Will try AO3 by itself this weekend. Should I remove both AO12 cards to check 13 or can I just config without{delete AO12 from config} to minimize handling? Either way I'm prepared to do what you think best.Again thanks George..

M861v4, CECTLX-1 Transport, Legacy Audio Whispers, Legacy Marquis center, Legacy Studios[4], LFExtreme sub-mod, Bryston 7BST's[3] Legacy HC amp's[2] Pioneer Pro1130HD Plasma, Oppo BDP83SE, Toshiba HD-AX2.