The information in this User’s Manual has been carefully reviewed and is believed to be accurate.
The vendor assumes no responsibility for any inaccuracies that may be contained in this document,
makes no commitment to update or to keep current the information in this manual, or to notify any
person or organization of the updates. Please Note: For the most up-to-date version of this
manual, please see our web site at www.supermicro.com.
Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product
described in this manual at any time and without notice. This product, including software, if any,
and documentation may not, in whole or in part, be copied, photocopied, reproduced, translated or
reduced to any medium or machine without prior written consent.
IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO
USE THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. IN PARTICULAR, SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY
HARDWARE, SOFTW ARE, OR DA TA STORED OR USED WITH THE PRODUCT, INCLUDING THE
COSTS OF REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH
HARDWARE, SOFTWARE, OR DATA.
Any disputes arising between manufacturer and customer shall be governed by the laws of Santa
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be the exclusive venue for the resolution of any such disputes. Super Micro's total liability for
all claims will not exceed the price paid for the hardware product.
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 manufacturer’s
instruction manual, may cause interference with 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, you are 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 the receiver. Connect the equipment into an outlet on a circuit different from
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WARNING: Handling of lead solder materials used in this
product may expose you to lead, a chemical known to
the State of California to cause birth defects and other
reproductive harm.
Manual Revision 1.0
Release Date: February 15, 2008
Unless you request and receive written permission from Super Micro Computer, Inc., you may not
copy any part of this document.
Information in this document is subject to change without notice. Other products and companies
referred to herein are trademarks or registered trademarks of their respective companies or mark
holders.
This manual is written for professional system integrators and PC technicians. It
provides information for the installation and use of the SERIES3800/S120T (7045AC3/7045A-CT). Installation and maintenance should be performed by experienced
technicians only.
The SERIES3800/S120T (7045A-C3/7045A-CT) is a high-end server based
on the SC743TQ-865-SQ tower/4U rackmount chassis and the X7DCA-3/
X7DCA-i, a dual processor serverboard that supports dual Intel
5400/5300/5200/5100 series processors.
®
Xeon® LGA771
Preface
Manual Organization
Chapter 1: Introduction
The fi rst chapter provides a checklist of the main components included with
the server system and describes the main features of the X7DCA-3/X7DCA-i
serverboard and the SC743TQ-865-SQ chassis, which comprise the SERIES3800/
S120T (7045A-C3/7045A-CT).
Chapter 2: Server Installation
This chapter describes the steps necessary to setup the SERIES3800/S120T
(7045A-C3/7045A-CT) into a rack and check out the server confi guration prior to
powering up the system. If your server was ordered without processor and memory
components, this chapter will refer you to the appropriate sections of the manual
for their installation.
Chapter 3: System Interface
Refer here for details on the system interface, which includes the functions and
information provided by the control panel on the chassis as well as other LEDs
located throughout the system.
You should thoroughly familiarize yourself with this chapter for a general overview
of safety precautions that should be followed when installing and servicing the
SERIES3800/S120T (7045A-C3/7045A-CT).
Chapter 5: Advanced Serverboard Setup
Chapter 5 provides detailed information on the X7DCA-3/X7DCA-i serverboard,
including the locations and functions of connections, headers and jumpers. Refer
to this chapter when adding or removing processors or main memory and when
reconfi guring the serverboard.
Chapter 6: Advanced Chassis Setup
Refer to Chapter 6 for detailed information on the SC743TQ-865-SQ server chassis.
You should follow the procedures given in this chapter when installing, removing
or reconfi guring SAS/SATA or peripheral drives and when replacing system power
supply units and cooling fans.
Chapter 7: BIOS
The BIOS chapter includes an introduction to BIOS and provides detailed information on running the CMOS Setup Utility.
