Resources:

ASProgrammer - https://github.com/therealdreg/asprogrammer-dregmod/releases (needed to read/save/flash vbios)

VBIOS Downloads:

https://www.techpowerup.com/vgabios/?architecture=AMD&manufacturer=Sapphire&model=RX+6700&version=&interface=&memType=&memSize=&since=

https://www.techpowerup.com/vgabios/263212/263212

References:

https://www.reddit.com/r/AMDHelp/comments/1laz7x8/using_mining_sapphire_gpro_x080_rx6700_in_an_egpu/

https://www.youtube.com/watch?v=x5VeJUpOURU&t ←-