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Parallel ATA
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Parallel ATA, originally AT Attachment, also known as Integrated Drive Electronics, is a standard interface designed for IBM PC-compatible computers. It was first developed by Western Digital and Comp
Two ATA motherboard sockets above, with an ATA connector below
Two ATA motherboard sockets above, with an ATA connector below
IDE Connectors in PC Chips M925LR Pentium 4
IDE Connectors in PC Chips M925LR Pentium 4
Example of a 1992 80386 PC motherboard with nothing built in other than memory, keyboard, processor, cache, realtime clock, and slots. Such basic moth
Example of a 1992 80386 PC motherboard with nothing built in other than memory, keyboard, processor, cache, realtime clock, and slots. Such basic motherboards could have been outfitted with either the ST-506 or ATA interface, but usually not both. A single 2-drive ATA interface and a floppy interface was added to this system via the 16-bit ISA card.
44-pin PATA connector on a 2.5-inch drive, with 4 pins on the side for Master/Slave selection.
44-pin PATA connector on a 2.5-inch drive, with 4 pins on the side for Master/Slave selection.
SATA
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SATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. Serial ATA succeeded the earlier Parallel ATA
Parallel ATA
…and its previous incarnations are still in common informal use, in particular Extended IDE (EIDE) and Ultra ATA (UATA). After the introduction of SATA in 2003, the original ATA was renamed to Parallel ATA, or PATA for short. Parallel ATA cables have a maximum allowable length of 18 inches (460 mm…
A 3.5-inch Serial ATA hard disk drive
A 3.5-inch Serial ATA hard disk drive
A 2.5-inch Serial ATA solid-state drive
A 2.5-inch Serial ATA solid-state drive
SATA 6 Gbit/s host controller, a PCI Express ×1 card with Marvell chipset
SATA 6 Gbit/s host controller, a PCI Express ×1 card with Marvell chipset
SATA 2 connectors on a computer motherboard, all but two with cables plugged in. Note that there is no visible difference, other than the labeling, be
SATA 2 connectors on a computer motherboard, all but two with cables plugged in. Note that there is no visible difference, other than the labeling, between SATA 1, SATA 2, and SATA 3 cables and connectors.