ASROCK 1U12LX Series User manual

Version 1.0
Published August 2014
Copyright©2014 ASRockRack Inc. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRockRack Inc.
Products and corporate names appearing in this documentation 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.
Disclaimer:
Specications and information contained in this documentation are furnished
for informational use only and subject to change without notice, and should
not be constructed as a commitment by ASRockRack. ASRockRack assumes no
responsibility for any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRockRack does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRockRack, its directors, o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 data, interruption of business and the
like), even if ASRockRack has been advised of the possibility of such damages
arising from any defect or error in the documentation or product.
is device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRockRack’s Website: www.ASRockRack.com

Setting up the Server in a Restricted Access Location
•Access can only be gained by service persons or by users who have been instructed
about the reasons for the restrictions applied to the location and about any precautions
that shall be taken.
•Access is through the use of a tool or lock and key, or other means of security, and is
controlled by the authority responsible for the location.
•Leave enough clearance (25 inches in the front and 30 inches in the back of the rack) to
allow the front door to be opened completely and to allow for sucient airow.
•is product is for installation merely in a Restricted Access Location.
•is product is not suitable for use with visual display work place devices according to §2
of the the German Ordinance for Work with Visual Display Units.
Replaceable Batteries
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
Important Safety Instructions
Pay close attention to the following safety instructions before performing any of
the operation. Basic safety precautions should be followed to protect yourself from
harm and the product from damage:
•Operation of the product should be carried out by suitably trained, qualied, and
certied personnel only to avoid risk of injury from electrical shock or energy hazard.
•Disconnect the power cord from the wall outlet when installing or removing main
system components, such as the motherboard and power supply unit.
•Place the system on a stable and at surface.
•Use extreme caution when working with high-voltage components.
•When handling parts, use a grounded wrist strap designed to prevent static discharge.
•Keep the area around the system clean and clutter-free.
•Keep all components and printed circuit boards (PCBs) in their antistatic bags when
not in use.
•Handle a board by its edges only; do not touch its components, peripheral chips,
memory modules or contacts.

Contact Information
If you need to contact ASRockRack or want to know more about ASRockRack,
you’re welcome to visit ASRockRack’s website at www.ASRockRack.com; or you
may contact your dealer for further information.
ASRockRack Incorporation
6F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,
Taipei City 112, Taiwan (R.O.C.)

4
Contents
Chapter 1 Introduction 1
1.1 Shipping Box Contents 1
1.2 Specications 2
Chapter 2 Server System Overview 3
2.1 System Components 3
2.2 Cable Connections 4
2.3 System Front Panel 7
2.4 System Rear Panel 7
2.5 Front Control Panel Buttons and LEDs 8
Chapter 3 Hardware Installation and Maintenance 10
3.1 Server Top Cover 11
3.2 Hard Drive 13
3.3 Power Supply 19
3.4 Add-In Card 21
3.5 System Fan 23
3.6 Backplane 24
3.7 Server Board 25
3.8Chassis Cables 26
Chapter 4 Backplane Specications 30
Appendix A Installing the Server in a Rack 36

1U12LX Series
1
English
Chapter 1 Introduction
ank you for purchasing 1U12LX Series, a reliable barebone system produced
under ASRockRack’s consistently stringent quality control. It delivers excellent
performance with robust design conforming to ASRockRack’s commitment to
quality and endurance.
1.1 Shipping Box Contents
1. Because the hardware specications might be updated, the content of this documentation
will be subject to change without notice. In case any modications of this documentation
occur, the updated version will be available on ASRockRack’s website without further
notice. If you require technical support related to this product, please visit our website for
specic information about the model you are using.
ASRockRack’s Website: www.ASRockRack.com
2. e illustrations shown in this manual are examples only, the actual system may dier
slightly .
Item Quantity
1U12LX Series Barebone (1U form factor) 1
System Boards (MB)* 1
Power Supply Units* 2
System Fans* 4
HDD Backplane (BPB)* 3
Front Panel Board* 1
Power Distribution Boards (PDB)* 1
Chassis Cables* Note
User Manual 1
Accessory Box (including 1 optional fan) 1
Support CD 1
User Manual 1
Quick Installation Guide 1
4U Top Cover (Optional)** 1
Note: Type and quantity of the cables vary depending on the server board that comes with
your system.
* e components are pre-installed.
If any items are missing or appear damaged, contact your authorized dealer.

2
English
1.2 Specications
1U12LX Series
System Physical Status
Form Factor 1U Rackmount
Dimension
(D x W x H)
35" x 16.9" x 1.7" (889 x 430 x 43.5 mm)
Support MB Size Extend Mini ITX / Mini-ITX / uATX
Front Panel
Buttons 


LEDs 




I/O Ports 2 x USB 2.0 ports
Drive Bay
Internal 
System Cooling
Fan 4 x 40*56mm system fans
Power Supply
Capacity 2U, Redundant
Output Watts 550W Platinum*
Other
Support MB E3C224D4I-14S (Extend Mini-ITX, 8.4'' x 6.7'')
C2550D4I (Mini-ITX, 6.7'' x 6.7'')
C2750D4I (Mini-ITX, 6.7'' x 6.7'')
*Please be noted that the functions are supported depending on the type of the server board.

1U12LX Series
3
English
Chapter 2 Server System Overview
is chapter provides diagrams showing the location of important components of
the server system.
2.1 System Components
2 x Power Supply Units
12 x 3.5” HDD Carriers
2 x 2.5” HDD Carriers
4 x System Fans
Front Controls and Indicators
Top Cover
Server Board

4
English
2.2 Cable Connections
1
2
5
6 7 8 9
3
4
12 13 14 15
17 18 19 20
22 23 24 25
11
16
21
26
10

1U12LX Series
5
English
No. From To Cable*
12.5" HDD 1* SB / PSU Power supply cable
22.5" HDD 2* SB / PSU Power supply cable
3Server Board (SB) see Note see Note
4Power Supply Unit (PSU1) PDB N/A
5Power Supply Unit (PSU2) PDB N/A
6System Fan 4 SB Fan cable
7System Fan 3 SB Fan cable
8System Fan 2 SB Fan cable
9System Fan 1 SB Fan cable
10 Power Distribution Board (PDB) SB / PSU
BP 1~3
Power supply cables
BPB power cable
11 HDD Backplane 1 (BP1) SB
PDB
MiniSAS to SATA(MiniSAS) cable 1
BPB power cable
12 3.5" HDD 0 BP1 N/A
13 3.5" HDD 1 BP1 N/A
14 3.5" HDD 2 BP1 N/A
15 3.5" HDD 3 BP1 N/A
16 HDD Backplane 2 (BP2) SB
PDB
MiniSAS to SATA(MiniSAS) cable 2
BPB power cable
17 3.5" HDD 4 BP2 N/A
18 3.5" HDD 5 BP2 N/A
19 3.5" HDD 6 BP2 N/A
20 3.5" HDD 7 BP2 N/A
21 HDD Backplane 3 (BP3) SB
PDB
MiniSAS to SATA(MiniSAS) cable 3
BPB power cable
22 3.5" HDD 8 BP3 N/A
23 3.5" HDD 9 BP3 N/A
24 3.5" HDD 10 BP3 N/A
25 3.5" HDD 11 BP3 N/A
26 Front Panel Board (FPB) SB Front panel cable
USB cable
* Two 2.5” HDDs are not supported for C2550D4I/C2750D4I motherboard.
**Only supplied cables are mentioned in this table. e required cable may vary depending on the serverboard you use.