Thanks, - R worked well!
Question, can this miner be used with older AMD Rx580?
Yes, but ethminer runs better with opencl kernel support for RX580
Yes, ethminer runs better with 6800, 6800 xt and 6900 xt for my rig too.
6800 sapphire nitro+
6800 xt msi,
6900 xt xfx