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    Isadora 3 + multiple displays + hdmi/cat 6 extenders

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    • J
      jrhooker last edited by

      I'm having a horrific time getting out to three displays on my MacBook Pro (2013) without using a Triplehead. Is that the only way? I was REALLY trying to not use VGA and so was trying to run through various configurations of hdmi over cat 5. I first tried a J-Tech 4 port hdmi extender, but I couldn't get isadora to read it as a large display. Then I tried three individual hdmi extenders -- one running straight from hdmi and two running from thunderbolt adaptors and/or one thunderbolt and one usb. But i can never get all three signals at once -- but I can get any combination of two. I just read that the is a MacOS limitation, which I somehow never knew... So is my only option to get three display out of the mbp a triplehead? Thanks for urgent replies.

      Izzy 3. | OSX 10.14.6| MacBook Pro (15-inch, 20 19) | 2.3 GHz Intel Core i9 | 32 GB 2400 MHz DDR4 | Radeon Pro 560X 4 GB | Intel UHD Graphics 630 1536 MB

      Michel bonemap 2 Replies Last reply Reply Quote 0
      • CitizenJoe
        CitizenJoe last edited by

        I'm not a MAC guy, but would one of these work? https://www.startech.com/ca/AV/display-and-video-adapters/Displayport-Adapters/Triple-Head-DisplayPort-Multi-Monitor-MST-Hub~MSTDP123DP

        Note this requirement: DisplayPort 1.2 with MST+HBR2 support from the GPU is required for independent display output...

        Cheers,

        Hugh

        Hugh in Winnipeg - All test machines, Win10 Pro, 64 bit, OS SSD and separate data SSD.

        1. new laptop: Dell 7560, i9 11950H, 64 gigs, NVIDIA RTX A4000 w/8 GB GDDR6
        2. old desktop: Dell T5500 2009, Dual Quad Core Processor E5530, 12 gigs, 2x Radeon 5750... Still works well!
        1 Reply Last reply Reply Quote 0
        • Michel
          Michel Izzy Guru @jrhooker last edited by

          @jrhooker

          I never had any problem getting 3 outputs from a MacBook Pro (1xHDMI direct, 2 x MiniDisplayPort to HDMI converter). I am not sure what you mean with "Then I tried three individual hdmi extenders"? Did you add extenders to the "one running straight from hdmi and two running from thunderbolt adaptors"? I did have problems when not using Apple's original MiniDisplayPort to HDMI converters. Which ones are you using?

          Best Michel

          Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

          J 1 Reply Last reply Reply Quote 0
          • bonemap
            bonemap @jrhooker last edited by bonemap

            @jrhooker

            The only time I have had any issues with output has been related to resolution. There is a maximum combined resolution for working with Mac displays. If you set the resolution of all your monitors, using System Preferences, to be within the maximum resolution specified for the machine. Sometimes I have recourse to use the app called SwitchResX to adjust the resolution of each video output.

            Best wishes

            Russell

            http://bonemap.com | Australia
            Izzy 3 STD/USB 3.2.5 | MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | Mac Studio 2022 M1 Max 32GB | OSX 12.5.1 Monterey

            Woland 1 Reply Last reply Reply Quote 1
            • DusX
              DusX Tech Staff last edited by

              Note: unless Mac has recently added support, MST is a PC only option.

              If you are a Mac user and know otherwsie, please correct me.

              Troikatronix Technical Support

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              Running: Win 10 64bit, i7-8750H, M.2 PCIe SSD's, 16gb DDR4-2666, nVidia GTX 1070 | located in Ontario Canada.

              CitizenJoe bonemap 2 Replies Last reply Reply Quote 0
              • CitizenJoe
                CitizenJoe @DusX last edited by

                @dusx well, there ya go.

                Hugh in Winnipeg - All test machines, Win10 Pro, 64 bit, OS SSD and separate data SSD.

