Even though I am not an expert, I feel I should chime in because syncing my FSB/memory turned out to be the solution to my playback stutering problems. (I apologize to the techies for these posts...the skillset of my audiences were unclearMy postAnother post
It is interesting to note that I decreased
my memory speed in order to sync it to the FSB. (Although I did overclock my FSB to 1333.)
It sounds like we have similar setups (just in terms of speed,) here's mine:
680i LT MOBO/Intel Q6600 Quad processor...overclocked to 3.0Ghz (Simple overclock: raised FSB to 333 (rated FSB 1333) x9 (multiplier) = 3000MHz)
4 GB 800MHZ dual-channel memory -> decreased
from 400Mhz (800MHz dual-channel)->333Mhz (still 667 dualch) (4:4:4:15:2T)
This gives me a "FSB : DRAM ratio" of 1:1...
Without going into detail, it is confusing at first because of all the different multipliers. (E.g. 800Mhz "dual-channel" sounds faster than a resident speed of 400Mhz, so they market the former.) But getting rid of all of these terms...333 FSB : 333 MHz memory = 1:1 ratio.
I have a fast computer. I built it myself. I am proud of it...But to this day I am absolutely astonished how much smoother BluRay/HD-DVD playback became once I synced up my memory.
With your FSB already at 1333, you are most of the way there. Syncing should be a simple matter of going into the bios and setting the memory to 333 from 400. Yes, normally you have to increase voltages when raising
memory timings, but it obviously does not apply here. I hope you have as much of a performance increase (particularly in regard to smooth playback) as I have... (Oh and feel free to PM me if I can help further...))