If you got those 295's from Zlojack, he never could get the 4th core working. I hate to suggest it because you're under water, but try swapping cards to see if the issue follows the card.
SugarJ? you mean swap out one of the pcb's to the other card?...man!!..then I'd have to drain the loop and put them both apart!...what a pita that would be! :doh::haha: