Table 242
+=====-========-========-========-========-========-========-========-========+
| Bit| | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|Byte | | | | | | | | |
|=====+=======================================================================|
| 0 | Operation code (47h) |
|-----+-----------------------------------------------------------------------|
| 1 | Logical unit number | Reserved |
|-----+-----------------------------------------------------------------------|
| 2 | Reserved |
|-----+-----------------------------------------------------------------------|
| 3 | Starting M field |
|-----+-----------------------------------------------------------------------|
| 4 | Starting S field |
|-----+-----------------------------------------------------------------------|
| 5 | Starting F field |
|-----+-----------------------------------------------------------------------|
| 6 | Ending M field |
|-----+-----------------------------------------------------------------------|
| 7 | Ending S field |
|-----+-----------------------------------------------------------------------|
| 8 | Ending F field |
|-----+-----------------------------------------------------------------------|
| 9 | Control |
+=============================================================================+