hans_glans Posted July 11, 2022 Share Posted July 11, 2022 On 9/6/2019 at 3:56 PM, halohalo said: Finally, I modified nvlddmkm.sys to prevent the unloading process. It also needs to be test-signed. To prevent the drastic performance decrease, I disabled driver signature enforcement before installation. FurMark test result: http://www.ozone3d.net/gpudb/score.php?which=787187 What do you mean by performance decrease? Caused by what? Link to comment Share on other sites More sharing options...
Ten2O Posted August 6, 2023 Share Posted August 6, 2023 (edited) How exactly would I find the hex value by kernel debugging? I try it but I don't understand what I need to do in order to find the memory address of the hex value that needs to be changed. I've been at it for a couple days straight and I still can't seem to figure out how I'm supposed to find it. I can pinpoint the moment that nvlddmkm unloads (the windows logo goes black) but I can't get it to happen without letting the OS load, meaning I can't find the exact point that it happens, despite trying for a really long time. I can't set a breakpoint there since there's no symbols and I don't know the address of the function that contains the version check... I also found this Edited August 6, 2023 by Ten2O Link to comment Share on other sites More sharing options...
halohalo Posted October 26, 2023 Author Share Posted October 26, 2023 Driver Release Branch 545 and later no longer support Version 1709 and earlier versions of Windows 10, so NVIDIA RTX and Quadro graphics cards will need INF modding. Besides, it seems that latest nvlddmkm.sys is still compatible with earlier versions of Windows 10. Link to comment Share on other sites More sharing options...
halohalo Posted February 6 Author Share Posted February 6 Starting with R530, the INF file of NVIDIA HDA driver no longer supports 32-bit version of Windows 10. Link to comment Share on other sites More sharing options...
halohalo Posted 18 hours ago Author Share Posted 18 hours ago (edited) On 10/26/2023 at 10:00 AM, halohalo said: Driver Release Branch 545 and later no longer support Version 1709 and earlier versions of Windows 10, so NVIDIA RTX and Quadro graphics cards will need INF modding. Besides, it seems that latest nvlddmkm.sys is still compatible with earlier versions of Windows 10. R545 and later no longer work on 1607. I've tried modifying R545 and R550 by overwriting OS version in nvlddmkm.sys, but only got error code 37. Now I am using 538.49. Because 1607 is too old to support latest DX12, I can't start Persona 3 Reload on Steam. So I have to use vkd3d-proton 2.12 and dxvk 2.2 to start the game. However, I can access digital art book and OST without converting to Vulkan. I think the game crashed because 1607 does not support ray tracing. Besides, latest OBS Studio 30.1.2 no longer works on 1607. Edited 18 hours ago by halohalo Link to comment Share on other sites More sharing options...
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