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Supermicro SuperChassis 826E16-R500LPB

1. Figure D 4 Front LEDs Backplane LEDs LED State Specification OVERHEATFAIL1 On Overheat or drive failure FANFAIL1 On Failure in system fans Backplane power failure Light is on 5V Off during normal operation Backplane power failure Light is on 12V off f during normal operation D 7 SC826 Chassis Manual D 8 Rear Connectors and LED Indicators ACT 2 FeAl ACT 5 _FAIL 4P ACT 11 Ln rae ACTA FAIL 3 Met Figure D 5 Rear Connectors and LEDs Rear SAS Connectors Rear SAS Drive Rear SAS Drive Connector Number Connector Number SAS 0 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 Rear LED Hard Drive Activity Failure LED SAS 0 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 FAIL 6 SAS 7 ACT 7 FAIL 7 SAS 8 ACT 8 FAIL 8 SAS 9 ACT 9 FAIL 9 SAS 10 ACT 10 FAIL 10 SAS 11 ACT 11 FAIL 11 D 8 Appendix D SAS 826EL Backplane Specifications Dual Port and Cascading Configurations D 9 Single and Dual Port Expanders Sin
2. If the expander or data path in Port A fails the system will automatically fail over to Port B TE iC EO Port B Port A Expander 2 Expander 1 Dual Host Bus Adapter SAS HBA In a dual host bus configuration the SAS HBA backplane connects to two host bus adapters he T Port B Port A Expander 2 Expander 1 SAS HBA If the expander or data path in Port SAS HBA A fails the system will automatically fail over to Port B This maintains a Dual Host Bus Adapter Failover full connection to all drives T IL F Port B Port A Expander 2 Expander 1 D 10 Appendix D SAS 826EL Backplane Specifications D 11 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 Other servers in this enclosed system include a power card This section describes the supported power card for the SAS 826EL backplane system For more information visit the Supermicro Web site at http www supermicro com oo 27 pef on e E E oOo Oo o Oo o B ome o 0 oOo O O O O O O oOo O O SUPERG JBPWR2 wno cae OOO00000000 0000000000 Figure D 7 The JBPWR2 Power Card Power Card Part Number Part Type Where Used Allows the chassis to be in a CSE PTJBOD
3. Primary debug connector EX PDGB1 for manufacturer s use only Primary debug connector EX PDGB2 for manufacturer s use only Not present on SAS2 826 EL1 SC826 Chassis Manual F 7 Front Connector and Pin Definitions 1 EPP Ports The EPP ports are used for manufacturer di agnostic purposes only 2 Primary and Secondary Expander Chips This primary and secondary expander chips allow the backplane to support dual port cas cading and failover configurations 3 Backplane Main Power Connectors Backplane Main Power The 4 pin connectors designated PWR1 4 Pin Connector PWR2 and PWR3 provide power to the Pin Definition backplane See the table on the right for pin 1 12V definitions 2and3 Ground 4 5V 4 Fan Connectors Fan Connectors The 3 pin connectors designated Fan1 Fan2 and Fan3 provide power to the fans See the ai Definition table on the right for pin definitions 1 Ground 2 12V 3 Tachometer 5 8 SAS Ports Primary and secondary SAS ports 9 10 UART Connectors Primary and secondary UART connectors For manufacturer s use only Secondary connector is not present on SAS2 826EL1 11 12 MDIO Connectors Primary and secondary MDIO connectors For manufacturer s use only Secondary connector is not present on SAS2 826EL1 13 14 Debug Connectors Primary and secondary debug connectors For manufacturer s use only Secondary
4. 1 Data 2 Ground 3 Clock 4 No Connection Appendix C SAS 826TQ Backplane Specifications 6 Backplane Main Power Connectors Backplane Main Power The 4 pin connectors designated JP10 4 Pin Connector JP13 and JP46 provide power to the Pin Definition backplane See the table on the right for 1 12V pin definitions 2 and 3 Ground 4 5V 7 8 9 Sideband Headers Sideband Headers SGPIO is the default mode setting The sideband headers are designated JP66 ae eono ie See 2 SGPIO 1 Controller JP68 and JP75 For SES 2 to work prop SDIN ID SB6 erly you must connect an 8 pin sideband PC i Backplane cable See the table to the right for pin Addressing definitions 4 SGPIO 3 GND SB2 SDOUT C Reset 6 GND SB3 5 SGPIO SLOAD PC SDA 8 Backplane it SGPIO ID SB7 SCLOCK 12C SCL 10 No Connec 9 No Connec tion tion 10 21 SAS Ports The SAS ports are used to connect the SAS drive cables The 12 ports are designated 0 11 Each port is also compatible with SATA drives C 5 SC826 Chassis Manual C 7 Front Jumper Locations and Pin Definitions wO P JP35 BA ep big Hoo 00 best al a SRSA iE Figure C 3 Front Jumpers Explanation of Jumpers ad Connector To modify the operation of
