FC TxSxROM Advanced – MMC1


Advanced MMC1 board with save capability.

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Quantity 10 - 49 50+
Price $9.75 $9.50

FC TxSxROM Advanced

Advanced MMC1 or MMC3 board with save capability.

In stock

AX5904 (MMC1)

AX5904 is a MMC1 clone

In stock

SKU: FC_TxSxROM_Advanced_MMC1 Categories: , ,


FC TxSxROM Advanced Board – MMC1

The FC TxSxROM Advanced is a homebrew or reproduction board that supports MMC3 mappers (Mapper 4) and supports WRAM with save support. Please note this board was designed to fit in the shells we manufacture which you can find here.

Component List

U1 – MMC1 – AX5904 MMC1 Implementation (INCLUDED)

U2 – PRG – 27C020/27C040/29F020/29F040/39SF020/39SF040 or compatible (39SF040 HERE)

U3 – CHR ROM – 27C020/29F020/39SF020 or compatible (Not Carried)

U3- CHR  RAM- 6264 SRAM (6264 HERE)

U4 – WRAM – 6264 SRAM(6264 HERE)

U5 – AX5202P (Not Used for MMC1)

C1,C4 – 22uf 16V Capacitor (HERE)

C2,C3,C5 – 0.1uf 50V Capacitor (HERE)

C6 – 1000pf Capacitor (Not Used for MMC1)

D1,D2 – 100V 300MA Diode – 1N4148-T50A (HERE)

R1,R2 – 10K Ohm Resistor (HERE)

R3 – 27K Ohm Resistor (Optional) (COMING SOON)

Battery – CR2032 Battery with tabs (Not Carried)

Mapper Compatibility

Verified compatible with SLROM, SGROM, SKROM, and SNROM mapper types. Please note that other mappers have not yet been tested.


Build instructions/tutorials aren’t available at this time. If you are uncomfortable or new to building your own cartridges please wait for tutorials to become available.

Additional information

Weight0.064375 lbs

FC TxSxROM Advanced




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