Set default graphics card in asrock bios

[bicepjai]

I have asrock ws99 motherboard, it doenst have any onboard video card. I have TitanX(maxwell) and 1080Ti. It always chooses 1080Ti as default video card. Is there a way in bios i can set choose titanX as default video card. ?

 

[popatim]

Swap the slots they are in.