Page 1
USB 2.0 External RAID Enclosure
SAT3520U2R
Instruction Manual
Actual product may vary from photo
2 Drive USB 2.0 External RAID 0, 1 Enclosure
Page 2
FCC Compliance Statement
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. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
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This manual may make reference to trademarks, registered trademarks, and other protected names
and/or symbols of third-party companies not related in any way to StarTech.com. Where they occur
these references are for illustrative purposes only and do not represent an endorsement of a product
or service by StarTech.com, or an endorsement of the product(s) to which this manual applies by the
third-party company in question. Regardless of any direct acknowledgement elsewhere in the body of
this document, StarTech.com hereby acknowledges that all trademarks, registered trademarks,
service marks, and other protected names and/or symbols contained in this manual and related
documents are the property of their respective holders.
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Instruction Manual
i
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Hardware Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Single Mode (Non-RAID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
RAID 0 - Spanning Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
RAID 0 - Striping Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
RAID 1 - Mirroring Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Using the RIB Clean Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Drive Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Non-RAID (Single Mode) or RAID 0 Configuration . . . . . . . . . .5
RAID 1 Mirror Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
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Instruction Manual
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Thank you for purchasing a StarTech.com 2 Drive USB 2.0 External RAID 0, 1 Enclosure.
An ideal fit for RAID applications, this Dual 3.5" SATA Drive Enclosure is the perfect
solution for consolidating your storage into a convenient, external solution.
Introduction
•
Aluminum side panels maximize heat dissipation and provide durable hard drive
protection
Features
System Requirements:
•
Minimum Intel Pentium III CPU 500MHz, 128MB RAM
Package contents:
•
1 X Aluminum Enclosure
This package should contain:
•
Internal fan helps keep the enclosure and installed hard drives running cool for
maximized performance
•
Supports JBOD, Striping (RAID 0), Spanning (non RAID), and Mirror (RAID 1) modes
•
Six LEDs simplify monitoring the status of enclosure and installed drives
•
1 X USB Cable
•
1 X Screw Driver
•
1 X Power Adapter
•
1 X Manual
•
1 X Hard drive mounting screws
•
USB 1.1/2.0 equipped PC; Win2000, WinXP, Vista
•
Two 3.5” SATA 2.0 Hard Drives (for dual operation)
For PC:
•
Minimum Apple G3 processor, 128MB RAM
•
USB 1.1 equipped Mac; Mac OS 9.2, 10.1.5 or above
For Mac:
•
USB 2.0 equipped Mac; Mac OS 10.2 or above
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Instruction Manual
2
Hardware Guide
Front Panel
Rear Panel
Power indicator
1
Rebuild indicator
2
HDD1 Access Indicator
3
HDD2 Access Indicator
4
HDD1 Error Indicator
5
HDD2 Error Indicator
6
Ventilation
7
Power switch
1
Power receptacle
2
Power indicator
4
USB 2.0 port
3
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Instruction Manual
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Operating Modes
Single Mode (Non-RAID)
In Single Mode, the installed drives
will appear individually as two
independent drives. This function can
be used if only one hard drive is
installed, or two different brands or
capacities of drive are being used.
RAID 0 - Spanning Mode
In Spanning Mode, two hard drives
will appear as a single, large drive.
Spanning is an array that is written
sequentially across two drives.
RAID 0 - Striping Mode
To operate in Mirroring Mode, two
identical hard drives (capacity,
brand and model number) must be
used. In Striping Mode, two hard
drives will appear as one large, single
drive, but will provide faster data
transfers, as data will be written to the
drives in a “column” effect. This form
of array splits each piece of data
across both drives in segments. This
form of RAID does not provide
redundancy or data checking.
RAID 1 - Mirroring Mode
To operate in Mirroring Mode, two
identical hard drives (capacity,
brand and model number) must be
used. This mode creates an extra
copy (or mirrored set) of the data from
drive one on the second drive.
Mirroring Mode provides data
redundancy that is useful in the event
that the primary hard drive fails,
allowing an instant replacement of
damaged data with the second set.
Please note: If RAID 1 mode is in effect, and you wish to change to single or
RAID 0 modes, please use the RIB Clean utility to clean the drives partition
table, located on the StarTech.com website, in the Downloads section. For
more information, please see the section titled Using the RIB Clean Utility.
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Instruction Manual
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Using the RIB Clean Utility
If you wish to switch from RAID 1 - Mirroring Mode to another operating mode, the RIB
Clean Utility must be used to prepare partition information.
To use the RIB Clean Utility:
1. Download the utility from the StarTech.com website (Downloads section), and save it
to the local computer.
