17
IV.
DoD Erase & Compare (DoD5220.22 M)
Besides DoD erase 3 times, this function will also execute comparison to make sure the random bit is correctly
written.
DoD EraseComp Method:
V.
Secure Erase
This function sends an ATA Secure Erase command. It overwrites every single track on the hard drive. Even
HPA/DCO or other data area which are not able to load, can be erased all together. Complies with NIST800-88
Standards.
Note
1.
The erasing duration of DoD Erase mode is 3 times longer than full erase mode.
2.
The duration of DoD EraseComp is 4 times longer than full erase mode.
[Erase]
4. DoD EraseComp
[Erase]
5. Secure Erase
Secure Erase
Complete 31:53