Write a hex pattern or pattern from a file to a sector range of the device. Write is performed directly to the disk, the operation may not be undone. Pattern is written multiple times, covering all specified sectors.
The maximum size of the hex pattern is 8 bytes. Use files for larger patterns.
Sector alignment. If the option is checked and the next pattern copy does not fit into the sector entirely then pattern writing starts from the beginning of the next sector. Otherwise patterns are being written consistently regardless of sector boundaries.