"Andrew" wrote in message news:iunlkc$ird$[email][/email]...[QUOTE]\nI'm not sure that anything over 333 is legal on this board. 1333MHz FSB\nis the fastest it supports (333 quad pumped). So anything over 333 is\npresumably overclocking the motherboard chipset(?)[/QUOTE]\n\nOK, now I'm thoroughly baffled. Although it wouldn't work at 3.4GHz with\nthe memory underclocked at 755MHz, I set it to a 1:1 memory ratio and put\nthe FSB way up at 400 for 3.6GHz on the CPU and the usual 800MHz for the\nRAM. It works fine!!! Maybe the RAM just didn't know what to make of the\nstrange speed(?) and set some timings it couldn't handle.\n\nPrime95 is stable after 50 minutes of running, with temps peaking at 58\ndegrees compared to 52 at stock speed. That's still lower than the temps\nwere with the Intel cooler at stock speed. I'll leave it running all night\nto make sure.