I decreased mem on 1900 and result is 13 cards is loaded and functional but cards mining only 11mhs and earlier miner mining on one card 14mhs. Where is problem? overclocking is same as before..

https://ctrlv.cz/fKrF
https://ctrlv.cz/4WoE
diagnostic: http://paste.ethosdistro.com/zemixuvawo