Got this card from someone who said it didn't work anymore after PSU crash and replacement. Fuse blown, checked 3rd MOSFET it was shorted. In such a state there are resistances on the phases resistors equivalent to R510:
Phase1 - 8.03K
Phase2 - 7.96K
Phase3 - 0.15K
Phase4 - 7.83K
It appears on...