I have an apple mac pro. The mothether board on the Macpro has two 6 pin minifit connectors each connector is sepc’d to deliver 75Watts of power. I have attached apple booster cables to them and connected them to my Tesla c870 that I installed in the first pci-e slot. I have tested the cable for continuity and they check out. I still get the high pitched alarm from the c870 that indicates that it is not getting enough power.
Does anyone have any suggestions or expereince in fixing and or further testing?