systems; it is the fastest method but the least secure. This is the default security level when using
Secure Disk Erase.
●
1-Pass Mode: All pointers to the information are erased, and the information itself is also overwritten
with a fixed character pattern. This method is slower than Insecure Mode, but more secure. It may still
be possible to access fragments of the erased information by using special tools to detect residual
magnetic traces.
●
5-Pass Mode: All pointers to the information are erased, and the information itself is repetitively
overwritten using an algorithm designed to eliminate any residual traces. This is the slowest method,
but the most secure. 5-Pass Mode meets the US Department of Defense 5220-22.m requirements for
clearing and sanitization of disk media.
Use the Disk Wipe DoD 5330.22-M utility as follows:
1. In the Service Utilities submenu, scroll to Disk Wipe DoD 5330.22-M and press OK.
2. In the Disk Wipe DoD 5330.22-M submenu, scroll to Sanity Level and press OK.
3. In the Sanity Level submenu, scroll to the required Sanity Level and press OK.
NOTE: Erasing the Hard Disk drive using anything but Insecure Mode is a very slow process: 6 hours
for the 1-Pass Mode and 40 hours for the 5-Pass Mode.
4. Press Back to return to the Disk Wipe DoD 5330.22-M submenu.
5. In the Disk Wipe DoD 5330.22-M submenu, scroll to Disk Wipe DoD 5330.22-M and press OK.
6. When the following message appears on the front panel, press OK to perform a complete erase of the
Hard Disk Drive using the previously selected erase mode, or press Cancel to exit.
ENWW Service utilities 107
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