Read (12)
The Read(12) command is similar to the Read(10) command except that it has a larger 32-bit Transfer Length field. The CDB structure is:
| bit→ ↓byte |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|
| 0 | Operation code = A8h | |||||||
| 1 | Reserved | DPO | FUA | Reserved | RelAdr | |||
| 2–5 | LBA | |||||||
| 6–9 | Transfer length | |||||||
| 10 | Reserved | |||||||
| 11 | Control | |||||||
Read more about this topic: SCSI Read Commands
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