v2.1

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