5. 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 4 3 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 Figure 4 4 Removing the Dummy Drive from the Drive Tray Installing a Hard Drive to the Hard Drive Tray 1 Remove the two screws connecting the drive tray to the carrier 2 Remove the tray from the carrier 4 4 Chapter 4 Chassis Setup and Maintenance SAS SATA Hard Drive Hard Drive Tray Use a Hard Stable Surface when installing the Hard Drive Figure 4 5 Installing 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 Make sure the bottom of the hard drive and bottom of the hard drive tray are flush 6 Secure the hard drive using all six screws 7 Replace the dri
6. an SFF 8088 1X 26 pin connector at the other end F 16 Appendix F SAS2 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 Single HBA Configuration CBL 0167L with Single Port Assembly internal cable l l CBL 0166L l external cable Figure F 12 Single HBA Configuration F 17 SC826 User s Manual Single HBA Configuration Cables Single Port Cable Assembly Figure F 13 The CBL 0167L Cable 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 or external port Used in single port environments Figure F 14 The CBL 0166L Cable Cable Name SAS EL2 EL1 Cascading Cable External 68 cm Part CBL 0166L SFF 8088 1x to SFF 8088 x1 Ports Single or Dual Placement External cable Description External cascading cable Connects ports between servers With most connectors use one cable for single port connections and two cables for dual port connections F 18 Appendix F SAS2 826EL Backplane Specifications Connecting Multiple Backpla
7. full length FH Full height half length 1 2 Chapter 1 Introduction 1 3 Contacting Supermicro Headquarters Address Tel Fax Email Web Site Europe Address Tel Fax Email Asia Pacific Address Tel Fax Web Site Super Micro Computer Inc 980 Rock Ave San Jose CA 95131 U S A 1 408 503 8000 1 408 503 8008 marketing supermicro com General Information support supermicro com Technical Support www supermicro com Super Micro Computer B V Het Sterrenbeeld 28 5215 ML s Hertogenbosch The Netherlands 31 0 73 6400390 31 0 73 6416525 sales supermicro nl General Information support supermicro nl Technical Support rma supermicro nl Customer Support Super Micro Computer Inc 4F No 232 1 Liancheng Rd Chung Ho 235 Taipei County Taiwan R O C 886 2 8226 3990 886 2 8226 3991 www supermicro com tw Technical Support Email Tel support supermicro com tw 886 2 8226 5990 1 3 SC826 Chassis Manual 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
8. handling charges will be applied for all orders that must be mailed when service is complete For faster service RMA authorizations may be requested online http www 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 4 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 the order given should enable you to have your chassis set up and operational within a minimal amount of time This quick setup assumes that you are an experienced technician familiar 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
9. 1 JP35 z Closed Reset JP50 Open Default MG9071 Chip Reset 2 Closed Reset Open Default Buzzer Reset oes Closed Reset The buzzer sound indicates than an overheat condition a fan failure or a drive failure has occurred E 6 Appendix E SAS 826A Backplane Specifications C and SGPIO Modes and Jumper Settings This backplane can utilize C or SGPIO SGPIO is the default mode and can be used without making changes to your jumpers The following information details which jumper must be configured to use SGPIO mode or restore your backplane to I7C mode Jumper Settings SGPIO Default and IC Jumper SGPIO Default Setting PC Setting JP84 1 2 SGPIO mode enable 2 3 C mode enable E 7 SC826 Chassis Manual Front LED Indicators D53 O 6A on a Os Oo 2 Alarm pee a ae SE o ar E eF gr ext z ECD D p i Alarm2 O EID ameo ge 222 Cy oY mp O RP l P OO a ae Figure E 3 Front LEDs Front Panel LEDs LED State Specification Alarm 1 D3 On Overheat drive failure in Channel 1 will activate the buzzer Alarm 2 D36 On Overheat drive failure in Channel 2 will activate the buzzer D53 On Indicates 5V power Light is on during normal operation D54 On Indicates 12V p
