SUPER ® SC826 Chassis Series SC826TQ-R800UB SC826E1-R800UB SC826E2-R800UB SC826TQ-R800LP SC826TQ-R800RC2 (OEM) SC826E2-R800LP SC826E2-R800RC2 (OEM) SC826E1-R800LP SC826E1-R800RC2 (OEM) USER’S MANUAL 1.
SC826 Chassis Manual 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.
Preface Preface This manual is written for professional system integrators and PC technicians. It provides information for the installation and use of the SC826 chassis. Installation and maintenance should be performed by experienced technicians only. Supermicro’s SC826 chassis features a unique design, which is highly optimized for data storage applications. It is equipped with an 800W (redundant) high-efficiency power supply for superb power savings.
SC826 Chassis Manual Manual Organization Chapter 1: Introduction The introduction provides a checklist of the main components included with this chassis and describes the main features of the SC826 chassis. This chapter also includes contact information. Chapter 2: System Safety This chapter lists warnings, precautions, and system safety.
Preface Appendix A: This section references cables, which are compatible with your SC826 system. Refer to our Web site for additional information on cabling at www.supermicro.com. Appendix B: This chapter lists supported power supply information for your SC826 system. Refer to our Web site for additional details at www.supermicro.com. Appendix C: This section provides detailed information on the BPN-SAS-826TQ backplane. Additional information can by found on our Web site at www.supermicro.
SC826 Chassis Manual Table of Contents Chapter 1 Introduction 1-1 Overview ......................................................................................................... 1-1 1-2 Shipping List.................................................................................................... 1-1 1-3 Contacting Supermicro .................................................................................... 1-2 1-4 Returning Merchandise for Service ............................................
Preface Chapter 5 Rack Installation 5-1 Overview ......................................................................................................... 5-1 5-2 Unpacking the System .................................................................................... 5-1 5-3 Preparing for Setup ......................................................................................... 5-1 Choosing a Setup Location .............................................................................
Chapter 1: Introduction Chapter 1 Introduction 1-1 Overview Supermicro’s SC826 2U chassis features a unique and highly-optimized design. The chassis is equipped with high efficiency power supply. 1-2 Shipping List Please visit the following link for the latest shipping lists and part numbers for your particular chassis model http://www.supermicro.
SC826 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: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (Technical Support) Web Site: www.supermicro.com Europe Address: Super Micro Computer B.V. Het Sterrenbeeld 28, 5215 ML 's-Hertogenbosch, The Netherlands Tel: +31 (0) 73-6400390 Fax: +31 (0) 73-6416525 Email: sales@supermicro.
Chapter 1: Introduction 1-4 Returning Merchandise for Service A receipt or copy of your invoice marked with the date of purchase is required before 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.
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, familiar with common concepts and terminology.
SC826 Chassis Manual 2-4 Electrical Safety Precautions Basic electrical safety precautions should be followed to protect yourself from harm and the SC826 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.
Chapter 2: System Safety • 2-5 • • • • • 2-6 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 unconventional way. General Safety Precautions Keep the area around the chassis clean and free of clutter.
SC826 Chassis Manual • • • • • • 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. 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.
Chapter 3: System Interface Chapter 3 System Interface 3-1 Overview There are several LEDs on the control panel as well as others on the drive carriers to keep you constantly informed of the overall status of the system as well as the activity and health of specific components. Most SC826 models are two buttons on the control panel: a reset button and an on/off switch. This chapter explains the meanings of all LED indicators and the appropriate response you may need to take.
SC826 Chassis Manual 3-2 Control Panel Buttons There are two push-buttons located on the front of the chassis. These are (in order from left to right) a reset button and a power on/off button. • • 3-3 Reset: The reset button is used to reboot the system. Power: The main power switch is used to apply or remove power from the power supply to the server system. Turning off system power with this button removes the main power but keeps standby power supplied to the system.
Chapter 3: System Interface sure that the chassis covers are installed. Finally, verify that the heatsinks are • NIC2: Indicates network activity on GLAN2 when flashing. • NIC1: Indicates network activity on GLAN1 when flashing. • • HDD: Indicates IDE channel activity. SAS/SATA drive and/or DVD-ROM drive activity when flashing. Power: Indicates power is being supplied to the system's power supply units. This LED should normally be illuminated when the system is operating.
