Yeah HTT is your FSBx some number, ie 2,3,4,5. Normally it runs at 1000MHz(2000 DDR), so witht he FX your FSB must be at 200 if its at 5X. Generally you can go out of spec up to 1100MHz withoutt o many issues, but it doesnt speed up your system all that much, in fact dropping the HTT down to...