There is often confusion between standard DS and DSi BIOS files. While they perform similar roles, they are unique to each hardware mode: : Emulators often require bios7.bin and bios9.bin .
: A standard, valid bios7.bin file is typically 16 KB (16,384 bytes). dsi bios7.bin
: To run DSi software, bios7.bin must be used alongside bios9.bin (ARM9 BIOS) and firmware.bin . There is often confusion between standard DS and