Legally, you are supposed to "dump" these files from your own physical Nintendo DS hardware using homebrew tools. However, many users find them via digital preservation projects like Internet Archive [2]. Pro-Tip: Open Source Alternatives
A valid ndsbiosarm7.bin should be exactly (16 KB) and have a known SHA-1 hash. For the original DS Phat/Lite ARM7 BIOS:
: Without the original BIOS, emulators have to "guess" how the hardware reacts. Using the real biosarm7.bin
Legally, you are supposed to "dump" these files from your own physical Nintendo DS hardware using homebrew tools. However, many users find them via digital preservation projects like Internet Archive [2]. Pro-Tip: Open Source Alternatives
A valid ndsbiosarm7.bin should be exactly (16 KB) and have a known SHA-1 hash. For the original DS Phat/Lite ARM7 BIOS:
: Without the original BIOS, emulators have to "guess" how the hardware reacts. Using the real biosarm7.bin