2. Double-click on the RIBClean icon to launch the Utility:
3. Once the main Utility screen loads, click on Scan Disk.
4. Once Disk Scanning is complete, click on Clean RIB. Once complete, click on Exit.
Installation
Remove the cover of the enclosure by
unfastening and removing the screws
on the bottom of the unit (bottom side
is closest to the USB 2.0 and DC/IN
ports). Insert the screwdriver into the
remaining screw hole, and press
outward.
1. Mode Selection
With the cover removed, the jumpers
used for mode selection are exposed.
Please note that the jumper pin
numbers are denoted on the circuit
board.
To configure SAT3520U2R for RAID,
use the following jumper pin
selections. Once completed, please
leave the enclosure open, for hard
drive installation:
Non-RAID
(Single Mode)
1 4
2 x x 5
3 x x 6
RAID 0
(Spanning Mode)
1 x 4
2 x x 5
3 x 6
RAID 0
(Striping Mode)
1 x 4
2 x x 5
3 x 6
RAID 1
(Mirroring Mode)
1 x x 4
2 x x 5
3 6
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2. Drive Installation
Unfasten the screws on the internal
drive holder case, and pull backward
to release and remove the drive tray
from the enclosure.
Warning! If you are installing drives to be used in RAID 1 (Mirroring) Mode
with a drive that already contains data, the drives require separate installation
to prevent the data from being formatted. As such, please skip to Drive
Installation: RAID 1 (Mirror Mode). If neither of the drives contain data, you
can proceed with the following instructions (for Non-RAID or RAID 0
Configurations).
Please note that if you are configuring SAT3520U2R for RAID applications
(Mirroring Mode, Striping Mode or Spanning Mode), the installed hard
drives must be identical in brand, size and model number.
Non-RAID (Single Mode) or RAID 0 Configurations:
Insert both hard drives into the drive
tray, and secure them with screws
(provided).
Insert the drive tray (with both drives
installed) back into the enclosure.
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Push the drive tray forward in the
enclosure, securing the connection.
Once the tray is firmly connected,
fasten the screws on the holder.
Replace the top panel of the
enclosure, and fasten the screws at
the bottom.
RAID 1 Mirror Mode
Insert the primary (containing data to
be mirrored) drive into the drive tray,
and fasten it to the tray with the
screws provided.
Insert the drive tray back into the
enclosure, ensuring the tray is
secured using the connectors.
Once secure, power on the enclosure.
SAT3520U2R will recognize the drive
as the master drive, and prepare it for
mirroring. Once complete, the error
light indicator of the second drive will
illuminate (denoted as HDD2 Error).
When this occurs, power off the
enclosure, and remove the drive tray
from the enclosure.
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Insert the second drive (containing no
data) into the drive tray, and fasten it to
the tray with the screws provided.
Secure the drive tray to the enclosure
connections, and fasten the tray to the
enclosure using the screws removed
earlier (depicted on page 4)
Place the cover back on the
enclosure, and replace the screws
removed earlier.
Power on the enclosure.
SAT3520U2R will indicate that the
Rebuild function is under way (the
corresponding light will display
activity), as the data from Drive 1 is
mirrored onto Drive 2, and RAID 1 is
configured on the drives.
Please note that the Mirroring process
may take several minutes, depending
on the quantity of data being mirrored.
Please do NOT power off the
enclosure, until the HDD2 Error LED
is no longer illuminated.
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Instruction Manual
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Technical Support
StarTech.com’s lifetime technical support is an integral part of our commitment to provide
industry-leading solutions. If you ever need help with your product, visit
www.startech.com/support and access our comprehensive selection of online tools,
documentation, and downloads.
Warranty Information
This product is backed by a one-year warranty. In addition, StarTech.com warrants its
products against defects in materials and workmanship for the periods noted, following
the initial date of purchase. During this period, the products may be returned for repair, or
replacement with equivalent products at our discretion. The warranty covers parts and
labor costs only. StarTech.com does not warrant its products from defects or damages
arising from misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their
officers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business,
or any pecuniary loss, arising out of or related to the use of the product exceed the
actual price paid for the product. Some states do not allow the exclusion or limitation of
incidental or consequential damages. If such laws apply, the limitations or exclusions
contained in this statement may not apply to you.
Specifications
Connector Types USB ‘B’ - Female
Drive Type Compatibility
SATA /300 (SATA II) and SATA /150 (SATA I) Hard
Drives
OS Support
Windows 2000/XP/NT/2003/Vista, MAC 10.2 or
Higher
Chipset Oxford OXU921DS
Maximum Single Drive Capacity
≤1 TB
Dimensions
226 x 62 x 145mm
(8.9 x 2.4 x 5.7”)
Weight .6Kg (1.3lb) (No drives installed)
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31 October 2007 (Rev. A)
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