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| ATA (Advanced Technology Attachment) |
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The ATA is a formal name used by X3T10 group of the ANSI, and it is also called IDE
informally. It unifies the controller in the disk drive.
The ATA has several versions as stated in below, and those are developed by the SFF
committee.
ATA: Generally, it is known as IDE, and it supports one or two hard drives.
It is 16 bits interface and supports the PIO mode 0, 1, and 2.
ATA-2: It supports the PIO mode 3 & 4, which is faster, multiword DMA mode 1 & 2,
LBA, and block transmission. The ATA-2 is known as EIDE or Fast ATA in market.
ATA-3: It is a revised version of the ATA-2.
Ultra-ATA: It is known as the Ultra DMA, ATA-33, or DMA-33.
It supports the multiword DMA Mode 3, which operates at 33 Mbps.
ATA/66: It is a new version of the ATA, and it is proposed by Quantum co.
and upheld by Intel co. Its output is twice greater than the output of the ATA at 66
Mbps. The ATA/66 computer will come out in the early 1999.
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