Toasty i just want to report back that adding hdmi 2.1 extension block + editing the hdmi support extension block to 600mhz has now actually allowed me to actually use the interlaced resolutions which progressive version does exceed 340mhz , 1920x1200i 144hz is 242mhz , 1920x1200p 144hz is nearly 450mhz , and the interlaced res does show up on windows node list perfectly fine.
Thanks for everything.
(03-12-2025 03:13 PM)ToastyX Wrote: [ -> ] (03-12-2025 01:32 AM)kamiccolo Wrote: [ -> ]I was wondering if i could get your help with configuring cru with my monitor. PG348Q old school. I have always had issues with the extension block causing games to not read the supported resolution list ingame. Adding in or even leaving in the stock resolutions in the extension block override ingame. A good example is metro last light. Im not too sure why its listed like that but it breaks some games reading resolution and then more games reading the hz. Since the default detailed resolution is 60hz. This is an overclockable monitor. 60-100hz. I can change the main one to the 100 hz and swap over the settings. Then I delete everything except for the 100hz in the extension block and it seems to keep gsync enabled and the 100 hz. This way the games detect 100hz immidiately and dont override res list. Is this the proper way to do this or no?
I don't know what you mean. The extension block has nothing to do with your issues. The location of the resolutions doesn't matter except for the first detailed resolution defining the native resolution, and Windows only cares about the resolution part when determining the native resolution, so the refresh rates can be in any order.
Metro: Last Light forces 60 Hz if in-game vsync is enabled. That's a game-specific issue and nothing to do with extension blocks.
NVIDIA control panel has an option in the 3D settings to set the preferred refresh rate to highest available, which should make games use the highest refresh rate if possible.
You don't need to define the same resolution and refresh rate twice. You just need one detailed resolution in the main window to define the native resolution. You don't need to add the same resolution with the same refresh rate in the extension block.
There is a couple games that force 60hz becuase its only reading the first resolution listed in the detailed resolutions. The games cant read past it for hz. Space Marine and Metro games, dying light, dead space games, a bunch I remembered some more then forgot. The latest issue I came across is metro last light and 2033 not having the proper resolutions listed in fullscreen mode. I first deleted just the 50hz setting out of the extension block and 1 more resolution is able to be selected ingame. The more I remove the more resolutions are avaliable to select ingame. Its stuck at 1600x1024. Then 1080p, 1440p, and 2160p are selectable ingame. Only if i remove everything but the 100hz settings out. Pretty sure my monitor needs it to be there for it to work. I think my comp black screens other wise. Its oc on the monitor itself. Selectable. I'll try to delete it again I got a second monitor incase lol. The hz I can only get working by yeah forcing the detailed resolution to be 100hz. Otherwise all games affix to 60 hz.
I do some game modding. I can just affix metro last light to read from the desktop resolution but would take alot of time to get the resolution menu sorted out. Plus I would have to find where its reading from the hz.
Oh and i just thought of something. I could just disable the oc setting on the monitor leave it at 60hz and then try to delete everything out and mod the 60hz to 100hz. Mabe my monitor will recognize it still that way lol.
The prefferred highest refresh rate only works with gsync from my testing. It dosnt effect how the games are reading the hz but how effective or smoother gsync is when high refresh is supported.
And to be clear the vsync is affixing to the detail res hz, not windows or nvidia control panel. If I change the detailed res to 100hz then ingame vsync affixes to 100hz in all these games.
(03-12-2025 03:10 PM)ToastyX Wrote: [ -> ] (03-12-2025 11:06 AM)Ezzelin Wrote: [ -> ]Hello! I've got a PC CRT monitor that I have hooked up to an Nvidia GPU through a Tendak HDMI to VGA adapter on Windows 11. The adapter works fine, and I've defined a custom resolution in the Nvidia Control Panel before successfully, but now I'm trying to get 640x480 to work. As it didn't show up in the resolution picker, I first tried defining it in the Nvidia Control Panel, and it tested successfully, but then when switching to the resolution later it would be a different timing that would be too narrow and beyond the ability to widen on the CRT. I then discovered CRU and decided to try and define the resolution there, but regardless of what I do in CRU it doesn't seem to be defining any new resolutions or changing anything in the Nvidia Control Panel resolution picker. For that matter, the custom resolution that I previously definied in the Nvidia Control Panel isn't showing up in CRU either. I've tried rebooting multiple times and using the restart64.exe utility, but nothing is changing. Is there something I'm missing here? I would love to define a 640x480 mode using custom timing and have it stick. Thank you!
Windows does not list resolutions below 800x600 in the display settings. You have to go to display settings > advanced display settings > display adapter properties > list all modes, which will list 640x480 but nothing below that. CRU only shows what's in the EDID. NVIDIA control panel custom resolutions are completely separate. Also HDMI requires a pixel clock of at least 25 MHz, but I'm not sure if NVIDIA enforces that.