Appendix A BIOS POST Messages
Appendix B BIOS POST Codes
Appendix C Intel H ost RAI D Setu p Guide line s
Appendix D System Specifi cations
viii
Chapter 1: Introduction
Chapter 1
Introduction
1-1 Overview
The 7045A-C3/7045A-CT is a high-end workstation comprised of two main subsystems: the SC743TQ-865-SQ tower/4U server chassis and the X7DCA-3/X7DCA-i
dual Intel Xeon processor serverboard. Please refer to our web site for information
on operating systems that have been certifi ed for use with the SERIES3800/S120T
(7045A-C3/7045A-CT) (www.supermicro.com).
In addition to the serverboard and chassis, various hardware components have been
included with the SERIES3800/S120T (7045A-C3/7045A-CT), as listed below:
Two (2) 8-cm hot-swap PWM "SuperQuiet" chassis fans (FAN-0104L4)
One (1) 9-cm PWM "SuperQuiet" exhaust fan (FAN-0103L4)
Two (2) CPU heat sinks (SNK-P0034AP4)
One (1) 3.5" fl oppy drive (FPD-PNSC-01)
One (1) cable for DVD drive (CBL-0140L)
One (1) fl oppy cable (CBL-112L)
SAS Accessories (7045A-C3)
One (1) SAS backplane (CSE-SAS-743TQ) Two (2) SAS cables (CBL-0119L) Six (6) SATA hot-swap drive carriers [CSE-PT17(B)]
SATA Accessories (7045A-CT) One (1) SATA backplane (CSE-SAS-743TQ) Six (6) SATA cables (CBL-0061L) Two (2) SGPIO cables (CBL-0157L) Six (6) SATA hot-swap drive carriers [CSE-PT17(B)]
Optional:
One (1) 8-cm PWM fan (FAN-0104L) One (1) rackmount kit [CSE-PT26L-(B)]
At the heart of the SERIES3800/S120T (7045A-C3/7045A-CT) lies the X7DCA-3/
X7DCA-i, a dual processor serverboard based on the Intel 5100 chipset and
designed to provide maximum performance. Below are the main features of the
X7DCA-3/X7DCA-i. (See Figure 1-1 for a block diagram of the chipset).
Processors
The X7DCA-3/X7DCA-i supports single or dual LGA771 type Intel Xeon
5400/5300/5200/5100 Series processors at a FSB speed of 1333/1066 MHz. Please
refer to the serverboard description pages on our web site for a complete listing of
supported processors (www.supermicro.com).
Memory
The X7DCA-3/X7DCA-i has six 240-pin DIMM slots that can support up to 32 GB of
ECC DDR2-667/533 SDRAM. The memory operates in an interleaved confi guration
and requires requires modules of the same size and speed to be installed two at a
time. See Chapter 5 Section 5 for details.
Onboard SAS
An onboard LSI 1068 SAS controller is integrated into the X7DCA-3 (only), which
supports eight SAS hard drives. The SAS drives are connected to a backplane that
provides power, bus termination and confi guration settings. These SAS drives are
hot-swappable units and support RAID levels 0, 1, 10 and (with iButton) 5.
Note: The operating sy stem you us e must have R A ID supp or t to enab le the h otswap capability and RAID functi on of the SAS drives.
Serial ATA
A Serial ATA controller is integrated into the ICH9 (South Bridge) portion of the
chipset to provide a six-port 3 Gb/s SATA subsystem, which is RAID 0, 1, 10 and
5 supported. The SATA drives are hot-swappable units.
Note: The operating sy stem you us e must have R A ID supp or t to enab le the h otswap capability and RAID functi on of the SATA drives.
PCI Expansion Slots
The X7DCA-3/X7DCA -i has one PCI-Express x16 slot, one PCI-Express x4 (in
a x16 slot), two 64-bit 133/100 MHz PCI-X slots, two PCI 33 MHz slots and an
IPMI slot.
1-2
Chapter 1: Introduction
Onboard Controllers/Ports
One fl oppy drive connector and one onboard ATA/100 connector are provided to
support IDE hard drives or ATAPI devices. The color-coded rear I/O ports include
two COM ports, one parallel port, four USB 2.0 ports, PS/2 mouse and keyboard
ports, two gigabit Ethernet ports and HDA (High Defi nition Audio) ports.
