ISO International Standard

Information technology — AT Attachment — Part 105: ATA Command Set – 5 (ACS-5)

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. Figure 1 shows the relationship of this standard to other ATA standards as well as related device and host standards and specifications (e.g., SCSI standards and SATA-IO specifications).

This standard maintains compatibility with the ACS-4 standard, INCITS 529-2018, while providing additional functions.

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