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28 Barracuda Serial ATA V Product Manual, Rev. B
4.2 Supported ATA commands
The following table lists Serial ATA standard commands that the drive sup-
ports. For a detailed description of the ATA commands, refer to the Serial
ATA: High Speed Serialized AT Attachment specification. See “S.M.A.R.T.
commands” on page 37.for details and subcommands used in the S.M.A.R.T.
implementation.
Table 7: Supported ATA commands
Command name Command code (in hex)
ATA-standard commands
Device Configuration Restore B1h/C0h
Device Configuration Freeze Lock B1h/C1h
Device Configuration Identify B1h/C2h
Device Configuration Set B1h/C3h
Download Microcode 92h
Execute Device Diagnostics 90h
Flush Cache E7h
Identify Device ECh
Initialize Device Parameters 91h
Read Buffer E4h
Read DMA C8h
Read DMA without Retries C9h
Read Long with Retries 22h
Read Long without Retries 23h
Read Multiple C4h
Read Native Max Address F8h
Read Sectors 20h
Read Sectors without Retries 21h
Read Verify Sectors 40h
Read Verify Sectors without Retries 41h
Seek 70h
Set Features EFh
Set Max Address F9h