Other Features
Other onboard features that promote system health include onboard voltage monitors, a chassis intrusion header, auto-switching voltage regulators, chassis and CPU
overheat sensors, virus protection and BIOS rescue.
1-3 Server Chassis Features
The SERIES3800/S120T (7045A-C3/7045A-CT) is a scaleable server platform designed with today's most state-of-the-art features. The following is a general outline
of the main features of the SC743TQ-865-SQ server chassis.
System Power
The 7045A-C3/7045A-CT features a single 865W power supply. This power supply
unit has been designed to operate at a low noise level to make it ideal for use in
a workstation environment.
SAS Subsystem
The SC743TQ-865-SQ chassis wa s designed to sup port ei ght SAS hard dri ves,
which are h ot-swa ppabl e units ( 7045 A- C3 o nly).
SATA Subsystem
The SC743TQ-865-SQ supports up to six 3 Gb/s Serial ATA drives. The SATA
drives are hot-swappable units and are connected to a backplane that provides
power and control.
Front Control Panel
The control panel on the SERIES3800/S120T (7045A-C3/7045A-CT) provides you
with system monitoring and control. LEDs indicate system power, HDD activity,
network activity, overheat conditions and power supply failure. A main power button
and a system reset button are also included.
Note: the power supply fail LED indicates the power supply fan has failed.
The SC743TQ-865-SQ is an ATX form factor chassis that can be used as a tower
or mounted in a 4U rackmount confi guration. The I/O backplane provides seven
expansion slots, two COM ports, a parallel port, four USB 2.0 ports, PS/2 mouse
and keyboard ports, two Gigabit Ethernet port(s) and 7.1 HDA ports.
Cooling System
The SC743TQ-865-SQ chassis has an innovative "Super Quiet" cooling design
that provides suffi cient cooling at very low noise level - ideal for a workplace envi-
ronment. The chassis includes two 8-cm hot-plug PWM (Pulse Width Modulation)
system cooling fans located in the middle of the chassis. The system cooling fans
fans work with an air shroud to cool the areas where the most heat is generated. A
9-cm PWM exhaust fan is also located at the rear of the chassis.
The power supply has two fans for redundancy; if one fan fails the other will incease
its rpm to compensate. This may cause the system to run louder than usual. See
details in Chapter 6.
1-4
Chapter 1: Introduction
Figure 1-1. Intel 5100 Chipset:
System Block Diagram
Note: This is a general block diagram. Please see Chapter 5 for details.
Tel: +886-(2) 8226-3990
Fax: +886-(2) 8226-3991
Web Site:www.supermicro.com.tw
Technical Support:
Email:support@supermicro.com.tw
Tel: 886-2-8228-1366, ext.132 or 139
1-6
Chapter 2: Server Installation
Chapter 2
Server Installation
2-1 Overview
This chapter provides a quick setup checklist to get your SERIES3800/S120T
(7045A-C3/7045A-CT) up and running. Following these steps in the order given
should enable you to have the system operational within a minimum amount of
time. This quick setup assumes that your system has come to you with the processors and memory preinstalled. If your system is not already fully integrated with a
serverboard, processors, system memory etc., please turn to the chapter or section
noted in each step for details on installing specifi c components.
The 7045A-C3/7045A-CT may be employed either as a tower or mounted in a
rack as a 4U rackmount chassis. If using it as a tower unit, please read the Server
Precautions in the next section and then skip ahead to Section 2-5.
2-2 Unpacking the System
You should inspect the box the system was shipped in and note if it was damaged
in any way. If the server itself shows damage you should fi le a damage claim with
the carrier who delivered it.
Decide on a suitable location for the SERIES3800/S120T (7045A-C3/7045A-CT).
