Well i didn't managed to use the spd from cellshok ram ... but somehow after trying this ... now the ram works well at 1200 5-5-5-15 PL9 with vdimm 2.32 in bios and 2.27 @ load (everest)
don't really know what happened but now it works ... gonna try with lower vdimm :P

edit: radaja ... thanks a lot 4 your help