SC826 Chassis Manual 3-4 Drive Carrier LEDs Your chassis uses SAS or SATA, but not both at the same time. SAS/SATA Drives Each SAS/SATA drive carrier has two LEDs. • • Green: Each Serial ATA drive carrier has a green LED. When illuminated, this green 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 indicates a SAS/SATA drive failure.
Chapter 4: Chassis Setup and Maintenance Chapter 4 Chassis Setup and Maintenance 4-1 Overview This chapter covers the steps required to install components and perform maintenance on the chassis. The only tool you will need to install components and perform maintenance is a Phillips screwdriver, and under certain circumstances, a hex wrench. Print this page to use as a reference while setting up your chassis.
SC826 Chassis Manual 4-3 Removing the Chassis Cover 3 1 1 2 Remove this screw Release Tab Figure 4-1: Removing the Chassis Cover Removing the Chassis Cover the chassis cover: 1. Press the release tabs to remove the cover from the locked position. Press both tabs at the same time. 2. Once the top cover is released from the locked position, slide the cover toward the rear of the chassis. 3. Lift the cover off the chassis.
Chapter 4: Chassis Setup and Maintenance 4-4 Installing Hard Drives 2 2 Figure 4-2: Removing 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.
SC826 Chassis Manual Dummy Drive Drive Tray Figure 4-3: Chassis Drive Tray The drives are mounted in drive carriers to simplify their installation and removal from the chassis. These carriers also help promote proper airflow for the drive bays. ! Warning: Except for short periods of time (swapping hard drives), do not operate the server with the hard drives empty. 1 1 Figure 4-4: Removing Dummy Drive from Tray Installing a Hard Drive to the Hard Drive Tray 1.
Chapter 4: Chassis Setup and Maintenance SAS/SATA or SCSI Hard Drive Hard Drive Tray Use a Hard, Stable Surface when installing the Hard Drive Figure 4-5: Install SAS or SATA Drive to Hard Drive Tray 3. Place the hard drive tray on a flat, stable surface such as a desk, table, or work bench. 4. Slide the hard drive into the tray with the printed circuit board side facing down. 5. Carefully align the mounting holes in the hard drive and the tray.
SC826 Chassis Manual 4-5 Installing the Motherboard Riser Card Bracket (OEM ONLY) The SC826 R2 chassis include a riser card that accommodates three full height, full length and three low profile cards. This riser card must be removed before installing the motherboard. Removing the Riser Card: 1. Remove the chassis cover. 2. Locate the riser card that separates the motherboard compartment. 3. The riser card is held in place by three screws (two in the rear and one in the front). Remove these screws. 4.
Chapter 4: Chassis Setup and Maintenance I/O Shield Figure 4-6: I/O Shield Placement I/O Shield The I/O shield holds the motherboard ports in place. Install the I/O shield before you install the motherboard. Installing the I/O Shield 1. Review the documentation that came with your motherboard. Become familiar with component placement, requirements, and precautions. 2. Open the chassis cover. 3. With the illustrations facing the outside of the chassis, place the shield into the space provided.
SC826 Chassis Manual Figure 4-7: Chassis Standoffs Permanent and Optional Standoffs Standoffs prevent short circuits by securing space between the motherboard and the chassis surface. The SC826 chassis includes permanent standoffs in locations used by most motherboards. These standoffs accept the rounded Phillips head screws included in the SC826 accessories packaging. Some motherboards require additional screws for heatsinks, general components and/or non-standard security.
Chapter 4: Chassis Setup and Maintenance Installing the Motherboard Installing the Motherboard 1. Review the documentation that came with your motherboard. Become familiar with component placement, requirements, precautions, and cable connections. 2. Open the chassis cover. 3. As required by your motherboard, install standoffs in any areas that do not have a permanent standoff. To do this: a. Place a hexagonal standoff screw through the bottom the chassis. b.
SC826 Chassis Manual Add-on Card Setup (SC826 RC chassis - OEM Only) SC826 chassis RC models allow for up to 3 full height/full length card slots. RC2 allows up to 3 full height/full length card slots and up to 3 low profile cards slots. Butterfly Bracket "L" Bracket Figure 4-8: 3 Full Height/Full Length with 3 Low Profile Slot Butterfly Bracket (Rear View) To install add-on to an RC version chassis: 1. Confirm that the motherboard was installed correctly. 2.