It should be situated in a clean, dust-free area that is well ventilated. Avoid areas
where heat, electrical noise and electromagnetic fi elds are generated. You will also
need it placed near a grounded power outlet. Be sure to read the Rack and Server
Precautions in the next section.
2-3 Preparing for Setup
The box the system was shipped in may include two sets of rail assemblies, two
rail mounting brackets and mounting screws needed for installing the system into
a rack (optional kit). Follow the steps in the order given to complete the installation
process in a minimum amount of time. Please read this section in its entirety before
you begin the installation procedure outlined in the sections that follow.
2-1
SERIES3800/S120T(7045A-C3/7045A-CT) User's Manual
!
!
Choosing a Setup Location
Leave enough clearance in front of the rack to enable you to open the front door •
completely (~25 inches) and approximately 30 inches of clearance in the back
of the rack to allow for suffi cient airfl ow and ease in servicing.
•
This product is for installation only in a Restricted Access Location (dedicated
equipment rooms, service closets and the like).
This product is not suitable for use with visual display work place devices •
acccording to §2 of the the German Ordinance for Work with Visual Display
Units.
Warnings and Precautions!
Rack Precautions
Ensure that the leveling jacks on the bottom of the rack are fully extended to •
the fl oor with the full weight of the rack resting on them.
In single rack installation, stabilizers should be attached to the rack. In multiple •
rack installations, the racks should be coupled together.
Always make sure the rack is stable before extending a component from the •
rack.
You should extend only one component at a time - extending two or more si-•
multaneously may cause the rack to become unstable.
Server Precautions
Review the electrical and general safety precautions in Chapter 4.•
Determine the placement of each component in the rack • before you install the
rails.
Install the heaviest server components on the bottom of the rack fi rst, and then •
work up.
Use a regulating uninterruptible power supply (UPS) to protect the server from •
power surges, voltage spikes and to keep your system operating in case of a
power failure.
2-2
Chapter 2: Server Installation
Allow the hot plug SAS/SATA drives and power supply modules to cool before •
touching them.
Always keep the rack's front door and all panels and components on the servers •
closed when not servicing to maintain proper cooling.
Rack Mounting Considerations
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient operating temperature of the rack environment may be greater than the ambient temperature of the
room. Therefore, consideration should be given to installing the equipment in an
environment compatible with the manufacturer’s maximum rated ambient temperature (Tmra).
Reduced Airfl ow
Equipment should be mounted into a rack so that the amount of airfl ow required
for safe operation is not compromised.
Mechanical Loading
Equipment should be mounted into a rack so that a hazardous condition does not
arise due to uneven mechanical loading.
Circuit Overloading
Consideration should be given to the connection of the equipment to the power
supply circuitry and the effect that any possible overloading of circuits might have
on overcurrent protection and power supply wiring. Appropriate consideration of
equipment nameplate ratings should be used when addressing this concern.
Reliable Ground
A reliable ground must be maintained at all times. To ensure this, the rack itself
should be grounded. Particular attention should be given to power supply connections other than the direct connections to the branch circuit (i.e. the use of power
strips, etc.).
2-3
SERIES3800/S120T(7045A-C3/7045A-CT) User's Manual
Inner rail
Outer rail
Rail brackets
2-4 Installing the System into a Rack
This section provides information on installing the system into a rack unit. Rack
installation requires the use of the optional rackmount kit. If the system has already
been mounted into a rack or if you are using it as a tower, you can skip ahead to
Sections 2-5 and 2-6.
There are a variety of rack units on the market, which may mean the assembly
procedure will differ slightly. The following is a guideline for installing the server into
a rack with the rack rails provided in the rackmount kit. You should also refer to the
installation instructions that came with the rack unit you are using.
Identifying the Sections of the Rack Rails
The optional rackmount kit includes two rack rail assemblies. Each of these assemblies consist of three sections: an inner fi xed chassis rail that secures to the
chassis, an outer rack rail that secures directly to the rack itself and two rail brackets,
which also attack to the rack (see Figure 2-1.) The inner and outer rails must be
detached from each other to install.
