®
SUPER
SC827 Chassis Series
!
!
!
!
SC827H-R1200B
SC827T-R1200B
SC827H-R1400B
SC827T-R1400B
USER’S MANUAL
1.0
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Preface
Preface
About This Manual
This manual is written for professional system integrators and PC technicians. It
provides information for the installation and use of the SC827 2U chassis. Installa-
tion and maintenance should be performed by experienced technicians only.
Supermicro’s SC827 2U chassis features a unique and highly-optimized design
for multi-note dual processor platforms. The chassis is equipped with 1200W or
1400W Gold Level, high-efficiency power supply for superb power savings. High-
performance fans provide ample optimized cooling for the four motherboard nodes
and the twelve hot-swappable hard drives offer maximum storage capacity in a 2U
form factor.
This document lists compatible parts available when this document was published.
Always refer to the our Web site for updates on supported parts and configura-
tions.
iii
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SC827 Chassis Manual
Manual Organization
Chapter 1 Introduction
The first chapter provides a checklist of the main components included with this
chassis, and describes the main features of the SC827 chassis. This chapter also
includes contact information.
Chapter 2 System Safety
This chapter lists warnings, precautions, and system safety. You should thoroughly
familiarize yourself with this chapter for a general overview of safety precautions
that should be followed before installing and servicing this chassis.
Chapter 3 Chassis Components
Refer here for details on this chassis model including the fans, bays, airflow shields,
and other components.
Chapter 4 System Interface
Refer to this chapter 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.
Chapter 5 Chassis Setup and Maintenance
Follow the procedures given in this chapter when installing or removing components,
or reconfiguring your chassis.
Chapter 6 Rack Installation
Refer to this chapter for detailed information on chassis rack installation. You should
follow the procedures given in this chapter when installing, removing or reconfiguring
your chassis into a rack environment.
iv
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Preface
Compatible Backplanes
This section lists compatible cables, power supply specifications, and compatible
backplanes. Not all compatible backplanes are listed. Refer to our Web site for the
latest compatible backplane information.
Appendix A Chassis Cables
Appendix B Power Supply Specifications
Appendix C SAS-827T Backplane Specifications
Appendix D SAS-827B Backplane Specifications
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SC827 Chassis Manual
Table of Contents
Preface
About This Manual.............................................................................................iii
Manual Organization..........................................................................................iv
Chapter 1 Introduction
1-1
1-2
Overview ......................................................................................................... 1-1
Shipping List.................................................................................................... 1-1
Part Numbers.................................................................................................. 1-1
Contacting Supermicro.................................................................................... 1-2
Returning Merchandise for Service................................................................. 1-3
1-3
1-4
Chapter 2 System Safety
2-1
2-2
2-3
2-4
2-5
2-6
Overview ......................................................................................................... 2-1
Warnings and Precautions.............................................................................. 2-1
Preparing for Setup......................................................................................... 2-1
Electrical Safety Precautions .......................................................................... 2-1
General Safety Precautions............................................................................ 2-3
System Safety................................................................................................. 2-3
Chapter 3 Chassis Components
3-1
3-2
3-3
Overview ......................................................................................................... 3-1
Components.................................................................................................... 3-1
Where to get Replacement Components........................................................ 3-2
Chapter 4 System Interface
4-1
4-2
4-3
4-4
Overview ......................................................................................................... 4-1
Control Panel Buttons..................................................................................... 4-2
Control Panel LEDs ........................................................................................ 4-2
Drive Carrier LEDs.......................................................................................... 4-3
Chapter 5 Chassis Setup and Maintenance
5-1
5-2
5-3
5-4
Overview ......................................................................................................... 5-1
Chassis Cover................................................................................................. 5-2
Installing and Removing Hard Drives ............................................................. 5-3
Removing and Installing the Backplane.......................................................... 5-7
Removing the Backplane................................................................................ 5-7
Installing the Backplane.................................................................................. 5-9
Installing the Motherboard ............................................................................ 5-10
Compatible Motherboards............................................................................. 5-10
Permanent and Optional Standoffs............................................................... 5-10
Installing and Replacing Adapter Cards........................................................ 5-13
5-5
5-6
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Preface
Add-on Card/Expansion Slot Setup.............................................................. 5-14
Installing the Riser Card ............................................................................... 5-15
Installing the Air Shrouds.............................................................................. 5-17
Air Shrouds ................................................................................................... 5-17
Checking the Airflow ..................................................................................... 5-18
Installation Complete..................................................................................... 5-18
System Fans ................................................................................................. 5-19
Optional Fan Configurations ......................................................................... 5-19
5-7
5-8
5-9
5-10 Power Supply ............................................................................................... 5-21
Power Supply Replacement.......................................................................... 5-21
Chapter 6 Rack Installation
6-1
6-2
6-3
Overview ......................................................................................................... 6-1
Unpacking the System.................................................................................... 6-1
Preparing for Setup......................................................................................... 6-1
Choosing a Setup Location............................................................................. 6-1
Warnings and Precautions.............................................................................. 6-2
Rack Precautions............................................................................................ 6-2
General Server Precautions............................................................................ 6-2
Rack Mounting Considerations....................................................................... 6-3
Ambient Operating Temperature..................................................................... 6-3
Reduced Airflow .............................................................................................. 6-3
Mechanical Loading ........................................................................................ 6-3
Circuit Overloading.......................................................................................... 6-3
Reliable Ground .............................................................................................. 6-3
Rack Mounting Instructions............................................................................. 6-4
Identifying the Sections of the Rack Rails...................................................... 6-4
Locking Tabs ................................................................................................... 6-5
Releasing the Inner Rail ................................................................................. 6-5
Installing The Inner Rails on the Chassis....................................................... 6-6
Installing the Outer Rails on the Rack............................................................ 6-7
Standard Chassis Installation ......................................................................... 6-8
Optional Quick Installation Method................................................................. 6-9
6-4
6-5
6-6
Appendix A Cables, Screws, and other Accessories
Appendix B SC827 Power Supply Specifications
Appendix C SAS-827T Safety Guidelines
Appendix D SAS-827B Backplane Specifications
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SC827 Chassis Manual
Notes
viii
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Chapter 1: Introduction
Chapter 1
Introduction
1-1 Overview
Supermicro's SC827 (2U Twin2) chassis is designed to optimize performance per
Watt and per dollar with four independent hot-pluggable DP computing nodes ef-
ficiently organized into a 2U form factor. Each node provides three 3.5" hard drives
for RAID 5 data protection, and is contained in a convenient module to facilitate easy
system upgrades, installation and maintenance. The SC827 chassis is equipped
with high-efficiency optional 1 + 1 Gold Level redundant power supplies (93%),
power-efficient server board and optimized cooling subsystems. The 2U Twin2 is the
best choice for HPC, datacenter and cost-effective blade-type applications.
1-2 Shipping List
Part Numbers
Please visit the following link for the latest shiping lists and part numbers for your par-
SC827 Chassis
MB Node
Hot-Swap
Feature
Power
Supply
Model
CPU
HDD
I/O Slots
1200W Re-
dundant
SC827T-R1200W
SC827H-R1200W
SC827T-R1400W
SC827H-R1400W
No
Yes
No
Dual CPU
Dual CPU
Dual CPU
Dual CPU
12x SAS/SATA
12x SAS/SATA
12x SAS/SATA
12x SAS/SATA
4x LP
4x LP
4x LP
4x LP
1200W Re-
dundant
1400W Re-
dundant
1400W Re-
dundant
Yes
1-1
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SC827 Chassis Manual
1-3 Contacting Supermicro
Headquarters
Address:
Super Micro Computer, Inc.
980 Rock Ave.
San Jose, CA 95131 U.S.A.
Tel:
+1 (408) 503-8000
Fax:
Email:
+1 (408) 503-8008
[email protected] (General Information)
Web Site:
Europe
Address:
Super Micro Computer B.V.
Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands
Tel:
+31 (0) 73-6400390
Fax:
Email:
+31 (0) 73-6416525
[email protected] (General Information)
[email protected] (Customer Support)
Asia-Pacific
Address:
Super Micro Computer, Inc.
4F, No. 232-1, Liancheng Rd.
Chung-Ho 235, Taipei County
Taiwan, R.O.C.
Tel:
+886-(2) 8226-3990
+886-(2) 8226-3991
Fax:
Web Site:
Technical Support:
Email:
Tel:
886-2-8226-1900
1-2
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Chapter 1: Introduction
1-4 Returning Merchandise for Service
A receipt or copy of your invoice marked with the date of purchase is required be-
fore any warranty service will be rendered. You can obtain service by calling your
vendor for a Returned Merchandise Authorization (RMA) number. When returning
to the manufacturer, the RMA number should be prominently displayed on the
outside of the shipping carton, and mailed prepaid or hand-carried. Shipping and
handling charges will be applied for all orders that must be mailed when service
is complete.
supermicro.com/support/rma/).
Whenever possible, repack the chassis in the original Supermicro carton, using the
original packaging material. If these are no longer available, be sure to pack the
chassis securely, using packaging material to surround the chassis so that it does
not shift within the carton and become damaged during shipping.
This warranty only covers normal consumer use and does not cover damages in-
curred in shipping or from failure due to the alteration, misuse, abuse or improper
maintenance of products.
During the warranty period, contact your distributor first for any product problems.
1-3
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SC827 Chassis Manual
Notes
1-4
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Chapter 2: System Safety
Chapter 2
System Safety
2-1 Overview
This chapter provides a quick setup checklist to get your chassis up and running.
Following the steps in order given should enable you to have your chassis setup and
operational within a minimal amount of time. This quick set up assumes that you are
an experienced technician, famailiar with common concepts and terminology.
2-2 Warnings and Precautions
You should inspect the box the chassis was shipped in and note if it was damaged
in any way. If the chassis itself shows damage, file a damage claim with carrier
who delivered your system.
Decide on a suitable location for the rack unit that will hold that chassis. It should
be situated in a clean, dust-free area that is well venilated. Avoid areas where heat,
electrical noise and eletromagnetic fields are generated.
