Help! I can't find a simple listing tell me which firmware works on which models. I have a couple of newer WRT units, a 54G v3.1 (CDF9) and a v4.0 (CDFA) unit. Would like to know if DD-WRT v22r2 runs on them before trying to flash. I've already got v23b2 running on them, but not thrilled with the beta issues wanted to back down to stable firmware.