▁System / 3 7 0 ▁main frames , ▁released ▁in ▁the ▁Come con ▁countries ▁under ▁the ▁initi ative ▁of ▁the ▁Soviet ▁Union ▁since ▁the ▁ 1 9 6 0 s . ▁Production ▁continued ▁until ▁ 1 9 9 8 . ▁The ▁total ▁number ▁of ▁ES ▁E VM ▁main frames ▁produced ▁was ▁more ▁than ▁ 1 5 , 0 0 0 . ▁ ▁In ▁the ▁period ▁from ▁ 1 9 8 6 ▁to ▁ 1 9 9 7 , ▁there ▁were ▁also ▁produced ▁a ▁series ▁of ▁PC - compatible ▁desktop ▁computers , ▁called ▁Е С ▁П Э В М ▁( Un ified ▁System ▁of ▁Personal ▁Comput ers ); ▁the ▁newer ▁versions ▁of ▁these ▁computers ▁are ▁still ▁produced ▁under ▁a ▁different ▁name ▁on ▁a ▁very ▁limited ▁scale ▁in ▁Min sk . ▁ ▁Development ▁ ▁In ▁ 1 9 6 6 , ▁the ▁Soviet ▁econom ists ▁suggested ▁creating ▁a ▁un ified ▁series ▁of ▁mut ually ▁compatible ▁computers . ▁Due ▁to ▁the ▁success ▁of ▁the ▁IBM ▁System / 3 6 0 ▁in ▁the ▁USA , ▁the ▁economic ▁pl ann ers ▁decided ▁to ▁use ▁the ▁IBM ▁design , ▁although ▁some ▁prominent ▁Soviet ▁computer ▁scient ists ▁had ▁critic ized ▁the ▁idea ▁and ▁suggested ▁instead ▁choosing ▁one ▁of ▁the ▁Soviet ▁ind igen ous ▁designs , ▁such ▁as ▁Б Э С М ▁or ▁Min sk . ▁The ▁first ▁works ▁on ▁the ▁cl oning ▁began ▁in ▁ 1 9 6 8 ; ▁production ▁started ▁in ▁ 1 9 7 2 . ▁In ▁addition , ▁after ▁ 1 9 6 8 , ▁other