TWIN JOYSTICK USB ERROR

[pumpin80]

I have 2 Twin Usb Joystick (the merk is sturdy) psx adapters to my pc, it use a usb port for 2 Psx pads, anyway, this dont work in my Dolphin 5445, it just work for the first player and the others dont work at all, then what can i do to fix this?? thaNKS

[Billiard26]

Main Dolphin config, "Gamecube" tab, set Port 2 to "Standard Controller"