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Save battery / FRAM mod

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

3 repair logs

The NEC IFU-30 mainboard, now recapped, with the old capacitors in a bowl.
+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
Two N64 Controller Pak PCBs with F-RAM chip upgrades, loose ICs, pennies for scale, and repair tools on blue mat.
+2 photos✓Successful repair

N64 Controller Pak modding

F-RAM upgrade across a couple of N64 Controller Paks. No more worrying about batteries quietly erasing your saves.

Battery-backed save loss
Aug 18, 20221 thread
SNK Neo Geo CD mainboard sitting inside its shell on a blue work mat, green PCB with many integrated circuits, a white ribbon cable across the centre, and the white wire work for the Furrtek Neo Geo CD SD Loader mod running across the board, with a coin-cell save battery still fitted near the bottom edge.
+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