ATA timeline

Oct 13, 1980

ATA-1

When IBM unveiled the 80286-powered IBM PC AT in the early 1980s, it introduced the first PC to include BIOS support for hard drives.
Oct 13, 1996

ATA-2

The industry adopted a series of improvements to the ATA standard called ATA-2
Oct 13, 1997

ATA-3

Security, 44 pin connector for 2.5" drives
Oct 13, 1998

ATA-4

AT Attachment Packet Interface, Optional overlapped and queued command set features, Host Protected Area (HPA), CompactFlash Association (CFA) feature set for solid state drives.
Oct 13, 2000

ATA-5

80-wire cables; CompactFlash connector
Oct 13, 2002

ATA-6

48-bit LBA
Oct 13, 2005

ATA-7

Streaming feature set, long logical/physical sector feature set for non-packet devices

ATA-1