When current stock is depleted there are no plans to produce more.
NES VxROM Basic Board
The NES VxROM Advanced is a homebrew or reproduction board that supports VRC2 and VRC4 mappers and supports WRAM.
VRC2 or VRC4 (Must be harvested from VRC2 or VRC4 game)
PRG – 27C010/27C020/39SF010/39SF020 or compatible (Not Carried)
CHR – 27C010/27C020/39SF010/39SF020 or compatible (Not Carried)
WRAM – 6264 SRAM (HERE)
Lockout Chip – AVRCIC (HERE)
C1 – 22uf 16V Capacitor (HERE)
C2,C3,C4,C5 – 0.1uf 50V Capacitor (HERE)
C6 – 56pf to 500pf Capacitor for WRAM support (Value seems to depend on game and components used) I’ve had the most luck with 82pf which you can get from digikey (DIGIKEY)
D1 – Diode 100V 300MA – 1N4148-T50A (HERE)
Verified compatible with VRC2B, VRC4A, VRC4B, VRC4D, and VRC4E. Please note that other mappers have not yet been tested.
Please note that is only for some games that have a hard time with newer SRAMs (Faster then 120ns). If you are using older SRAM or your game doesn’t have an issue then it is not needed.
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.