Gameboy 1MB 128KB SRAM Mini Flash Cart (fits in a GBA cartridge for GBA/GBA SP)

$35.00 USD

This is a unique Gameboy flash cart which fits inside a GBA reproduction cartridge so you can play on the GBA and GBA SP without the cartridge sticking out like it does for a regular Gameboy cartridge. Because of that, this cart will only work in the GBA, GBA SP and the Game Boy Player. The GBA reproduction cart will need to trigger GB mode – we did this with a bit of hot glue on the bottom left side.

This re-programmable Flash Cartridge is MBC5 only and with 128KB of SRAM is perfect for LSDJ users but please note the battery life is around 2-3 years. This cart allows you to play most of the later released Gameboy/Gameboy Colour games including some of the Pokemon games (no RTC support), Zelda DX, LSDJ, etc and allows you to re-flash it with any flasher like GBxCart RW. Designed and made in Australia.

Need to flash a game on this cart? Make sure to grab our GBxCart Flasher.

Includes a generic clear or clear blue reproduction GBA cart shell (separately) which you will need to modify yourself to trigger GB mode. Looking for other colour cart shells? Check our high quality GBA cart shell listing.

Questions? Jump on our Discord server where we and other users can help you or contact us via Twitter.

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Description

Special options:
– Custom boot logo which takes 16KB, if your game takes up the full 1MB flash, the last 16KB bank will be overwritten. The custom boot logo works on the GBA 40pin. The original boot logo will appear on these devices: GBA 32pin and GBA SP. Note: If you power off and power on the GB too quickly, the custom boot logo might not be displayed. Seems to affect the DMG the most.
– 8KB RAM locking useful for MBC1 games like Donkey Kong Country 3.
Check which jumpers to bridge with solder here.

This cart only fits properly in the GBA, GBA SP and the Game Boy Player. If you can fit it on a DMG, MGB or GBC then it will work too but it won’t fit using the GBA cartridge shell. Games that require more than 1MB of ROM won’t work.

Each unit is assembled in house and is tested on a Gameboy Advance.

Works with GB Studio v1.1.0+ with saving if you wish to develop your own game. Check this list of Gameboy games to see the ROM/RAM size and MBC type your game will have, you would be looking for MBC5 games but most MBC3 games should work and some MBC1 games may work.

Specs
ROM: 1MB Flash
SRAM: 128KB battery backed with a CR1616 (should last 3-5 years)
MBC: MBC5 (with ROM banking range 0x2000 – 0x3000 to allow for some MBC3/1 games)

Most MBC3 games should work.
MBC1 games that won’t work: Any that needs 32KB RAM or requires more than 512KB of ROM.

The PCB finish is ENIG.

(Video of prototype board)

Additional information

Weight 56 g
Product understanding

I understand this is a Gameboy Flash cart which only works on the GBA, GBA SP and Game Boy Player
Flash carts

Custom boot logo, Gameboy carts, GB in GBA cart, GB Studio support, Low power, LSDJ compatible, MBC1 support, MBC3 support, MBC5 support, Saving supported

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