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Barracuda 7200.7 Product Manual, Rev. E 25
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-6 Standard.
See “S.M.A.R.T. commands” on page 31 for details and sub-
commands 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
Flush Cache Extended EA
H
Identify Device EC
H
Initialize Device Parameters 91
H
Read Buffer E4
H
Read DMA C8
H,
C9
H
Read DMA Extended 25
H
Read Multiple C4
H
Read Multiple Extended 29
H
Read Native Max Address F8
H
Read Native Max Address Extended 27
H
Read Sectors 20
H,
21
H
Read Sectors Extended 24
H
Read Verify Sectors 40
H,
41
H
Read Verify Sectors Extended 42
H
Seek 70
H
Set Features EF
H
Set Max F9
H
Note: Individual Set Max com-
mands are identified by the value
placed in the Set Max Features
register as defined to the right.
Address:
Password:
Lock:
Unlock:
Freeze Lock:
00
H
01
H
02
H
03
H
04
H
Set Multiple Mode C6
H
S.M.A.R.T. B0
H
Write Buffer E8
H
Write DMA CA
H,
CB
H
Write DMA Extended 35
H
Write Multiple C5
H
Write Multiple Extended 39
H
Write Sectors 30
H,
31
H