insideGadgets GBA EEPROM Save Flash Cart
Channel: makho
Date: 2022-06-10

Supports up to a 32MB ROM and either 4k or 64k EEPROM for saves. You cannot use the 64k EEPROM chip for 4k games. 

I bought the "DIY version" of this cart from insideGadgets: https://shop.insidegadgets.com/product/gba-32mb-4kbit-64kbit-eeprom-save-flash-cart/

Good for EEPROM save based games or, specifically for a dedicated "AGS Aging" cart.

This csv file serves as a good database to crossreference save types for compatible games and donors: https://github.com/mstroh76/GBxDumper/blob/master/gbalist.csv

Compatible games will use a memory type of EEPROM_vXXX and have a RAM size of 4 or 64k. If you want to skip EEPROM based hardware and just stick with FRAM carts, nearly all EEPROM games can successfully be patched to use the SRAM save protocol and then be loaded onto a FRAM based cart. There may be some game by game compatibility issues, especially for anything with DS based connectivity, but a tool called "gba tool advance" or "gbata" can be used to patch ROMs: https://digiex.net/threads/gbata-gameboy-advance-tool-rom-patch-into-remover-header-info-sram-save-patch.15059/

Patching flash based games to use the SRAM/FRAM saves will result in a bad time due to the insufficient space allocation on hardware. Flash based games require 512K or 1M but FRAM/SRAM based hardware can only allocate 256K. 

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