avrdude -c usbasp -p m162 -U flash:w:VCDS_2021_flash.bin:r
The community discovered that Ross-Tech had begun using a technique called The ATMEGA162 would write a specific value (e.g., 0xDEAD) to a hidden EEPROM location. If the VCDS software read that location and found it non-standard, it would disable advanced functions. vcds atmega162 reflash 2021