asprogrammer+21013 , CH341A, CH21013, BIOS flashing, EEPROM programmer, SOIC8 clip, NeoProgrammer, write protect error, ASProgrammer setup.
It sounds like you’re looking for a proper guide to use with a CH341A programmer (the error 21013 typically appears when the software can’t find or initialize the programmer hardware). asprogrammer+21013
For 25-series SPI flash, disable “Fast Write” if you get errors. write protect error
: Creates a backup of the current firmware. Always save this as a .bin file before making changes. Erase : Clears the chip's memory before writing new data. Program : Writes your new firmware file to the chip. asprogrammer+21013