Pa jesi probao sa ovom komandom ?
romstrap (j) Override the ROM strap setting to allow flashing an
image when grounding the STRAP_SUB_VENDOR pin.
This allows flashing a corrupted or erased EEPROM.
Note: Make sure there is a physical EEPROM present
when using this option
za ovu naredbu eprom može biti potpuno nepoznat , samo da ga ima...