Thanx for that reply Herb. I'll try switching the hashing boards to see if I can get loop 3 to come up. I think I tried that in the past and the defective loop changed. I think that pointed to the board rather than the controller. If I am thinking correct, If I switch the boards and the same loop 3 isnt communicating then it is probably the controller but if the bad loop changes then its probably the hash board. Am I thinking correct? I'll play a bit later today....