This equipment has been tested and found to comply with the limits for a
Class B digital device pursuant to Part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. Th is equipment generates, uses and can radiate radio
frequency energy. If not installed and used in accordance with the
instructions, it may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If the equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment on
and off, the user is encouraged to try and correct the interference by one or
more of the following suggestions.
Reorient or relocate the receiving antenna
Increase the distance between the equipment and the receiver
Connect the equipment to a different power outlet other than the one where
receiver is connected
Consult a certified television or radio technician
LIMITED WARRANTY
Addonics guaran tees that every product is free from physical defects in
material and workmanship during th e warranty period specified for each
product when used within the limits set forth in the Specifications section in
the user guide. Unauthorized tempering of the product or using it outside the
scope of the product specifications will result in voiding the warranty. If the
product proves defective during this warranty period, call Addonics Technical
Support to obtain a Return Authorization number. BE SURE TO HAVE
YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. RETURN
REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF
PURCHASE. When returning a product, mark the Return Authorization
number clearly on the outside of the package and include your original pr oof
of purchase. Customers are responsible for paying the shipping and handling
of the products to Addonics warranty service location.
IN NO EVENT SHALL ADDONICS’ LIABILITY EXCEED THE PRICE
PAID FOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM
THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFTWARE, OR
ITS DOCUMENTATION. Addonics makes no warranty or representation,
expressed, implied, or statuary, with respect to its products or the contents or
use of the user guide and all accompanying software, and specifically
disclaims its quality, performance, merchantability, or fitness for any
particular purpose. Addonics reserves the right to revise or update its
products, software, or documentation without obligation to notify any
individual or entity.
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Chapter 1 Specifications
General
= Serial ATA (SATA) – 1.5 Gbps (150MB/s)
= Compliant with SATA 1.0, and ATA, ATA II
Extensions to SATA 1.0:
• Port Multiplier
• Native Command Queuing (NCQ)
• First Party DMA
= Four independent DMA channels with 2KB FIFO per channel
= Independent command fetch, scatter/gather, and command execution
=Supports ATAPI devices: CD-ROM, DVD-ROM, etc.
=Supports hot-plug of SATA devices
=Built-in RAID 0, RAID 1, RAID 1+0, RAID 5 and JBOD support
=Silicon Image chipset SiI 3124
PCI Interface
=Supports PCI bus host cards with 32-bit data
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Chapter 2 RAID tutorial
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 withstan d the failure of any
individual member, without loss of data. This card provides two RAID Set
types, Striped (RAID 0) and Mirrored (RAID 1).
2.1 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 t echnology, multiple
I/O operations can be done in parallel, enhancing performance. Striping
arrays use multiple disks to form a larger virtual disk.
2.2 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 failure. If a read failur e occurs on one drive, the
system reads the data from the other drive.
2.3 Mirrored-Striping (RAID 1+0)
A Mirrored-Stripin g Set does just what it says, combining both Striping and
Mirrorin g technologies to provide both the performance enhancements that
come from Striping and the data availability and integrity that comes
from Mirroring. When data is written to a Mirrored-Striped Set, instead of
creating just one virtual disk, as Striping would do, a second, mirrored virtual
disk is created as well.
2.4Spare Drive (RAID 1 +S)
Spare Drive is a standby drive assigned to serve a Raid 1 Set. When a
member drive of this Raid 1 set drive fails, the Spare Drive becomes a
member drive and automatically starts to rebuild. Thus making it the new
member of the Raid 1Set.
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2.5Parity RAID (RAID 5)
Parity or RAID 5 adds fault tolerance to Disk Striping by including parity
information with the data. Parity RAID dedicates the equivalent of one disk
for storing parity stripes. The data and parity information is arranged on the
disk array so that the parity is written to different disk. There are at least 3
members to a Parity RAID set.
2.6JBOD (Just Bunch of Disks)
The JBOD is a virtual disk that can either be an entire disk drive or a segment
of a single disk drive.
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