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    Duet 3 Mainboard 6HC - initial production run.

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    • T3P3Tonyundefined
      T3P3Tony administrators @gtj0
      last edited by

      @gtj0 now just yet. I want to be able to say when the next batc will be available first

      www.duet3d.com

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      • Dougal1957undefined
        Dougal1957
        last edited by

        Tony is there any chance any more from this first batch will become available I know at least one guy who is desperate to jump on the band waggon. I seem to remember you saying you had kept some back to allow for failures during testing

        Doug

        T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
        • PastThePointundefined
          PastThePoint
          last edited by

          I suppose there is no way to be notified when some stock is available? I have cash in hand for a D3 Mainboard, but missed the pre-order. I don't want to miss the chance to purchase on because I didn't check the website at the right time. So Doug told me to post a comment here as well.

          Looking forward to this!

          1 Reply Last reply Reply Quote 0
          • T3P3Tonyundefined
            T3P3Tony administrators @Dougal1957
            last edited by

            @Dougal1957 I expect we will do, will announce more next week.

            www.duet3d.com

            Dougal1957undefined 1 Reply Last reply Reply Quote 0
            • Dougal1957undefined
              Dougal1957 @T3P3Tony
              last edited by

              @T3P3Tony said in Duet 3 Mainboard 6HC - initial production run.:

              @Dougal1957 I expect we will do, will announce more next week.

              Thanks I will point him to this.

              gtj0undefined 1 Reply Last reply Reply Quote 0
              • gtj0undefined
                gtj0 @Dougal1957
                last edited by

                @Dougal1957 said in Duet 3 Mainboard 6HC - initial production run.:

                @T3P3Tony said in Duet 3 Mainboard 6HC - initial production run.:

                @Dougal1957 I expect we will do, will announce more next week.

                Thanks I will point him to this.

                Tell him to get to the back of the line. 🙂

                1 Reply Last reply Reply Quote 1
                • gtj0undefined
                  gtj0
                  last edited by

                  It's a little hard to tell from the renderings and pics but can someone confirm that the 26 pin connector polarity notch faces in towards the MPU?

                  A Former User? 1 Reply Last reply Reply Quote 0
                  • A Former User?
                    A Former User @gtj0
                    last edited by

                    @gtj0 said in Duet 3 Mainboard 6HC - initial production run.:

                    It's a little hard to tell from the renderings and pics but can someone confirm that the 26 pin connector polarity notch faces in towards the MPU?

                    Did you see the new Wiki? https://duet3d.dozuki.com/Wiki/SBC_Setup_for_Duet_3

                    gtj0undefined 1 Reply Last reply Reply Quote 0
                    • gtj0undefined
                      gtj0 @A Former User
                      last edited by

                      @bearer Yeah but you can't tell in those pics because the cable exits the IDC pins to the left (inwards) but then loops back through the strain relief towards the right and out. I can't see the notch.

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                      • A Former User?
                        A Former User
                        last edited by

                        @gtj0 I suppose its not given the notch is on the left hand side in those pictures although the red stripe indicating pin 1 would suggest that, which side the cable exits shouldn't affect pin 1 and the notch.

                        gtj0undefined 1 Reply Last reply Reply Quote 0
                        • gtj0undefined
                          gtj0 @A Former User
                          last edited by

                          I've learned through bitter experience not to take for granted the relationship between the notch and pin 1. About 10 years ago I had a local company make me 100 10-pin cables and they didn't bother to follow my spec. Apparently 3 different people made the cables so I got 3 different orientations.

                          Anyway, I'm experimenting with different cable lengths and right now I'm getting great results with a 300mm cable at a 1MHz clock rate but only if I alternate the signal lines with grounds. In fact it still looks great at 5HMz. I was toying with using some twisted pair as well but twisted pairs aren't all that effective in unbalanced circuits.

                          T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
                          • T3P3Tonyundefined
                            T3P3Tony administrators @gtj0
                            last edited by

                            @gtj0 the 26 way header notch goes in, towards the center of the Duet 3 mainboard. The Duet 3 has a keyed header.

                            www.duet3d.com

                            gtj0undefined 1 Reply Last reply Reply Quote 0
                            • gtj0undefined
                              gtj0 @T3P3Tony
                              last edited by gtj0

                              Perfect. Thanks @T3P3Tony And what are you doing up so late?

                              1 Reply Last reply Reply Quote 0
                              • Danalundefined
                                Danal
                                last edited by Danal

                                Mine is here! Yay!

                                From reading this thread, and the new wiki, it is a little unclear to me if the included SD card is should already have an image on it. The one I received formatted, but empty. Installing the image now...

                                Edit update: Image installed, booted, connected via both Web and SSH, everything works just fine. Now, to pick a printer to receive this beauty... 🙂

                                Danal

                                Delta / Kossel printer fanatic

                                T3P3Tonyundefined 1 Reply Last reply Reply Quote 1
                                • Dougal1957undefined
                                  Dougal1957
                                  last edited by

                                  Mine certainly had an image on else I would have been lost as I know very little about the way Linux interacts (I know a lot more now since I got this thing on Saturday)

                                  Doug

                                  A Former User? 1 Reply Last reply Reply Quote 1
                                  • A Former User?
                                    A Former User @Dougal1957
                                    last edited by

                                    @Dougal1957 said in Duet 3 Mainboard 6HC - initial production run.:

                                    Mine certainly had an image on else I would have been lost as I know very little about the way Linux interacts (I know a lot more now since I got this thing on Saturday)

                                    Doug

                                    Did the Duet 3 just get classified as a "gateway drug"? 😮

                                    NoSkillzEngineerundefined 1 Reply Last reply Reply Quote 2
                                    • T3P3Tonyundefined
                                      T3P3Tony administrators @Danal
                                      last edited by

                                      @Danal it should have had the image, glad you got it working!

                                      www.duet3d.com

                                      1 Reply Last reply Reply Quote 0
                                      • gtj0undefined
                                        gtj0
                                        last edited by

                                        @T3P3Tony Have you guys tested to determine the maximum practical SPI clock rate the Duet3 can handle, irrespective of cable characteristics?

                                        T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
                                        • T3P3Tonyundefined
                                          T3P3Tony administrators @gtj0
                                          last edited by

                                          @gtj0 it is determined by cable length. With the cables we supply we expect at least 10Mhz will work well, Iam currently running 5Mhz with no issues and after TCT will try extended periods with 10Mhz.

                                          The image comes with 1Mhz as a default - thats conservative but till allows for a high throughput.

                                          www.duet3d.com

                                          PastThePointundefined 1 Reply Last reply Reply Quote 0
                                          • PastThePointundefined
                                            PastThePoint @T3P3Tony
                                            last edited by

                                            @T3P3Tony said in Duet 3 Mainboard 6HC - initial production run.:

                                            @gtj0 it is determined by cable length. With the cables we supply we expect at least 10Mhz will work well, Iam currently running 5Mhz with no issues and after TCT will try extended periods with 10Mhz.

                                            The image comes with 1Mhz as a default - thats conservative but till allows for a high throughput.

                                            Tony,
                                            I despise bothering you like this, but is there any news on any units being available? I've got cash in hand, and this would be PERFECT on the rig I am putting together!

                                            Doug instructed me to come bother you. 😁

                                            Thanks!

                                            dc42undefined 1 Reply Last reply Reply Quote 1
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