HPA/DCO Removal (Menu 5.4)
The TD2u automatically detects the use of the ATA HPA (Host Protected Area) and DCO (Device
Configuration Overlay) feature sets. Both HPA and DCO feature sets can be used to reduce the
apparent capacity of a hard disk. From a forensic point of view it is valuable to know if HPA
and/or DCO are in use. With that knowledge, the forensic practitioner can make an informed
decision about whether or not to acquire data in the hidden regions of the drive.
You can disable HPA without making a permanent modification to the drive, so the TD2u
automatically disables HPA on any hard disk connected to the source side of the duplicator. It
is not, however, possible to disable DCO without making a permanent modification to the
hard disk. For this reason, the TD2u will not automatically disable DCO on the source hard
disk.
The TD2u cannot disable HPA or DCO on the destination disk(s), however, the TD2u does
detect and warn about DCO on the destination disk(s).
The options within the Disk Utilities menu allow you to permanently disable both the DCO and
HPA on the source disk.
Status Information
During long disk operations including duplication, wiping, and stand-alone hashing, the TD2u
displays five performance/timing metrics in a rotating loop to track progress of the selected
operation.
The following table describes each of the performance/timing metrics displayed by the TD2u.
50
Tableau TD2u User Guide Version 1.3.0
Summary of Contents for TD2u
Page 1: ...USER GUIDE Tableau TD2u Version 1 3...
Page 6: ...vi...
Page 10: ...10 Tableau TD2u User Guide Version 1 3 0...
Page 16: ...16 Tableau TD2u User Guide Version 1 3 0...
Page 18: ...18 Tableau TD2u User Guide Version 1 3 0...
Page 30: ...30 Tableau TD2u User Guide Version 1 3 0...
Page 32: ...32 Tableau TD2u User Guide Version 1 3 0...
