Battery-backed save loss

SRAM backup battery dead; saves not retained between sessions.

5 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

PC Engine IFU-30 recap

Capacitors, voltage regulator and the supercapacitor that keeps the save data alive. Validated with some Street Fighter II and Bomberman '94.

Battery-backed save loss

Dec 19, 20251 thread

Disassembled NES cartridge PCB with new capacitors and coin cell battery holder installed; soldering iron and tools nearby on work mat.

+7 photos

Zelda and Super Metroid cartridge maintenance

Battery and cap replacements on Super Metroid and Zelda, with saves backed up and restored throughout. Initially used tabbed batteries as a stopgap, then swapped to coin cell holders once they arrived.

Battery-backed save loss

Oct 13, 20252 threads

Two Game Boy cartridges with fresh CR2032 batteries installed; left shows green PCB with yellow battery holder circled, right displays Zelda: Link's Awakening cart.

+3 photos

Game Boy cartridge maintenance

Fresh batteries in a couple of recently acquired Game Boy carts, saves backed up and restored using an Open Source Cartridge Reader.

Battery-backed save loss

Apr 22, 20251 thread

Two N64 Controller Pak PCBs with F-RAM chip upgrades, loose ICs, pennies for scale, and repair tools on blue mat.

+2 photosSuccessful 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

+5 photosSuccessful repair

SNK — Neo Geo CD

Neo Geo CD modding

Two upgrades that make the 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