The XTA pinout was very similar to ATA, but only eight data lines and two address lines were used, and the physical device registers had completely different meanings.
XTA-nõelte süsteem sarnanes väga ATA omaga, kuid ainult kaheksa andmeriba ja kaks aadressiriba olid kasutusel ning füüsilise seadme registrid omasid täiesti teistsugust tähendust.