8370 NTSC OCS Fat Agnus (512K max) On A500 Rev 4, 5
8371 PAL OCS Fat Agnus (512K max) On A500 Rev 4, 5
8372A NTSC/PAL ECS Fat Agnus (1MB max) On A500 Rev 6A
8372B NTSC/PAL ECS Fat Agnus (2MB max) On A3000
8375B - NTSC/PAL ECS 2MB Agnus for (A500 Rev 7?) and 2MB Chip gizmos like MegaChip 2000.
Proper (artifact free) use of the 8373 ECS Denise requires at least an 8372A Agnus (i.e., ECS Agnus).
