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Save battery / FRAM mod

Replacing save batteries or fitting battery-free FRAM save mods.

2 repair logs

PC Engine IFU-30 main board with removed blue capacitors in bowl, soldering iron, and multimeter during recap repair.
+7 photos

NEC — PC Engine IFU-30

NEC PC Engine IFU-30 Recap: Caps, Regulator & Supercap

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.

Battery-backed save loss
Dec 19, 20251 thread
SNK Neo Geo CD mainboard with SD loader and F-RAM upgrade installed, showing integrated circuits, ribbon cables, and coin cell battery replacement mod.
+5 photos✓Successful repair

SNK — Neo Geo CD

SNK Neo Geo CD: SD Loader & F-RAM Save Mod

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.

Battery-backed save loss
Nov 1, 20212 threads