Gameboy 4MB 32KB FRAM Mini Flash Cart (fits in a GBA cartridge for GBA/GBA SP)

$35.00

This is a unique Gameboy flash cart which fits inside a GBA repo 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 repo 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 which 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 (only 1 song), etc and allows you to re-flash it with any flasher like GBxCart RW that supports the MBM29F033C chip via the audio pin method.

Because the audio pin method is used this means that any rom that tries to erase/write to the flash chip won’t work, for example, LittleFM won’t work.

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. Most MBC3 games should also work and some MBC1 games should work too.

Special features (requires quick soldering):
– Allows for MBC1 ROM banking – requests for bank 0 gives bank 1, useful for games like the original Zelda – Link’s Awakening.
– Allows for 8KB RAM locking useful for MBC1 games like Donkey Kong Country 3.
Check which jumpers to bridge with solder here.

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

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. Games that require more than 4MB of ROM won’t work.

Comes in a variety of GBA repo cartridges colours. Each unit is assembled in house and is tested on a Gameboy Advance. You can supply the ROM file for us to flash the cart if you like, it will be tested for 20-30 seconds to ensure it works.

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Description

Specs
ROM: 4MB Flash (MBM29F033C)
FRAM: 32KB (Data retention of 20-50 years)
MBC: MBC5

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, Gold fingers (on the edge connector) to give the maximum life for insertion/removal of the cartridge.

The 4MB flash chip appears to consume about 20mA more when it’s under load for example when running LSDJ.

When you place an order, if you would like the flash cart to be programmed with a ROM, you need to supply it to us via email (you can reply to your order notification). It will be tested for 20-30 seconds on a Gameboy Advance to ensure it works, if it doesn’t work, we’ll contact you. If you don’t specify a ROM, it will be loaded with LSDJ 8.5.1 Stable.

Additional information

Weight 15 g
Cart Colour

Dark Grey, Clear Blue, Clear Red, Light Red, Clear Green, Green
Cart Label

Yes, Not required, Include separately so I can place it later
Cart Modification

Yes apply the glue to trigger GB mode, I will modify it myself
Pre-loaded ROM

I will provide a ROM to flash by email, Not required (LSDJ 8.5.1 Stable will be loaded)
Product understanding

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

Gameboy carts, GB in GBA cart, GB Studio support, Low power, LSDJ compatible, MBC5 support, Saving supported

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