Citroen C3 1.4 hdi 16v ecu Delphi C6 virgin?

[elcarpuz]

Hi, i have citroen c3 1.4 hdi 16v with ecu Delphi c6, the original ecu is lost and i have found another, but is coded...

I need to virgin this Delphi C6 to code to my car after

How can i do?

Possible to write FF FF..in eeprom?

Thanks