Quote Originally Posted by monza1412 View Post
sup Sergio, I had that problem too as you know a while ago. It was the first symptom of electromigration with my crucial sticks.

http://www.xtremesystems.org/forums/...d.php?t=140870

The weird thing was as in your case that the system was rock stable at memtest, orthos large, OCCT, but once you power off you could not start it again.
Try to disable Dram Static Read Control, that should loose the performance level a bit, and hopefully not so stressfull for your RAM.
Hey dude !

Thanks for your comments...

I remember opening my new crucial's and they don't boot at 1,8V, i had to set them manually at 2,2. I had the oportunity to test another brand new pair and same thing happpened...
Yes I remember your situation but you told me you got errors, in my case there's no errorrs at all, but i discovered that:

At 480x8 = 3840 i have some kind of FSB gap, CPUZ and Everest shows 3833...
And at more than 480x8 does not boot, so I can assume that there's a limit there and i Should stay under that FSB

Look at this i tested

480x8 = 3840 1200 5-5-4-9 prime stable
after some days it does not boot if i leave it all nite off and NO METHOD works, just another ddr2 800 stick, and ERASING my previous CMOS VALUES

476x8 = 3808 1190 5-5-4-9 prime stable
after some days it does not boot if i leave it all nite off and JUST TAKING OUT
one Crucial stick boots again holding previous CMOS VALUES

So it seems that the near i get to the limit the hard the bios get stucked...

Now I'm on the pics settings (475x8 / 1188 5-5-4-9) a config tested form months now and no problem...

Cheers and thanks a lot for the help
Sergio