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Native Serial ATA Mode

The advanced features that can be utilized in native mode revolve around improvements to the Serial ATA interconnect. The feature that has generated the most interest in this area is hot plugging, which allows an end user to remove a storage device from a Serial ATA controller while a system is running. This is useful for RAID systems and notebook docking stations with built-in storage devices. However, hot plugging should not be attempted with a system's primary boot device.

Another improvement is finer grained power management. In addition to doing power management on Serial ATA storage devices, the Serial ATA controller itself can be managed so that unused parts of the controller can be put into lower power modes to conserve electricity.

Finally there are features for Serial ATA drivers. There are new control, error and status registers that allow the Serial ATA controller to pass information to the driver about Serial ATA specific features. Also the Serial ATA interconnect configures its own transfer rate so that the driver no longer needs to.

[링크 : http://www.microsoft.com/whdc/device/storage/serialATA_FAQ.mspx]

[링크 : http://www.seattlerobotics.org/encoder/mar97/basics.html]