3 rigs: Asrock Fm2 pro BTC+   with 5*470 Red Devil (1500 strap) 1-st gpu on each rig 1150/1900 others 1200/1950
CPU AMD A4000
4gb ddr 3

Claymore v3.1
i-2
win 7x64 with 6-gpumod

http://s45.radikal.ru/i107/1611/1f/7fa35746eff7.png

Claymore! Thanks!!!