Obsolescence of ATA

For a long period of time, ATA ruled as the primary storage device interface and in some systems a third and fourth motherboard interface was provided (for example, Promise Ultra-100), for up to eight ATA devices attached to the motherboard.

After the introduction of SATA (Serial ATA), use of Parallel ATA declined, and new motherboards had only a single PATA connector, for up to two PATA optical drives, along with (typically) six or more SATA connectors for hard drives and other devices. In new computers, the parallel ATA interface is rarely used, and several PC chipsets have removed support for PATA, and motherboard vendors still wishing to offer ATA with those chipsets must include an additional interface chip.

August 4, 2011

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