You will also need it placed near at least one grounded power outlet. When config-
ured, the SC827 chassis includes one power supply.
2-3 Preparing for Setup
The SC827 chassis includes a set of rail assemblies, including mounting brackets
and mounting screws you will need to install the systems into the rack. Please read
this manual in its entirety before you begin the installation procedure.
2-4 Electrical Safety Precautions
Basic electrical safety precautions should be followed to protect yourself from harm
and the SC827 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.
2-1
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SC827 Chassis Manual
•
•
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 DVD-ROM and floppy drives (not necessary for hot swappable drives).
When disconnecting power, you should first power down the system with the
operating system and then unplug the power cords from all the power supply
modules in the system.
•
•
When working around exposed electrical circuits, another person who is fa-
miliar 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 specifically 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 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.
•
DVD-ROM laser: CAUTION - this server may have come equipped with a
DVD-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 uncon-
ventional way.
2-2
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Chapter 2: System Safety
2-5 General Safety Precautions
•
•
Keep the area around the chassis clean and free of clutter.
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.
After accessing the inside of the system, close the system back up and secure
it to the rack unit with the retention screws after ensuring that all connections
have been made.
2-6 System Safety
Electrostatic discharge (ESD) is generated by two objects with different electrical
charges coming into contact with each other. An electrical discharge is created to
neutralize this difference, which can damage electronic components and printed
circuit boards. The following measures are generally sufficient to neutralize this
difference before contact is made to protect your equipment from ESD:
•
Do not use mats designed to decrease electrostatic discharge as protection from
electrical shock. Instead, use rubber mats that have been specifically designed
as electrical insulators.
•
•
Use a grounded wrist strap designed to prevent static discharge.
Keep all components and printed circuit boards (PCBs) in their antistatic bags
until ready for use.
•
•
Touch a grounded metal object before removing any board from its antistatic
bag.
Do not let components or PCBs come into contact with your clothing, which may
retain a charge even if you are wearing a wrist strap.
2-3
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SC827 Chassis Manual
•
Handle a board by its edges only; do not touch its components, peripheral chips,
memory modules or contacts.
•
•
When handling chips or modules, avoid touching their pins.
Put the serverboard and peripherals back into their antistatic bags when not
in use.
•
For grounding purposes, make sure your computer chassis provides excellent
conductivity between the power supply, the case, the mounting fasteners and
the serverboard.
2-4
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Chapter 3: Chassis Components
Chapter 3
Chassis Components
3-1 Overview
This chapter describes the most common components included with your chassis.
Some components listed may not be included or compatible with your particular
chassis model. For more information, see the installation instructions detailed later
in this manual.
3-2 Components
Chassis
The SC827 chassis includes twelve hot-swappable hard drive bays. For more
Backplane
Each SC827 chassis comes equipped with either a SAS-827B or SAS-827T back-
plane. For more information regarding compatible backplanes, view the appendices
found at the end of this manual.
Fans
The SC827 chassis accepts four system fans. System fans for the SC827 chassis
are powered from the motherboards or the HDD backplane. On SC827H model
chassis, the two fans on each side are controlled by two motherboards, so that
when one of the motherboard nodes is removed, the second motherboard will
continue to control both fans. In the SC827T chassis, each fan is controlled by one
motherboard, so if a motherboard drawer is removed, the fan associated with that
motherboard will not continue to operate.
Mounting Rails
The SC827 includes a set of quick-release rails, and can be placed in a rack for
secure storage and use. To setup your rack, follow the step-by-step instructions
included in this manual.
3-1
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SC827 Chassis Manual
Power Supply
Each SC827 chassis model includes a high-efficiency 80 Plus Gold Level power
supply, rated at 1200 or 1400 Watts. In the unlikely event your power supply fails,
replacement is simple and can be accomplished without tools.
Air Shroud
The SC827 chassis requires mylar air shrouds for each node to direct the airflow
where cooling is needed. The air shroud will differ for different motherboards. If using
a motherboard which is not the default in the chassis, refer to the optional parts in
to puchase the proper air shroud.
3-3 Where to get Replacement Components
Although not frequently, you may need replacement parts for your system. To
ensure the highest level of professional service and technical support, we strongly
recommend purchasing exclusively from our Supermicro Authorized Distributors /
System Integrators / Resellers. A list of Supermicro Authorized Distributors / System
to Buy link.
3-2
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Chapter 4: System Interface
Chapter 4
System Interface
4-1 Overview
There are several LEDs on the control panel and on the drive carriers to keep you
constantly informed of the overall status of the system. SC827 models include four
control panels on the handles of the chassis which control each of the systems.
This chapter explains the meanings of all LED indicators and the appropriate re-
sponse you may need to take.
!
!
!
!
!
Figure 4-1: Chassis Control Panel
4-1
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SC827 Chassis Manual
4-2 Control Panel Buttons
•
Power: The main power button on each of the four control panels is
used to apply or remove power from the power supply to each of the
four systems in the chassis. Turning off system power with this but-
ton removes the main power, but keeps standby power supplied to the
system. Therefore, you must unplug system before servicing. The poer
button has a built-in LED which will turn green when the power is on.
•
UID: When used with a UID compatible motherboard, the UID button is used
to turn on or off the blue light function of the LED. This is built into the front
side of the UID button and at the rear end of each motherboard node, for those
motherboards which support it. Once the blue light is activated, the unit can be
easily located in very large racks and server banks.
4-3 Control Panel LEDs
The four control panels are located on the front handle of the SC827 chassis. Each
control panel has two additional LEDs. These LEDs provide you with critical informa-
tion 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.
!
•
Alert: This LED is illuminated when an alert condition occurs.
A solid red light indicates an overheat condition in the system.
A flashing red light which flashes in one second intervals indicates a fan
failure.
A flashing red light which flashes in four second interfals indicates a power
failure. When notified of an alert, 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 and air shrouds are installed. Finally, veri-
fy that the heatsinks are installed properly. This LED will remain flashing or on
4-2
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Chapter 4: System Interface
as long as the temperature is too high or a fan does not function properly.
•
NIC: Indicates network activity on either LAN1 or LAN2 when flashing
.
4-4 Drive Carrier LEDs
The SC827 chassis uses SAS/SATA drives.
SAS/SATA Drives
Each SAS/SATA drive carrier has two LEDs.
•
•
Blue: Each Serial ATA drive carrier has a blue LED. When illuminated, this blue
LED (on the front of the SATA drive carrier) indicates drive activity. A connection
to the SATA backplane enables this LED to blink on and off when that particular
drive is being accessed.
Red: The red LED to indicate an SAS/SATA drive failure. If one of the SAS/SATA
drives fail, you should be notified by your system management software.
SCSI Drives
This chassis does not support SCSI drives at this time.
4-3
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SC827 Chassis Manual
Notes
4-4
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Chapter 5: Chassis Setup and Maintenance
Chapter 5
Chassis Setup and Maintenance
5-1 Overview
This chapter covers the steps required to install components and perform mainte-
nance on the chassis. The only tool you will need to install components and perform
maintenance is a Phillips screwdriver.
•
•
•
•
•
•
•
•
•
Overview
Chassis Cover
Installing and Removing Hard Drives
Removing and Installing the Backplane
Installing the Motherboard
Add-on Card/Expansion Card Setup
Adapter Card Replacement
Installing the Air Shrouds
Checking the Chassis the Air Flow
Review the warnings and precautions listed in the manual be-
fore setting up or servicing this chassis. These include infor-
mation in Chapter 2: System Safety and the warning/precau-
tions listed in the setup instructions.
!
5-1
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SC827 Chassis Manual
5-2 Chassis Cover
1
Remove two
screws
2
3
1
Check Ventilation
Openings
4
1
Figure 5-1: Removing the Chassis Cover
Before operating the SC827 chassis for the first time, it is important to remove the
protective film covering the top of the chassis, in order to allow for proper ventila-
tion and cooling.
Removing the Chassis Cover and Protective Film
1. Remove the two screws which secure the top cover onto the chassis as
shown above.
2. Lift the top cover up and off the chassis.
3. Peel off the protective film covering the top cover and the top of the chassis
4. Check that all ventilation openings on the top cover and the top of the chassis
are clear and unobstructed.
Warning: Except for short periods of time, do NOT operate the
server without the cover in place. The chassis cover must be in
place to allow proper airflow and prevent overheating.
!
5-2
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Chapter 5: Chassis Setup and Maintenance
5-3 Installing and Removing Hard Drives
The SC827 chassis contains four individual motherboards in separate node draw-
ers. Each motherboard node controls a set of three hard drives. Note that if a
motherboard node drawer is pulled out of the chassis, the hard drives associated
with that node will power down as well.
Motherboard Drawer Locations in the Chassis
Motherboard B
Motherboard D
Controls HDDs B1, B2 and B3
Controls HDDs D1, D2 and D3
Motherboard A
Motherboard C
Controls HDDs A1, A2 and A3
Controls HDDs C1, C2 and C3
A
1
B
1
C
1
D
1
Figure 5-2: Hard Drives and the Corresponding Motherboards
5-3
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SC827 Chassis Manual
2
1
Figure 5-3: Removing a Hard Drive Tray
Removing Hard Drive Trays from the Chassis
1. Press the release button on the drive tray. This extends the drive bay handle.
2. Use the handle to pull the drive out of the chassis.
5-4
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Chapter 5: Chassis Setup and Maintenance
Dummy Drive
Drive Tray
Figure 5-4: Chassis Drive Tray
The drives are mounted in drive trays to simplify their installation and removal from
the chassis. These trays also help promote proper airflow for the drive bays.
Warning: Except for short periods of time while swapping hard
drives, do not operate the server with the hard drives bays
empty.
!
1
1
Figure 5-5: Removing Dummy Drive from Tray
Installing a Drive into the Hard Drive Tray
1. Remove the screws (2) holding the drive to the tray.
2. Remove the drive from the tray.
5-5
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SC827 Chassis Manual
SAS or SATA
Hard Drive
4
4
Drive Tray
Figure 5-6: Removing Hard Drive
3. Install a new drive into the tray with the printed circuit board side facing down
so that the mounting holes align with those in the carrier.
