https://developer.nvidia.com/gameworksdownload#?search=nvapi
NVAPI R535 07/03/2023
https://www.codenong.com/cs106902684/
NVAPI Version: NVidia Complete Version 1.10
Drive Version: 531.79
GPU Num: 2
GPU | GPU Name | Frequency
[0] NVIDIA GeForce RTX 3060 225 MHz
Input The Index of GPU You want to Monitor
0
2 GPU0 0.00 MB( 0.00% ) P8 17% 48 ℃ 0 r/m
2 GPU0 0.00 MB( 0.00% ) P8 20% 47 ℃ 0 r/m
2 GPU0 0.00 MB( 0.00% ) P8 20% 48 ℃ 0 r/m
2 GPU0 0.00 MB( 0.00% ) P8 18% 47 ℃ 0 r/m
...
//////////////////////////////////////////////////
Number of Displays in the system = 1
Custom Timing to be tried: 1024 X 999 @ 60.00 hz
NvAPI_DISP_TryCustomDisplay().....Success!
NvAPI_DISP_SaveCustomDisplay().....Success!
NvAPI_DISP_RevertCustomDisplayTrial().....Success!
//////////////////////////////////////////////////
No of displays = 1
Display handles: 00000000DE000001
Total number of GPU's = 2
Testing GPU handle=0000000000000100, Output ID=512, Display no=0, Display handle=00000000DE000001...
- Regular I2C read operation test mode
6E 88 2 0 10 0 0 64 0 63 A3
The display 0x200 is DDC/CI capable
Current brightness value = 99 and max brightness value = 100
Succesfully modified brightness value to 20!
Pausing for 5 seconds...
Succesfully restored the brightness value to 99.
Pausing for 5 more seconds...
- Barco DDC test I2C read operation test mode
Current brightness value = 99 and max brightness value = 100
Succesfully modified brightness value to 20!
Pausing for 5 seconds...
Succesfully restored the brightness value to 99.
Pausing for 5 more seconds...
I2C Read/Write brightness test PASSE
GPU 0
GPU CoreClock: 285 mHz
GPU MemoryClock: 405 mHz
GPU ProcessorClock: 3435973 mHz
GPU VideoClock: 555 mHz