About Xserve RAID Driver 1.0
The Xserve RAID Driver Update should be installed by all Final Cut Pro users using an Xserve RAID. The update reduces I/O WRITE latency by overriding behavior to periodically force the Xserve RAID to write its buffer cache to the hard drives. Lower I/O WRITE latency improves performance during video capture and is required to avoid dropping frames regardless of the video resolution used.

Since the frequency of Xserve RAID cache flushing to the hard drives is reduced, it is strongly recommended that an Uninterruptible Power Supply (UPS) be used with the Xserve RAID to guard against the possibility of data loss in the event of a power failure.

Requirements: Xserve RAID Driver Update 1.0 works on all Macintosh computers running Mac OS X version 10.3.9 or later with a Xserve RAID. if your Xserve Raid is at firmware 1.5, this driver is disabled and you do not need this update.