First, make sure the power supply PMBus cable is connected to JPI2C connector on the motherboard. Please follow below steps.
1. Download SMCIPMITool from this link. https://www.supermicro.com/wdl/utility/SMCIPMItool/
Click windows if you’re running windows. Click Linux if you’re running linux.
2. Unzip the file
3. On windows, open a command window and go to SMCIPMITool directory you unzipped to. On Linux, open a terminal and go to SMCIPMITool directory you unzipped to.
4. The command for power supply status is “pminfo”. Ex: On linux, you put ./SMCIPMITool pminfo. On windows, you put SMCIPMITool pminfo.