10. 1 1 Overview Supermicro s SC826 chassis maximizes the storage capacity of a 2U form factor by offering 12 hot swappable hard drive bays for extra storage The chassis design optimizes every aspect of interior space without compromising superior cooling It is also equipped with a redundant 800W high efficiency power supply for superb power savings 1 2 Shipping List Please visit the following the Supermicro Web site for the latest shipping lists and part numbers for your particular chassis model at http www supermicro com prod ucts chassis 1U chs 826 Model CPU HDD I O Slots Aeri Serene DP UP 12x SAS SATA 7x LP PA C826E16 R1200UB DP UP 12x SAS SATA nah Ae a a Spade DP UP 12x SAS SATA 7x LP eee i SC826E26 R1200UB DP UP 12x SAS SATA ae j E ee ni e S taxsas sava uio 3x C200 Sonera Raie OPP 12xSAS SATA 7xLP posindant C826TQ R800UB DP UP 12x SAS SATA ior ae ieee i 1 1 SC826 Chassis Manual 12x SAS SATA 800W SC826E1 R800LPB DP UP 1x 28 Port SAS 7x LP Redundant Expander 12x SAS SATA 800W SC826E1 R800UB DP UP 1x 28 Port SAS 4 FF 3 LP Redundant Expander 12x SAS SATA 800W SC826E2 R800LPB DP UP 2x 28 Port SAS 7x LP Redundant Expander 12x SAS SATA 7x LP 4x FF 800W SC826E2 R800UB DP UP 2x 28 Port SAS 1x UIO 3x Redundant Expander EP Legend DP Dual processor support UP Single processor support LP Low profile FF Full height
11. 3 Front Jumpers Explanation of Jumpers Connector e e To modify the operation of the backplane sd jumpers can be used to choose between optional settings Jumpers create shorts between two pins to change the function Jumper of the connector Pin 1 is identified with a square solder pad on the printed circuit board Nels On ma pin jumpers Closed Saana D means the jumper is on and Open means the jumper is off the pins D 5 SC826 Chassis Manual General Jumper Settings Jumper Jumper Settings Note PRI_MODE4 4 2 Factory setting z do not change SEC_MODE4 4 2 Factory setting do not change Open Disable Buzzer disabled BUZZHER ENDI Closed Enable Buzzer enabled The buzzer sound indicates that a condition requiring immediate attention has occurred The buzzer alarm is triggered by the following conditions 1 Hard drive failure 2 Fan failure 3 System temperature over 45 Celsius Socket Settings Socket Socket Setting Note REMOTE_FAN_FAIL_ Open Front panel fan fail indicator SOCKET P optional D 6 Appendix D Backplane Specifications Front LED Indicators Fan Fail LED 12V_LED 5V_LED Bop Fa REMOTE FAN FAL SCOKET od omy EA TOA aa ooooo0oo000000 ooo0oo0oo0000000 Overheat LED cof _ fs
12. 4 SAS SATA DVE S ireren n aae irae En AEETI NEAS ER gas eee ay 3 4 Chapter 4 Chassis Setup and Maintenance 4 1 OVETVIEW oiana a a a a E 4 1 4 2 Installation Proced reS ss ierinnseiti iniii a i 4 1 4 3 Removing the Chassis Cover ccccccccceceeeneeeeeeeceeeeeeaeeeeeeeeaeeeeeeeeeeeeesseaees 4 2 44A installing Hardi DrVe Suarri iniisa nna NE 4 5 Installing the Motherboard Riser Card Bracket QOEM ONLY nensniiuiiene asirasa 4 6 VO SIMONA E ae EA EEA T EAEE EE 4 7 Permanent and Optional StandoffS inisiasi i 4 8 Installing the Moth rbOa rn srisiisisiean niaaa ain 4 9 Add on Card Setup SC826 RC chassis OEM Only 4 10 Add on Card Setup SC826 LP Chassis 4 6 ilnstalling the Air Shroud isiingie een aae 4 7 Checking the Air POW vecectesesccsctes eters eeensersencineeaciassepeesice E A ay ease 4 8 System MaintenanCe iorns hee elie SV SUC IMUM ANS oa cece A T E toewp eyes E EE E tocarer acest eaemeerancanuees Power SUPDIY sorina ean A AR ceases Optional Front Bezel Preface Chapter 5 Rack Installation 5 1 5 2 5 3 5 4 5 6 QVEIVIOW sctsiceestecvecsecvsencesectderceteendeasscchoseesnadecs odiveverindandesdanaeitecsaecedeecntebcanteneab 5 1 Unpacking the Syste sasien sea ATEAC AEE 5 1 Preparing for SetU inrsin eel ane E 5 1 Choosing Setup LocatoMissrriuiorsporsdseda aiana aE 5 1 Warnings and Precautions asniiisaiieea iata a eee Ma ee 5 2 FRAGCK Precaution Spose si sn caepuwsenesicensanicentesvsunsa
13. 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 Figure 5 2 Extending and Releasing the Inner Rail 5 5 SC826 Chassis Manual Inner Rails Figure 5 3 Installing the Inner Rails Figure 5 4 Inner Rails Installed on the Chassis The illustrations above are an example the 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 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 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 Secure the inner rail to the chassis with the screws provided Repeat steps 1 through 4 above for the other inner rail 5 6 Chapter 5 Rack Installation Deuces Figure 5 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 fron
14. 826A backplane Make sure that the SAS 826A backplane is securely and properly installed on the motherboard to prevent damage to the system due to power shortage E 1 SC826 Chassis Manual E 3 An Important Note to Users e 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 E 4 Introduction to the SAS 826A Backplane The SAS 826A 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 826A Revision 1 00 the most current release available at the time of publication Always refer to the Supermicro Web site at www supermicro com for the latest updates compatible parts and supported configurations E 2 Appendix E SAS 826A Backplane Specifications Jumpers and Pin Definitions E 5 Front Connectors and Jumpers Figure E 1 Front Connectors Front Connectors 1 ACT_IN JP26 and JP47 7 SAS IN 1 JSM1 2 Chips MG9071 and MG9072 8 SAS IN 2 JSM2 3 PC Connector 1 JP37 9 SAS IN 3 JSM3 4 C Connector 2 JP95 10 Upgrade Connectors JP69 and 5 PC Connector 3 JP52 JP78 6 Power Conne
