Hi
Another rig with 6 GPU is ok!
Power rate identically on the both rigs! But only on 13 GPU rig problem is present!

On the rig with windows 7 and 13x GTX 1070 hashrate jumps in grin31 algo! Please fix this problem!
https://ibb.co/cw2Z6KC
https://ibb.co/KqDcpXK
https://ibb.co/mFhvbvN