Quote Originally Posted by C-N View Post
You may have a poor board but its not common. It just sounds unstable too me, will it run stock speed ?

If you are water cooling are you using a backplate to eliminate board warp as this alone can cause reboots mainly due to the board warping around the CPU socket so much the PWM's don't make good contact with the sink & they overheat then fail/reboot.

You also said your GX700 was loud!! if its loud then the fans you are using to blow air on the NB & PWM must be pretty limp to be quieter than the GX700 why don't you try some high CFM fans to rule out temps?

CN
It run stable on stock and up to about 3.3Ghz with 4 hours short prime. More than that it start to do that issues. The problem is it do that issues instantly when I start the prime with higher clock.

Yea I using pro mount backplate with fuzion block on the cpu only loop. I never remove and reapplied the TIM on the pwm because I heard it nicely applied. Beside this board is new and it sit on my cupboard for several month due to lack of free time rebuilding the rigg.

Dont know but I dont think temperature is an issue here. Nb are on mcw30 on second loop. Pwm with small 60mm delta fan with the casing open. I change the original gx700 with noctua nfp12 that spin with full speed. I dont think the heat on psu also causing the issues because it work like a charm with my previous p5k-e with the same quad.

Maybe or probably it a bad contact like you said on the pwm. I already remount all water block several time but it still unsolved. Maybe I diassamble the pc this weekend and test it on box without pro mount backplate. If the issues still there then the mobo is out. Any suggestion about new mobo for q6600 ?

OCZ xtc cooler on this board = NO pcie 16x any more . Maybe I missed their compability list