It seems claymore is done for if you have 4gb gpus at moment, PhoenixMiner still working with 4gb gpus but you need to know how to, lot of work, you will need to flash a new rom to make worthwhile.
I try to make it work Phoenixminer but you have to connect monitor to mobo video port so in case your mobo video port is a DVI port and you dont have a DVI monitor you can't do anything

GPU1 stops Phoenixminer and it just restarts mining over and over again... do you know if there is a command line to stop minig a selected GPU to fix this issue with Phoenixminer?

The same as claymore, the command line is -di, if you write -di 01 that means gpu 0 and gpu 1, -di 18 (that means gpu 1 and gpu
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