M1 Pro here. Now it‘s working fine and 6k looks pretty amazingly sharp.hmm so any issues with this monitor on M1 max or M2 Max?
The LED (and the power button) are on the bottom right corner of the monitor and the LED does turn on when no source is connected. The LED is red when no source is connected and white when there is a source connected. Not sure about the OSD though.M1 Pro here. Now it‘s working fine and 6k looks pretty amazingly sharp.
But with my M1 Pro, HDMI is only 4k.
USB-C 6k.
I didn‘t knew the monitor won’t turn on (not even the status led) if no output source is available.
EDIT:
Again I cant turn on the monitor. Nor HDMI nor USB.
To all owners. Do you have a led when there is no source connected and can you use the OSD when no source is connected?
Interesting. I just connected my MacBook Pro M3 Pro to the USB-C port of the Kuycon G32P using a Thunderbolt 4 cable. Under macOS Tahoe, I was able to use a resolution of up to 6144x3456 at 60 Hz with and without DSC.Currently with my M1 Pro connected via TB4 cable only running @ 4:2:2 8 bit.
? @xoa's comment was about 8-bit bit depth and 4:2:2 chroma. Your response makes no mention of either bit depth or chroma.Interesting. I just connected my MacBook Pro M3 Pro to the USB-C port of the Kuycon G32P using a Thunderbolt 4 cable. Under macOS Tahoe, I was able to use a resolution of up to 6144x3456 at 60 Hz with and without DSC.
Tell me how I'm supposed to check that!? @xoa's comment was about 8-bit bit depth and 4:2:2 chroma. Your response makes no mention of either bit depth or chroma.
The bit depth used to be listed (as 30-bit or 24-bit) in the System Report, but it's gone now for some reason. Third party apps can show the bit depth though. You can also check for banding.Tell me how I'm supposed to check that!
Is the screen set to 6144x3456 (and not 3072x1728 at HiDPI 2X scaling)?
It was 6144x3456 at 60Hz via USB-C with a TB4 cable and DSC was off!
That doesn't make sense.It was 6144x3456 at 60Hz via USB-C with a TB4 cable and DSC was off!
Test it yourself, but it seems that there are no problems at all with USB-C on macOS Tahoe with the Kuycon G32P.That doesn't make sense.
If DSC is off, 6144x3456 10-bit 4:4:4 at 60 Hz is not supported on DisplayPort 1.4.
In fact, even 8-bit 4:4:4 is not supported without DSC.
Furthermore, 10-bit 4:2:2 is not supported either without DSC.
8-bit 4:2:2 is supported though without DSC.
Feel free to disbelieve me, but like I said, your claim that DSC is off makes no sense. With DSC off, it’s literally impossible for DisplayPort 1.4 to support 6K 60 Hz 4:4:4.Test it yourself, but it seems that there are no problems at all with USB-C on macOS Tahoe with the Kuycon G32P.
Hmmm… Safari has supported Display P3 since 2021. Chrome has it too.@EugW "...you can do the RTINGS test, which would involve setting macOS to 1:1 (non-scaled) 6144x3456 and loading up this image in Safari (non-zoomed):"
https://www.rtings.com/images/test-materials/2017/chroma-444.png
The problem with using Safari is that, by design, Safari is an 8 bit program (using sRGB).
The recommended methodology for the RTings tests (especially the gradient tests) is to download the file, and then open it in Preview, and check that View>Actual Size is selected.
That way you get a 10 bit if your System Settings>Displays is set to a 10 bit mode - like Display P3.
Thunderbolt 4 (i.e. DP1.4 with DSC) can drive 8K60 thus it easily can drive 5K120 or 6K90.Even if it's technically feasible to make a 5K 27" display, I'm curious as to whether Thunderbolt 4 would drive it well (e.g.: would Display Stream Compression (DSC) be needed)
In theory it could be 6K90 with TB4 and 6K120 with TB5.In theory they could offer it anyway, with the stipulation with TB4 it's 60-Hz and with TB5 120-Hz
it's clearly a macOS bug, it was eventually fixed but then has been reintroduced some time ago. BTW, Apple uses DP1.4 DSC in most of its computers nowadays, not dual channel TB3.It’s not clear if it’s a ‘bug’, or just that Apple feels that they have already engineered a ‘solution’ for their own 5K/6K monitors, using dual channel TB3, so don’t really want to allow the lowest tier products to have higher tier functionality
obviously it should affect picture quality, especially smaller colorful text quality because chroma subsampling is a technique used to reduce amount of data transferred to a monitor. And it's not lossless.So how does that affect picture quality in general day to day use? Or will you only notice that with photo or video editing?
this theory breaks down at a moment you see that Dell 6K (which uses TB4) is also affected by this bug.TB monitors transport the DP video stream in a tunnelled protocol, so the video stream is reconstituted in the monitor by the TB controller chip. This seems to be able to provoke the Mac to accept the DSC mode, presumably because DSC is mandated by the TB4/5 standard
Is there even a possibility to get 10 Bit 4:4:4 on a M1 Pro?
No, USB-C to DP1.4 Adapter can't help but this specific USB-C to HDMI adapter can. You can find out more here.So with a USB-C to DP1.4 Adapter I can get 10 bit 4:4:4 on my Macbook Pro m1 Pro?
that's right. You have only USB 2.0.Th G32P has no TB so I can't connect my 10GBE adapter to it, right?
that's just not possible. MacBook Pro M3 Pro doesn't support DP2.1 so it uses DP1.4 which simply can't drive full 6K without DSC.I just connected my MacBook Pro M3 Pro to the USB-C port of the Kuycon G32P using a Thunderbolt 4 cable. Under macOS Tahoe, I was able to use a resolution of up to 6144x3456 at 60 Hz with and without DSC
No, USB-C to DP1.4 Adapter can't help but this specific USB-C to HDMI adapter can. You can find out more here.