ATA Packet Interface - a development of the IDE standard allowing CD-ROM drives, scanners, etc., to be connected more easily
1. The ATA Programmer's Interface. A set of SCSI-like commands designed to address a CDROM drive over an IDEinterface. Allows users to install and use a CDROM drive in much the same manner as a hard disk. 
ATAPI (AT Attachment Packet Interface) is an interface between your computer and attached CD-ROM drives and tape backup drives. Most of today's PC computers use the standard Integrated Drive Electronics (IDE) interface to address hard disk drives. ATAPI provides the additional commands needed for controlling a CD-ROM player or tape backup so that y...
ATA Packet Interface, the ATA/IDE standard for CD-ROM, tape and removable drives.
Advanced Technology Attachment Packet Interface
In computing, ATAPI is a type of CD-ROM or DVD-ROM drive that is connected to an IDE controller.
Advanced Technology Attachment Packet Interface
Advanced Technology Attachment Packet Interface is a interface to support CD Drives and DVD Drives using the computers current ATA(IDE/EIDE) connections. ATA was originally designed for hard drives only, but with help of ATAPI it is possible to connect other devices to the ATA(IDE/EIDE) connections.
ATA Packet Interface, used by most CD-ROMs, and other devices.