To remove the inner chassis rail, pull it out as far as possible - you should hear a
"click" sound as a locking tab emerges from inside the rail assembly and locks the
inner rail. Depress the locking tab to pull the inner rail completely out. Do this for
both assemblies (one for each side).
Figure 2-1. Identifying the Sections of the Rack Rails
2-4
Chapter 2: Server Installation
Installing the Chassis Rails
You will need to remove the top cover and the feet to add rack rails to the chassis.
First, remove the top and right covers (top and left covers when standing as a tower
chassis) by fi rst removing the screws that secure them to the chassis. Depress the
button on the top (side if tower) of the chassis to release the cover and then pull
the cover off. Then unscrew the four feet and remove them from the chassis (see
Figure 2-2).
You can now attach rack rails to the top and bottom (now the sides) of the chassis.
First add the rack handles. Then position the inner chassis rail sections you just
removed along the side of the chassis making sure the screw holes line up. Note
that these two rails are left/right specifi c. Screw the rail securely to the side of the
chassis (see Figure 2-3). Repeat this procedure for the other rail on the other side
of the chassis. You will also need to attach the rail brackets when installing into a
telco rack.
Locking Tabs: As mentioned, the chassis rails have a locking tab, which serves
two functions. The fi rst is to lock the server into place when installed and pushed
fully into the rack, which is its normal position. Secondly, these tabs also lock the
server in place when fully extended from the rack. This prevents the server from
coming completely out of the rack when you pull it out for servicing.
Figure 2-2. Preparing to Install the Chassis Rails
2-5
SERIES3800/S120T(7045A-C3/7045A-CT) User's Manual
Figure 2-3. Installing the Rails to the Chassis
Installing the Rack Rails
Determine where you want to place the SERIES3800/S120T (7045A-C3/7045A-CT)
in the rack. (See Rack and Server Precautions in Section 2-3.) Position the fi xed
rack rail/sliding rail guide assemblies at the desired location in the rack, keeping
the sliding rail guide facing the inside of the rack. Screw the assembly securely to
the rack using the brackets provided. Attach the other assembly to the other side
of the rack, making sure both are at the exact same height and with the rail guides
facing inward.
2-6
Chapter 2: Server Installation
Installing the Server into the Rack
You should now have rails attached to both the chassis and the rack unit. The next
step is to install the server into the rack. You should have two brackets in the rack
mount kit. Install these fi rst keeping in mind that they are left/right specifi c (marked
with "L" and "R"). Then, line up the rear of the chassis rails with the front of the rack
rails. Slide the chassis rails into the rack rails, keeping the pressure even on both
sides (you may have to depress the locking tabs when inserting).
When the server has been pushed completely into the rack, you should hear the
locking tabs "click". Finish by inserting and tightening the thumbscrews that hold
the front of the server to the rack (see Figure 2-4).
Figure 2-4. Installing the Server into a Rack
2-7
SERIES3800/S120T(7045A-C3/7045A-CT) User's Manual
2-5 Checking the Serverboard Setup
After setting up the the system, you will need to open the unit to make sure the
serverboard is properly installed and all the connections have been made.
Accessing the Inside of the System
If rack mounted, fi rst release the retention screws that secure the unit to the 1.
rack. Then grasp the two handles on either side and pull the unit straight out
until it locks (you will hear a "click").
There are two screws that secure the cover to the chassis - remove these 2.
fi rst. Locate the latch on the top (side if tower) of the chassis - depress where
it says "push" then lift the latch to release the cover. You can then lift the
cover from the chassis to gain full access to the inside of the server. See
Figure 2-5.
Checking the Components and Setup
You may have one or two processors already installed into the serverboard. 1.
Each processor should have its own heatsink attached. See Chapter 5 for
instructions on processor installation.
Your server may have come with system memory already installed. Make 2.
sure all DIMMs are fully seated in their slots. For details on adding system
memory, refer to Chapter 5.
