(ATA-2, Enhanced Integrated Drive Electronics, EIDE) A proposed (May 1996 or earlier?) standard from x3t10 (document 948D rev 3) which extends the advanced technology attachment interface while maintaining compatibility with current ibm pc bios designs.

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

ATA-2 was developed by western digital as "Enhanced Integrated 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").