This SDFormatter is designed specially for DS flashcart users, which could improve the speed of game read/write onto Memory card when playing games.
Note: Remember to save your data before any formatting your memory card. R4wood.com are not responsible for your lost data.
PanasonicSDFormatter Tool Download
After downloading to PC, decompress ,then double click and run
If users find PanasonicSDFormatter above does not work, you can try this Windows SD Formatter 4.0.