NES SxROM Advanced Board
The NES SxROM Advanced is a homebrew or reproduction board that supports MMC1 mappers (Mapper 1) and supports WRAM with save support.
MMC3 – AX5904 MMC1 Implementation (INCLUDED)
PRG – 27C010/27C020/29F010/29F020 or compatible (Not Carried)
CHR – 27C010/27C020/29F010/29F020 or compatible (Not Carried)
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)
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.