Sorry for late reply but I got busy with something else
Today I finally tried
I put 16-20-20-38-58-33-6-8 in Advanced DRAM configuration, DRAM Voltage to 1.35Volts and frequency to 3000Mhz
and it worked, ram is now running at 3000Mhz
Thank you for your help, for last 2 years I have been just...