Oh wow, I forgot about this. Syzygy was supposed to be like PMOD but higher speed capabilities. I actually put it into a design, but never got around to fabrica

Oh wow, I forgot about this. Syzygy was supposed to be like PMOD but higher speed capabilities. I actually put it into a design, but never got around to fabricating it. https://forums.sifive.com/t/friscy-new-high-performance-pcb-coming-with-fe310-fpga-suitable-for-development-or-production-systems/962 https://forums.sifive.com/t/friscy-new-high-performance-pcb-... (Warning, hyperlinks are definitely gonna be broken from that post). I wonder how popular the interface has been over the last few years - I haven't really paid attention.