| Bit Byte |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|
| 0 | Source address | DC | Cat | Source LUN | ||||
| 1 | Destination address | Reserved | Destination LUN | |||||
| 2 | Reserved | |||||||
| 3 | Reserved | |||||||
| 4 -- 5 |
(MSB)
Source block length
(LSB) | |||||||
| 6 -- 7 |
(MSB)
Destination block length
(LSB) | |||||||
| 8 -- 11 |
(MSB)
Number of blocks
(LSB) | |||||||