4. Secure the hard drive by tightening all six (6) screws.
5. Use the open handle to replace the drive tray into the chassis. Make sure the
close the drive tray handle.
5-6
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Chapter 5: Chassis Setup and Maintenance
5-4 Removing and Installing the Backplane
The SC827 chassis backplane is located behind the hard drives and in front of
the front system fans. Although backplane failure rarely occurs, in the event of a
backplane failure, follow the instructions below.
Removing the Backplane
Removing the Backplane from the Chassis
1. Power down and unplug the system from any power source.
2. Remove the chassis cover.
3. Disconnect the cabling to the backplane.
4. Remove all of the hard drive trays from the front of the chassis.
5. Remove the five upper screws at the top of the backplane and the screw from
the side of the chassis, as indicated by the arrows below.
5
1
Figure 5-7: Removing the Screws at the Top of the Backplane
5-7
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SC827 Chassis Manual
6. Loosen the three screws in the spring bar, located on the floor of the chassis,
indicated by the arrows below.
6
1
Figure 5-8: Loosening the Spring Bar Screws in the Floor of the Chassis
7
1
Figure 5-9: Removing the Backplane from the Chassis
7. Gently ease the backplane up and out of the chassis at a slight angle.
5-8
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Chapter 5: Chassis Setup and Maintenance
Installing the Backplane
Installing the Backplane into the Chassis
1. Ensure that all of the hard drive trays have been removed from the bays in
the front of the chassis and that the spring bar has been loosened as directed
in the previous section.
2. Secure the side mounting bracket to the backplane with the two screws
provided.
3. Slide the backplane into the chassis at a slight angle, pushing it up against
the side of the chassis.
4. Ease the backplane forward, against the front of the chassis. This will aid in
the alignment of the mounting holes.
5. Align the mounting holes in the backplane with the holes in the chassis. Re-
place the four screws at the top of the backplane and the screw on the side
of the chassis.
6. Adjust the spring bar, then tighten the spring bar screws in the floor of the
chassis.
7. Reconnect all cables and return the hard drive trays to their bays in the front
of the chassis.
2
1
3
1
4
1
Figure 5-10: Installing the Backplane
5-9
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SC827 Chassis Manual
5-5 Installing the Motherboard
I/O Shields
Figure 5-11: I/O Shield Placement
Compatible Motherboards
Most Supermicro Twin series motherboards are compatible with the SC827 chassis.
For the most up-to-date information on compatible motherboards and other parts,
Hot-swappable motherboards feature different adapter cards, depending upon the
motherboard. Adapter cards are optional and are not included with the chassis. For
information on ordering adapter cards, see the appendix of this manual or visit the
Permanent and Optional Standoffs
Standoffs prevent short circuits by securing space between the motherboard and
the chassis surface. The SC827 chassis includes permanent standoffs in locations
used by the motherboards. These standoffs accept the rounded Phillips head screws
included in the SC827 accessories packaging.
Some motherboards require additional screws for heatsinks, general components
and/or non-standard security. Optional standoffs are used for these mother-
boards.
To use an optional standoff, you must place a hexagon screw through the bottom
the chassis and secure the screw with the hexagonal nut (rounded side up).
Depending upon the configuration of the motherboard being used, it is also pos-
sible that some of the optional standoffs which are pre-installed in the chassis, may
need to be removed.
5-10
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Chapter 5: Chassis Setup and Maintenance
Figure 5-12: Installing the Motherboard in the Motherboard Node Drawer
Installing the Motherboard
1. Review the documentation that came with your motherboard. Become familiar
with component placement, requirements, precautions, and cable connec-
tions.
2. Pull the motherboard node drawer out of the back of the chassis.
3. Remove the add-on card brackets:
3a. Remove screw securing the add-on card bracket to the back of the node
drawer.
3b. Lift the bracket out of the node drawer.
4. Lay the motherboard in the node drawer aligning the standoffs with the moth-
erboard.
5. Secure the motherboard to the node drawer using the rounded, Phillips head
screws included for this purpose.
6. Install the adapter card associated with the motherboard if the chassis is a
hot-swappable version. Refer to the next section for instructions on installing
the adapter card
7. Secure the CPU(s), heatsinks, and other components to the motherboard as
described in the motherboard documentation.
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SC827 Chassis Manual
8. Connect the cables between the motherboard, backplane, chassis, front
panel, and power supply, as needed. Also, fans may be temporarily removed
to allow access to the backplane ports.
9. Replace the add-on card bracket and secure the bracket with a screw.
10. Repeat steps 3 - 5 for the remaining nodes.
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Chapter 5: Chassis Setup and Maintenance
5-6 Installing and Replacing Adapter Cards
Adapter cards provide hot-swappable functionality to the chassis.
Spacer Plate
Adapter Card
Motherboard
Drawer
Five Screws
Figure 5-13: Adapter Card Installation
Removing the Adapter Card
1. Remove the motherboard drawer from the chassis.
2. Disconnect the wiring, connecting the adapter card to the motherboard if any
is present.
3. Remove the five screws securing the adapter card and the spacer plate to the
drawer and set them aside for later use.
4. Remove the adapter card and spacer plate from the motherboard drawer.
5. Set the spacer plate aside for later use.
Installing the Adapter Card
1. Make sure the motherboard has been installed properly in the node drawer
before installing the adapter card
2. Place the adapter card and spacer plate in the motherboard drawer, aligning
the holes in the spacer and the adapter card with the holes in the mother-
board drawer.
3. Secure the adapter card and spacer plate to the motherboard drawer, using
the five M3 flathead screws which were previously set aside.
4. Reconnect the wiring from the motherboard to the adapter card if necessary.
5. Return the motherboard drawer to the closed position in the chassis.
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SC827 Chassis Manual
Add-on Card/Expansion Slot Setup
The SC827 chassis supports one low-profile expansion slot for each node, for a
total of four slots in the chassis. To install a low-profile PCI card, follow the instruc-
tions below.
Add-on Card Slot Clip
PCI Slot Shield
Figure 5-14: I/O Shield Configuration
5-14
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Chapter 5: Chassis Setup and Maintenance
Figure 5-15: Installing the Riser Card
Installing the Riser Card
Installing the Riser Card
1. Disconnect the power supply and lay the chassis on a flat surface.
2. Pull the motherboard node drawer from the chassis.
3. Remove the add-on card bracket.
3a. Remove the screw securing the add-on bracket to the back of the drawer.
3b. Lift the bracket out of the motherboard node drawer.
4. Align the riser card mounting hole to the bracket standoff and secure the
riser card to the bracket using the two screws included in the accessory box.
5. Inser the riser card along with the riser bracket into the motherboard.
6. Secure the riser bracket to the motherboard node drawer's rear window.
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SC827 Chassis Manual
Add-on Card
Riser
Card
Screw
PCI Slot
Shield
Riser
Card
Figure 5-16: Installing the Add-On Card
Installing Add-on Cards
1. Disconnect the power supply, lay the chassis on a flat surface, and open the
chassis cover.
2. Pull out the motherboard node drawer from the chassis.
3. Pull open the add-on card slot clip in the rear of the motherboard node
drawer.
4. Remove the PCI slot shield.
5. Place the add-on card into the motherboard node drawer.
6. Slide the add-on card into the rear riser card slot and fit the add-on card
bracket with the opening in the rear of the motherboard node drawer.
7. Close the add-on card slot clip.
5-16
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Chapter 5: Chassis Setup and Maintenance
5-7 Installing the Air Shrouds
Air Shrouds
Air shrouds concentrate airflow to maximize fan efficiency. The SC827 chassis
requires air shrouds for each motherboard node. Air shrouds vary depending upon
the motherboard used. See the illustrations below.
Installing an Air Shroud
1. Make sure that the motherboard adapter card (if any) and all components are
properly installed in each motherboard node.
2. Place the first air shroud over the motherboard, as shown below. The air
shroud sits behind the system fans and goes over the top of the motherboard
and its components.
3. Repeat the procedure for the remaining three motherboard nodes.
SCALE 1.000
Figure 5-17: Installing the Air Shroud with Different Motherboards
5-17
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SC827 Chassis Manual
5-8 Checking the Airflow
Checking Airflow
1. Make sure there are no objects to obstruct airflow in and out of the server. In
addition, if you are using a front bezel, make sure the bezel's filter is replaced
periodically.
2. Do not operate the server without drives or drive trays in the drive bays. Use
only recommended server parts.
3. Make sure no wires or foreign objects obstruct airflow through the chassis.
Pull all excess cabling out of the airflow path or use shorter cables.
4. The control panel LEDs inform you of system status. See “Chapter 3: System
Interface” for details on the LEDs and the control panel buttons.
Installation Complete
In most cases, the chassis power supply and fans are pre-installed. If you need
to install fans or power supplies, continue to the Systems Fan and Power Supply
sections of this chapter. If the chassis will be installed into a rack, continue to the
next chapter for rack installation instructions.
5-18
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Chapter 5: Chassis Setup and Maintenance
5-9 System Fans
Four fans provide cooling for the chassis. These fans circulate air through the chas-
sis as a means of lowering the chassis internal temperature. The SC827 system fans
are easy to change modules. There is no need to uninstall any other parts inside
the system when replacing fans, and no tools are required for installation.
Optional Fan Configurations
The SC827H model chassis is designed so that the default configuration of the
system is for each motherboard to control two fans. Each motherboard node in
the chassis is connected to the backplane through the adapter card, mounted in
the motherboard node drawer. In the event that one of the motherboard drawers is
removed, then the remaining motherboard will operate both fans.
The SC827T model chassis has a default configuration with one fan wired directly
to each motherboard. In the event that one of the motherboard drawers is removed,
then the fan associated with that motherboard will not function until the drawer is
replaced. If multiple controls are desired in the SC827T, an optional cable must be
purchased separately to connect from the backplane to each motherboard node.