If desired, you can install add-on cards to the system. See Chapter 5 for 3.
details on installing PCI add-on cards.
Make sure all power and data cables are properly connected and not blocking 4.
the chassis airfl ow. See Chapter 5 for details on cable connections.
2-8
Chapter 2: Server Installation
Figure 2-5. Accessing the Inside of the System
(Rack Confi guration shown)
2-6 Checking the Drive Bay Setup
Next, you should check to make sure the peripheral drives and the SAS/SATA
drives and backplane have been properly installed and all connections have been
made.
Checking the Drives
All drives can be accessed from the front of the server. For servicing the CD-1.
ROM, IDE hard drives and fl oppy drives, you will need to remove the top/left
chassis cover. The SAS/SATA disk drives can be installed and removed from
the front of the chassis without removing any chassis covers.
To install components into the 5.25" drive bays, you must fi rst remove the 2.
top/left chassis cover as described in the previous section. Refer to Chapter 6
for details.
Refer to Chapter 6 if you need to reinstall a CD-ROM and/or fl oppy disk drive 3.
to the system.
2-9
SERIES3800/S120T(7045A-C3/7045A-CT) User's Manual
Depending upon your system's confi guration, your system may have one or 4.
more drives already installed. If you need to install SAS/SATA drives, please
refer to Chapter 6.
Checking the Airfl ow
Airfl ow is provided by four hot-swap 8-cm chassis fans working in conjunction 1.
with an air shroud. One 9-cm exhaust fan is also mounted at the rear of the
chassis. The system component layout was carefully designed to promote
suffi cient airfl ow through the chassis.
Note that all power and data cables have been routed in such a way that they 2.
do not block the airfl ow generated by the fans. Keep this in mind when you
reroute them after working on the system.
Providing Power
Plug the power cords from the power supplies unit into a high-quality power 1.
strip that offers protection from electrical noise and power surges. It is recommended that you use an uninterruptible power supply (UPS).
Depress the power on button on the front of the chassis.2.
2-10
Chapter 3: System Interface
Chapter 3
System Interface
3-1 Overview
The control panel on the 7045A-C3/7045A-CT has several LEDs and two buttons.
There are also two LEDs on each SAS/SATA drive carrier. These LEDs keep you
constantly informed of the overall status of the system and the activity and health
of specifi c components.
3-2 Control Panel Buttons
There are two push-buttons located on the front of the chassis: a power on/off
button and a reset button.
Power
This is the main power button, which is used to apply or turn off the main system
power. T urning of f system power with this button removes the main power but keeps
standby power supplied to the system.
The control panel located on the front of the SC743TQ-865-SQ chassis has six LEDs
that provide you with critical information related to different parts of the system.
This section explains what each LED indicates when illuminated and any corrective
action you may need to take.
Power
Indicates power is being supplied to the system's power supply. This LED should
normally be on when the system is operating.
HDD
Indicates IDE channel activity. On the 7045A-C3/7045A-CT, this LED indicates
SAS/SATA drive activity when fl ashing.
1
NIC1
Indicates network activity on LAN1 when fl ashing.
2
NIC2
Indicates network activity on LAN2 when fl ashing.
Overheat/Fan Fail
When this LED fl ashes, it indicates a chassis fan failure. When on continuously it
indicates an overheat condition, which may be caused by cables obstructing the
3-2
Chapter 3: System Interface
airfl ow in the system or the ambient room temperature being too warm. Check the
routing of the cables and make sure all fans are present and operating normally.
You should also check to make sure that the chassis covers are installed. Finally,
verify that the heatsinks are installed properly (see Chapter 5). This LED will remain
fl ashing or on as long as the indicated condition exists.
Power Fail
Indicates a power supply fan has failed. The power supply module has a redundant
backup fan that will increase its rpm to compensate, but the power module should
be replaced as soon as it's convenient.
3-4 Drive Carrier LEDs
Note: the LEDs of some drive carriers may not function depending on the number
of drives that are supported by the motherboard and/or backplane.
