ANSI/INCITS 529

Information Technology – ATA Command Set - 4 (ACS-4)

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Organization: ANSI
Publication Date: 21 September 2018
Status: active
Page Count: 651
scope:

The set of AT Attachment standards consists of this standard and the ATA implementation standards described in AT Attachment - 8 ATA/ATAPI Architecture Model (ATA8-AAM). This standard specifies the command set that host systems use to access storage devices. This standard provides a common command set for systems manufacturers, system integrators, software suppliers, and suppliers of intelligent storage devices.

This standard maintains compatibility with the ACS-3 standard, INCITS 522-2014, while providing additional functions.

The following features and commands have been made obsolete in this standard:

a) the AT Attachment with Packet Interface (ATAPI);

b) the READ MULTIPLE command;

c) the READ MULTIPLE EXT command;

d) the SET MULTIPLE MODE command;

e) the SMART EXECUTE OFF-LINE IMMEDIATE command;

f) the SMART READ data command;

g) the SMART DISABLE OPERATIONS command;

h) the SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE command;

i) the SMART ENABLE OPERATIONS command;

j) the WRITE MULTIPLE command;

k) the WRITE MULTIPLE EXT command;

l) the WRITE MULTIPLE FUA EXT command;

m) the contents of IDENTIFY DEVICE data word 47; and

n) the contents of IDENTIFY DEVICE data word 58 bits 8:0.

Document History

ANSI/INCITS 529
September 21, 2018
Information Technology – ATA Command Set - 4 (ACS-4)
The set of AT Attachment standards consists of this standard and the ATA implementation standards described in AT Attachment - 8 ATA/ATAPI Architecture Model (ATA8-AAM). This standard specifies the...

References

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