Choosing FPGA hardware
Cyclone V doesn't refer to a specific FPGA, but rather a family of FPGAs. There are several sub-families of Cyclone V (such as GX) and hundred of different chips in that family. The boards come with a variety of different surplus components that don't affect mining capabilities.
Initial testing has been conducted on the following boards:
Although there are a variety of other FPGAs that will work with Odocrypt, for new enthusiasts this should provide a sufficient starting point.