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I have a new Ender 3 - what motherboard does it have?

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  • I have a new Ender 3 - what motherboard does it have?

    My board is V4.2.2 I just received it today

    Is this the 32 bit motherboard?

    If so does it need a bootloader installed or does it already have that?

    Also is thermal overrun protection enabled on this model or not?

  • #2
    Yes, it is a 32-bit board, but not the newest: that's the 4.2.7. Yes, it already has a bootloader. In fact, you update the firmware by copying a BIN file to the SD card, inserting into the printer's slot & turning the printer on. The new BIN file should be the only file on the SD card.

    Thermal runaway is not a function of the control board per se. It's part of the firmware. The OEM firmware on the 4.2.2 almost certainly has thermal runaway implemented.

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    • #3
      Thanks

      Teaching Tech on YouTube has a very good video on the new board

      https://www.youtube.com/watch?v=neS7lB7fCww&t=422s

      this is the same board that comes on the V2 with the exception of no silent stepper drivers

      Last edited by Mac-7; 02-06-2021, 08:17 AM.

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      • #4
        The 4.2.2 doesn't have silent stepper drivers?? That's a major surprise.

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        • #5
          Not according to the video by Teaching Tech. But v4.2.7 does.

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          • #6
            Wow. After Creality stopped making the 1.1.4 board, I would have thought they wouldn't make any future boards without silent drivers. FYI, the 4.2.7 boards are relatively cheap, so it's not a big expense to get the silence.

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            • #7
              My Ender 3 v2 has the 4.2.2 board and it has the silent steppers.

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              • #8
                That does make more sense to me. Hard to imagine making a new board without them TBH.

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                • #9
                  Teaching Tech goes into some detail on the new 4.2.2 and 4.2.7 boards and according to him a plain Ender 3 4.2.2 printer could have the silent steppers Or the noisy 4988 steppers Go to about 3:25 for that info

                  the link for that is in post #3 just above

                  Of course that could have changed since he posted that video and maybe all Ender 3's have the 32-bit motherboard with silent steppers now

                  One thing you can be sure of with cReality is that we can never be sure of anything
                  Last edited by Mac-7; 02-08-2021, 08:51 PM.

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                  • #10
                    If the video is more than 6 months old, the 4.2.2 could have the older drivers. I imagine they continued making 4.2.2 boards with the 4988 drivers until they ran out of them, then started 2208's or 2209's, or maybe even newer.

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                    • #11
                      I agree. Things may have changed in 6 mo. My 4.2.2 board is not loud so I suspect it may have the quiet stepper drives. Wha5 I am trying to dind out now is how to add a filament runout sensor. The firmware must be updated but creality is not open source so I cant use the factory firmware. Unfortunately the 3rd party sources such as TH3d are confusing to use. I’m sort of stuck

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                      • #12
                        AFAIK, Creality just uses Marlin. They just configure it to what they feel is correct for their printers. That said, I don't recall seeing source code provided by Creality, although I may not be recalling correctly.

                        Yeah, if you've never done any programming, you may have some difficulty getting your head around configuring Marlin. Mind you, TH3D Unified Firmware is 1 of the easier ones to configure & use. I would look at Youtube for help with how to do it.

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                        • #13
                          I am going to rely on Dr Vax as usual along with another YouTuber named James to walk me through to process of compiling Marlin 2.0 and flashing it to my printer

                          both do a better job of explaining it than Tim at TH3d

                          https://m.youtube.com/watch?v=LTuyJmPPZ_M

                          https://m.youtube.com/watch?v=qPDBNBgdW6o

                          and all of this because I want to add a filament runout sensor to my printer

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                          • #14
                            Yeah. Tim is very knowledgeable; maybe too knowledgeable to have the ability to simplify the process for initiates. OTOH, his knowledge level allows him to create versions of Marlin for others to use.

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                            • #15
                              Originally posted by Ender5r View Post
                              Yeah. Tim is very knowledgeable; maybe too knowledgeable to have the ability to simplify the process for initiates. OTOH, his knowledge level allows him to create versions of Marlin for others to use.
                              Yeah, if you can understand how to use it

                              I am not the sharpest knife in the drawer and I need simple instructions

                              even the Dr Vax version was challenging because he covered two different printers on one video

                              I was just getting comfortable with the Arduino IDE to compile 8-bit boards when someone threw the new software program into the process

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