https://web.archive.org/web/20120704194440/http://www.r4sdhc.com/index.asp cheats (original): _system_/usrcheat.dat _system_/cheat.dat original R4SDHC should use R4SDHC YSMenu cheats: R4iMenu/usrcheat.dat YSMenu (V2.10T and V2.20T UNTESTED! please open issue if not working): replace all files with R4i-SDHC YSMenu