I just tried a motherboard swap in my SS5 (70mhz to a 170mhz). When booting, or after running X for a few minutes I get something like: Panic, asynchronous memory fault MFSR=81802860 MFAR=e744998. The MFSR and MFAR change each time. It writes core and reboots. Any ideas? I moved all the dram over from the 70mhz board. Could some be too slow?