Thus to go short for the little I understand, Addr/Cmd Drive Strength could be set lower than default 1.50x, MEMCLK might be tried a little higher to 2.0x to increase stability in high Mhz. Data Drive Strength has maybe something to do with 1T/2T timings, could be set lower eventually.

CS/ODT Drive Strength and CKE are still a big questionmark for me but Im sure Ill find it tomorrow somewhere.

And On-Die Termination... meh, still dont feel like playing with that really.

And after those 6 Drive Strength settings, why is there still the DRAM Drivers Weak Mode