Product manual

Barracuda ATA V Product Manual, Rev. E 27
4.1.1 Supported ATA commands
The following table lists ATA-standard commands that the drive supports. For
a detailed description of the ATA commands, refer to the Draft ATA-5 Standard.
See “S.M.A.R.T. commands” on page 35 for details and subcommands used
in the S.M.A.R.T. implementation.
Command name Command code (in hex)
ATA-standard commands
Download Microcode 92
H
Execute Device Diagnostics 90
H
Flush Cache E7
H
Identify Device EC
H
Initialize Device Parameters 91
H
Read Buffer E4
H
Read DMA C8
H,
C9
H
Read Multiple C4
H
Read Native Max Addess F8
H
Read Sectors 20
H,
21
H
Read Verify Sectors 40
H,
41
H
Seek 70
H
Set Features EF
H
Set Max F9
H
Note: Individual Set Max commands
are identified by the value placed in the
Set Max Features Register as defined
to the right.
Address: 00
H
Password: 01
H
Lock: 02
H
Unlock: 03
H
Freeze Lock 04
H
Set Multiple Mode C6
H
S.M.A.R.T. B0
H
Write Buffer E8
H
Write DMA CA
H,
CB
H