From GameBrew - a wiki dedicated to Video Game Homebrew.
|Version||28 October 2008|
Boot the firmware of the DS without taking out slot-1 card.
It requires firmware.nds (by Loopy) to run.
Download BootFirmware and put the .nds file somewhere on the SD card.
Put firmware.nds on the root directory of flash card.
Make a copy of the start up file for your slot-1 card (eg. MSFORSC.NDS).
Rename the copy to systemfile.nds.
It lets you to select on boot whether to start flashcard or the original NDS firmware.
Start - Boot the DS firmware
A - Boot the slot-1 system file
Works with Flashme.
Cannot be used the CycloDS.