LOAD SAV FILE and SAVE SAV FILE OPTIONS
This is described in more detail in the product manual, you can visit the manual by scan the QR code in the 5th tab of the kernel interface.
These two functions are only useful after you have used Mode B.
LOAD SAVE FILE: Load the sav file with the same name as the corresponding game on NORFLASH from the SAVER directory to the FRAM chip. Before using the DS-GBA link transfer function, you can use this method to load the save data which required for transfer into FRAM, and then switch to Mode B to link with the DS game.
SAVE SAV FILE: backup the game save file from FRAM to SAVER directory with the same file name as the corresponding game name on NORFLASH. When using this function, please make sure that the save data of the current game does exist in FRAM, otherwise, using this function may cause the save file of the game to be overwritten by other data and lost.
As long as you have been using unmodified commercial game ROMs, you can turn on FAST PATCH ENGINE, unless you are using a modified commercial ROM, such as a translated version, and want to use Addon, you need to turn off FAST PATCH ENGINE.