Hi dimitris,
After I set my mem setting to tras=10, trcd=6 and trp=6, i was able to use divider 120/0.6, 133/0.66, 140/0.7, 150/0.75, 166/0.83 and 180/0.9. I did not know how the mem setting could affect the devider but it worked for me. Thus, I am going to stick with 10-6-6. Try 10-6-6 and...