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→Boot ROM
== Boot ROM ==
== Boot ROM ==
The non-protected areas of the ARM9 and ARM11 boot ROMs are identical for launch-day regular Old3DS, 2DS, and regular New3DS.
Upon boot, parts of the ARM9 and ARM11 boot ROMs are protected by writing to [[CONFIG#CFG_SYSPROT9|CFG_SYSPROT9]] and [[CONFIG#CFG_SYSPROT11|CFG_SYSPROT11]], respectively. The non-protected areas of the ARM9 and ARM11 boot ROMs are identical for launch-day regular Old3DS, 2DS, and regular New3DS.
Besides NATIVE_FIRM, the bootloader is also capable of booting other firmwares (such as TWL_FIRM and AGB_FIRM). However, this will result either in a japanese error-screen or a system shutdown, directly after FIRM-Launching.
Besides NATIVE_FIRM, the bootloader is also capable of booting other firmwares (such as TWL_FIRM and AGB_FIRM). However, this will result either in a japanese error-screen or a system shutdown, directly after FIRM-Launching.