This standard specifies the AT Attachment (ATA) Command Set for ATA and Advanced Technology Attachments with Peripheral Component Interconnect (PCI) commands (ATAPI). It defines a set of command codes, data structures, and operational procedures that are used to communicate between host systems and storage devices such as hard disk drives. The standard aims to ensure interoperability among different manufacturers' devices by providing a consistent interface for accessing storage media.
*** Please note: This description may not be accurate, please refer to the official documentation.