What Is RAID, Package Contents

Dual high speed Serial ATA interface ports, each supporting 1st generation Serial ATA data rates (1.5Gb/s).

Provides RAID 0 (Stripping) to greatly increase the performance of data transfer by simultaneously writing data to 2 drives.

Provides RAID 1 (Mirroring) to protect the data from a disk failure by writing identical data on 2 drives.

Fully compliant with Serial ATA 1.0 specifications.

Supports Spread Spectrum in receiver.

Independent 256-byte FIFOs (32 bit * 64 deep) per Serial ATA channel for host reads and writes.

1.2. Package Contents

Low Profile SATA RAID 2 Port PCI Host Adapter

This Users Manual

Driver Diskette

Regular Size PCI Bracket

2. What Is RAID

RAID - Redundant Array of Independent Disks

RAID technology manages multiple disk drives to enhance I/O performance and provide redundancy in order to withstand the failure of any individual member, without loss of data. This card provides two RAID Set types, Striped (RAID 0) and Mirrored (RAID 1).

Disk Striping (RAID 0)

Striping is a performance-oriented, non-redundant data mapping technique. While Striping is discussed as a RAID Set type, it is actually does not provide fault tolerance. With modern SATA bus mastering technology, multiple I/O operations can be done in parallel, enhancing performance. Striping arrays use multiple disks to form a larger virtual disk.

Disk Mirroring (RAID 1)

Disk mirroring creates an identical twin for a selected disk by having the data simultaneously written to two disks. This redundancy provides instantaneous protection from a single disk

- 3 -