Reserve Unit command
Command op code: 16H
SCSI Specification: Section 14.2.6
Command block descriptor
This command is not fully implemented. A Good Status will be returned if it is executed.
Bit | 7 | 6 | 5 |
| 4 | 3 |
| 2 | 1 | 0 |
Byte |
|
|
|
|
|
|
|
|
|
|
0 |
|
|
| Operation Code (16H) |
|
|
| |||
|
|
|
|
|
|
|
| |||
1 | Logical Unit Number |
|
| 3rdPty | Third Party Device |
| Reserved | |||
2 |
|
|
|
| Reserved |
|
|
| ||
3 |
|
|
|
| Reserved |
|
|
| ||
|
|
|
|
|
|
|
|
| ||
4 |
|
|
|
| Reserved |
|
|
| ||
|
|
|
|
|
|
|
| |||
5 | Vendor Unique |
|
| Reserved |
| Flag | Link |
Scan command
Command op code: 1BH
SCSI Specification: Section 14.2.7
Command block descriptor
Transfer length must be set to zero.
Bit | 7 | 6 | 5 |
| 4 | 3 |
| 2 | 1 | 0 |
Byte |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
|
|
| Operation Code (1BH) |
|
|
| |||
|
|
|
|
|
|
|
|
| ||
1 | Logical Unit Number |
| Reserved |
|
|
|
|
| ||
2 |
|
|
|
| Reserved |
|
|
| ||
|
|
|
|
|
|
|
|
| ||
3 |
|
|
|
| Reserved |
|
|
| ||
|
|
|
|
|
|
|
|
| ||
4 |
|
|
|
| Transfer Length |
|
|
| ||
5 | Vendor Unique |
|
| Reserved |
| Flag | Link |
|