SCSI-2

16.2.2 ERASE(12) command

The ERASE(12) command (see table 301) requests that the target erase the specified number of blocks starting at the specified logical block address on the medium.

Table 301 - ERASE(12) command

===============================================================================
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    |
|Byte |        |        |        |        |        |        |        |        |
|=============================================================================|
| 0   |                           Operation code (ACh)                        |
|-----------------------------------------------------------------------------|
| 1   |   Logical unit number    |     Reserved    |  ERA   |Reserved| RelAdr |
|-----------------------------------------------------------------------------|
| 2   | (MSB)                                                                 |
|---------                                                                 ---|
| 3   |                                                                       |
|---------                        Logical block address                    ---|
| 4   |                                                                       |
|---------                                                                 ---|
| 5   |                                                                 (LSB) |
|-----------------------------------------------------------------------------|
| 6   | (MSB)                                                                 |
|---------                                                                 ---|
| 7   |                                                                       |
|---------                        Transfer length                          ---|
| 8   |                                                                       |
|---------                                                                 ---|
| 9   |                                                                 (LSB) |
|-----------------------------------------------------------------------------|
| 10  |                           Reserved                                    |
|-----------------------------------------------------------------------------|
| 11  |                           Control                                     |
===============================================================================

See the ERASE(10) command (16.2.1) for a description of the fields in this command.