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3.2 ATA Interface commands
3.2.1 Supported ATA commands
The following table lists supported ATA-standard and Seagate-specific
drive commands. For a detailed description of the ATA commands, refer
to the
Draft Proposed ATA-3 Standard.
See Section 3.2.4 on page 33 for
details and subcommands used in the S.M.A.R.T. implementation.
Command name
Command
code
Supported by
Marathon 2250
and Marathon 1680
ATA-standard commands
Execute Drive Diagnostics 90
H
Yes
Format Track 50
H
Yes
Identify Drive EC
H
Yes
Initialize Drive Parameters 91
H
Yes
NOP 00
H
No
Read Buffer E4
H
Yes
Read DMA (w/retry) C8
H
Yes
Read DMA (no retry) C9
H
Yes
Read Long (w/retry) 22
H
Yes
Read Long (no retry) 23
H
Yes
Read Multiple C4
H
Yes
Read Sectors (w/retry) 20
H
Yes
Read Sectors (no retry) 21
H
Yes
Read Verify Sectors (w/retry) 40
H
Yes
Read Verify Sectors (no retry) 41
H
Yes
Recalibrate 10
H
Yes
Seek 70
H
Yes
Set Features EF
H
Yes
Set Multiple Mode C6
H
Yes
continued on following page
Marathon 2250 and Marathon 1680 Product Manual 27