Gameboy 4MB 32KB FRAM MBC3 RTC Mini Flash Cart (For Pokemon games/hacks like CC, fits in a GBA repro cartridge)

$43.00

This is a unique Gameboy flash cart which fits inside a GBA repro 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 repro cart will need to trigger GB mode – we did this with a bit of hot glue on the bottom left side. The cartridge may have a bit of a bulge due to the battery, this is more noticeable on the clear blue/dark grey cartridges.

Usually MBC3 chips only allow for 2MB of flash however by adding a special logic chip, we can extend the flash size to 4MB so you can future proof your RTC cart. Re-flashable with any flasher likeĀ GBxCart RW that supports the MBM29F033C chip via the audio pin method. Uses FRAM to keep the save so no battery is required, it’s only used for the RTC. Designed and made in Australia.

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 in 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 repro 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: MBC3 original chip

The power consumption of MBC3 when powered from the battery appears to be around 2.3uA so a CR2016 should last 3-4 years for the RTC.

The PCB finish is ENIG.

Additional information

Weight 15 g
Cart Colour

Dark Grey (bulges the cart), Clear Blue (bulges the cart), Clear Red, Light Red, Clear Green, Green

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, MBC5 support, Saving supported

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