Serial ATA Interface

www.seagate.com

Table 10 Set Features command values (continued)

 

 

 

 

 

07H

 

07H PUIS feature set device spin-up

 

10H

 

Enable use of SATA features

 

55H

 

Disable read look-ahead (read cache) feature.

 

82H

 

Disable write cache.

 

86H

 

Disable the PUIS feature set.

 

90H

 

Disable use of SATA features.

 

AAH

 

Enable read look-ahead (read cache) feature (default).

 

F1H

 

Report full capacity available.

 

 

 

 

 

 

Note

At power-on, or after a hardware or software reset, the default values of the features are as indicated above.

4.3.3

S.M.A.R.T. commands

 

S.M.A.R.T. provides near-term failure prediction for disk drives. When S.M.A.R.T. is enabled, the drive monitors predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determines that a failure is likely, S.M.A.R.T. makes a status report available to the host. Not all failures are predictable. S.M.A.R.T. predictability is limited to the attributes the drive can monitor. For more information on S.M.A.R.T. commands and implementation, see the Draft ATA-5 Standard.

SeaTools diagnostic software activates a built-in drive self-test (DST S.M.A.R.T. command for D4H) that eliminates unnecessary drive returns. The diagnostic software ships with all new drives and is also available at: http://seatools.seagate.com.

This drive is shipped with S.M.A.R.T. features disabled. You must have a recent BIOS or software package that supports S.M.A.R.T. to enable this feature. The table below shows the S.M.A.R.T. command codes that the drive uses.

Table 11 S.M.A.R.T. commands

Code in features register

S.M.A.R.T. command

 

 

D0H

S.M.A.R.T. Read Data

 

 

D2H

S.M.A.R.T. Enable/Disable Attribute Autosave

D3H

S.M.A.R.T. Save Attribute Values

 

 

D4H

S.M.A.R.T. Execute Off-line Immediate (runs DST)

 

 

D5H

S.M.A.R.T. Read Log Sector

D6H

S.M.A.R.T. Write Log Sector

D8H

S.M.A.R.T. Enable Operations

 

 

D9H

S.M.A.R.T. Disable Operations

DAH

S.M.A.R.T. Return Status

Note

If an appropriate code is not written to the Features Register, the command is aborted and 0x04 (abort) is

written to the Error register.

 

 

 

38

Pipeline HD SATA Product Manual, Rev. F

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Seagate 100633414, ST1000VM002, ST2000VM003 manual A.R.T. commands, Code in features register A.R.T. command
Page 37 Page 39

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