Table 145
+=====-========-========-========-========-========-========-========-========+
| Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|Byte | | | | | | | | |
|=====+=======================================================================|
| 0 | Operation code (2Ah) |
|-----+-----------------------------------------------------------------------|
| 1 | Logical unit number | DPO | FUA |Reserved|Reserved| RelAdr |
|-----+-----------------------------------------------------------------------|
| 2 | (MSB) |
|-----+--- ---|
| 3 | |
|-----+--- Logical block address ---|
| 4 | |
|-----+--- ---|
| 5 | (LSB) |
|-----+-----------------------------------------------------------------------|
| 6 | Reserved |
|-----+-----------------------------------------------------------------------|
| 7 | (MSB) |
|-----+--- Transfer length |
| 8 | (LSB) |
|-----+-----------------------------------------------------------------------|
| 9 | Control |
+=============================================================================+