NES SxROM Advanced (Black)


Advanced MMC1 board with save capability.

In stock

SKU: NES_SxROM_Advanced_black Categories: , ,


NES SxROM Advanced Board (ONLY)

PLEASE NOTE: This listing is for the NES SxROM Advanced Board only, and is only made available by special request. Please contact us.

The NES SxROM Advanced is a homebrew or reproduction board that supports MMC1 mappers (Mapper 1) and supports WRAM with save support.

Component List

MMC3 – AX5904 MMC1 Implementation (NOT INCLUDED)

PRG – 27C010/27C020/29F010/29F020 or compatible (Not Carried)

CHR – 27C010/27C020/29F010/29F020 or compatible (Not Carried)

WRAM – 6264/62256 SRAM (6264 HERE) (62256 HERE)

Lockout Chip – AVRCIC (HERE)

C1,C4 – 22uf 16 V Capacitor (HERE)

C2,C3 – 0.1uf 50V Capacitor (HERE)

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 (COMING SOON)

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

Weight 0.039375 lbs
Dimensions 4.02 × 3 × 0.055 in



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