Replacing save batteries or fitting battery-free FRAM save mods.
3 repair logs
NEC — PC Engine IFU-30
Capacitors, voltage regulator and the supercapacitor that keeps the save data alive on this NEC PC Engine IFU-30 interface unit. Validated with Street Fighter II and Bomberman '94.
F-RAM upgrade across a couple of N64 Controller Paks. No more worrying about batteries quietly erasing your saves.
SNK — Neo Geo CD
Two upgrades that make the SNK Neo Geo CD much more liveable: an SD loader for the games and an F-RAM upgrade to kill off the battery dependency for saves.