and beyond just the flops...

By: Maynard Handley (name99.delete@this.name99.org), December 10, 2020 6:23 pm
Room: Moderated Discussions
Maynard Handley (name99.delete@this.name99.org) on December 10, 2020 5:18 pm wrote:
> anonymou5 (no.delete@this.spam.com) on December 10, 2020 3:24 pm wrote:
> > anonymou5 (no.delete@this.spam.com) on December 10, 2020 3:12 pm wrote:
> > > sorry, not interested in the BS portion
> > >
> > > back to the display problem at hand
> > >
> > > I see that some C-to-DP cables are bidirectional, i.e. people can drive
> > > 4K displays with C ports from a device that has an outgoing DP
> > >
> > > does this work for C-to-HDMI cables too? anyone? the web isn't so clear on it to me (for now)
> > >
> > > specifically, what about hooking one of these...
> > >
> > > https://www.sonnetstore.com/products/egfx-breakaway-puck-560
> > >
> > > ...to the TB on the Mac, and then driving the 4K LG displays from there, with the aforementioned cables?
> > >
> > > bonus points if it works for 4 displays, not just 2 -- hence
> > > the HDMI question above (as the puck has 3x DP + 1x HDMI)
> > >
> > > real world tech problems ;-)
> >
> > ah, wait... I just spotted this in the aforementioned page:
> >
> > "M1 Macs do not support eGPUs"
> >
> > so no go, I think
> >
> > searching a bit for that topic, it seems like folks spotted it earlier this year, and
> > held out hopes that the final product would support/enable eGPUs, but it didn't happen
> >
> > alright, looks like I have enough info to explain the situation to my friend tonight
> >
> > thanks for making me look harder!
>
> I suspect it IS possible -- but requires living a fairly extreme version
> of the dongle life, more so than is actually worth the cost.
>
> On the mac end we have conceptually this:
> https://forums.macrumors.com/threads/m1-macs-able-to-run-up-to-six-external-displays-using-displaylink.2271262/page-8?post=29311218#post-29311218
> which can give us HDMI or "normal" USB.
>
> On the monitor side we have to feed in USB-C alt.
> BUT this magic box kinda sorta for some purposes creates USB-C alt:
> https://forums.macrumors.com/threads/lg-ultrafine-4k-and-5k-yes-you-can-connect-it-to-windows-computers-via-dp.2227756/
> Then all you need is HDMI to displayport or "USB normal"
> to displayport and those connectors are a dime a dozen.
>
> Will this *actually* work (as opposed to "yes it should work in an ideal world
> where everyone follows specs rigorously and perfectly"?) I have NO idea...
> Generically my experience with video converters has been very good; I've dealt with plenty of
> two or even three stacked converters (going back as far as "NTSC something else" boxes) and
> the result has always done the job. But I cannot vouch for this particular combination.
>

Ultimately, not to criticize, and hindsight is 20/20, I think the real mistake is to buy a monitor that only has one type of input port.
I understand the appeal of the single cable, but monitors are the kind of things that last long enough, and move from one machine and use case to another enough, that I suspect it's worth *always* getting at least two types of input ports so that you're always covered. If not directly then one probably one dongle step away; and the older port probably has a reasonable selection of dongles available even if the newer one is not yet at that point.
