This listing is for ONE Motorola MVME166-13A CPU Board, P/N 01-W3937B-03C. Boots to run/ready state, This board just came from a support / reference library of a large RTOS company here in Northern California. I will give this board my 30 day No DOA warranty. All software is the buyers responsibility, I guarantee working hardware with no physical problems. We have hundreds of other VME boards in stock, please see our other listings. Buy with confidence from Esoteric Specialties!