Chapter 4: Chassis Setup and Maintenance Figure 4-9: 3 Full Height/Full Length with 3 Low Profile Slot 4-11
SC826 Chassis Manual Add-on Card Setup (SC826 LP Chassis) SC826 chassis provides seven low profile add-on card slots. Add-on/Expansion Card Slots Figure 4-10: SC826 LP model Installing Add-on Cards in the Sc826lp (Low Profile) Chassis: 1. Disconnect the power supply, lay the chassis on a flat surface, and open the chassis cover. 2. Remove the screw holding the cover in place for each low profile add-on/expansion card slot you want to use. Keep this screw for later use. 3.
Chapter 4: Chassis Setup and Maintenance 4-6 Installing the Air Shroud Figure 4-11: Air Shroud for SC826LP Chassis Air shrouds concentrate airflow to maximize fan efficiency. The SC826 chassis air shroud does not require screws to set up. Installing the Air Shroud 1. Lay the chassis on a flat, stable surface and remove the chassis cover. 2. If necessary, move any cables that interfere with the air shroud placement. 3. Place the air shroud in the chassis.
SC826 Chassis Manual 4-7 Checking the Air Flow Figure 4-12: Air Shroud in place SC826LP Chassis Checking the Server's Air Flow 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 air flow through the chassis.
Chapter 4: Chassis Setup and Maintenance Installation Complete In most cases, the chassis power supply and fans are pre-installed. If you need to install fans continue to the Systems Fan section of this chapter. If the chassis will be installed into a rack, continue to the next chapter for rack installation instructions.
SC826 Chassis Manual 4-8 System Fans Three heavy duty fans provide cooling for the chassis. These fans circulate air through the chassis as a means of lowering the chassis internal temperature. Release Tab Figure 4-13: System Fan Replacing a System Fan 1. If necessary, open the chassis while the power is running to determine which fan requires changing. (Never run the server for an extended period of time with the chassis open.) 2. Turn off the power to the system and unplug the system from the outlet.
Chapter 4: Chassis Setup and Maintenance Figure 4-14: Placing the System Fan 4-17
SC826 Chassis Manual 4-9 Power Supply Depending on your chassis model, the SC826 Chassis has a 800 watt 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. Release Tab Figure 4-15: Removing the Power Supply Changing the Power Supply 1.
Chapter 4: Chassis Setup and Maintenance Figure 4-16: Replacing the Power Distributor Power Distributor Server chassis that are 2U or more high require a power distributor. The power distributor provides failover and power supply redundancy. Changing the Power Distributor 1. Power down the server and remove the plug from the wall socket or power strip. 2. Remove all cable connections to the power supply from the motherboard, backplane, and other components. Also, remove both power supplies. 3.
SC826 Chassis Manual 4-10 Optional Front Bezel The SC826 chassis supports an optional full-face locking front bezel for added security. The front bezel is not included with the SC826 chassis, but can be ordered seperately by visiting the Supermicro Web site at www.supermicro.com, clicking on the Where to Buy link and referencing part number MCP-210-82601-0B.
Chapter 6: Rack Installation Chapter 5 Rack Installation 5-1 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 minimum amount of time. 5-2 Unpacking the System 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 you should file a damage claim with the carrier who delivered it.
SC826 Chassis Manual ! • 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 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.
Chapter 6: Rack Installation 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).
SC826 Chassis Manual 5-4 Rack Mounting Instructions This section provides information on installing the SC826 chassis into a rack unit with the rails provided. There are a variety of rack units on the market, which may mean the assembly procedure will differ slightly. 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" and 33.5" deep.
Chapter 6: Rack Installation 2 1 Figure 5-2. Identifying the Sections of the Rack Rails (right side rail shown) The Inner Rail Extension The inner rails are pre-attached and do not interfere with normal use of the chassis if you decide not to use a server rack. Attach the inner rail extension to stabilize the chassis within the rack. If you are not using a rack, you do not have to install the inner rail extensions. Installing the Inner Rails 1.
