I keep racking my brains on how to maximize my system overclock. the apparent voltage limitation of 1.39125 max is frustrating, particularly when it is not topping out because of heat issues/stability. I can run Prime 95 for 8 hrs straight at 3820 Mhz, but only IF the system allows me past the C1 display on LED. If I could push the volts up to perhaps 1.425 with water cooling, I am sure I could meet or exceed 4000 MHz with a 9 x multiplier without exceeding safe temperature limits, but I have my doubts this will work. The reason is I can dial all the way back to 266 MHz x 9, and as soon as I get to 1.39125 vCore, boot up becomes erratic (like 1-2x out of 10).

I was going to water cool this anyway, so ordered all the kit earlier in week. I am hoping that will somehow help. Temps should drop a bit, and the noise levels will definitely improve, which was one of the factors that pushed me to water cooling. I HOPE this drop in temperatures will allow a boost in vCore, but am not counting on it.

Does anyone know if the current beta BIOS/next official BIOS will support half multis? I can get up to 468 FSB stable on my Q6600 GO stepping, but only with an 8 multiplier (or less). I can run a 9 x 430 FSB, but this doesn't push my memory very hard.

I believe I could do 450-465 x 8.5x (3825-3950 MHz) and stay within the apparent voltage limits for vCore. With a 4:5 CPU:RAM ratio, this would put my memory at between 562 and 582 MHz (DDR2 1125-1165), which is well within its limits. While this probably wouldn't get me to the 4 GHz point we all want to brag about, the extra memory bandwidth in this situation would certainly help boost general performance.

Stay tuned while I try to sort things out. If you have any ideas or feedback, please post it.