Reflashing SNES Repros - dkidd928/cartreader GitHub Wiki

You can reflash some Chinese repros that are built like this, you just have to connect the WE pin from the flashrom to the cart edge with a wire:

Setup the Cartridge Reader Shield's jumpers like so.

And then in the main menu first select "Super Nintendo" and then choose either "HiROM repro" or "LoROM repro".
To program the flashrom you need to erase it, then do the blank-check and finally select write to flash it with your rom.
While writing a rom to the flashrom the led should blink constantly until the flashing process is completed.

If you have a repro made out of a SHVC-1J3M or SHVC-1A3M PCB and a 29F016, 29F032 or 29F033 flashrom you can easily reflash it without desoldering the flashrom. For example when there has been an update to the translation patch.

For this you need to disconnect the flashram's WE pin from VCC by removing the solder jumper and then connect the flashram WE pin to sram's WR pin. Now double check that the WE solder bridge is not closed and flash the chip like explained above.