Controls low-power standby modes, the built-in power delivery limits of the USB ports, and PMIC (Power Management IC) behaviors.
(e.g., MAC address) Use a hex editor (e.g., hexedit , bless , wxHexEditor ).
Because the OTP memory cannot be safely altered casually, reading it requires using vcgencmd or inspecting the virtual file system exposed by the Linux kernel. To dump the raw state of all OTP registers: vcgencmd otp_dump Use code with caution.
Understanding otp.bin and seeprom.bin : The Keys to Wii U Security and Hacking
Unlike the permanent, unchangeable nature of the OTP fuses, the EEPROM can be written to, erased, and rewritten thousands of times. It behaves similarly to a tiny, ultra-reliable solid-state drive dedicated solely to the system's lowest-level firmware. The Role of eeprom.bin / seeprom.bin
If you want to read your dumps or test if they are valid, tools like the Wii U NAND Dumper PC tools or allow you to load otp.bin to verify its cryptographic validity. If Cemu accepts the keys, your backup is healthy and complete. De_Fuse and Unbricking