Fan Configurations Options
SC827T Default Configuration
Fan A wired directly to Node A
Fan B wired directly to Node B
Fan C wired directly to Node C
Fan D wired directly to Node D
SC827T Optional Hot-Swappable Configuration (Requires optional cable)
Fans A and B connected to backplane,
backplane cabled to Nodes A and B
Fans A and B connected to backplane,
backplane cabled to Nodes A and B
SC827H Hot-Swappable Default Configuration
Fans A and B connected to backplane,
backplane connected to Node A and B by adapter card
Fans C and D connected to backplane,
backplane connected to Nodes A and B by adapter card
5-19
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SC827 Chassis Manual
Figure 5-18: System Fan Placement
Changing a System Fan
1. If necessary, open the chassis while the power is running to determine which
fan has failed. (Never run the server for an extended period of time with the
chassis cover open.)
2. Remove the failed fan's power cord from the backplane.
3. Lift the fan housing up and out of the chassis.
4. Push the fan up from the bottom and out of the top of the housing.
5. Place the replacement fan into the vacant space in the housing while making
sure the arrows on the top of the fan (indicating air direction) point in the
same direction as the arrows on the other fans.
6. Put the fan back into the chassis and reconnect the cable.
7. Confirm that the fan is working properly before replacing the chassis cover.
Figure 5-19: Replacing a System Fan in the Fan Housing
5-20
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Chapter 5: Chassis Setup and Maintenance
5-10 Power Supply
Depending on your chassis model, the SC827 chassis will include a 1200W or
1400W power supply. This power supply is auto-switching capable. This enables it
to automatically sense and operate at a 100v to 240v input voltage. An amber light
will be illuminated on the power supply when the power is off. An illuminated green
light indicates that the power supply is operating.
Power Supply Replacement
The SC827 chassis utilizes two redundant power supplies. In the unlikely event that
the power supply unit needs to be replaced, one power supply can be removed,
without powering down the system. Replacement units can be ordered directly from
Supermicro (See the contact information in the Preface of this manual).
Release Tab
Figure 5-20: Changing the Power Supply
5-21
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SC827 Chassis Manual
Changing the Power Supply
1. Power down all four nodes and unplug the power cord. (Not necessary with
redundant power supplies)
2. Unplug the AC power cord from the failed power supply.
3. Push the release tab (on the back of the power supply) as illustrated.
4. Pull the power supply out using the handle provided.
5. Push the new power supply module into the power bay until you hear a click.
6. Plug the AC power cord back into the module and power up the nodes.
5-22
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Chapter 6: Rack Installation
Chapter 6
Rack Installation
6-1 Overview
This chapter provides a quick setup checklist to get your chassis up and running.
Following these steps in the order given should enable you to have the system
operational within a minimal amount of time.
6-2 Unpacking the System
You should inspect the box which the chassis was shipped in and note if it was
damaged in any way. If the chassis itself shows damage, you should file a damage
claim with the carrier who delivered it.
Decide on a suitable location for the rack unit that will hold your chassis. It should
be situated in a clean, dust-free area that is well ventilated. Avoid areas where
heat, electrical noise and electromagnetic fields are generated. The system needs
to be placed near a grounded power outlet. Be sure to read the Rack and Server
Precautions in the next section.
6-3 Preparing for Setup
The box your chassis was shipped in should include two sets of rail assemblies and
the mounting screws needed for installing the system into the rack. Also included
is an optional square hole to round hole converter bracket, for use in racks with
round mounting holes. Please read this section in its entirety before you begin the
installation procedure outlined in the sections that follow.
Choosing a Setup Location
•
•
•
Leave enough clearance in front of the rack to enable you to open the front
door completely (~25 inches).
Leave approximately 30 inches of clearance in the back of the rack to allow for
sufficient airflow and ease in servicing.
This product is for installation only in a Restricted Access Location (dedicated
equipment rooms, service closets and the like).
6-1
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SC827 Chassis Manual
Warning!
!
!
6-4 Warnings and Precautions
Rack Precautions
•
Ensure that the leveling jacks on the bottom of the rack are fully extended to
the floor with the full weight of the rack resting on them.
•
•
•
In single rack installations, stabilizers should be attached to the rack.
In multiple rack installations, the racks should be coupled together.
Always make sure that 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.
General Server Precautions
•
•
•
•
Review the electrical and general safety precautions that came with the com-
ponents you are adding to your chassis.
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 first, and then
work upwards.
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.
•
Allow the hot plug hard drives and power supply modules to cool before touch-
ing them.
6-2
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Chapter 6: Rack Installation
•
Always keep the rack's front door and all panels and components on the servers
closed when not servicing to maintain proper cooling.
6-5 Rack Mounting Considerations
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient operating tempera-
ture 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 tempera-
ture (TMRA).
Reduced Airflow
Equipment should be mounted into a rack so that the amount of airflow 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 connec-
tions other than the direct connections to the branch circuit (i.e. the use of power
strips, etc.).
6-3
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SC827 Chassis Manual
6-6 Rack Mounting Instructions
This section provides information on installing the chassis into a rack unit with the
rails provided. There are a variety of rack units on the market, which may mean
that the assembly procedure will differ slightly from the instructions provided. You
should also refer to the installation instructions that came with the rack unit you are
using. NOTE: This rail will fit a rack between 26.5" and 36.4" deep.
Identifying the Sections of the Rack Rails
The chassis package includes two rail assemblies in the rack mounting kit. Each
assembly consists of three sections: An inner chassis rail which secures directly to
the chassis, an outer rail that secures to the rack, and a middle rail which extends
from the outer rail. These assemblies are specifically designed for the left and right
side of the chassis.
Rail Assembly
(Shown with Rails
Retracted)
Outer Rail
Middle Rail
Locking Tab
This Side Faces
Inner Rail
Outward
Figure 6-1: Identifying the Outer Rail, Middle Rail and Inner Rails
(Left Rail Assembly Shown)
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Chapter 6: Rack Installation
Locking Tabs
Each inner rail has a locking tab. This tab locks the chassis into place when installed
and pushed fully into the rack. These tabs also lock the chassis in place when fully
extended from the rack. This prevents the server from coming completely out of
the rack when when the chassis is pulled out for servicing.
Releasing the Inner Rail
Releasing Inner Rail from the Outer Rails
1. Identify the left and right outer rail assemblies as described on page 5-4.
2. Pull the inner rail out of the outer rail until it is fully extended as illustrated
below.
3. Press the locking tab down to release the inner rail.
4. Repeat steps 1-3 for the second outer rail.
1
1
2
1
3
1
4
1
Figure 6-2: Extending and Releasing the Inner Rail
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SC827 Chassis Manual
Inner Rails
4
1
2
4
1
3
Figure 6-3: Installing the Inner Rails
Figure 6-4: Inner Rails Installed on the Chassis
(The chassis above are an example only. Actual chassis may differ slightly)
Installing The Inner Rails on the Chassis
Installing the Inner Rails
1. Confirm that the left and right inner rails have been correctly identified.
2. Place the inner rail firmly against the side of the chassis, aligning the hooks
on the side of the chassis with the holes in the inner rail.
3. Slide the inner rail forward toward the front of the chassis until the rail clicks
into the locked position, which secures the inner rail to the chassis.
4. Secure the inner rail to the chassis with the screws provided.
5. Repeat steps 1 through 4 above for the other inner rail.
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Chapter 6: Rack Installation
1
1
4
1
2
1
3
1
Figure 6-5: Extending and Releasing the Outer Rails
Installing the Outer Rails on the Rack
Installing the Outer Rails
1. Press upward on the locking tab at the rear end of the middle rail.
2. Push the middle rail back into the outer rail.
3. Hang the hooks of the front of the outer rail onto the slots on the front of
the rack. If necessary, use screws to secure the outer rails to the rack, as
illustrated above.
4. Pull out the rear of the outer rail, adjusting the length until it fits within the
posts of the rack.
5. Hang the hooks of the rear portion of the outer rail onto the slots on the rear
of the rack. If necessary, use screws to secure the rear of the outer rail to the
rear of the rack.
6. Repeat steps 1-5 for the remaining outer rail.
6-7
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SC827 Chassis Manual
Ball-Bearing
Shuttle
Figure 6-6: Installing into a Rack
Standard Chassis Installation
Installing the Chassis into a Rack
1. Confirm that the inner rails are properly installed on the chassis.
2. Confirm that the outer rails are correctly installed on the rack.
3. Pull the middle rail out from the front of the outer rail and make sure that the
ball-bearing shuttle is at the front locking position of the middle rail.
4. Align the chassis inner rails with the front of the middle rails.
5. Slide the inner rails on the chassis into the middle rails, keeping the pressure
even on both sides, until the locking tab of the inner rail clicks into the front of
the middle rail, locking the chassis into the fully extended position.
6. Depress the locking tabs of both sides at the same time and push the chassis
all the way into the rear of the rack.
7. If necessary for security purposes, use screws to secure the chassis handles
to the front of the rack.
6-8
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Chapter 6: Rack Installation
Optional Quick Installation Method
The following quick installation method may be used to install the chassis onto a
rack.
