Originally Posted by fitzsteve
Has anyone tried a an 4/8mb A1200 trapdoor ram upgrade with the ACA500?
Or maybe one of Kipper2k's 8mb upgrades?
None of them will work, because the A1200 slot on the ACA500 is meant to provide an interface to talk to the A500, but it can't be used "the other way round". If you want that, then the 68EC000 CPU would have to "talk 68020" through that bus, and that's about as much logic requirement as a full memory controller.