i believe that's because you've changed straps above 400MHzQuote:
Originally Posted by JoeBar
can you run with a 400FSB, 4:5 and 4-4-4 timings? (completely 100% stable)
i can boot like that, but there's very little stability
using other memory dividers i can run the memory well above DDR2-1000, 4-4-4 fully memtest stable :shrug: