The Serial ATA specification has been finalized and released, and many companies are moving forward to transition to this new interface. In order to ease the first implementations in this transition, there are multiple approaches to defining products, offering flexibility during the early adoption stages. In some cases, bridge chips may be used to convert conventional ATA interfaces into a serial ATA interface, which can be used for early stage products, or product testing. A straightforward approach to host implementations can be accomplished using a PCI based Serial ATA controller, which preserves the base ATA functionality of the southbridge chipset.
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