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We have been testing with caches off to try to eliminate one more layer of potential issues, but the last thing I seem to remember from Mike was a peak was around 106MHz 020+. There can be improvements though from there. Mike is in the process of actually dramatically slowing down the entire chipset because that is one of the issues with some games not working... they bang on the custom chipset bus, expecting the operation to act as a throttle mechanism. Right now, there is no throttle! Mike has a provision in the OSD (on screen display, which the menu system) for selecting 68000, 68010, 68EC020, and 68020 CPUs (and there is also the chipset type there). I am hoping we can add a 68040 mode w/MMU and FPU. There is plenty of space left in the FPGA for that - fortunately, it's a big FPGA that's used in Replay. There is also PicassoIV RTG support.I am distributing only to North America. Purchases outside of North America can be made through one of Mike's distributors. I do ship my products world-wide, and mark them so that there is no (or very little) duties that are due.