SC826 Chassis Manual Secure to the Front of the Rack Attach Outer Racks together Secure to the Rear of the Rack Figure 5-3. Assembling the Outer Rails Outer Rack Rails Outer rails attach to the server rack and hold the server in place. The outer rails for the SC826 chassis extend between 30 inches and 33 inches. Installing the Outer Rails to the Rack 1. Attach the short bracket to the outside of the long bracket. You must align the pins with the slides.
Chapter 6: Rack Installation C B A Figure 5-4: Installing the Rack Rails Installing the Chassis into a Rack 1. Confirm that chassis includes the inner rails (A) and rail extensions (B). Also, confirm that the outer rails (C) are installed on the rack. 2. Line chassis rails (A and B) with the front of the rack rails (C). 3. 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).
SC826 Chassis Manual Notes 5-8
Appendix A: Chassis Cables Appendix A SC826 Chassis Cables A-1 Overview This appendix lists supported cables for your chassis system. It only includes the most commonly used components and configurations. For more compatible cables, refer to the manufacturer of the motherboard you are using and our Web site at: www.supermicro.com.
SC826 Chassis Manual A-3 Compatible Cables These cables are compatible with the SC826 Chassis. Alternate SAS/SATA Cables Some compatible motherboards have different connectors. If your motherboard has only one SAS connector that the SAS/SATA cables must share, use one of the following cables. These cables must be purchased separately. Cable Name: SAS Cable Quantity: 1 Part #: CBL-0175L Alt.
Appendix A: Chassis Cables Extending Power Cables Although Super Micro chassis are designed to be efficient and cost-effective, some compatible motherboards have power connectors located in different areas. To use these motherboards you may have to extend the power cables to the mother boards. To do this, use the following chart as a guide. Power Cable Extenders Number of Pins Cable Part # Length 24 pin CBL - 0042 7.9”(20 CM) 20 pin CBL - 0059 7.9”(20 CM) 8 pin CBL - 0062 7.
SC826 Chassis Manual Notes A-4
Appendix B: Power Supply Specifications Appendix B SC826 Power Supply Specifications This appendix lists power supply specifications for your chassis system. SC826 800W MFR Part # PWS-801-1R Rated AC Voltage 100 - 240V 50 - 60Hz 10 - 4 Amp +5V standby 4 Amp +12V 66 Amp +5V 30 Amp +3.3V 24 Amp -12V 0.
SC826 Chassis Manual Notes B-2
Safety Information and Technical Specifications Appendix C BPN-SAS 826TQ 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. C-1 ESD Safety Guidelines Electric Static Discharge (ESD) can damage electronic components. To prevent damage to your system, it is important to handle it very carefully. The following measures are generally sufficient to protect your equipment from ESD.
SAS 826TQ Backplane Specifications Jumper Settings and Pin Definitions C-4 Front Connectors and Jumpers 2 9071 RST JP88 ALARM#1 C A JP87 JP86 JP101 JP84 JP102 JP85 JP89 JP91 9072 RST JP50 JTAG#2 JP35 JP90 JP82 JP93 BAR CODE D53 JP83 D54 U2 UPGRADE#2 5 #8 JP18 +12V +5V GND GND +12V JP68 ACT9 ACT8 1 ACT4 ACT0 ACT5 ACT1 JP65 ACT7 ACT6 ACT2 ACT3 SIDEBAND#1 JP66 J5 #3 #6 9 SIDEBAND#2 J8 J14 6 ACT11 JP75 JP74 J23 #9 JP47 ACT10 JP45 SIDEBAND#3 I2C#1
Safety Information and Technical Specifications C-5 Front Connector and Pin Definitions #1. Activity LED Header The activity LED header, designated JP26 and JP47, is used to indicate the activity status of each SAS drive. The Activity LED Header is located on the front panel. For the Activity LED Header to work properly, connect using a 10-pin LED cable.
SAS 826TQ Backplane Specifications #6. Backplane Main Power Connectors Backplane Main Power 4-Pin Connector (JP10, JP13, and JP46) The 4-pin connectors, designated JP10, JP13, and JP46 provide power to the backplane. See the table on the right for pin definitions. Pin# Definition 1 2 and 3 4 #7/#8/#9. Sideband Headers The sideband headers are designated JP66, JP68, and JP75. For SES-2 to work properly, you must connect an 8-pin sideband cable. See the table to the right for pin definitions. #10-#21.
