The secondary processor clocked at ~33 MHz. It handles 2D sub-graphics engines, sound processing, Wi-Fi networking, touchscreen input integration, and power management. Its boot code is housed in bios7.bin .
| Error Message | Likely Cause | |---------------|----------------| | ndsbiosarm7.bin not found | File missing or wrong folder. | | Bad BIOS size | File is corrupted or wrong dump. | | ARM7 BIOS doesn't match expected hash | Using a DSi/3DS BIOS or modified file. | | Game boots to white screen | BIOS missing or HLE incompatibility. | ndsbiosarm7bin
Common tools for this process include homebrew applications like dsibiosdumper The secondary processor clocked at ~33 MHz