H110 Pro BTC+ RX580 1gpu not recognized

Hello ,
I recently built a rig on h110 Pro BTC+ but only 10 cards of Rx 580 8gb is recognizable and after putting the 11th card on any remaining GPU slot, it did not recognize.
pci Gen 2, gen 1 or auto , disable CSM all same , with 6gpu installed it’s the same :face_with_head_bandage:

problem solved