Safety Information and Technical Specifications C-6 Front Jumper Locations and Pin Definitions JP89 JP87 JP86 JP101 JP84 JP102 JP85 JP88 JP47 JP68 ACT8 ACT9 JP45 SIDEBAND#2 JP67 #1 ACT_IN#0-7 ACT4 ACT5 I2C#1 JP65 ACT7 ACT6 JP26 JP74 I2C#2 ACT_IN#8-11 ACT11 ACT0 ACT1 ACT2 ACT3 SIDEBAND#1 JP66 SIDEBAND#3 #4 ACT10 JP75 JP10 A D36 ALARM#2 1 JP37 +12V JP74 JP46 GND J6 GND JP67 +5V JP95 +12V D54 #2 J10 GND #7 I2C#3 D53 J7 J12 J16 GND JP87 JP83 JP65 C J
SAS 826TQ Backplane Specifications I2C and SGPIO Modes and Jumper Settings This backplane can utilize I2C or SGPIO. I2C is the default mode and can be used without making changes to your jumpers. The following information details which jumpers must be configured to use SGPIO mode or restore your backplane to I2C mode.
Safety Information and Technical Specifications SGPIO Setting Jumper Jumper Setting Note JP65 1-2 Blackplane ID SDIN #1 JP67 1-2 Blackplane ID SDIN #2 JP74 1-2 Blackplane ID SDIN #3 JP83 Open I2C Reset #1 JP84 1-2 Controller ID #1 JP85 1-2 Backplane ID #1 JP86 Open I2C Reset #2 JP87 Closed I2C Reset SDOUT #1 JP88 Closed I2C Reset SDOUT #2 JP89 Open I2C Reset #3 JP90 1-2 Controller ID #3 JP91 1-2 Backplane ID #3 JP93 Closed I2CRST_SDOUT #3 JP101 1-2 Controller ID #
SAS 826TQ Backplane Specifications SAS Port Connections in I2C and SGPIO Settings Use the following chart when connecting this backplane. If you connect the SAS ports out of order, you will not able to easily identify drives using the LED function.
Safety Information and Technical Specifications FRONT LED INDICATORS 9071 RST JP88 ALARM#1 A C JP87 JP86 JP101 JP84 JP102 JP85 JP89 JP91 9072 RST JP50 JTAG#2 JP35 JP90 JP82 JP93 BAR CODE D53 JP83 D54 U2 J7 J12 J22 J25 #8 #11 #5 BZ1 #2 BUZZER RESET JP78 UPGRADE#2 JP18 J6 A J10 J16 J24 C D36 ALARM#2 +5V +12V GND GND +12V +5V GND GND +12V #1 #4 I2C#2 ACT_IN#8-11 ACT_IN#0-7 JP47 ACT4 ACT9 ACT11 ACT10 ACT0 ACT1 I2C#1 ACT2 JP65 ACT7 ACT3 SIDEBAN
SAS 826TQ Backplane Specifications SAS #8 SAS/SATA HHD #8 SAS/SATA HHD #3 SAS #9 SAS/SATA HHD #9 SAS #4 SAS/SATA HHD #4 SAS #10 SAS/SATA HHD #10 SAS #5 SAS/SATA HHD #5 SAS #11 SAS/SATA HHD #11 Rear LED Indicators Hard Drive Activity Failure LED SAS #0 D12 D5 SAS #1 D13 D6 SAS #2 D14 D7 SAS #3 D15 D8 SAS #4 D18 D19 SAS #5 D21 D20 SAS #6 D22 D23 SAS #7 D24 D29 SAS #8 D25 D30 SAS #9 D26 D31 SAS #10 D27 D32 SAS #11 D28 D33 C CA A C CA A C CA A C CA A C CA A C
Safety Information and Technical Specifications Appendix D BPN-SAS-826EL 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 Electric Static Discharge (ESD) can damage electronic components. To prevent damage to your system, it is important to handle it very carefully. The following measures are generally sufficient to protect your equipment from ESD.
Appendix D SAS 826EL Backplane Specifications 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.
