Study README before attempting to use this script! You should be very careful to avoid hardware damage.
Implement verifying the result
Ok output:
Provided file is valid EDID, checking original EDID in a EEPROM...
Writing new EDID to EEPROM...
OK: New EDID written and verified
Fail output:
Provided file is valid EDID, checking original EDID in a EEPROM...
Writing new EDID to EEPROM...
ERROR: Failed writing new EDID, maybe device is write-protected.
Nothing changed, existing device EDID kept unmodified
A-bit-more-safety side effect: if the original content does not contain EDID version
flashing fails with:
Provided file is valid EDID, checking original EDID in a EEPROM...
ERROR: Unknown EDID version 0