Enhanced Integrated Device (or Intelligent Drive) Electronics

(E-I-D-E)

A Western Ditigal 1994 (about) expansion of the original IDE specification that allows a major increase in the size of supported hard drives. Also called ATA-2 (AT Attachment), the expansion included faster data rates, 32-bit transactions, DMA in some drives, power saving modes, and removable devices. This was followed by ATA-3 and Ultra DMA (ATA-4).

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