Mercury OWC  Elite Pro User guide
OWC Mercury Elite Pro Dual mini
ASSEMBLY MANUAL & USER GUIDE
TABLE OF CONTENTS
1. INTRODUCTION....................................................................................... 1
1.1 MINIMUM SYSTEM REQUIREMENTS
1.1.1 Apple® Mac Requirements
1.1.2 PC Requirements
1.1.3 Supported Drives
1.2 PACKAGE CONTENTS
1.3 ABOUT THIS MANUAL
1.4 REAR VIEW
1.4.1 Rear Features
1.5 LED INDICATORS
2. SYSTEM SETUP......................................................................................... 3
2.1 QUICK START
2.2 ASSEMBLY
2.3 RAID SETTINGS
2.3.1 Changing the RAID Mode
2.3.2 RAID Modes
2.4 DRIVE FAILURE
3. APPENDIX.................................................................................................. 9
3.1 TROUBLESHOOTING
3.2 ABOUT DATA BACKUP
3.3 ONLINE RESOURCES
3.4 TECHNICAL SUPPORT HOURS AND CONTACT INFORMATION
OWC MERCURY ELITE PRO DUAL MINI
TABLE OF CONTENTS
INTRODUCTION
1.1 MINIMUM SYSTEM REQUIREMENTS
1.1.1 Apple® Mac Requirements
1.1.2 PC Requirements
•PowerPC G4 CPU, 128MB RAM
•500MHz Intel® Pentium® 3 CPU, 128MB RAM
•FireWire 800: Mac OS X 10.2 or later
•FireWire 800: Windows® XP or later
•USB 3.0 (backwards compatible to
USB 2.0): Mac OS X 10.2 or later
•USB 3.0 (backwards compatible to USB 2.0):
Windows XP or later
1.1.3 Supported Drives
•2.5” SATA hard drives (HDDs) or solid-state drives (SSDs) up to 12.5 mm tall.
NOTE: Drives of identical capacity and model are required for RAID 0 and RAID 1.
1.2 PACKAGE CONTENTS
Mercury Elite Pro Dual
mini
USB 3.0 cable
(Standard-A to Micro-B)
FireWire 800 (1394b)
9-9 pin cable
NOTE: If purchased without drives installed, a set of eight Phillips screws is also included.
1.3 ABOUT THIS MANUAL
Firmware, images, and descriptions may vary slightly between this manual and the unit
shipped. Functions and features may change depending on the firmware version. Please
visit the product webpage for the most recent product specifications.
1.4 REAR VIEW
1
2
3
4
1.4.1 Rear Features
1.FireWire 800 ports — Attach the included 9-9 pin FireWire 800 cable to one of
these ports and to your computer. Use the other FireWire 800 port to daisy-chain
other FireWire 800 devices. NOTE: Any device daisy-chained off of the Mercury
Elite Pro Dual mini must be powered by its own power supply. The Mercury Elite
OWC MERCURY ELITE PRO DUAL MINI
1
INTRODUCTION
Pro Dual mini does not support bus-powering other devices.
2.USB 3.0 port — Attach the included USB 3.0 (Standard-A to Micro-B) cable here.
3.On/off switch — Turn on and off the Mercury Elite Pro Dual mini here.
4.Power input — Connect the 12V power adapter here (sold separately).
NOTE:
•When connected using FireWire, the Mercury Elite Pro Dual mini will receive all
necessary power from the computer through the FireWire port. However, the USB
connection does not provide as much power as FireWire. When connecting over
USB, an external power adapter is required. The 12V power adapter is available at:
http://eshop.macsales.com/item/OWC/MEP2BAYM15/
•If the Mercury Elite Pro Dual mini is daisy-chained off of another FireWire device
instead of being connected directly to a computer, you must use the 12V power
adapter. Attempting to bus-power the Mercury Elite Pro Dual mini using the FireWire
port of another device could cause damage to one or both devices and should not
be attempted.
•Even when the power 12V power adapter is not connected, the on/off switch must
be in the ‘on’ position in order to use the Mercury Elite Pro Dual mini.
•Only one interface (USB or FireWire) at a time can be used.
•For the safe removal of your drive and to ensure that no data is lost, always eject or
unmount the drive from your operating system before powering off.
1.5 LED INDICATORS
The Mercury Elite Pro Dual mini has two multicolored LED indicators located behind the
front grill, one for each drive. The following chart shows how to interpret the activity of
these LED indicators.
