Asus RS720Q-E7/RS12 User manual

2U Rackmount Server
RS720Q-E7/RS12
RS724Q-E7/RS12
RS726Q-E7/RS12
User Guide

ii
Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced, transmitted,
transcribed, stored in a retrieval system, or translated into any language in any form or by any means,
except documentation kept by the purchaser for backup purposes, without the express written permission
of ASUSTeK COMPUTER INC. (“ASUS”).
ASUS provides this manual “as is” without warranty of any kind, either express or implied, including but not
limited to the implied warranties or conditions of merchantability or tness for a particular purpose. In no
event shall ASUS, its directors, ofcers, employees, or agents be liable for any indirect, special, incidental,
or consequential damages (including damages for loss of prots, loss of business, loss of use or data,
interruption of business and the like), even if ASUS has been advised of the possibility of such damages
arising from any defect or error in this manual or product.
Specications and information contained in this manual ae furnished for informational use only, and are
subject to change at any time without notice, and should not be construed as a commitment by ASUS.
ASUS assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual,
including the products and software described in it.
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation and to the
owners’ benet, without intent to infringe.
E7559
Revised Edition V2
September 2012

iii
Contents
Safety information ..................................................................................... vii
About this guide ....................................................................................... viii
Chapter 1: Product introduction
1.1 System package contents........................................................... 1-2
1.2 Serial number label...................................................................... 1-3
1.3 Systemspecications ................................................................. 1-4
1.4 Front panel features..................................................................... 1-6
1.5 Rear panel features...................................................................... 1-6
1.6 Internal features ........................................................................... 1-8
1.7 LED information ........................................................................... 1-9
1.7.1 Front panel LEDs ............................................................ 1-9
1.7.2 LAN (RJ-45) LEDs ........................................................ 1-10
1.7.3 HDD status LED............................................................ 1-10
Chapter 2: Hardware setup
2.1 Chassis cover............................................................................... 2-2
2.2 Central Processing Unit (CPU) ................................................... 2-4
2.2.1 Installing the CPU ........................................................... 2-4
2.2.2 Installing the CPU heatsink and airduct.......................... 2-9
2.3 System memory ......................................................................... 2-11
2.3.1 Overview........................................................................2-11
2.3.2 Memory Support List......................................................2-11
2.3.3 Memory Congurations................................................. 2-13
2.3.4 Installing a DIMM on a single clip DIMM socket ........... 2-14
2.4 Hard disk drives ......................................................................... 2-15
2.5 Expansion slot............................................................................ 2-17
2.5.1 Installing an expansion card to the riser card bracket... 2-17
2.5.2 Conguring an expansion card ..................................... 2-18
2.6 Cable connections ..................................................................... 2-19
2.7 Removable/optional components............................................. 2-20
2.7.1 System fans .................................................................. 2-20
2.7.2 Power supply module.................................................... 2-21
2.7.3 Installing ASMB6 series management board................ 2-23
2.7.4 Installing ASUS PIKE Riser Card (optional).................. 2-24

iv
Contents
Chapter 3: Installation options
3.1 Installing friction rail kit items .................................................... 3-2
3.1.1 Attaching the xing latches to the server ........................ 3-2
3.1.2 Mounting the server to the rack ...................................... 3-5
Chapter 4: Motherboard information
4.1 Motherboard layouts.................................................................... 4-2
4.2 Jumpers ........................................................................................ 4-6
4.3 Internal connectors.................................................................... 4-10
4.4 Internal LEDs.............................................................................. 4-19
Chapter 5: BIOS setup
5.1 Managing and updating your BIOS ............................................ 5-2
5.1.1 ASUS CrashFree BIOS 3 utility ...................................... 5-2
5.1.2 ASUS EZ Flash 2 Utility.................................................. 5-3
5.1.3 BUPDATER utility............................................................ 5-4
5.2 BIOS setup program .................................................................... 5-6
5.2.1 BIOS menu screen.......................................................... 5-7
5.2.2 Menu bar......................................................................... 5-7
5.2.3 Menu items ..................................................................... 5-8
5.2.4 Submenu items............................................................... 5-8
5.2.5 Navigation keys............................................................... 5-8
5.2.6 General help ................................................................... 5-8
5.2.7 Conguration elds ......................................................... 5-8
5.2.8 Pop-up window ............................................................... 5-8
5.2.9 Scroll bar......................................................................... 5-8
5.3 Main menu .................................................................................... 5-9
5.3.1 System Date ................................................................... 5-9
5.3.2 System Time ................................................................... 5-9
5.4 Advanced menu ......................................................................... 5-10
5.4.1 CPU Conguration........................................................ 5-10
5.4.2 CPU Power Management Conguration....................... 5-12
5.4.3 Chipset Conguration ................................................... 5-14
5.4.4 PCH SATA Conguration .............................................. 5-19
5.4.5 PCH SCU Conguration ............................................... 5-21
5.4.6 PCI Subsystem Settings ............................................... 5-21
5.4.7 Intel TXT(LT-SX) Conguration..................................... 5-24