                1. new laptop: Dell 7560, i9 11950H, 64 gigs, NVIDIA RTX A4000 w/8 GB GDDR6
                2. old desktop: Dell T5500 2009, Dual Quad Core Processor E5530, 12 gigs, 2x Radeon 5750... Still works well!
                1 Reply Last reply Reply Quote 0
                • bonemap
                  bonemap @DusX last edited by

                  @dusx said:

                  you are a Mac user and know

                   There is this advice from Apple support that includes information about compatibility for MST monitors. I have used a number of hubs/docks like this and this to run external monitors from a MBP successfully.

                  best wishes

                  Russell

                  http://bonemap.com | Australia
                  Izzy 3 STD/USB 3.2.5 | MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | Mac Studio 2022 M1 Max 32GB | OSX 12.5.1 Monterey

                  1 Reply Last reply Reply Quote 1
                  • J
                    jrhooker @Michel last edited by

                    @michel @bonemap @DusX @ everybody else. Yes, it's kind of strange. I'm using apple thunderbolt to hdmi adaptors into initially the 4-port cat 5 extender and then individual line cat-5 extenders. And the thing is I've done this before with Izzy 2 and different projectors. I double checked my resolutions and everything seems fine. I already succumbed to matrox and vga, because I need to move on. I'll troubleshoot it later, but I appreciate the help, as always.  

                    Izzy 3. | OSX 10.14.6| MacBook Pro (15-inch, 20 19) | 2.3 GHz Intel Core i9 | 32 GB 2400 MHz DDR4 | Radeon Pro 560X 4 GB | Intel UHD Graphics 630 1536 MB

                    1 Reply Last reply Reply Quote 0
                    • barneybroomer
                      barneybroomer Beta Gold last edited by

                      are the thunderbolt to hdmi active ones ? I know on my mac pro only the startech’s work, standard hdmi adapter give me only 2 channels output. 

                      Mac Mini M1 2020 / OSX 11.7
                      MacBook Pro 2,3 Ghz Intel 8 core I9 / OSX 10.15.7
                      MacBook Pro 2,2 Ghz Intel 8 core I7 / OSX 10.15.7

                      and a Motorola DynaTAC 8000X ;)

                      Michel 1 Reply Last reply Reply Quote 1
                      • Michel
                        Michel Izzy Guru @barneybroomer last edited by

                        @barneybroomer

                        The limitation of 2 digital outputs without active adapters is only for the MacPros, the MacBook Pros don't have that.

                        Best Michel

                        Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

                        Woland 1 Reply Last reply Reply Quote 0
                        • Woland
                          Woland Tech Staff @bonemap last edited by

                          @bonemap said:

                          use the app called SwitchResX to adjust the resolution of each video output.

                           I love SwitchResX, it's amazing

                          TroikaTronix Technical Support
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                          | Isadora 2.6.1 + 3 | Mac Pro (Late 2013), macOS 10.14.6, 3.5GHz 6-core, 1TB SSD, 64GB RAM, Dual AMD FirePro D700s | Macbook Pro (Retina, 15", Mid 2015), macOS 10.11.4, 2.8GHz Intel Core i7, 16GB RAM, Intel Iris Pro 1536 MB |

                          1 Reply Last reply Reply Quote 1
                          • Woland
                            Woland Tech Staff @Michel last edited by

                            @michel said:

                            The limitation of 2 digital outputs without active adapters is only for the MacPros, the MacBook Pros don't have that.

                             Still, always better to go with active adaptors just in case

                            TroikaTronix Technical Support
                            New Support Ticket Link: https://support.troikatronix.com/support/tickets/new
                            TroikaTronix Support Policy: https://support.troikatronix.com/support/solutions/articles/13000064762
                            TroikaTronix Add-Ons Page: https://troikatronix.com/add-ons/

                            | Isadora 2.6.1 + 3 | Mac Pro (Late 2013), macOS 10.14.6, 3.5GHz 6-core, 1TB SSD, 64GB RAM, Dual AMD FirePro D700s | Macbook Pro (Retina, 15", Mid 2015), macOS 10.11.4, 2.8GHz Intel Core i7, 16GB RAM, Intel Iris Pro 1536 MB |

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