Appendix D SAS 826EL Backplane Specifications Backplane Jumpers, Connectors, LEDs, and Pin Definitions D-4 Front Connectors and Jumpers 1 1 8 9 3 2 +5V GND GND +12V GND 4 4 5 +5V GND +5V +12V GND GND +12V JP13 2 SAS826EL REV 1.00 6 6 10 3 6 7 SC 826 EL2 Backplane Front Connectors 1. Primary and Secondary I2C connectors (four connectors total) 8. Primary SAS Connectors: PRI_J1 9. Secondary SAS Connectors: SEC_J0 (not available in EL1 single port backplane) 2.
Safety Information and Technical Specifications D-5 Front Connector and Pin Definitions 1. Primary and Secondary I2C Connectors The I C Connectors are used to monitor hard drive activity and status through LED. See the table on the right for pin definitions. There are four total connectors--two primary and two secondary. I2C Connector Pin Definitions 2 These connectors are optional and should only be used by qualified technicians. 2.
Appendix D SAS 826EL Backplane Specifications 5. Backplane Main Power Connectors The 4-pin connectors, designated PWR0, PWR1, and PWR3, provide power to the backplane. See the table on the right for pin definitions. Backplane Main Power 4-Pin Connector (PWR0, PWR1, and PWR3) Pin# Definition +12V 1 2 and 3 4 6. Fan Connectors The 3-pin connectors, designated Fan1, Fan2, and Fan3, provide power to the fans. See the table on the right for pin definitions. 7-10. SAS Ports SAS port connectors.
Safety Information and Technical Specifications D-6 Front Jumper Locations and Pin Definitions PRI_Mode4 SEC_Mode4 Remote Fan Fail Socket +5V +5V GND GND +12V GND GND GND JP13 +12V +5V GND GND +12V GND +5V SAS826EL REV 1.00 +12V Buzzer Enable +5V GND GND +5V +12V GND GND +12V JP13 Explanation of Jumpers 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.
Appendix D SAS 826EL Backplane Specifications General Jumper Settings Jumper Jumper Settings Note PRI_MODE4 1-2 Factory Setting Do not change SEC_MODE4 1-2 Factory Setting Do not change BUZZER_ENB1 Open: Disable Closed: Enable Buzzer Enable Socket Settings Socket REMOTE_FAN_FAIL_ SOCKET Socket Setting Note Front Panel Fan Fail indicator (Optional) Connected D-6
Safety Information and Technical Specifications Front LED Indicators FAN FAIL LED 12V_LED 5V_LED OVERHEAT LED +5V GND GND +12V +5V GND GND +5V +12V GND GND +12V SAS826EL JP13 REV 1.00 SAS826EL REV 1.00 Backplane LEDs LED STATE SPECIFICATION OVERHEATFAIL1 ON Overheat or Drive Failure FANFAIL1 ON Failure in System Fans 5V OFF Backplane power failure. Light is on during normal operation. 12V OFF Backplane power failure. Light is on during normal operation.
Appendix D SAS 826EL Backplane Specifications SAS HDD #0 SAS #6 SAS HDD #6 SAS #1 SAS HDD #1 SAS #7 SAS HDD #7 SAS #2 SAS HDD #2 SAS #8 SAS HDD #8 SAS #3 SAS HDD #3 SAS #9 SAS HDD #9 SAS #4 SAS HDD #4 SAS #10 SAS HDD #10 SAS #5 SAS HDD #5 SAS #11 SAS HDD #11 Rear LED Indicators Hard Drive Activity Failure LED SAS #0 Rear LED ACT #0 FAIL #0 SAS #1 ACT #1 FAIL #1 SAS #2 ACT #2 FAIL #2 SAS #3 ACT #3 FAIL #3 SAS #4 ACT #4 FAIL #4 SAS #5 ACT #5 FAIL #5 SAS #6 ACT #6
Safety Information and Technical Specifications Dual Port and Cascading Configurations D-8 Single and Dual Port Expanders Single Ports SC 826EL1 backplanes have a single-port expander that access all 12 drives and supports cascading. Dual Ports SC 826EL2 backplanes have dual-port expanders that access all 12 drives. These dual-port expanders support cascading, failover, and recovery.
