Nvidia I2C NVVDD core voltage (feedback sense)

[Nalika]

Would it be possible to add this? Voltage is not always the same as reported via nvidia api

For instance my GTX 1660 Super uses a uP9512R with byte of register 0x2D reporting 10mV units according to datasheet.

Thanks.

 

[Martin]

Probably not, PWMs/VRs are usually not exposed via NVAPI I2C.

 

[Nalika]

Thanks for your reply.

Shame it's like that as making connections to the board isn't fun for me these days.

 

[Nalika]

I guess one can be lucky sometimes.



What's normal for VR VOUT, measure VRM output or sense feedback? Seems to increase with load suggesting VRM output but jumps around by a few 10's of mV. Might have to mod it to be sure. Heaven bench run with default settings. If IIRC current averaging was at default 50us. Current is best guess ratio.

Edit: After testing with FB mod to produce higher voltage indeed VR Vout is the VRM output and not the sense feedback voltage that a poster convinced me it was.