v
Contents
5.4.8 USB Conguration ........................................................ 5-25
5.4.9 Trusted Computing........................................................ 5-26
5.4.10 ACPI Settings................................................................ 5-27
5.4.11 WHEA Conguration..................................................... 5-28
5.4.12 APM setting................................................................... 5-28
5.4.13 Onboard LAN Conguration.......................................... 5-29
5.4.14 Serial Port Console Redirection.................................... 5-30
5.4.15 ME Subsystem.............................................................. 5-33
5.4.16 Legacy Devices Conguration ...................................... 5-33
5.4.17 Runtime Error Logging.................................................. 5-34
5.5 Server Mgmt menu..................................................................... 5-35
5.5.1 System Event Log......................................................... 5-36
5.5.2 BMC network conguration........................................... 5-37
5.6 Event Logs menu ....................................................................... 5-38
5.6.1 Change Smbios Event Log Settings ............................. 5-38
5.7 Boot menu .................................................................................. 5-40
5.8 Monitor menu ............................................................................. 5-42
5.9 Security menu ............................................................................ 5-43
5.10 Tool menu ................................................................................... 5-44
5.11 Exit menu.................................................................................... 5-45
Chapter6: RAIDconguration
6.1 Setting up RAID............................................................................ 6-2
6.1.1 RAID denitions .............................................................. 6-2
6.1.2 Installing hard disk drives................................................ 6-3
6.1.3 Setting the RAID item in BIOS........................................ 6-3
6.1.4 RAID conguration utilities.............................................. 6-3
6.2 LSISoftwareRAIDCongurationUtility ................................... 6-4
6.2.1 Creating a RAID set........................................................ 6-5
6.2.2 Adding or viewing a RAID conguration ........................6-11
6.2.3 Initializing the virtual drives........................................... 6-12
6.2.4 Rebuilding failed drives................................................. 6-16
6.2.5 Checking the drives for data consistency ..................... 6-18
6.2.6 Deleting a RAID conguration....................................... 6-21
6.2.7 Selecting the boot drive from a RAID set...................... 6-22
6.2.8 Enabling WriteCache .................................................... 6-23

vi
Contents
6.3 Intel®Rapid Storage Technology enterprise SCU/SATA Option
ROM Utility.................................................................................. 6-24
6.3.1 Creating a RAID set...................................................... 6-26
6.3.2 Creating a Recovery set ............................................... 6-27
6.3.3 Deleting a RAID set ...................................................... 6-29
6.3.4 Resetting disks to Non-RAID ........................................ 6-30
6.3.5 Exiting the Intel®Rapid Storage Technology utility........ 6-31
6.3.6 Rebuilding the RAID ..................................................... 6-31
6.3.7 Setting the Boot array in the BIOS Setup Utility............ 6-33
6.4 Intel®Rapid Storage Technology enterprise Utility (Windows)6-34
6.4.1 Creating a RAID set...................................................... 6-35
6.4.2 Change Volume Type.................................................... 6-37
6.4.3 Delete volume............................................................... 6-38
6.4.4 Preferences................................................................... 6-39
Chapter 7: Driver installation
7.1 RAID driver installation ............................................................... 7-2
7.1.1 Creating a RAID driver disk ............................................ 7-2
7.1.2 Installing the RAID controller driver ................................ 7-5
7.2 Intel®Chipset Device Software installation ............................. 7-15
7.3 Intel@Network Connections Software installation.................. 7-17
7.4 VGA driver installation............................................................... 7-20
7.5 Intel®C600 Series Chipset SATA RAID Drivers ....................... 7-23
7.6 Intel®Rapid Storage Technology enterprise 3.0 installation . 7-24
7.7 Intel®PRO/1000 Gigabit Adapters Driver installation ............. 7-27
7.8 Management applications and utilities installation ................ 7-31
7.8.1 Running the support DVD ............................................. 7-31
7.8.2 Drivers menu................................................................. 7-31
7.8.3 Utilities menu ................................................................ 7-32
7.8.4 Make disk menu............................................................ 7-32
7.8.5 Contact information....................................................... 7-32
7.9 MellanoxConnectX-3Innibanddriverinstallation............... 7-33
Appendix: Reference information
Notices.......................................................................................................A-2
ASUS contact information .......................................................................A-4