Appendix D SAS 826EL Backplane Specifications D-9 Failover The 826EL2 Backplane has two expanders which allow effective failover and recovery. Single Host Bus Adapter SAS HBA In a single host bus configuration, the backplane connects to one Host Bus Adapter (HBA). Port B Expander 2 Single Host Bus Adapter Failover Port A Expander 1 SAS HBA If the Expander or data path in Port A fails, the system will automatically fail over to Port B.
Safety Information and Technical Specifications D-10 Cables and Chassis Power Card Chassis Power Card In a cascaded configuration, the first chassis includes a motherboard and, at least one, Host Bus Adapter (HBA). Other servers in this enclosed system include a power card. This section describes the supported power card for the 826 backplane system. For more information, see the PCC-JBPWR2 power card manual. This manual a can be found at the http://www.supermicro.
Appendix D SAS 826EL Backplane Specifications Connecting an Internal Host Bus Adapter to the Backplane The following section lists the most common cables used to connect the HBA to the backplane. HBA (Host Bus Adapter) Single Internal Host Bus Adapter HBA HBA (Host Bus Adapter) (Host Bus Adapter) Dual Internal Host Bus Adapter Supported Internal HBA to Backplane Cables Use the following listed cables to create connections between the internal HBA and backplane.
Safety Information and Technical Specifications Cable Name: SFF-8087 (mini SAS) TO SFF-8087 (mini SAS) Part #: CBL-0108L-02 Length: 39 cm (15 inches) Part #: CBL-0109L-02 Length: 22 cm (9 inches) Part #: CBL-0110L-02 Length: 18 cm (7 inches) Description: This cable has an ipass (SFF-8087/mini-sas) connector (36 pins) at each end. It connects from the HBA to the 826 EL backplane.
Appendix D SAS 826EL Backplane Specifications Connecting an External Host Bus Adapter to the Backplane This backplane supports external Host Bus Adapters. In this configuration, the HBA and the backplane are in different physical chassis. This allows a JBOD (Just a Bunch Of Drives) configuration from an existing system.
Safety Information and Technical Specifications Supported External HBA to Backplane Cable Use the following cable if your external HBA has an Infiniband connector. Cable Name: SAS InfiniBand to Mini SAS X4 1M cable, PBF Part #: CBL-0200L Length: 1 meter Description: This cable has an Infiniband connector (SFF-8470) on one end and an SFF-8088-1X (26-pins) at the other end.
Appendix D SAS 826EL Backplane Specifications Connecting Multiple Backplanes in a Single Channel Environment This section describes the cables used when cascading from a single HBA. These connections use CBL-0167L internal cables and CBL-0166L external cables.
Safety Information and Technical Specifications Single HBA Configuration Cables Single Port Cable Assembly Cable Name: SAS EL2/EL1 Backplane Cable (Internal) w/ 2-port Cascading Cable, 68 cm Part #: CBL-0167L (SFF-8087 to SFF-8088 x1) Ports: Single Placement: Internal cable Description: Internal cable. Connects the backplane to the Host Bus Adapter (HBA) or external port. Used in single port environments.
Appendix D SAS 826EL Backplane Specifications Connecting Multiple Backplanes in a Dual Channel Environment HBA HBA Cable 0168L with Single Port Assembly (internal cable) (Host Bus Adapter) (Host Bus Adapter) Cable 0166L (external cable) Power Card D-18
Safety Information and Technical Specifications Dual HBA Configuration Cables Dual Port Cable Assembly Cable Name: SAS Dual-port Cable Assembly, 68/76cm Part #: CBL-0168L (SFF-8087 to SFF-8088 x2 Ports: Dual Placement: Internal cable Description: Internal cascading cable. Connects the backplane to the Host Bus Adapter (HBA) or external port. Used in Dual port environments.
Appendix D SAS 826EL Backplane Specifications D-11 Supported Cascading Configuration Cascading allows the system to access data at a faster rate by allowing several backplanes to share resources to reduce latency time. The first backplane in a cascaded system requires a motherboard and HBA. Other servers require a power control card, not a motherboard and HBA. For more information, see the 826 Chassis Manual.
Safety Information and Technical Specifications Server System with Dual SAS HBA and Cascading C.
Appendix D SAS 826EL Backplane Specifications Notes D-22