dave_user
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At the next boot, the <code>ethaddr</code> value wil be read from the OPTs:
<pre class="workstation-terminal">
Warning: ethernet@30be0000 428a0000 using MAC address from ROMeth0: ethernet@30be0000428a0000
Fastboot: Normal
Normal Boot
The OTP eFuse registers should be locked in order to avoid unwanted registers (and then MAC addresses) modifications. OTP lock grants the MAC values cannot be modified anymore.
{{ImportantMessage|text=If not locked yet, OTP bits can be set to ''''1'''' but not reversed to ''''0'''' value, so some modifications can be applied if the eFuse registers are not locked.}}
==== eFuse reading ====