Also, to document the svf version, if this information is at all helpful for documenting compatibility:
1) downloaded the pof from here on Sunday: https://github.com/marqs85/snes_dejitter/tree/master/output_files
2) Converted it with winpof2jed, on a winxp machine
3) Converted the jed file to svf with atmisp, on a win 10 64-bit machine
4) Flashed the atmisp output to 1502as with pi
I have parts for a couple more boards, I will try the newest svf file, just for posterity. Hoping to assemble those boards this weekend.