So CRU adds resolutions to the list all modes dialog? 640x480 isn't in there either, only 720x480. I've attached a screenshot. Thank you for the response!
(03-13-2025 04:01 AM)Ezzelin Wrote: [ -> ]So CRU adds resolutions to the list all modes dialog? 640x480 isn't in there either, only 720x480. I've attached a screenshot. Thank you for the response!
Are you sure you checked the whole list? The resolutions are not always in order. Usually 640x480 is at the top of the list. It should be there even if not defined in CRU because it's also one of the default scaled resolutions unless you deleted it with SRE.
(03-13-2025 02:25 AM)kamiccolo Wrote: [ -> ]There is a couple games that force 60hz becuase its only reading the first resolution listed in the detailed resolutions. The games cant read past it for hz.
That's not true though. Games don't read the EDID, and there is no priority for refresh rates. If what you said were true, you'd only need to change the first detailed resolution to the refresh rate you want without having to delete the other refresh rates. You're getting 100 Hz because you deleted all the other refresh rates, not because it's the first detailed resolution.
Some games try to force 60 Hz if available because they didn't intend to support other refresh rates. Some games break if 60 Hz isn't available, like either the game won't start, or the physics break if you uncap the FPS. Games that support other refresh rates normally use the desktop refresh rate, or they offer an option to set the refresh rate.
(03-13-2025 05:20 AM)ToastyX Wrote: [ -> ] (03-13-2025 04:01 AM)Ezzelin Wrote: [ -> ]So CRU adds resolutions to the list all modes dialog? 640x480 isn't in there either, only 720x480. I've attached a screenshot. Thank you for the response!
Are you sure you checked the whole list? The resolutions are not always in order. Usually 640x480 is at the top of the list. It should be there even if not defined in CRU because it's also one of the default scaled resolutions unless you deleted it with SRE.
Yes, it wasn't anywhere in the all modes dialog list. I went ahead and added it through the Nvidia Control Panel again, and now it shows up in the all modes dialog, but it still isn't respecting the timings that I gave it. So my main issue is that I don't seem to be able to change the timings, and I was hoping CRU would help me do that.
(03-13-2025 06:57 AM)Ezzelin Wrote: [ -> ]Yes, it wasn't anywhere in the all modes dialog list. I went ahead and added it through the Nvidia Control Panel again, and now it shows up in the all modes dialog, but it still isn't respecting the timings that I gave it. So my main issue is that I don't seem to be able to change the timings, and I was hoping CRU would help me do that.
Something isn't right. Show me what you have in CRU.
CRU doesn't work so well on my setup. I have 3 monitors on a 4070 using 24H2. Not sure if something has changed with 24H2 or what the difference is, but any changes I make in CRU make my monitors unrecognized by NV CPP. All I was able to do is remove the driver-defined resolutions using SRE, got rid of all of those. Maybe this will help with stuttering.
CRU did find a 4th 'ghost monitor' that wasn't active, I was able to remove that but it came right back after rebooting. Changing any options otherwise on any of my 3 monitors requires me to use reset-all.exe to get things back in order. Sucks, as I have an LG with about 30 TV resolutions to remove.
I'll try it again when I update my video card driver, and will remove all monitor drivers. I have Dell and LG's driver installed and I'm assuming they both are adding more than I would have with whatever Windows provides. And I doubt there's any advantage to using their drivers anyway.
(03-14-2025 09:27 AM)yenic Wrote: [ -> ]CRU doesn't work so well on my setup. I have 3 monitors on a 4070 using 24H2. Not sure if something has changed with 24H2 or what the difference is, but any changes I make in CRU make my monitors unrecognized by NV CPP.
What do you mean by the monitors are unrecognized?
(03-14-2025 03:24 PM)ToastyX Wrote: [ -> ] (03-14-2025 09:27 AM)yenic Wrote: [ -> ]CRU doesn't work so well on my setup. I have 3 monitors on a 4070 using 24H2. Not sure if something has changed with 24H2 or what the difference is, but any changes I make in CRU make my monitors unrecognized by NV CPP.
What do you mean by the monitors are unrecognized?
Odd, it won't let me take screenshots in CRU or after making changes. Either way this is what it looks like after I change anything for any of my 3 monitors in CRU. I can't do any changes with CRU without this happening (not just changes to TV resolutions). The LG is on HDMI 2.1 (for no DSC at the panel's native 1440P 240Hz), and the Dells are on DP 1.1a I believe (enabling DP 1.2 in the monitor's settings disables HDCP support in NV drivers for some reason).
https://imgur.com/a/C59xLWj
and how it's supposed to look
https://imgur.com/a/t9rA6df
Here's the 4th mystery monitor that remains.
https://imgur.com/a/nMNJEF8
24H2 26100.3476 with a 4070FE on NV Studio 561.09 (newer drivers are unstable trash). Also using NV App 11.0.2.341