose)

                                  RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                                  Bylos 1 Reply Last reply Reply Quote 0
                                  • Bylos
                                    Bylos @myjosito last edited by Bylos

                                    @myjosito indeed, that's what I thought
                                    I decreased settings to:
                                    over_voltage=5
                                    arm_freq=1750
                                    gpu_freq=600
                                    And now it is working as expected !

                                    I will try to increase values step by step, not knowing which one were causing the issue (overvoltage or cpu frequency)
                                    Thx for showing me that this should have been working !
                                    Regards,

                                    myjosito 1 Reply Last reply Reply Quote 0
                                    • myjosito
                                      myjosito @Bylos last edited by

                                      @Bylos No prob. Happy if it works now as expected 🙂

                                      RPI4b 4Go / Argon One / Manettes XBOX360 ou SF30Pro

                                      1 Reply Last reply Reply Quote 0
                                      • LapinFou
                                        LapinFou last edited by LapinFou

                                        Very interesting topic. With the official support of the Pi4 with Recalbox 7, I decided to buy a 4Go Pi4 with the "GeeekPi ice tower" for the cooling.
                                        Depending how the dreamcast and PSPP are running, I may try to overclock it. I will post my results here if I do so. 😁

                                        1 Reply Last reply Reply Quote 0
                                        • LapinFou
                                          LapinFou last edited by LapinFou

                                          Hi folks,

                                          I tested the overclocking on my RPI4B-4Go.
                                          I used those settings:

                                          # rpi4 overcloking
                                          over_voltage=6
                                          arm_freq=2140
                                          gpu_freq=750
                                          

                                          I added those lines (just before "include recalbox-config.txt") by following this procedure:

                                          mount -o remount, rw /boot
                                          vim /boot/config.txt
                                          

                                          I'm using this to cool down my RPI4 → Tour de refroidissement pour Raspberry
                                          The results are great! After 40min of Dreamcast game, the temperature stabilized to 43°C.
                                          I got a speed gain of about 10FPS. 😁

                                          1 Reply Last reply Reply Quote 0
                                          • Multimaniac
                                            Multimaniac last edited by

                                            Thanks everyone. This helped me overclocking my pi4. 🙂

                                            over_voltage=6
                                            arm_freq=2000
                                            gpu_freq=700

                                            Stable at 54° C in m Argon One m.2 Case.
                                            Dreamcast runs perfectly and even Conker's Bad Fur Day is playable now 🙂

                                            Yep, that game is my Crisis 😉

                                            LapinFou 1 Reply Last reply Reply Quote 0
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