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Momentus 5400 FDE Product Manual, Rev. C
6. The software or BIOS issues the Security Erase Prepare (F3) command.
7. The software or BIOS issues the Security Erase Unit (F4) command.
Select the Enhanced erase for cryptographic erase that completes in less than one second.
3.5.3 Drive State after security erase
Upon completion of the erase sequence, all data is cryptographically erase and the drive has been returned to
the manufactured state as follows:
• The old encryption key is deleted.
• A new random encryption key has been created on the drive.
• Encryption function is active and functioning.
All user data is encrypted on write and decrypted on read, with the new key
• The user interface to the drive is active and all read and write commands are allowed.
• The ATA User password is reset to null (no value).
• The ATA Master password is not modified
The ATA Master password is the same value as it was before the erase.
• The ATA Security is set to the Unlocked state.
No password is required to access the drive.
The drive may now be disposed of safely, or the drive may be returned to service for another consumer follow-
ing the initialization procedure defined above. Drives returned to Seagate for warranty purposes have special
requirements. See the warranty information in Section 2.13 for additional details.