NORMAL
OPERATION
DRIVE 1 FAILURE
DRIVE 1 REBUILD
DOUBLE
FAILURE
SOLID RED
STEADY BLINKING
RED FOR REBUILD,
FLASHING BLUE
FOR ACTIVITY
SOLID
RED
SOLID BLUE FOR SOLID BLUE FOR SOLID BLUE FOR
DRIVE 2
POWER, FLASHING POWER, FLASHING POWER, FLASHING
LED
BLUE FOR ACTIVITY BLUE FOR ACTIVITY BLUE FOR ACTIVITY
SOLID
RED
SOLID BLUE FOR
DRIVE 1
POWER, FLASHING
LED
BLUE FOR ACTIVITY
NOTE: In the event of a failure and rebuild of drive 2, simply switch the rows for “Drive 1
LED” and “Drive 2 LED”.
OWC MERCURY ELITE PRO DUAL MINI
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INTRODUCTION
SYSTEM SETUP
2.1 QUICK START
If you purchased the Mercury Elite Pro Dual mini as an empty enclosure, see Section 2.2,
Assembly. If you purchased the Mercury Elite Pro Dual mini with drives already installed,
the OWC Drive Guide formatting utility has been installed on your Mercury Elite Pro Dual
mini. Follow these steps to use the OWC Drive Guide to format your Mercury Elite Pro
Dual mini for Mac OS X (10.4 and later) or Windows (XP and later).
1.Connect your drive to your computer using the proper cable, then turn on your drive.
If you prefer to use a different formatting utility, do so at this time and skip the rest of
these instructions.
2.Your drive will show up as “OWC HD”. Open your drive to view its contents.
3.Open the “Macintosh Setup” or “Windows Setup” folder, depending on the computer’s
operating system, then double-click the OWC Drive Guide application.
4.Follow the simple on-screen instructions to complete the formatting process.
5.Once the formatting is finished the drive is ready to use.
2.2 ASSEMBLY
NOTE: The following instructions show how to open the Mercury Elite Pro Dual mini
in order to change the RAID settings and install drives. If you purchased the Mercury
Elite Pro Dual mini with drives already installed, follow the assembly instructions through
step 3 to gain access to the DIP switches that control the RAID settings. If you wish to remove or replace the drives after the expiration of the original warranty, you may do so at
that time. Removal of the pre-installed drives before the expiration of the original
warranty of the Mercury Elite Pro Dual mini will VOID the warranty.
1.Use a Phillips screwdriver to remove the two screws at the rear of the enclosure, as
circled below in red.
OWC MERCURY ELITE PRO DUAL MINI
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System Setup
2.Tilt the Mercury Elite Pro Dual mini up
at the front to allow the back plate to
fall free. Note the three DIP switches
in the blue block to the left of the on/
off switch. You will use these switches
to configure the desired RAID mode.
For now, set aside the back plate and
continue to step 3.
3. Gently push on the inner chassis
that was exposed by removing
the back plate. The inner chassis
should slide easily out of the
outer enclosure. Once there is
enough room at the front, as
shown to the left, you can pull
on the front of the inner chassis
to remove it fully.
NOTE: You are now able to access the
DIP switches to change the RAID mode
of the Mercury Elite Pro Dual mini. See
Section 2.3, RAID Settings for instructions on how to change the RAID
mode.
4.Once the inner chassis has been removed from the outer enclosure,
note the two SATA connectors on
the right. There are also eight screw
holes: four through the metal on the
left and four through the green circuit board on the right. These are the
items that you will use to secure your
drives to the inner chassis.
OWC MERCURY ELITE PRO DUAL MINI
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System Setup
5.Place your drives in the
inner chassis as shown to
the right. Press each drive
toward the rear of the inner
chassis to make sure that
the drives are fully seated in
the SATA connectors.
6. Use one hand to
hold both drives down,
then flip over the inner
chassis. There are eight
screw holes on the bottom of the inner chassis,
as circled in red.
OWC MERCURY ELITE PRO DUAL MINI
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System Setup
7. Using a Phillips screwdriver,
insert the eight included
screws into the screw holes
to fasten the drives to the
inner chassis, as shown.
When this is done, flip the
inner chassis back over.
8. Slide the inner chassis back into the
outer enclosure. Note that the inner
chassis can slide in either end of the
outer chassis, but the rails on one end
of the outer chassis are notched, as
shown to the left. This allows the back
plate to sit flush when attached.
9.Using a Phillips screwdriver, attach the back plate as shown. The Mercury Elite Pro Dual
mini is now assembled and ready to be used.
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System Setup
2.3 RAID SETTINGS
!
WARNING: Changing the RAID mode will destroy the
data on the drives. Be sure to back up your data first! See
section 3.2 for information on proper backup strategies.
