Well if your still here (this post is kinda old!)
..you put sav files in the root of your card and cheat files (usrcheat.dat OR CHEAT.dat) they both go into the _system_ Directory
I hope I was helpful
THE TIME COMMANDO WAZ HERE
What's Time Commando?
Code:
http://en.wikipedia.org/wiki/Time_Commando
I LOVE MY R4!