vii
Safety information
Electrical Safety
• Before installing or removing signal cables, ensure that the power cables for the
system unit and all attached devices are unplugged.
• To prevent electrical shock hazard, disconnect the power cable from the electrical
outlet before relocating the system.
• When adding or removing any additional devices to or from the system, ensure
that the power cables for the devices are unplugged before the signal cables
are connected. If possible, disconnect all power cables from the existing system
before you add a device.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied
service technician or your dealer.
Operation Safety
• Any mechanical operation on this server must be conducted by certied or
experienced engineers.
• Before operating the server, carefully read all the manuals included with the server
package.
• Before using the server, ensure all cables are correctly connected and the power
cables are not damaged. If any damage is detected, contact your dealer as soon
as possible.
• To avoid short circuits, keep paper clips, screws, and staples away from
connectors, slots, sockets and circuitry.
• Avoid dust, humidity, and temperature extremes. Place the server on a stable
surface.
• If you encounter technical problems with the product, contact a qualied service
technician or your retailer.
Lithium-Ion Battery Warning
CAUTION! Danger of explosion if battery is incorrectly replaced. Replace
only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
CD-ROM Drive Safety Warning
CLASS 1 LASER PRODUCT
Heavy System
CAUTION! This server system is heavy. Ask for assistance when moving or
carrying the system.
This product is equipped with a three-wire power cable and plug for the user’s
safety. Use the power cable with a properly grounded electrical outlet to avoid
electrical shock.

viii
About this guide
Audience
This user guide is intended for system integrators, and experienced users with at
least basic knowledge of conguring a server.
Contents
This guide contains the following parts:
1. Chapter 1: Product Introduction
This chapter describes the general features of the server, including sections
on front panel and rear panel specications.
2. Chapter 2: Hardware setup
This chapter lists the hardware setup procedures that you have to perform
when installing or removing system components.
3. Chapter 3: Installation options
This chapter describes how to install optional components into the barebone
server.
4. Chapter 4: Motherboard information
This chapter gives information about the motherboard that comes with the
server. This chapter includes the motherboard layout, jumper settings, and
connector locations.
5. Chapter 5: BIOS setup
This chapter tells how to change system settings through the BIOS Setup
menus and describes the BIOS parameters.
6. Chapter6:RAIDconguration
This chapter tells how to change system settings through the BIOS Setup
menus. Detailed descriptions of the BIOS parameters are also provided.
7 Chapter 7: Driver installation
This chapter provides instructions for installing the necessary drivers for
different system components.

ix
References
Refer to the following sources for additional information, and for product and
software updates.
1. ASUS Server Web-based Management (ASWM) user guide
This manual tells how to set up and use the proprietary ASUS server
management utility.
2. ASUS websites
The ASUS websites worldwide provide updated information for all ASUS
hardware and software products. Refer to the ASUS contact information.
Conventions
To ensure that you perform certain tasks properly, take note of the following
symbols used throughout this manual.
Typography
Bold text Indicates a menu or an item to select.
Italics Used to emphasize a word or a phrase.
<Key> Keys enclosed in the less-than and greater-than
sign means that you must press the enclosed key.
Example: <Enter> means that you must press
the Enter or Return key.
<Key1+Key2+Key3> If you must press two or more keys simultaneously,
the key names are linked with a plus sign (+).
Example: <Ctrl+Alt+Del>
Command Means that you must type the command
exactly as shown, then supply the required
item or value enclosed in brackets.
Example: At the DOS prompt, type the
command line: format A:/S
DANGER/WARNING: Information to prevent injury to yourself when
trying to complete a task.
CAUTION: Information to prevent damage to the components when
trying to complete a task.
NOTE: Tips and additional information to help you complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.

x

1-
This chapter describes the general
features of the chassis kit. It includes
sections on front panel and rear panel
specications.
Chapter 1
Product introduction