Installing the Chassis into a Rack
1. Install the whole rail assembly onto the rack as described on page X-7.
2. Release the inner rail without retracting the middle rail.
3. Install the inner rails on the chassis as previously described on page X-6.
4. Install the chassis onto the middle rail as described in the previous section.
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SC827 Chassis Manual
Notes
6-10
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Appendix A: Cables, Screws and Other Accessories
Appendix A
Cables, Screws,
and other Accessories
A-1 Overview
This appendix lists optional parts which need to be ordered when the customer is
assembling their own chassis system. It only includes the most commonly used com-
ponents and configurations. For more compatible cables, refer to the manufacturer
A-2 Compatibility and Optional Accessories List
SC827T chassis
(Wire Version)
SC827H chassis
(Hot-Swappable Version)
X8DTT
(non-H version)
Air shroud: MCP-310-
82701-0B
Adaptor card: BPN-827ADP-X8
Air shroud: MCP-310-82706-0B
Cable: CBL-0317L, CBL-0318L
Cable: CBL-0319L, CBL-0320L
Cable: CBL-0321L
X8DTT-H
Not supported
Not supported
Adaptor card: BPN-827ADP-X8-H
Air shroud: MCP-310-82706-0B
X8DTT-H+
Currently not supported
H8DMT
(8 DIMMs)
Air shroud: MCP-310-
82703-0B
Adaptor card: BPN-827ADP-H8
Air shroud: MCP-310-82703-0B
Cable: CBL-0151L, CBL-0317L
Cable: CBL-0320L, CBL-0323L
H8DMT+
Not supported
Not supported
(16 DIMMs)
X7DCT
Air shroud: MCP-310-
82702-0B
Not supported
X7DWT/X7DBT
X7SBT
Not supported
Not supported
Not supported
Not supported
A-1
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SC827 Chassis Manual
A-5 Chassis Screws
The chassis and accessory box includes all of the screws needed to setup your
chassis. This section includes descriptions of the most common screws used. Your
chassis may not require all of the parts listed.
M/B
HARD DRIVE
Flat head
6-32 x 5 mm
[0.197]
Pan head
6-32 x 5 mm
[0.197]
DVD-ROM, CD-ROM, and FLOPPY DRIVE
Flat head
6-32 x 5 mm
[0.197]
Round head
2.6 x 5 mm
[0.197]
Round head
3 x 5 mm
[0.197]
Pan head
6-32 x 5 mm
[0.197]
RAIL
Flat head
M4 x 4 mm
[0.157]
Round head
M4 x 4 mm
[0.157]
Flat head
M5 x 12 mm[0.472]
Washer for M5
M/B STANDOFFS
M/B standoff
6-32 to 6-32
Thumb screw
6-32 x 5 mm [0.197]
M/B (CPU) standoff
M5 to 6-32
A-2
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Appendix B: Power Supply Specifications
Appendix B
SC827 Power Supply Specifications
This appendix lists power supply specifications for your chassis system.
SC827H-R1200B, SC827T-R1200B
1200W
MFR Part #
PWS-1K21P-1R
100 - 140V, 50 - 60HZ, 8 - 11.5 Amp
180 - 240V, 50 - 60Hz, 5.5 - 8 Amp
Rated AC Voltage
1000W, 83 Amp @ 100-140V
DC Output +12V 1200W, 100 Amp @ 180-240V
5Vsb: 4A
+5V: 30 Amp
DC Output
+3.3V: 24 Amp
with PDB
-12V: 0.6 Amp
Certification 80 PLUS Gold Certified
SC827H-R1400B, SC827T-R1400B
1400W
MFR Part #
AC Input
PWS-1K41P-1R
1100W: 100 - 140V, 50 - 60Hz, 9.5 - 13.5 Amp
1400W: 180 - 240V, 50 - 60Hz, 7.0 - 9.5 Amp
DC Output +5
Standby
4 Amp
DC Output 91 Amp @ 100-140V
+12V 116 Amp @ 180-240V
+5V: 30 Amp
With Distributor +3.3V: 24 Amp
-12V: 0.6 Amp
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SC827 Chassis Manual
Notes
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Appendix C: SAS-827T Backplane Specificiations
Appendix C
SAS-827T Safety Guidelines
To avoid personal injury and property damage, carefully follow all the safety steps
listed below when accessing your system or handling the components.
C-1 ESD Safety Guidelines
Electrostatic Discharge (ESD) can damage electronic components. To prevent dam-
age to your system, it is important to handle it very carefully. The following measures
are generally sufficient to protect your equipment from ESD.
•
•
Use a grounded wrist strap designed to prevent static discharge.
Touch a grounded metal object before removing a component from the antistatic
bag.
•
Handle the backplane by its edges only; do not touch its components, peripheral
chips, memory modules or gold contacts.
•
•
When handling chips or modules, avoid touching their pins.
Put the card and peripherals back into their antistatic bags when not in use.
C-2 General Safety Guidelines
•
•
•
Always disconnect power cables before installing or removing any components
from the computer, including the SAS-827T backplane.
Disconnect the power cable before installing or removing any cables from the
SAS-827T backplane.
Make sure that the SAS-827T backplane is securely and properly installed on
the motherboard to prevent damage to the system due to power shortage.
C-1
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SC827 Chassis Manual
C-3 An Important Note to Users
•
All images and layouts shown in this user's guide are based upon the latest PCB
Revision available at the time of publishing. The card you have received may or
may not look exactly the same as the graphics shown in this manual.
C-4 Introduction to the SAS-827T Backplane
The SAS-827T backplane has been designed to utilize the most up-to-date technol-
ogy available, providing your system with reliable, high-quality performance.
This manual reflects SAS-827T Revision 1.01, the most current release available at
com for the latest updates, compatible parts and supported configurations.
C-2
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Appendix C: SAS-827T Backplane Specificiations
Connector, Jumper and Pin Definitions
C-5 Front Connectors and Jumpers
7
6
13
8
5
1
1
1
1
1
17
19
1
1
JP57
20
1
JP48
To P/S
4
FA
4
FAN4
4
C45
1
F13
C266
4
4
1
F14
1
JP56
FAN1
1
+
1
HB
D1
R CODE
FAN3
F16
C269
JP55
JP54
+
19
C209
21
BZ1
D57
SAS827T
C
A
1
21
7
7
1
7
F15
REV 1.01
TP3
1
34
D62
33
D65
D68
C15
C58
JP69
F18
L2
OH
A
D11
C115
10
U8
JP18
R297
C85
R11
10
C201
11
23
C75
+
U3
#D2JP49
#C2
+
C3
#B2
6
1
#A2
BUZZER RESET
1
3
U4
C130
U6
JP18
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
12
C19
+
C
6
1
R199
JP30:
1
+
R144
R145
R226
OPEN:45
1-2:50
C
2
R196
JP26
5
+
C43
U2
R202
JP49:
C
C
DEFAUL
T
U10
5
U1
2-3:55
R113
R110
R104
JF1-B
C173
C119
D64
C198
JF4
U9
D61
D56
7
7
7
7
U11
JF1-D
D59
19
R222
MB-D
1 (FAN)
JP47
MB-C
1 (FAN)
MB-B
(FAN)
1
4
4
4
JP10
JP58
+
1
4
C84
F3
C44
#D1
MB-D
(PWR)
C197
#C1
#B1
#A1
+
+
C33
1
4
+
1
4
1
JP13
JP65
JP59
MB-B
(PWR)
4
JP60
1
JF6
JP46
4
MB-A
(FAN)
MB-A
(PWR)
C199
7
7
7
7
C121
MB-C
(PWR)
JF1-CD
D72
JF3
F7
F8
1
D58
D60
D63
C156
D55
2
1
2
JF5
JF1
JF1-AB
DESIGNED IN USA
JF1
C23
JF1-C
C21
#D
#
#
A0
10 2
12
1
11
1
1
9
1
4
1
1
1
1
3
1
15
1
14
1
16
1
18
1
Figure C-1: Front Connectors
Front Connectors
1. MB Power Connector: JP10: MB-A
2. MB Power Connector: JP13:
MB-B
12. MB Fan Connector: MB-D: JP65
13. Power Supply Connector: JP48
14. Backplane to Front Panel
Header: JF1-AB, JF5
3. MB Power Connector: JP46:
MB-C
15. Backplane to Front Panel
Header: JF1-CD, JF6
4. MB Power Connector: JP47:
MB-D
16. MB Front Panel Connector:
JF1-A, JF1
5. Chassis Fan Connector: Fan1
JP54
17. MB Front Panel Connector:
JF1-B, JF2
6. Chassis Fan Connector: Fan2
JP55
18. MB Front Panel Connector
JF1-C: JF3
7. Chassis Fan Connector: Fan3
JP56
19. MB Front Panel Connector
JF1-D: JF4
8. Chassis Fan Connector Fan4
JP57
20. Upgrade Connector:JP69
21. Manufacturer's testing only: JP26
and JP49
9. MB Fan Connector: MB-A: JP58
10. MB Fan Connector: MB-B: JP59
11. MB Fan Connector: MB-C: JP60
C-3
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JP30
JP57
1
JP48
To P/S
FAN2
4
FAN4
C45
1
3
F13
C266
4
4
1
F14
JF2
4
JP56
FAN1
1
+
1
HB
D1
BAR CODE
FAN3
6
JP55
JP54
19
C209
BZ1
D
27T
C
A
1
7
U7
7
7
#D2JP49
7
7
F15
TP3
34
D62
33
23
D68
33
27
24
30
1
JP69
C15
C58
1
1
1
L2
OH
A
D11
C115
10
5
U8
JP18
R297
C85
R11
10
C201
11
C75
+
U3
#C2
+
C3
#B2
6
1
#A2
BUZZER RESET
1
3
U4
C130
U6
JP18
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
12
C19
+
C
6
1
R199
JP30:
1
+
R144
R145
C43
R226
OPEN:45
1-2:50
C
2
JP26
R196
U2
R202
+
C
C
DEFAUL
T
U10
5
U1
2-3:55
R113
R110
R104
JF1-B
C173
C119
D64
C198
JF4
U9
:
D61
7
7
7
U11
JF1-D
23
19
32
R222
29
26
1
MB-D
1 (FAN)
JP47
MB-C
1 (FAN)
MB-B
(FAN)
1
1
1
4
4
4
JP10
JP58
+
1
4
C84
F3
C44
#D1
MB-D
(PWR)
C197
#C1
#B1
#A1
+
+
C33
1
4
+
1
4
1
JP13
JP65
JP59
MB-B
(PWR)
4
JP60
1
JF6
JP46
4
MB-A
(FAN
MB-A
(PWR)
7
7
7
7
C121
MB-C
(PWR)
JF1-C
JF3
F7
F8
1
D60
D63
C156
2
JF1
1
2
JF5
JF1-AB
DESIGNED IN USA
28
1
JF1-A
C23
JF1-C
31
1
25
1
22
C21
#D0
#C0
#B0
#A0
Figure C-2: Front SAS Ports
SAS Ports
22. SAS Port #A0: J5
23. SAS Port #A1: J6
24. SAS Port #A2: J7
25. SAS Port #B0: J8
29. SAS Port #C1: J16
30. SAS Port #C2: J22
31. SAS Port #D0: J23
32. SAS Port #D1: J24
33. SAS Port #D2: J25
26. SAS Port #B1: J10
27. SAS Port #B2: J12
28. SAS Port #C0: J14
C-6 Front Connector and Pin Definitions
1. - 4. Motherboard Power Connectors
MB Power Connections
Connector
JP10
Motherboard
MB-A
These connectors, designated JP10, JP13,
JP46 and JP47 supply power to each of the
four motherboards in the chassis. Use the
tables on the right to connect the motherboard
power connector on the backplane to the cor-
rect motherboard in the chassis.
