This is a draft document about Information Technology - AT Attachment-3 Interface (ATA-3), describing the features and characteristics of the interface.
This document is a working draft of the American National Standard X3.298‑1997, which defines the AT Attachment‑3 (ATA‑3) interface. It provides the physical, electrical, and protocol specifications required for compatibility between host computers and storage devices.
The standard includes detailed sections on signal assignments, register definitions, command sets, timing diagrams, and optional features such as power management and SMART. It also contains revision history, references to earlier ATA‑2 specifications, and legal notices regarding the voluntary nature of ANSI standards.
It specifies the AT Attachment‑3 (ATA‑3) interface between host systems and storage devices.
The standard is identified as ANSI X3.298‑1997.