Advanced Technology Attachment Interface with Extensions

Advanced Technology Attachment Interface with Extensions

(storage, standard)(ATA-2, Enhanced Integrated DriveElectronics, EIDE) A proposed (May 1996 or earlier?)standard from X3T10 (document 948D rev 3) which extendsthe Advanced Technology Attachment interface whilemaintaining compatibility with current IBM PC BIOSdesigns.

ATA-2 provides for faster data rates, 32-bit transactions and(in some drives) DMA. Optional support for power savingmodes and removable devices is also in the standard.

ATA-2 was developed by Western Digital as "EnhancedIntegrated Drive Electronics" (EIDE) around 1994.Marketroids call it "Fast ATA" or "Fast ATA-2".

ATA-2 was followed by ATA-3 and ATA-4 ("Ultra DMA").