Chapter 1: Product introduction1-2
If any of the above items is damaged or missing, contact your retailer.
1.1 System package contents
Check your system package for the following items.
Model Name RS720Q-E7/RS12; RS724Q-E7/RS12; RS726Q-E7/RS12
Chassis ASUS R21A 2U Rackmount Chassis
Motherboard ASUS Z9PH-D16 Server Board (RS720Q-E7/RS12)
ASUS Z9PH-D16/QDR Server Board (RS724Q-E7/RS12)
ASUS Z9PH-D16/FDR Server Board (RS726Q-E7/RS12)
Component 2 x 1620W Power Supply
4 x PCIe Riser Card (RE16R-R12B)
2 x Front I/O Board (LED Board, FPB-R21A)
2 x Power Supply Distribution Board (PDB-R21A)
1 x Power Connection Board (PSB-R21A)
4 x Backplane Board (BP3LX-R21A-M)
1 x Backplane Board (BP3LX-R21A-S)
1 x Midplane Board (MP8LX-R21A-M)
4 x Connection Board (CB-R21A)
4 x System Fans (80mm x 38mm)
12 x Hot-swappable 3.5” HDD trays*
Accessories 1 x RS72xQ-E7/RS12 User’s Guide
1 x ASWM Enterprise User’s Guide
1 x RS72xQ-E7/RS12 Support CD
1 x ASUS Web-based Management (ASWM) Enterprise Supplier CD
1 x ASMB6-iKVM Support DVD
1 x ASMB6-iKVM User Guide
8 x CPU Heatsinks*
1 x Mellanox driver disc (RS726Q-E7/RS12 and RS724Q-E7/RS12 only**)
1 x Bag of Screws
2 x AC Power Cables
1 x Friction Rail Kit
Optional Items 1 x PIKE Riser Card (RE16R-R12B-PIKE)
1 x ASUS PIKE RAID Card
* May vary with different regions or territory.
** The Mellanox driver is included in the motherboard support DVD or in an individual driver disc,
depending on the shipping sequence. This is subjected to change without notice.

ASUS RS720Q-E7/RS12, RS724Q-E7/RS12, RS726Q-E7/RS12 1-3
1.2 Serial number label
Before requesting support from the ASUS Technical Support team, you must
take note of the product’s serial number containing 14 characters such as
xxS0xxxxxxxxxx. See the gure below.
With the correct serial number of the product, ASUS Technical Support team
members can then offer a quicker and satisfying solution to your problems.
xxS0xxxxxxxxxx
RS720Q-E7/RS12

Chapter 1: Product introduction1-4
1.3 Systemspecications
The ASUS RS720Q-E7/RS12 is a 2U barebone server system featuring the
ASUS Z9PH-D16 server boards; the ASUS RS724Q-E7/RS12 is a 2U barebone
server system featuring the ASUS Z9PH-D16/QDR server boards and the ASUS
RS726Q-E7/RS12 is a 2U barebone server system featuring the ASUS Z9PH-D16/
FDR server boards. The server supports Intel® Socket-R LGA2011 Xeon®series
processors with EM64T technology, plus other latest technologies through the
chipsets onboard.
(continued on the next page)
Model Name RS726Q-E7/RS12 RS724Q-E7/RS12 RS720Q-E7/RS12
Processor / System Bus
2 x Socket-R LGA2011 per Node
8/6/4 Core Intel® Xeon E5-2600 Series (Up to TDP=115W)
QPI 6.4 / 7.2 / 8.0 GT/s
Core Logic
- Intel® C602-A
- Mellanox
ConnectX-3
FDR 56Gbps
controller
- Intel® C602-A
- Mellanox
ConnectX-3
QDR 40Gbps
controller
- Intel® C602-A
ASUS Features
Smart Fan √
ASWM
Enterprise √
Memory
Total Slots 16 per Node (4-channel per CPU, 8 DIMMs per CPU)
Capacity
Maximum up to 512GB (RDIMM)
Maximum up to 128GB (UDIMM)
Maximum up to 512GB (LRDIMM)
Memory Type
DDR3 800 / 1066 / 1333 / 1600 RDIMM
DDR3 1066 / 1333 ECC UDIMM
DDR3 1066 / 1333 LR-DIMM
Memory Size
2GB, 4GB, 8GB, 16GB and 32GB (RDIMM)
2GB, 4GB and 8GB (UDIMM)
8GB, 16GB, 32GB (LRDIMM)
Expansion Slots
Total PCI/PCI-X/
PCI-E Slots 1 per Node
Slot Type and
Additional Slot
1 x PCI-E 3.0 x16 slot (x16 link) (Low prole / HL) per Node or
1 x PIKE Riser Card Slot for Storage Enhancement (Optional)
Storage
SATA Controller
Intel® C602-A:
<AHCI>
2 x SATA 3Gb/s ports, 2 x SATA 6Gb/s ports
Intel® RSTe (for Windows only)
(Support software RAID 0, 1, 10 & 5)
LSI MegaRAID (for Linux / Windows)
(Support software RAID 0, 1 & 10)
<SCU>
4 x SATA 3Gb/s ports
Intel® RSTe (for Windows only)
(Supports software RAID 0, 1, 10 & 5 for all SATA ports)
SAS Controller
Optional kits(PIKE Riser card is necessary):
ASUS PIKE 2008 8-port SAS 6G RAID card
ASUS PIKE 2008/IMR 8-port SAS 6G RAID card
ASUS PIKE 2108 8-port SAS 6G HW RAID card