JP13
MB-B
JP46
MB-C
JP47
MB-D
Figure C-3: Motherboard Locations in the Chassis
C-4
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Appendix C: SAS-827T Backplane Specificiations
5. - 8. Chassis Fan Connectors
These connectors, designated JP54, JP55, JP56 and JP57 supply power to the
chassis. cooling fans.
9. - 12. Fan Connector Y-Cable
(Optional feature, sold separately)
A Y-cable is used to connect the fan connector from the backplane to the mother-
board's fan connectors. These fan connectors, are designated JP58, JP59, JP60
and JP65. Only connect a Y-cable into these four connectors. Never directly connect
a fan to these connectors as it may damage both the fans and/or the backplane.
FAN1
FAN2
System Fans
FAN4
FAN3
1
F
AN4
F
AN2
1
4
C266
4
4
JP56
1
4
FAN1
1
FAN3
JP55
JP54
+
SAS827T
REV 1.01
SAS-827T Backplane
Cables
MB-D
(FAN)
MB-C
1 (FAN)
MB-B
1 (FAN)
1
4
4
4
1
JP58
4
JP65
JP60
MB-A
(FAN)
Motherboards
MB-D
MB-C
MB-B
MB-A
Figure C-4: Default Configuration - Fans Connected Directly to Motherboards
FAN1
FAN2
System Fans
FAN4
FAN3
1
F
AN4
F
AN2
1
4
C266
4
4
JP56
1
4
FAN1
1
FAN3
JP55
JP54
+
SAS827T
REV 1.01
SAS-827T Backplane
Y-Cables
MB-D
(FAN)
MB-C
1 (FAN)
MB-B
1 (FAN)
1
4
4
4
1
JP58
4
JP65
JP60
MB-A
(FAN)
Motherboards
MB-D
MB-C
MB-B
MB-A
Figure C-5: Optional Configuration - Motherboards to the Fan Connectors
FAN1
FAN2
System Fans
Cables
FAN4
FAN3
1
F
AN4
FAN2
1
4
C266
4
4
JP56
1
4
FAN1
1
FAN3
JP55
JP54
+
SAS827T
REV 1.01
SAS-827T Backplane
MB-D
(FAN)
MB-C
1 (FAN)
MB-B
1 (FAN)
1
4
4
4
1
JP58
4
JP65
JP60
MB-A
(FAN)
Motherboards
MB-D
MB-C
MB-B
MB-A
Figure C-6: Prohibited Configuration
C-5
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SC827 Chassis Manual
13. Backplane Main Power Connectors
Backplane
Main Power
4-Pin Connector
(JP48)
The 4-pin connector, designated JP48 pro-
vides power to the backplane. See the table
on the right for pin definitions.
Pin#
Definition
1
+12V
2 and 3
Ground
+5V_STBY
4
14. - 15. Backplane to Front Panel Headers
These connectors are designated JF5 and
JF6. They connect the backplane to the
front LED panels on the chassis. JF5 con-
nects to the LED display panel for mother-
boards A and B. JF6 connects to the LED
display panel for motherboards C and D.
16. - 19. Motherboard to Backplane Con-
nectors
These connectors, designated JF1, JF2,
JF3 and JF4 connect the motherboards to
the front LED panels on the chassis. JF1
connects to motherboard A. JF2 connects
to motherboard B. JF3 connects to mother-
board C and JF4 connects to motherboard
D. See the table on the previous page to
determine the locations of the motherboards
within the chassis.
20. Upgrade Connector
The upgrade connector is designated JP69
Upgrade connectors are for manufacturing
use only.
21. Manufacturer's Test Connectors
The manufacturer's test connectors are desig-
nated JP26 and JP49. These test connectors
are for manufacturing use only.
C-6
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Appendix C: SAS-827T Backplane Specificiations
22. - 33. SAS Ports
The SAS-827T backplane is designed with
four separate sectors, which support from
one to four motherboards indepentdently
of each other. The SAS ports are used to
connect the SAS drive cables. The 12 ports
are designated A0, A1, A2, B0, B1, B2, C0,
C1, C2 and D0, D1, D2. Each port is also
compatible with SATA drives. Use the table
below to determine the SAS port to moth-
erboard configuration that is appropriate for
your system.
SAS Port to Motherboard Configurations
SAS Port
Connectors
A0, A1, A2
Number of
Motherboards
Connect to
Motherboard
Using 1 MB
Using 2 MBs
MB-A
A0, A1, A2
B0, B1, B2
MB-A
MB-B
Using 3 MBs
Using 4 MBs
A0, A1, A2
B0, B1, B2
C0, C1, C2
MB-A
MB-B
MB-C
A0, A1, A2
B0, B1, B2
C0, C1, C2
D0, D1, D2
MB-A
MB-B
MB-C
MB-D
Figure C-7: Motherboard Locations In the Chassis
C-7
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SC827 Chassis Manual
C-7 Front Jumper Locations and Pin Definitions
JP30
0
JP57
1
JP48
To P/S
4
FAN2
4
FAN4
4
C45
1
3
F13
C266
4
4
1
F14
JF2
JP56
FAN1
1
+
1
HB
BAR CODE
FAN3
D1
F16
C269
JP55
JP54
+
19
C209
BZ1
D57
SAS827T
C
A
1
7
U7
7
7
#D2JP49
7
7
F15
REV 1.01
TP3
34
D62
33
D65
D68
C15
C58
JP69
F18
L2
OH
A
D11
C115
10
5
U8
JP18
R297
C85
R11
10
C201
11
23
C75
+
U3
#C2
+
C3
#B2
6
1
#A2
BUZZER RESET
1
3
U4
C130
U6
JP18
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
12
C19
+
C
6
1
R199
JP30:
1
+
R144
R145
C43
R226
OPEN:45
1-2:50
C
2
JP26
R196
U2
R202
JP49:
+
C
C
DEFAUL
T
U10
5
U1
2-3:55
R113
R110
R104
JF1-B
C173
C119
D64
C198
JF4
U9
D61
D56
7
7
7
U11
JF1-D
D59
19
R222
JP18
MB-D
JP47
MB-C
1 (FAN)
MB-B
(FAN)
1 (FAN)
1
4
4
4
JP10
JP58
+
1
4
C84
F3
C44
#D1
MB-D
(PWR)
C197
#C1
#B1
#A1
+
+
C33
1
4
+
1
4
1
JP13
JP65
JP59
MB-B
(PWR)
4
JP60
1
JF6
JP46
4
MB-A
(FAN)
MB-A
(PWR)
C199
7
7
7
7
C121
MB-C
(PWR)
JF1-CD
D72
JF3
F7
F8
1
D58
D60
D63
C156
D55
2
JF1
1
2
JF5
JF1-AB
DESIGNED IN USA
JF1-A
C23
JF1-C
C21
#D0
#C0
#B0
#A0
Figure C-8: Front Jumpers
Explanation of Jumpers
3
2
1
Connector
Pins
To modify the operation of the backplane,
jumpers can be used to choose between
optional settings. Jumpers create shorts
between two pins to change the function
of the connector. Pin 1 is identified with
a square solder pad on the printed circuit
board. Note: On two pin jumpers, "Closed"
means the jumper is on and "Open" means
Jumper
Setting
3
2
1
the jumper is off the pins.
Jumper Settings
Jumper
Jumper Settings
Notes
*Buzzer reset
Open: Buzzer disabled
1-2: Buzzer enabled (Default)
2-3: Test setting
JP18
Overheat Settings
Open: 45º Celsius
1-2: 50º Celcius (Default)
2-3: 55º Celcius
Backplane overheat settings
JP30
*The buzzer sound indicates that a condition requiring immediate attention has
occurred.
The backplane buzzer alarm is triggered by the following condition:
1. Backplane temperature over 45º, 50º or 55º Celsius, depending upon the
overheat setting selected. See the table above for details.
