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Intel ICH5 integrates two Serial ATA host controllers that provide you an even faster transfer rate of 150
Mbytes/second. The traditional parallel ATA specification has defined the standard storage interface for PCs
with its original speed of just 3 Mbytes/second since the protocol was introduced in the 1980s. And the latest
generation of the interface, Ultra ATA-133, has been developed further with a burst data transfer rate of 133
Mbytes/second. However, while ATA has enjoyed an illustrious track record, the specification is now showing its age and imposes some
serious design issues on today's developers, including a 5-volt signaling requirement, high pin count, and serious cabling headaches.
The Serial ATA specification is designed to overcome these design limitations while enabling the storage interface to scale with the growing
media rate demands of PC platforms. Serial ATA is to replace parallel ATA with the compatibility with existing operating systems and drivers,
adding performance headroom for years to come. It reduces voltage and pins count requirements and can be implemented with thin and
easy to route cables.
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Note: Please note that only under
Windows XP and Windows.Net
environment can you install the
total of 2 Parallel ATA and 2 Serial
ATA disks.
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