ASUS RS720Q-E7/RS12, RS724Q-E7/RS12, RS726Q-E7/RS12 1-5
*Specicationsaresubjecttochangewithoutnotice.
Model Name RS726Q-E7/RS12 RS724Q-E7/RS12 RS720Q-E7/RS12
HDD Bays
I = internal
A or S will
be hot-
swappable
3 x Hot-swap 3.5” HDD Bays per Node (Total 12 x 3.5” HDD in 2U)
Networking LAN
- 2 x Intel® 82574L +
1 x Mgmt LAN
per Node
- 1 x Single Port
Mellanox
ConnectX-3
FDR
InniteBand
with QSFP
interface per
Node
- 2 x Intel® 82574L +
1 x Mgmt LAN
per Node
- 1 x Single Port
Mellanox
ConnectX-3
QDR
InniteBand
with QSFP
interface per
Node
- 2 x Intel® 82574L +
1 x Mgmt LAN
per Node
Graphic VGA Aspeed AST2300 + 16MB VRAM
Onboard I/O
Per Node:
- 1 x External Serial
Port
- 3 x RJ-45 ports
(1 for ASMB6-iKVM)
- 2 x USB 2.0 ports
- 1 x VGA port
- 1 x Internal A Type
USB Port
- 1 x QSFP Port for
Inniband FDR
Per Node:
- 1 x External Serial
Port
- 3 x RJ-45 ports
(1 for ASMB6-iKVM)
- 2 x USB 2.0 ports
- 1 x VGA port
- 1 x Internal A Type
USB Port
- 1 x QSFP Port for
Inniband QDR
Per Node:
- 1 x External Serial
Port
- 3 x RJ-45 ports
(1 for ASMB6-iKVM)
- 2 x USB 2.0 ports
- 1 x VGA port
- 1 x Internal A Type
USB Port
OS Support
Windows® Server 2008 Enterprise 32 / 64-bit
Windows® Server 2003 R2 Enterprise 32 / 64-bit
RedHat® Enterprise Linux AS5.0 32 / 64-bit
SuSE® Linux Enterprise Server 10 32 / 64-bit
(Subject to change without any notice)
Management
Solution
Out of Band
Remote
Hardware
Default ASMB6-iKVM for KVM-over-IP support
Intel Node Management
Software ASUS ASWM Enterprise
Dimension (HH x WW x DD) 756mm x 444mm x 88mm (2U)
Net Weight Kg (CPU, DRAM
& HDD not inclu ded) 25 Kg
Power Supply 2 xed power for 100-140Vac, 50-60Hz, 12-9.5A
1+1 Redundant 1620W power for 180-240Vac, 50-60Hz, 9.6-7A
Power Rating
Input:
1000W: 100–120Vac, 12–10A, 50–60Hz, Class I
1200W: 120–140Vac, 12–10A, 50–60Hz, Class I
1620W: 180–240Vac, 10.5–8A, 50–60Hz, Class I
Environment
Operation temperature: 10°C–35°C
Non operation temperature: -40°C–70°C
Non operation humidity: 20%–90% ( Non-condensing)