C-8
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Appendix C: SAS-827T Backplane Specificiations
Front LED Indicators
D1
JP30
JP57
1
JP48
To P/S
4
FAN2
4
FAN4
C45
3
F13
C266
4
4
1
F14
JF2
4
JP56
FAN1
1
+
1
HB
FAN3
D1
F16
C269
JP55
JP54
+
19
C209
BZ1
D57
SAS827T
C
A
D11
1
7
U7
7
7
F15
REV 1.01
TP3
34
D62
33
D65
D68
C15
C58
JP69
F18
L2
OH
C115
10
5
U8
JP18
R297
A
D11
C85
R11
10
C201
11
23
C75
+
U3
#D2JP49
#C2
+
C3
#B2
6
1
#A2
BUZZER RESET
1
3
U4
C130
U6
JP18
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
12
C19
+
C
6
1
R199
JP30:
1
+
R144
R145
C43
R226
OPEN:45
1-2:50
C
2
JP26
R196
U2
R202
+
C
C
DEFAUL
T
U10
5
U1
2-3:55
R113
R110
R104
JF1-B
C173
C119
D64
C198
JF4
U9
JP49:
D61
D56
7
7
7
7
U11
JF1-D
D59
19
R222
MB-D
1 (FAN)
JP47
MB-C
1 (FAN)
MB-B
(FAN)
1
4
4
4
JP10
+
1
JP58
4
C84
F3
C44
#D1
MB-D
(PWR)
C197
#C1
#B1
#A1
+
+
C33
1
4
+
1
4
1
JP13
JP65
JP59
MB-B
(PWR)
4
JP60
1
JF6
JP46
4
MB-A
(FAN)
MB-A
(PWR)
C199
7
7
7
7
C121
MB-C
(PWR)
JF1-CD
D72
JF3
F7
F8
1
D58
D60
D63
C156
D55
2
JF1
1
2
JF5
JF1-AB
DESIGNED IN USA
JF1-A
C23
JF1-C
C21
#D0
#C0
#B0
#A0
Figure C-9: Front LEDs
Front Panel LEDs
LED
State
Blinking Blinking heartbeat indicates backplane activity
Solid On On indicates backplane overheat condition
Specification
Heartbeat LED: D1
Overheat LED: D11
C-9
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SC827 Chassis Manual
C-8 Rear Connectors and LED Indicators
D21
D20
D25
D29
D14
D5
R177
R182
D28
D33
R174
7
J3
J11
J17
J20
SAS
AS
SAS D2
SAS C2
SAS
SAS A2
J3
SAS B2
J11
#A2
#B2
#C2
#D2
J20
J17
C
D18
D19
R173
D24
D23
A
C
D13
D6
R95
D27
D31
R165
J9
J19
J2
J15
SAS
AS
SAS
SAS
SAS C1
SAS D1
SAS B2
J9
SAS A1
J2
#A1
#B1
#C1
#D1
J15
J19
C
R88
R164
D15
D8
D22
D30
A
C
D26
D32
D12
R179
SAS827T
REV 1.01
R155
A
J1
J4
J13
J18
SAS
#B0
SAS
#C0
SAS
S
#A0
SAS D0
J18
0
D7
SAS B0
J4
SAS C0
J13
SAS A0
J1
Figure C-10: Rear Connectors and LEDs
Rear SAS/SATA Connectors
Rear
SAS Drive
Number
Rear
Connector
SAS Drive
Number
Connector
SAS #A2
SAS #A1
SAS #A0
SAS #B2
SAS #B1
SAS #B0
SAS/SATA A2
SAS/SATA A1
SAS/SATA A0
SAS/SATA B2
SAS/SATA B1
SAS/SATA B0
SAS #C2
SAS #C1
SAS #C0
SAS #D2
SAS #D1
SAS #D0
SAS/SATA C2
SAS/SATA C1
SAS/SATA C0
SAS/SATA D2
SAS/SATA D1
SAS/SATA D0
Rear LED Indicators
Hard Drive Activity
Rear LED
SAS #A0
D12
D13
D14
D15
D18
D21
D22
D24
D25
D26
D27
D28
SAS #A1
SAS #A2
SAS #B0
SAS #B1
SAS #B2
SAS #C0
SAS #C1
SAS #C2
SAS #D0
SAS #D1
SAS #D2
C-10
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Appendix D: SAS-827B Backplane Specifications
Appendix D
SAS-827B Backplane Specifications
To avoid personal injury and property damage, carefully follow all the safety steps
listed below when accessing your system or handling the components.
D-1 ESD Safety Guidelines
Electrostatic Discharge (ESD) can damage electronic components. To prevent dam-
age to your system, it is important to handle it very carefully. The following measures
are generally sufficient to protect your equipment from ESD.
•
•
Use a grounded wrist strap designed to prevent static discharge.
Touch a grounded metal object before removing a component from the antistatic
bag.
•
Handle the backplane by its edges only; do not touch its components, peripheral
chips, memory modules or gold contacts.
•
•
When handling chips or modules, avoid touching their pins.
Put the card and peripherals back into their antistatic bags when not in use.
D-2 General Safety Guidelines
•
•
•
Always disconnect power cables before installing or removing any components
from the computer, including the SAS-827B backplane.
Disconnect the power cable before installing or removing any cables from the
SAS-827B backplane.
Make sure that the SAS-827B backplane is securely and properly installed on
the motherboard to prevent damage to the system due to power shortage.
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SC827 Chassis Manual
D-3 An Important Note to Users
•
All images and layouts shown in this user's guide are based upon the latest PCB
Revision available at the time of publishing. The card you have received may or
may not look exactly the same as the graphics shown in this manual.
D-4 Introduction to the SAS-827B Backplane
The SAS-827B backplane has been designed to utilize the most up-to-date technol-
ogy available, providing your system with reliable, high-quality performance.
This manual reflects SAS-827B Revision 1.01, the most current release available at
com for the latest updates, compatible parts and supported configurations.
ii
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Appendix D: SAS-827B Backplane Specifications
Jumpers and Pin Definitions
D-5 Front Connectors
12
10
6
1
5
7
4
1
1
1
1
1
JP57
1
FAN4
4
SPI
FAN2
4
JP30:
C45
F13
4
4
1
3
F14
OPEN:45
1-2:50
2-3:55
C
JP69
FAN1
1
1
C
C
DEFAUL
T
BAR CODE
+
1
FAN3
F16
CR4
C269
JP54
JP56
JP55
C266
R217
R216
+
D1
34
A
R144
C
D74
CR6
SAS827B
D65
REV 1.01
DESIGNED IN USA
D79
TP1
C178
D57
TP3
TP2
MB-B
D76
D71
F15
R145
JP30
C39
44
33
C42
C48
C176
1
3
C177
JPW
F31
F32
F33
F34
C203
8
5
F19
F20
F21
F22
TP5
MB-D
JP36:
OPEN:DEFAUL
CLOSE:ANY POWER BUTTON
C15
C58
T
JP35:
OPEN:DEFAUL
T
F23
C115
C
1
6
7
C
1
6
8
JP18
JP36
JP35
CLOSE:LED TEST
C85
C201
U
3
7
U
3
8
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
+
C3
1
1
11
23
RT6
F24
F25
CR13
+
22
12
C19
1
R85
4
R188 R187
U13
C67
+
1
3
+
R51
JP18
R11
R135
R134
R133
A
C
BUZZER RESET
F26
D11
F35
C119
C198
D78
C159
D73
C
4
6
C
4
3
D59
D70
D61
D56
D67
DEBUG
BZ1
J21
F38
JF5-AB
C143
C174
R49
C173
C4
C160
C158
R222
JPI2C1
5
C84
T
O
P
S
C
4
4
+
R132
R128
C197
+
MB-A
+
+
R69
F27
F28
F29
F30
JF6
13
1
8
5
MB-C
C200
+
JF6-CD
C121
1
1
D66
D69
D63
D58
D60
D55
R224
4
JPW2
1
C199
C21
14
1
8
1
2
1
1
1
11
1
9
1
Figure D-1: Front Connectors
Front Connectors
1. Main Power Connector: JPW1
8. Power Supply Connector: JPI2C1
9. MB-A hot plug connector: JF1
10. MB-B hot plug connector: JF2
11. MB-C hot plug connector: JF3
12. MB-D hot plug connector: JF4
2. Secondary Power Connector:
JPW2
3. Secondary Power Connector:
JPW3
4. Chassis Fan Connector: Fan1
JP54
13. Backplane to front panel connec-
tor: JF5
5. Chassis Fan Connector: Fan2
JP55
14. Backplane to front pannel con-
nector: JF6
6. Chassis Fan Connector: Fan3
JP56
7. Chassis Fan Connector Fan4
JP57
D-3
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SC827 Chassis Manual
1. - 3. Motherboard Power Connectors
These connectors, designated JPW1, JPW2,
and JPW3 supply power the four motherboard
nodes in the chassis.
4. - 7. Chassis Fan Connectors
These connectors, designated JP54, JP55,
JP56 and JP57 supply power to the chassis.
cooling fans.
FAN1
FAN2
System Fans
Cables
FAN4
FAN3
JP57
1
F
AN4
JP30:
SPI
F
AN2
1
4
F14
C45
F13
4
4
OPEN:45
1-2:50
2-3:55
C
JP69
4
FAN1
1
C
DEFAUL
T
BAR CODE
1
+
C
FAN3
C269
F16
JP56
CR4
JP55
C266
JP54
R217
R216
+
D1
34
R144
A
C
D79
D74
CR6
TP1
SAS827B
D65
C178
D57
D76
D71
TP3
TP2
MB-B
F15
REV 1.01
DESIGNED IN USA
R145
JP30
C39
44
C42
C48
33
C176
3
1
JPW3
C177
F31
F32
F33
F34
C203
8
5
F19
F20
F21
F22
TP5
MB-D
F23
JP36:
OPEN:DEFAUL
T
JP35:
C15
C58
CLOSE:ANY POWER BUTTON
OPEN:DEFAUL
T
C
1
6
7
C
1
6
8
C115
CLOSE:LED TEST
JP18
JP36
JP35
C85
C201
U
3
7
U
3
8
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
+
C3
11
23
1
1
RT6
F24
F25
CR13
+
12
22
C19
1
R85
4
R188 R187
U13
C67
+
1
3
JP18
R51
+
R11
R135
R134
R133
BUZZER RESET
A
D11
C
F26
F35
C198
C119
D78
C159
D73
C
4
6
C
4
3
D70
D67
D59
D61
D56
DEBUG
BZ1
J21
SAS-827B Backplane
F38
JF5-AB
C174
C143
R49
C
1
7
3
C
1
6
0
C4
C158
R222
5
JPI2C1
C84
+
R132
R128
C197
T
O
P
S
C
4
4
+
MB-A
+
+
R69
F27
F28
F29
F30
4
JF6
8
5
MB-C
C200
+
JF6-CD
C121
1
1
D69
D66
D63
D58
D60
D55
R224
4
JPW2
1
C199
C21
Figure D-2: Default Configuration - Fans Connected Directly to the Backplane
8. Power Supply Connector
The 5-pin connector, designated JPI2C1
provides power to the SMBUS and power
control signals.
