AT附件标准集包括本标准和AT附件-8 ATA/ATAPI体系结构模型（ATA8-AAM）中描述的ATA实施标准。ATA/ATAPI命令集-3（ACS-3）标准规定了主机系统用于访问存储设备的命令集。它为系统制造商、系统集成商、软件供应商和智能存储设备供应商提供通用命令集。本标准与ACS-2标准INCITS 482-2012保持兼容，同时提供附加功能。

The set of AT Attachment standards consists of this standard and the ATA implementation standards described inAT Attachment - 8 ATA/ATAPI Architecture Model (ATA8-AAM).The ATA/ATAPI Command Set -3 (ACS-3) standard specifies the command set host systems use to access storage devices. It 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-2 standard, INCITS 482-2012, while providing additional functions.