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Contents > Running Active@ KillDisk
> Modes of Operation
Active@ KillDisk User's Guide
4.2.1 Interactive Mode (continued)
4.2.1.1 Erase Data from a Device
When you select a physical device (for example, Hard Disk 0), the erase
command processes partitions no matter what condition they are in. Everything
must be destroyed.
Note: Because of the BIOS restrictions of some
manufactures, a hard disk device that is larger than 300 MB must have an MBR
(Master Boot Record) in sector zero. If you erase sector zero and fill it with
zeros or random characters, you might find that you cannot use the hard drive
after erasing the data. It is for this reason that—on hard drives larger than
300 MB—KillDisk creates an empty partition table and writes a typical MBR in
sector zero.
If you want to erase data on selected logical drives, follow the steps in
4.2.3 Erase or Wipe Logical Drives (Partitions).
To erase the data:
- Be certain that the drive you are pointing to is the one that you want
to erase. All data will be permanently erased with no chance for recovery.
- When you have selected the device to erase, select the checkbox for this
hard drive. To permanently erase all data on the selected partition, press
F10 or click Kill on the toolbar. The Kill dialog box
appears.
Figure 4-4 Kill dialog box

- To choose an erase method, select one from the drop-down list. Erase
methods are described in Chapter 6 Descriptions of Erase/Wipe Parameters in
this guide.
- Set other parameters for erasing. For information on these parameters,
see Chapter 6 Descriptions of Erase/Wipe Parameters in this guide.
- Click Start. If the Skip Confirmation check box is clear, the
Confirm Action
dialog box appears.
Figure 4-5 Confirm Action

- This is the final step before removing data from the selected drive for
ever. Type ERASE-ALL-DATA in the text box and press ENTER or
click YES. The Progress bar appears.
- To stop the process at any time, press ESC. Please note, however
that data that has already been erased will not be recoverable.
Figure 4-6 Disk Erasing in Progress

- There is nothing more to do until the end of the disk erasing process.
The application will operate on its own.
If there are any errors, for example due to bad clusters, they will be
reported on the Interactive screen. If such a message appears, you may
cancel the operation (by pressing ESC), or you may continue erasing
data.
NOTE: Because of the BIOS restrictions of some manufacturers, a hard
disk device that is larger than 300 MB must have an MBR (Master Boot Record)
in sector zero. If you erase sector zero and fill it with zeros or random
characters, you might find that you cannot use the hard drive after erasing
the data. It is for this reason that—on hard drives larger than 300 MB—KillDisk
creates an empty partition table and writes a typical MBR in sector zero.
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