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TopicPosted ByDate
M1 GPU microbenchmarks (peak FLOPS)K.K2020/12/05 03:31 AM
  M1 GPU microbenchmarks (peak FLOPS)K.K.2020/12/05 03:57 AM
  M1 GPU microbenchmarks (peak FLOPS)Adrian2020/12/05 04:00 AM
  M1 GPU microbenchmarks (peak FLOPS)Chester2020/12/05 10:39 AM
    M1 GPU microbenchmarks (peak FLOPS)K.K2020/12/06 03:46 AM
  M1 GPU microbenchmarks (peak FLOPS)Maynard Handley2020/12/05 12:12 PM
  M1 GPU has higher FP32 than A-series GPUsAndrei F2020/12/06 03:24 AM
    M1 GPU has higher FP32 than A-series GPUsK.K2020/12/06 03:49 AM
    M1 GPU has higher FP32 than A-series GPUsJeff S.2020/12/06 11:12 PM
      M1 GPU has higher FP32 than A-series GPUsK.K.2020/12/07 02:32 AM
        M1 GPU has higher FP32 than A-series GPUsJeff S.2020/12/07 10:29 PM
          M1 GPU has higher FP32 than A-series GPUsK.K.2020/12/09 01:35 AM
            M1 GPU has higher FP32 than A-series GPUsAdrian2020/12/09 02:36 AM
              M1 GPU has higher FP32 than A-series GPUsK.K.2020/12/09 02:59 AM
                M1 GPU has higher FP32 than A-series GPUsAdrian2020/12/09 03:16 AM
                  M1 GPU has higher FP32 than A-series GPUsK.K2020/12/09 04:56 AM
                    M1 GPU has higher FP32 than A-series GPUsAdrian2020/12/09 05:28 AM
                      M1 GPU has higher FP32 than A-series GPUsK.K2020/12/09 06:01 AM
                        M1 GPU has higher FP32 than A-series GPUsAdrian2020/12/09 06:37 AM
                          and beyond just the flops...anonymou52020/12/09 02:08 PM
                            and beyond just the flops...Doug S2020/12/09 03:06 PM
                              and beyond just the flops...Maynard Handley2020/12/09 04:05 PM
                                and beyond just the flops...Adrian2020/12/09 05:36 PM
                                and beyond just the flops...anonymou52020/12/09 08:28 PM
                                  and beyond just the flops...Maynard Handley2020/12/09 08:40 PM
                                    and beyond just the flops...anonymou52020/12/10 02:18 AM
                                      and beyond just the flops...anonymou52020/12/10 02:51 AM
                                      and beyond just the flops...Maynard Handley2020/12/10 09:53 AM
                                        and beyond just the flops...Megol2020/12/10 10:57 AM
                                          and beyond just the flops...Maynard Handley2020/12/10 12:16 PM
                                            and beyond just the flops...anonymou52020/12/10 04:12 PM
                                              and beyond just the flops...anonymou52020/12/10 04:24 PM
                                                and beyond just the flops...Maynard Handley2020/12/10 06:18 PM
                                                  and beyond just the flops...Maynard Handley2020/12/10 06:23 PM
                                                    and beyond just the flops...anonymou52020/12/10 09:59 PM
                                                    and beyond just the flops...Gabriele Svelto2020/12/11 01:57 AM
                                                      and beyond just the flops...Dummond D. Slow2020/12/11 09:52 AM
                                                        and beyond just the flops...Maynard Handley2020/12/11 09:57 AM
                                                          and beyond just the flops...Dummond D. Slow2020/12/11 10:00 AM
                                                            and beyond just the flops...Maynard Handley2020/12/11 11:22 AM
                                                              and beyond just the flops...Dummond D. Slow2020/12/12 09:13 AM
                                                                and beyond just the flops...Maynard Handley2020/12/12 01:41 PM
                                                                  and beyond just the flops...Dummond D. Slow2020/12/12 03:35 PM
                                                  and beyond just the flops...Dummond D. Slow2020/12/11 09:41 AM
                                                    and beyond just the flops...Maynard Handley2020/12/11 10:01 AM
                                                      and beyond just the flops...Dummond D. Slow2020/12/11 10:23 AM
                                                        and beyond just the flops...Dummond D. Slow2020/12/11 10:24 AM
                                              and beyond just the flops...Adrian2020/12/11 01:37 AM
                                                and beyond just the flops...Adrian2020/12/11 02:59 AM
                                                and beyond just the flops...Ungo2020/12/11 03:39 AM
                                                and beyond just the flops...Maynard Handley2020/12/11 10:07 AM
                                                  and beyond just the flops...Adrian2020/12/11 11:39 AM
                                                    and beyond just the flops...anonymou52020/12/11 03:01 PM
                                                    and beyond just the flops...David Hess2020/12/12 08:17 AM
                                                      and beyond just the flops...Jukka Larja2020/12/12 11:08 AM
                                                        and beyond just the flops...David Hess2020/12/12 11:36 AM
                                                          and beyond just the flops...Jukka Larja2020/12/12 09:45 PM
                                                            and beyond just the flops...David Hess2020/12/13 06:59 PM
                                                        and beyond just the flops...Adrian2020/12/12 03:11 PM
                                                          and beyond just the flops...Adrian2020/12/12 03:21 PM
                                                            and beyond just the flops...David Hess2020/12/13 07:02 PM
                              and beyond just the flops...useruser2020/12/09 09:38 PM
                                and beyond just the flops...anonymou52020/12/10 02:31 AM
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