2.3.1 Changing the RAID Mode
!
The RAID mode on the Mercury Elite Pro Dual mini is controlled by a set of three DIP
(dual in-line package) switches located in a blue block inside the enclosure. Section
2.2, Assembly shows how to access the DIP switches.
The switches are labeled 1, 2, and 3, and the blue block has the word ‘ON’ at the top.
The ‘ON’ position for each switch is toward the word ‘ON’, while the ‘OFF’ position
for each switch is toward the numbers. The following chart shows the switch positions that correspond to each RAID mode. See Section 2.3.2, RAID Modes for more
information on each RAID mode that can be used.
MODE
SW#1
SW#2
SW#3
RAID 1
---
OFF
OFF
RAID 0
---
OFF
ON
SPAN
---
ON
OFF
2TB MODE
ON
---
---
2TB MODE — Switch #1 has no effect on the RAID mode. Instead, it controls the 2TB
volume limitation. When switch #1 is in the OFF position, the total capacity of the
drives is limited to a maximum of 2TB for compatiblity with older operating systems.
NOTE:
•If setting switch #1 to ON does not initially allow volume sizes to exceed 2TB, do the
following: keeping switch #1 in the ON position, change to a different RAID mode,
then turn on the Mercury Elite Pro Dual mini. Format the new RAID volume, then
shut off the Mercury Elite Pro Dual mini, change to the desired RAID mode, and turn
on the Mercury Elite Pro Dual mini.
•When 2TB mode is enabled, PowerPC Macs and Intel Macs introduced before 2008
cannot use the OWC Mercury Elite Pro Dual mini as a startup drive over the FireWire
connection. This is a limitation of these computers. Mac models introduced in 2008
and later are fully capable of using the OWC Mercury Elite Pro Dual mini as a startup
drive over FireWire, even with 2TB mode enabled. Note that this only affects FireWire
booting. All Intel Macs are still able to use the OWC Mercury Elite Pro Dual mini as a
startup drive over USB, regardless of whether 2TB mode is enabled.
OWC MERCURY ELITE PRO DUAL MINI
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System Setup
2.3.2 RAID Modes
Span Mode:
The drives show up as one large single volume. The total size will depend on the
drives installed; you can use drives of different capacities. A span is an array (not RAID)
in which the data is written sequentially across the drives. This combines the capacities of the drives, but it does not provide any performance or redundancy benefits.
RAID 0 “Drive Striping” Mode:
The drives show up as one large single volume with a size equal to the combined
capacities of both drives. RAID 0 is used when speed is the primary objective, but it
does not have any redundancy for protection. Data is alternated very quickly across
both drives to gain speed by distributing the workload. This allows for the fastest data
transfer rates, but if one drive fails, the whole array can become corrupted and data
will be lost. Always maintain a backup of your data!
RAID 1 “Drive Mirroring” Mode:
The drives show up as one volume with a size equal to the capacity of one of the two
drives used in the array. RAID 1 copies (or “mirrors”) a set of data from the first drive to
the second drive. This is useful when reliability and redundancy are more important
than capacity. When one drive fails, it can be replaced and the data will be rebuilt
automatically.
2.4 DRIVE FAILURE
In the event that one of the drives fails, the corresponding drive LED will turn solid red.
If the Mercury Elite Pro Dual mini was configured as a RAID 0 or span, the data on the
array is lost and the volume cannot be used. In a span, only the data stored on the failed
drive is lost, although data recovery software will be required to recover the data from
the other drive in the span.
If the drive was part of a RAID 1 array, then it can be replaced. In the meantime, the data
will remain accessible through the other drive in the RAID 1 array. If the Mercury Elite
Pro Dual mini was purchased with drives already installed and it is still under warranty,
see Section 3.4 for information on how to contact OWC technical support. If the unit is
outside its warranty or was purchased without drives, follow the instructions in Section
2.2 to access and replace the failed drive. After the failed drive is replaced, the RAID 1
array will be rebuilt automatically. This process may take several hours to a day, based on
the capacity of the drives. NOTE: The failed drive must be replaced with a drive that is
identical in model and capacity.
OWC MERCURY ELITE PRO DUAL MINI
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System Setup
APPENDIX
3.1 TROUBLESHOOTING
First, verify that both ends of your cable are properly plugged into the computer and
the Mercury Elite Pro Dual mini. After that, try connecting to another interface (USB or
FireWire). You can also connect the Mercury Elite Pro Dual mini to a different computer.