SAS Drives
Green:• When illuminated, the green LED on the front of the SAS drive carrier
indicates drive activity. A connection to the SAS backplane enables this LED to
blink on and off when that particular drive is being accessed.
Red:• The SES2 backplane activates the red LED to indicate a drive failure.
If one of the SAS drives fail, you should be notifi ed by your system manage-
ment software. Please refer to Chapter 6 for instructions on replacing failed
SAS drives.
SATA Drives
Green:• Each SATA drive car rier has a green LED. When illuminated, this
green LED (on the f ront of the SATA drive carrier) in dicates drive ac tivity. A
connec tio n to the SATA backplane ena bles t his LED to b link on an d of f when
that particular drive is being accessed. Please refer to Chapter 6 for instructions
on replacing failed SATA drives.
Red:• The red LED to indicate an SATA drive failure. If one of the SATA drives
fail, you should be notifi ed by your system management software. Please refer
to Chapter 6 for instructions on replacing failed SATA drives.
Basic electrical safety precautions should be followed to protect yourself from
harm and the SERIES3800/S120T (7045A-C3/7045A-CT) from damage:
Be aware of the locations of the power on/off switch on the chassis as well •
as the room's emergency power-off switch, disconnection switch or electrical
outlet. If an electrical accident occurs, you can then quickly remove power from
the system.
Do not work alone when working with high voltage components.•
Power should always be disconnected from the system when removing or in-•
stalling main system components, such as the serverboard, memory modules
and the CD-ROM and fl oppy drives. When disconnecting power, you should fi rst
power down the system with the operating system and then unplug the power
cords of all the power supply units in the system.
When working around exposed electrical circuits, another person who is familiar •
with the power-off controls should be nearby to switch off the power if necessary.
Use only one hand when working with powered-on electrical equipment. This •
is to avoid making a complete circuit, which will cause electrical shock. Use
extreme caution when using metal tools, which can easily damage any electrical
components or circuit boards they come into contact with.
Do not use mats designed to decrease electrostatic discharge as protection from •
electrical shock. Instead, use rubber mats that have been specifi cally designed
as electrical insulators.
The power supply power cord must include a grounding plug and must be •
plugged into grounded electrical outlets.
Serverboard Battery: • CAUTION - There is a danger of explosion if the onboard
battery is installed upside down, which will reverse its polarities (see Figure
4-1). This battery must be replaced only with the same or an equivalent type
recommended by the manufacturer. Dispose of used batteries according to the
manufacturer's instructions.
• CAUTION - this server may have come equipped with a CD-
CD-ROM Laser:
ROM drive. To prevent direct exposure to the laser beam and hazardous radiation exposure, do not open the enclosure or use the unit in any unconventional
way.
Mainboard replaceable soldered-in fuses: Self-resetting PTC (Positive T empera-•
ture Coeffi cient) fuses on the mainboard must be replaced by trained service
technicians only. The new fuse must be the same or equivalent as the one
replaced. Contact technical support for details and support.
4-2 General Safety Precautions
Follow these rules to ensure general safety:
Keep the area around the SERIES3800/S120T (7045A-C3/7045A-CT) clean •
and free of clutter.
The 7045A-C3/7045A-CT weighs approximately 64 lbs (29.1 kg.) when fully •
loaded. When lifting the system, two people at either end should lift slowly with
their feet spread out to distribute the weight. Always keep your back straight
and lift with your legs. Don't use the handles (if installed) to lift the chassis; the
handles should only be used to pull the server out of the rack.
Place the chassis top cover and any system components that have been re-•
moved away from the system or on a table so that they won't accidentally be
stepped on.
While working on the system, do not wear loose clothing such as neckties and •
unbuttoned shirt sleeves, which can come into contact with electrical circuits or
be pulled into a cooling fan.
Remove any jewelry or metal objects from your body, which are excellent metal •
conductors that can create short circuits and harm you if they come into contact
with printed circuit boards or areas where power is present.
4-2
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