1047-B
U3 = TMS2532
U4 = TMS2532
U16 = 2708

1023-B
U15 = 74S288
U25 = 2716

1024-B
U1 = 2532
U2 = 2532
U3 = 2532
U4 = 2532
U17 = 2716

1039-B
U39 = 2708