Yes I also have to switch 1 time, i think its because of Sync the Bandwidth/Transfer Lines. Really nice that it also works on your side !! Thanks too ! 4k@120hz 4:4:4 feels and looks really nice, yes ?
Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Mac mini: 4k @ 120hz?
- Thread starter Flow91
- Start date
- Sort by reaction score
Shows nothing under any of the TB/USB4 entries... wth haha, it is connected as I am writing this. Because of my modified EDID or should it not matter?
Hello, this is my basic modified EDID i always upload for testing on my C1
I dont have a windows machine with usb-c, can i do it with parallels & windows 11 arm ?
We need to know how @Alan Spiegel managed to get RGB chroma using the Cable Matters adapter and only editing the EDID. I have the same adapter, an M1 Mac Mini and an LG C2, and I only get YCBCR422 8b 4L10, which isn't really ideal since the quality is pretty bad.
I wonder if @Alan Spiegel could upload his firmware from his Cable Matters adapter and we could try flashing it?
Idk if it makes a difference but the CX has 40 Gbps HDMI ports while the C9/C1/C2 have 48?
Last edited:
Isn't it the other way around? C9 has 48Gbps, the rest cap at 40Gbps.
I have been following this thread almost daily for months now, it is amazing how far you guys have gotten us from having literally no hope to having it almost cracked. I made an account to thank you and try to contribute to it.
I also bought the CableMatters cable and, for what I can tell, it is a lottery, the same model can have a different chipset with some of them coming with the VM7100 and some with the VM6100.
In my case, I believe to have the same as @Alan Spiegel as my adapter also appears as USB 2.0 BILLBOARD by VIA Labs, Inc.
After connecting it to a Windows PC, I can confirm it comes with the VM6100 chip, I flashed the latest FW provided by @AironMan , however, I still get only 4:2:2.
I also have a CX and even applied the EDID just provided by @Alan Spiegel , nevertheless, still no joy.
I am considering the possibility that some TV settings are the key to finally getting this to work i.e: enabling Ultra HD Deep Color brings it from 4:2:0 to 4:2:2, @Alan Spiegel would it be possible to share all your picture settings on the TV side?
I also bought the CableMatters cable and, for what I can tell, it is a lottery, the same model can have a different chipset with some of them coming with the VM7100 and some with the VM6100.
In my case, I believe to have the same as @Alan Spiegel as my adapter also appears as USB 2.0 BILLBOARD by VIA Labs, Inc.
After connecting it to a Windows PC, I can confirm it comes with the VM6100 chip, I flashed the latest FW provided by @AironMan , however, I still get only 4:2:2.
I also have a CX and even applied the EDID just provided by @Alan Spiegel , nevertheless, still no joy.
I am considering the possibility that some TV settings are the key to finally getting this to work i.e: enabling Ultra HD Deep Color brings it from 4:2:0 to 4:2:2, @Alan Spiegel would it be possible to share all your picture settings on the TV side?
Yeah, but regarding @Alan Spiegel, he has a C1, if I'm correct, so, it's even more interesting if the C1 is only 40Gbps capable, and still pushes RGB/120hz.
I have double check all the settings of my C2, but could not find any interesting in there, maybe I'm not looking hard enough, so, anything is possible. We will call for @Alan Spiegel's help here I guess.
GOOD NEWS GUYS !!
Plz all u if u have an VMM7100 installed. If yes u can use this Firmware to get 4:4:4 4k@120hz 8b Without the need of editing a EDID !! Plz test and share ure results
Installer and tutorial is inside the zip !!
New CUSTOM Firmware Name is: Spyder_fw_USBC_CM_7.02.130forMac.fullrom
Hopefully a 10b solution will come next days !!
How can u test if u have an VMM7100 ?? Open the updater, it will show u the information!
U need a Windows Machine with USB C for the updater!
After flash the ROM, delete old EDID Stuff(Restore factory defaults) and reconnect the Adapter. Then change resultion from 4k@60hz to 4k@120hz 2 times, then it switched to 4:4:4 !
EDID Export of my LG 42 C2 when this Adapter is connected, u can test this EDID also on another Adapters if u want !!
Does an update for that one exists, too?
It has the 7100, but it doesn't output anything at all anymore when using that firmware.
It didn't work for me either, that's why I ended up buying the Anker. It's still much much cheaper to continue using my M1 stuff than upgrading them to M2 just to get 4K/120Does an update for that one exists, too?
It has the 7100, but it doesn't output anything at all anymore when using that firmware.
The bandwidth is never 48 Gbps or 40Gps, This is only the Bandwidth of the HDMI 2.1 Port. DP Transportstream is Limited to about 32 Gbps. The VMM6100 Adapters has not enough Bandwith for 4:4:4 4k@120hz without DSC, CableMatters confirm that! Only VMM7100 can reach 4k@120hz 4:4:4
@stevemr123 look at that, this is an Log getting from Anker with custom Firmware! But its on an Surface Mini 2.
@stevemr123 look at that, this is an Log getting from Anker with custom Firmware! But its on an Surface Mini 2.
Last edited:
U can test it with an 64 bit Version on your parallels VM :
Microsoft OneDrive
Id will be nice when u tell us firmware informations and chip version. An then Export your Firmware for us.
Last edited:
U have to test if EDID override works or not. But it looks good:
Realtek Demonstrates RTD2173 DisplayPort 1.4 to HDMI 2.1 Converter
Still only getting the 720p option on the anker with the custom firmware , maybe it doesnt play as nice with the C9? I'll be getting a C2 soon so I'll test with that when I get it
, maybe it doesnt play as nice with the C9? I'll be getting a C2 soon so I'll test with that when I get it
Last edited:
So I’m hoping we can get the whole 120hz with 4:4:4 figured out soon. But I’m just dropping in here because I can’t find the solution online and you all know so much.
Should 4:4:4 10bit be possible at 60hz? I have a LG c2 42 inch but am only getting 4:4:4 8bit with HDR off. Turning on HDR takes it down to 422. I am using HDMI to HDMI. Would using usb c to hdmi fix the issue? Any other settings I should have on or off on Mac/tv?
Should 4:4:4 10bit be possible at 60hz? I have a LG c2 42 inch but am only getting 4:4:4 8bit with HDR off. Turning on HDR takes it down to 422. I am using HDMI to HDMI. Would using usb c to hdmi fix the issue? Any other settings I should have on or off on Mac/tv?
You know there is no definitive answer for that as much of that depends on the cable/adapter you’ll be using, your monitor/telly etc. and we are sort of in the middle of figuring all of that out ourselves still haha… AironMan has been doing a lot of research but we aren’t quite there yet I’d say
Updated
Now using a good HDMI cable by belkin now I'm able to do 4k 144hz on cooler master GP27U
Cable: https://www.belkin.com/th/AVC012bt2MBK.html
Also cable seems to be VM7100 and still works