ANSI INCITS 298 : 1997

Foreword
Introduction
1 Scope
2 Definitions, abbreviations, and conventions
  2.1 Definitions and abbreviations
  2.2 Conventions
3 Interface physical and electrical requirements
  3.1 Cable configuration
  3.2 I/O cable
  3.3 Electrical characteristics
4 Interface signal assignments and descriptions
  4.1 Signal summary
  4.2 Signal descriptions
5 Interface register definitions and descriptions
  5.1 Device addressing considerations
  5.2 I/O register descriptions
6 General operational requirements
  6.1 Reset response
  6.2 Sector addressing
  6.3 Power management feature set
  6.4 Removable media mode transitions
  6.5 Security mode feature set
  6.6 Self-monitoring, analysis, and reporting technology
7 Command descriptions
  7.1 CHECK POWER MODE
  7.2 DOOR LOCK
  7.3 DOOR UNLOCK
  7.4 DOWNLOAD MICROCODE
  7.5 EXECUTE DEVICE DIAGNOSTIC
  7.6 FORMAT TRACK
  7.7 IDENTIFY DEVICE
  7.8 IDENTIFY DEVICE DMA
  7.9 IDLE
  7.10 IDLE IMMEDIATE
  7.11 INITIALIZE DEVICE PARAMETERS
  7.12 MEDIA EJECT
  7.13 NOP
  7.14 READ BUFFER
  7.15 READ DMA (with retries and without retries)
  7.16 READ LONG (with retries and without retries)
  7.17 READ MULTIPLE
  7.18 READ SECTOR(S) (with retries and without retries)
  7.19 READ VERIFY SECTOR(S) (with retries and without retries)
  7.20 RECALIBRATE
  7.21 SECURITY DISABLE PASSWORD
  7.22 SECURITY ERASE PREPARE
  7.23 SECURITY ERASE UNIT
  7.24 SECURITY FREEZE LOCK
  7.25 SECURITY SET PASSWORD
  7.26 SECURITY UNLOCK
  7.27 SEEK
  7.28 SET FEATURES
  7.29 SET MULTIPLE MODE
  7.30 SLEEP
  7.31 SMART
  7.32 STANDBY
  7.33 STANDBY IMMEDIATE
  7.34 WRITE BUFFER
  7.35 WRITE DMA (with retries and without retries)
  7.36 WRITE LONG (with retries and without retries)
  7.37 WRITE MULTIPLE
  7.38 WRITE SECTOR(S) (with retries and without retries)
  7.39 WRITE VERIFY
8 Protocol
  8.1 Power on and hardware resets
  8.2 Software reset
  8.3 PIO data in commands
  8.4 PIO data out commands
  8.5 Non-data commands
  8.6 DMA data transfer commands
  8.7 Single device configurations
9 Timing
  9.1 Deskewing
  9.2 Symbols
  9.3 Terms
  9.4 Data transfers
Annexes
A Connectors
B Identify device data for ATA devices below 8 GB
C Signal integrity
D ATA command set summary
E Bibliography

Defines the AT Attachment Interface between host systems and storage devices. Supplies a common attachment interface for system integrators, manufacturers, and suppliers of software and intelligent storage devices.