8MB 128KB FRAM programmable Flash Cart MBC3 with RTC battery (MBC5 option) V4 for Nintendo Game Boy - Clear | BennVenn

Features: 

- 8MB of ROM memory - 128KB Fram
- Supports up to 2 roms and save files on one cart.
- RTC battery - MBC3 mode supported 
- MBC5 mode supported dip switch selection
- Compatible with Nintendo Game Boy Roms

Description: 

Gold plated Black PCB.

Up to 8mbytes of ROM and 128kbytes of FRAM! (Not SRAM, no battery required to save game data)

New Firmware! (Tested on FunnyPlaying FPGA GBC, Analogue pocket, GBC, GBA, Pocket, DMG, Light) NOTE NOT FULLY COMPATIBLE WITH V01 GBC CPU WHICH IS A RARE VARIANT (NO NUMBER UNDER THE BATTERY SPRING)

MBC3 mode supported, MBC5 mode supported (128kbytes FRAM saves - LSDJ) - bridge a jumper on the PCB to enable MBC5

The flash cart is MBC3 by default, dip switches can be adjusted to activate MBC5 mode, enable or disable RTC and select between Rom1 or Rom1

Compatible with Pokemon series that require a RTC 

Tested on:

POKEMON GOLD
POKEMON SILVER
POKEMON CRYSTAL
POKEMON CRYSTAL JP (64K SAVES)
POKEMON CRYSTAL CLEAR
POKEMON PRISM
POKEMON ORANGE

Battery included for real time clock (RTC) function only - no battery is required for game saves or LSDJ, game saves will not be lost if the battery is removed or drained.

ROM can be re-written with BennVenn Joey Jr, older GBxCart version 1.4a cannot flash this cart but newer variants should work, also tested working with GB Operator.