9. - 12. Motherboard to Backplane Connec-
tors
These connectors, designated JF1, JF2,
JF3 and JF4 connect the motherboards to
the backplane on the chassis. JF1 connects
to motherboard A. JF2 connects to mother-
board B. JF3 connects to motherboard C
and JF4 connects to motherboard D. See
the table on the previous page to determine
the locations of the motherboards within
the chassis.
D-4
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Appendix D: SAS-827B Backplane Specifications
13. - 14. Backplane to Front Panel Headers
These connectors are designated JF5 and
JF6. They connect the backplane to the
front LED panels on the chassis. JF5 con-
nects to the LED display panel for mother-
boards A and B. JF6 connects to the LED
display panel for motherboards C and D.
D-5
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SC827 Chassis Manual
D-6 Front Jumpers and Pin Definitions
JP69
JP57
1
FAN4
4
SPI
FAN2
4
C45
F13
4
4
JP30
1
F14
:
1-2:50
2
JP69
FAN1
1
C
DEFAUL
T
BAR CODE
+
1
FAN3
F16
CR4
C269
JP54
JP56
JP55
C266
R217
R216
+
D1
A
R144
C
D74
SAS827B
D65
REV 1.01
DESIGNED IN USA
D79
TP1
D57
TP3
TP2
MB-B
D76
D71
F15
R1
JP30
C39
44
34
33
C42
C48
1
3
JPW3
F31
F32
F33
F34
Buzzer
C203
8
5
F19
F20
F21
F22
TP5
MB-D
F23
JP36:
OPEN:DEFAUL
C15
C58
T
JP35:
OPEN:DEFAUL
CLOSE:ANY POWER BUTTON
T
C
1
6
7
C
1
6
8
C115
JP18
JP36
JP35
CLOSE:LED TEST
C85
C201
U
3
7
U
3
8
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
+
C3
1
1
11
23
RT6
F24
F25
CR13
+
22
12
C19
1
R85
4
R188 R187
U13
C67
+
1
3
+
JP18
R51
R11
R135
R134
R133
A
C
BUZZER RESET
F26
D11
F35
C119
C198
D78
C159
D73
C
4
6
C
4
3
D59
D70
D61
D56
D67
DEBUG
BZ1
J21
F38
JF5-AB
C143
C174
R49
C173
C4
C160
C158
JP35
JP36
R222
JP18
JPI2C1
5
C84
T
O
P
S
C
4
4
+
R132
R128
C197
+
MB-A
+
+
F27
F28
F29
F30
JF6
8
5
MB-C
C200
J21
+
JF6-CD
C121
1
1
D66
D69
D63
D58
D60
D55
R224
4
JPW2
1
C199
C21
Figure D-3: Front Jumpers
Explanation of Jumpers
3
2
1
Connector
Pins
To modify the operation of the backplane,
jumpers can be used to choose between
optional settings. Jumpers create shorts
between two pins to change the function
of the connector. Pin 1 is identified with
a square solder pad on the printed circuit
board. Note: On two pin jumpers, "Closed"
means the jumper is on and "Open" means
Jumper
Setting
3
2
1
the jumper is off the pins.
Jumper Settings
Jumper
JP18
Jumper Settings
Notes
*Buzzer reset
Open: Buzzer disabled
1-2: Buzzer enabled (Default)
2-3: Test setting
Overheat Settings
Open: 45º Celsius
1-2: 50º Celcius (Default)
2-3: 55º Celcius
Backplane overheat settings
JP30
JP35
Open: Default
Closed: LED test
LED testing
Open: Default , multiple power
button functionality
Closed: Single power button
functionality
Any power button
JP36
JP69
FW upgrade connector
*The buzzer sound indicates that a condition requiring immediate attention has
occurred.
The backplane buzzer alarm is triggered by the following condition:
1. Backplane temperature over 45º, 50º or 55º Celsius, depending upon the
overheat setting selected. See the table above for details.
D-6
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Appendix D: SAS-827B Backplane Specifications
D-7 LED Indicators
D1
JP57
1
FAN4
JP30:
SPI
FAN2
4
C45
F13
4
4
1
F14
4
OPEN:45
1-2:50
C
JP69
FAN1
1
C
C
DEFAUL
T
BAR CODE
+
1
FAN3
2-3:55
F16
CR4
C269
JP54
JP56
JP55
C266
R217
R216
+
D1
A
R144
C
D74
CR6
SAS827B
D65
REV 1.01
DESIGNED IN USA
D79
TP1
C178
D57
TP3
TP2
MB-B
D76
D71
F15
R145
JP30
C39
44
34
33
C42
C48
C176
1
3
C177
JPW3
F31
F32
F33
F34
C203
8
5
F19
F20
F21
F22
TP5
D11
MB-D
F23
JP36:
OPEN:DEFAUL
C15
C58
T
JP35:
OPEN:DEFAUL
CLOSE:ANY POWER BUTTON
T
C
1
6
7
C
1
6
8
C115
JP18
CLOSE:LED TEST
JP36
JP35
C85
C201
U
3
7
U
3
8
OPEN:BUZZER DISABLE
1-2:BUZZER ENABLE
2-3:TEST
+
C3
1
1
11
23
RT6
F24
F25
CR13
+
22
12
C19
1
R85
4
R188 R187
U13
C67
+
1
3
+
JP18
R51
R11
R135
R134
R133
A
C
BUZZER RESET
F26
D11
F35
C119
C198
D78
C159
D73
C
4
6
C
4
3
D59
D70
D61
D56
D67
DEBUG
BZ1
J21
F38
JF5-AB
C143
C174
R49
C173
C4
C160
C158
R222
JPI2C1
5
C84
T
O
P
S
C
4
4
+
R132
R128
C197
+
MB-A
+
+
R69
F27
F28
F29
F30
JF6
8
5
MB-C
C200
+
JF6-CD
C121
1
1
D66
D69
D63
D58
D60
D55
R224
4
JPW2
1
C199
C21
Figure D-4: LEDs
LED Indicators
LED
State
Specification
Heartbeat LED: D1
Overheat LED: D11
Blinking Blinking heartbeat indicates backplane activity
Solid on Indicates an overheat condition
D-7
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SC827 Chassis Manual
D-8 Rear Connectors and LED Indicators
D21
D20
D25
D29
D14
D5
R177
R182
D28
D33
R174
R178
J3
J11
J17
J20
SAS
SAS
SAS D2
J20
SAS
SAS
C60
C2
L1
SAS
C52
SAS A2
J3
SAS B2
J11
#A2
#B2
C38
#C2
#D2
J17
C
D18
D19
D24
D23
#C1
R173
A
C
D13
D6
D27
D31
R95
R165
R148
A
J9
J19
J2
J15
SAS
SAS
SAS
SAS
SAS C1
SAS D1
SAS B2
J9
SAS A1
J2
#A1
#B1
#D1
J15
J19
C
D15
D8
R88
R164
D22
D30
A
C
D26
D32
D12
R179
A
SAS827T
REV 1.01
R155
J1
J4
J13
J18
SAS
#B0
SAS
#C0
SAS
SAS
#A0
SAS D0
J18
D7
#D0
SAS B0
J4
SAS C0
J13
SAS A0
J1
Figure D-5: Rear Connectors and LEDs
Rear SAS/SATA Connectors
Rear
SAS Drive
Number
Rear
Connector
SAS Drive
Number
Connector
SAS #A2
SAS #A1
SAS #A0
SAS #B2
SAS #B1
SAS #B0
SAS/SATA A2
SAS/SATA A1
SAS/SATA A0
SAS/SATA B2
SAS/SATA B1
SAS/SATA B0
SAS #C2
SAS #C1
SAS #C0
SAS #D2
SAS #D1
SAS #D0
SAS/SATA C2
SAS/SATA C1
SAS/SATA C0
SAS/SATA D2
SAS/SATA D1
SAS/SATA D0
Rear LED Indicators
Hard Drive Activity
Rear LED
SAS #A0
D12
D13
D14
D15
D18
D21
D22
D24
D25
D26
D27
D28
SAS #A1
SAS #A2
SAS #B0
SAS #B1
SAS #B2
SAS #C0
SAS #C1
SAS #C2
SAS #D0
SAS #D1
SAS #D2
D-8
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Appendix D: SAS-827B Backplane Specifications
SAS Ports
The SAS-827B backplane is designed with four separate sectors, which support
from one to four motherboards indepentdently of each other. The SAS ports are
used to connect the SAS drive cables. The 12 ports are designated A0, A1, A2, B0,
B1, B2, C0, C1, C2 and D0, D1, D2. Each port is also compatible with SATA drives.
Use the table below to determine the SAS port to motherboard configuration that
is appropriate for your system.
SAS Port to Motherboard Configurations
Number of
SAS Port
Connect to
Motherboards
Connectors
Motherboard
Using 1 MB
Using 2 MBs
A0, A1, A2
MB-A
A0, A1, A2
B0, B1, B2
MB-A
MB-B
Using 3 MBs
Using 4 MBs
A0, A1, A2
B0, B1, B2
C0, C1, C2
MB-A
MB-B
MB-C
A0, A1, A2
B0, B1, B2
C0, C1, C2
D0, D1, D2
MB-A
MB-B
MB-C
MB-D
Figure D-6: Motherboard Locations In the Chassis
D-9
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SC827 Chassis Manual
Disclaimer (cont.)
The products sold by Supermicro are not intended for and will not be used in life sup-
port systems, medical equipment, nuclear facilities or systems, aircraft, aircraft devices,
aircraft/emergency communication devices or other critical systems whose failure to per-
form be reasonably expected to result in significant injury or loss of life or catastrophic
property damage. Accordingly, Supermicro disclaims any and all liability, and should
buyer use or sell such products for use in such ultra-hazardous applications, it does so
entirely at its own risk. Furthermore, buyer agrees to fully indemnify, defend and hold
Supermicro harmless for and against any and all claims, demands, actions, litigation,
and proceedings of any kind arising out of or related to such ultra-hazardous use or
sale.
D-10
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