SNES Advanced DIP42 2MB
The SNES Advanced DIP42 2MB is a homebrew or reproduction board that supports LoROM and HiROM games up to 2MB (16 Megabit) with a 42 Pin EPROM with support WRAM with a battery.
ROM – 27C400/27C800/27C160 or compatible. Please note this board is NOT compatible with the 27C322 (Not Carried)
Lockout Chip – SuperCIC Key (12F629 programmed with Super CIC Key) (HERE)
Address Decoder Chip 74LS139 (HERE)
C1,C4 – 22uf 16 V Capacitor (HERE)
C2,C3 – 0.1uf 50V Capacitor (HERE)
D1,D2 – 100V 300MA Diode – 1N4148-T50A (HERE)
R1 – 10K Ohm Resistor (HERE)
R2 – 1K Ohm Resistor (HERE)
Battery – CR2032 Battery with tabs (Not Carried)
R3,R4, D3, and D4 – Are optional components for adding LEDs. Please note that no testing of this has been done and you are completely on your own to figure this out.
I have also added a new footprint for a SuperCIC programmed to a 10F322. Please note this has not yet been tested and is not guaranteed.
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.