The normal one. Its for the SDHC's, I don't know, but i'll try.Uuh.. Which "R4SDHC"? There's like a million flashcarts with that name. Is it for a specific cart? How do you plan to achieve that? What are you trying to improve that isn't on the original fws of these types of carts?
Good luck anyhow..
As mentioned there're lots of clones out there, each with their own uniqueThe normal one. Its for the SDHC's, I don't know, but i'll try.