Chapter 1: Product introduction1-6
1.4 Front panel features
The barebone server displays a simple yet stylish front panel with easily accessible
features. The power and reset buttons, LED indicators, optical drive, and two USB
ports are located on the front panel.
Refer to section 1.7.1 Front panel LEDs for the LED descriptions.
Front panel
Node 2
Node 1
Front panel
Node 4
Node 3
HDD 1 (Node 1)
HDD 2 (Node 1)
HDD 3 (Node 1)
HDD 1 (Node 2) HDD 1 (Node 3) HDD 1 (Node 4)
HDD 2 (Node 2)
HDD 3 (Node 2)
HDD 2 (Node 3)
HDD 3 (Node 3)
HDD 2 (Node 4)
HDD 3 (Node 4)
1.5 Rear panel features
PSU 1 Node 3 Node 1
Node 4 Node 2 PSU 2
When installing only two nodes, install the nodes to node slot number 1 and 3 or
number 2 and 4.

ASUS RS720Q-E7/RS12, RS724Q-E7/RS12, RS726Q-E7/RS12 1-7
VGA port
* This port is for ASUS ASMB6-iKVM controller card only.
USB ports
Serial port
LAN port 3*
LAN port 1
LAN port 2
RS720Q-E7/RS12
* This port is for ASUS ASMB6-iKVM controller card only.
** This port allows connection with a QSFP cable to an InniBand switch.
Inniband(MQSFP1)indications
Activity LED Link LED Description
Off Off No device
Orange Green Device plugged in; Ready
Orange
Blinking
Green Device plugged in; Data transmitting
LINK LEDACT LED
RS726Q-E7/RS12; RS724Q-E7/RS12
VGA port USB ports Serial port
LAN port 3*
LAN port 1
LAN port 2
InniBandport**

Chapter 1: Product introduction1-8
1.6 Internal features
The barebone server includes the basic components as shown.
The barebone server does not include a oppy disk drive. Connect a USB oppy
disk drive to any of the USB ports on the front or rear panel if you need to use a
oppy disk.
Turn off the system power and detach the power supply before removing or
replacing any system component.
*WARNING
HAZARDOUS MOVING PARTS
KEEP FINGERS AND OTHER BODY PARTS AWAY
1. Power supply and power fan
2. ASUS Z9PH-D16/FDR (for RS726Q-E7/RS12 use); ASUS Z9PH-D16/QDR
(for RS724Q-E7/RS12 use); Z9PH-D16 (for RS720Q-E7/RS12 use) Server
Boards
3. System fans
4. SATA/SAS backplane (hidden)
5. Hot-swap HDD trays (SAS and SATA)
6. Front LED Boards
1
6
35
62
4

ASUS RS720Q-E7/RS12, RS724Q-E7/RS12, RS726Q-E7/RS12 1-9
1.7 LED information
1.7.1 Front panel LEDs
LED Icon Display
status Description
Power LED ON System power ON
Message
LED
OFF System is normal; no incoming event
ON
1. Without ASMB6-iKVM installed: CPU over-heated
2. With ASMB6-iKVM installed: a hardware monitor event is
indicated
Location
LED
OFF Normal status
ON Location switch is pressed (Press the location switch again to
turn off)
LAN LEDs
OFF No LAN connection
Blinking LAN is transmitting or receiving data
ON LAN connection is present
Message LED LAN2 LED
LAN1 LED
Power switch and LED Location switch and LED
Message LED LAN2 LED
LAN1 LED
Power switch and LED Location switch and LED

Chapter 1: Product introduction1-10
1.7.3 HDD status LED
SATAII/SAS HDD LED Description
HDD Activity LED (Green)
OFF HDD not present
ON HDD present, no activity
Blinking 1. Read/write data from/into the SATAII/SAS HDD
2. Locating (blinking with the HDD status LED)
HDD Status LED (Red)
OFF HDD not present
ON HDD has failed and should be swapped immediately
Blinking 1. RAID rebuilding
2. Locating (blinking with the HDD activity LED)
1.7.2 LAN (RJ-45) LEDs
ACT/LINK LED SPEED LED
Status Description Status Description
OFF No link OFF 10 Mbps connection
GREEN Linked ORANGE 100 Mbps connection
BLINKING Data activity GREEN 1 Gbps connection
HDD Activity LED (Green)
HDD Status LED (Red)
SPEED LED
ACT/LINK LED
ACT/LINK LED
SPEED LED