The USB connection does not provide as much power as FireWire. When connecting over
USB, an external power adapter is required. 12V power adapter is available at: http://
eshop.macsales.com/item/OWC/MEP2BAYM15/
If problems persist, our online collection of frequently asked questions is available at
www.macsales.com/FAQ, or see Section 3.4 for information on contacting OWC
technical support.
3.2 ABOUT DATA BACKUP
To ensure that your files are protected and to prevent data loss, we strongly suggest that
you keep two copies of your data: one copy on your Mercury Elite Pro Dual mini and a
second copy on either your computer’s internal drive or another storage medium, such
as an optical backup, or on another external storage unit. Any data loss or corruption
while using the Mercury Elite Pro Dual mini is the sole responsibility of the user, and
under no circumstances will Other World Computing be held liable for compensation or
the recovery of any lost data.
3.3 ONLINE RESOURCES
Formatting:
For formatting information, including instructions on how to format your Mercury
Elite Pro Dual mini for Mac or Windows, go to: www.macsales.com/format
Data Migration:
For a step-by-step walkthrough of our recommended method for migrating your
data from an old drive to a new one, go to: www.macsales.com/migration
FAQs:
Access our online collection of frequently asked questions at:
www.macsales.com/FAQ
3.4 TECHNICAL SUPPORT HOURS AND CONTACT INFORMATION
8AM - 8PM (CT) Monday - Friday
9AM - 4PM (CT) Saturday
Live Chat:
www.macsales.com/livechat
Telephone:
(800) 275-4576 (North America)
(815) 338-8685 (International)
Email:
www.macsales.com/ts_email
OWC MERCURY ELITE PRO DUAL MINI
9
APPENDIX
Changes:
The material in this document is for information only and subject to change without notice. While reasonable efforts
have been made in the preparation of this document to assure its accuracy, Other World Computing assumes no liability resulting from errors or omissions in this document, or from the use of the information contained herein. Other
World Computing reserves the right to make changes or revisions in the product design or the product manual without
reservation and without obligation to notify any person of such revisions and changes.
FCC Statement:
Warning! Modifications not authorized by the manufacturer may void the user’s authority to operate this device.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference with
radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which
case the user will be required to correct the interference at his own expense.
NOTE: 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 with 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 to an outlet on a circuit different from that to which the receiver is connected.
Health And Safety Precautions:
• Read this user guide carefully and follow the correct procedures when setting up the device.
• Do not attempt to disassemble or modify the device. To avoid any risk of electrical shock, fire, short-circuiting or dangerous emissions, never insert any metallic object into the device. If it appears to be malfunctioning, contact Other
World Computing technical support.
• Never expose your device to rain, or use it near water or in damp or wet conditions. Never place objects containing
liquids on the drive, as they may spill into its openings. Doing so increases the risk of electrical shock, short-circuiting,
fire or personal injury.
General Use Precautions:
• To avoid damage, do not expose the device to temperatures outside the range of 5° C to 40° C (41° F to 104° F).
• Always unplug the device from the electrical outlet if there is a risk of lightning or if it will be unused for an extended
period of time. Otherwise, there is an increased risk of electrical shock, short-circuiting or fire.
• Do not use the device near other electrical appliances such as televisions, radios or speakers. Doing so may cause
interference which will adversely affect the operation of the other products.
• Do not place the device near sources of magnetic interference, such as computer displays, televisions or speakers.
Magnetic interference can affect the operation and stability of hard drives.
• Do not place heavy objects on top of the device.
• Protect your device from excessive exposure to dust during use or storage. Dust can build up inside the device, increasing the risk of damage or malfunction.
• Do not block any ventilation openings on the device. These help to keep the device cool during operation. Blocking
the ventilation openings may cause damage to the device and cause an increased risk of short-circuiting or fire.
• For up-to-date product and warranty information, please visit the product webpage.
Copyrights and Trademarks:
© 2014 Other World Computing. All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise,
without the prior written consent of Other World Computing. Mercury Elite, OWC, the OWC logo and the Other World
Computing logo are trademarks of New Concepts Development Corporation, registered in the U.S. Patent and Trademark Office and in Canada. Apple, FireWire, Mac, and Macintosh are trademarks of Apple Inc., registered in the U.S. and
other countries. Intel and Pentium and are trademarks of Intel Corporation in the U.S. and/or other countries. Windows
is a registered trademark of Microsoft Corporation in the U.S. and other countries. Other marks may be the trademark or
registered trademark property of their owners.
®
R4 06/09/14 SL
OWCMANMEPMDU3FW
Copyright ©2014 Other World Computing, all rights reserved. Other World Computing’s
Limited Warranty is not transferable and subject to limitations.
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