15. CB1 Power Card JBOD Just a Bunch of Drives system SC826 Chassis Manual 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 Single Internal Host Bus Adapter HBA Host Bus Adapter Dual Internal Host Bus Adapter HBA Host Bus Adapter HBA Host Bus Adapter Figure D 8 Connecting to Single and Dual Internal HBAs D 12 Appendix D SAS 826EL Backplane Specifications Supported Internal HBA to Backplane Cables Use the following listed cables to create connections between the internal HBA and backplane The cables required depend on the HBA connector Cable Name iPass to 4 Lane Part CBL 0117 Length 46 cm 18 inches Description This cable has one SFF 8484 32 pin connector on one end and iPass SFF 8087 Mini SAS connector 36 pin at the other This cable connects from the HBA to the 826 EL backplane 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 pin at each end It connects from the HBA to the SAS 826EL backplane D 13 SC826 Chassis Manual Connecting an External Host Bus Adapter to the Backplane This backplane supports external HBAs
16. 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 Single External Host Bus Adapter HBA Host Bus Adapter iii i ll led CBL 0200L External HBA Cable Dual External Host Bus Adapter CBL 0200L External HBA Cables Figure D 9 Connecting Single and Dual External HBAs D 14 Appendix D SAS 826EL Backplane Specifications Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure D 10 The CBL 0200L Cable Cable Name SAS InfiniBand to Mini SAS X4 1M cable PBF Part CBL 0200L Length One meter Description This cable has an InfiniBand connector SFF 8470 on one end and an SFF 8088 1X 26 pin at the other end D 15 SC826 Chassis Manual 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 Single HBA Configuration CBL 0167L with Single Port Assembly internal cable HBA Host Bus Adapter m i l 11 l CBL 0166L Dag xternal cable Figure 3 6 Single HBA Configuration D 16 Appendix D SAS 826EL Backplane Specifications Single HBA Configuration Cables Single Port Cable Assembly Figu
17. TEE D an L4 4 gt 5 Figure D 2 SAS 826EL1 Connectors and Components D 3 SC826 Chassis Manual D 6 Front Connector and Pin Definitions 1 EPP Ports The EPP ports are used for the manufacturer s diagnostic purposes only 2 Primary and Secondary Flash Chips The primary and secondary flash chips en hance the backplane memory 3 Primary and Secondary Expander Chips The primary and secondary expander chips allow the backplane to support dual port cas cading and failover configurations 4 Backplane Main Power Connectors Backplane Main Power The 4 pin connectors designated PWRO 4 Pin Connector PWR1 and PWR3 provide power to the Pin Definition backplane See the table on the right for pin 1 12V definitions 2and 3 Ground 4 5V 5 Fan Connectors Fan Connectors Fan1 Fan2 and Fan3 The 3 pin connectors designated Fan1 Fan2 and Fan3 provide power to the fans See the is Hennion table on the right for pin definitions i Soud 2 12V 3 Tachometer 6 9 SAS Ports Primary and secondary SAS ports D 4 Appendix D Backplane Specifications D 7 Front Jumper Locations and Pin Definitions sone lls ei SOKET Remote Fan Fail Socket Buzzer Enable R_ENB1 Figure D
18. 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 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
19. followed before installing and servicing this chassis Chapter 3 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 4 Chassis Setup and Maintenance Refer to this chapter for detailed information on this chassis You should follow the procedures given in this chapter when installing removing or reconfiguring your chassis Chapter 5 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 Appendix A Chassis Cables 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 Preface Appendix B Power Supply Specifications 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 SAS 826TQ Backplane Specifications This section provides detailed information on the BPN SAS 826TQ backplane Ad ditional information can by found on our Web site at www supermicro com Appendix D SAS 826EL Backplane Specifications This section provides detailed information on the SAS 826EL series backp
20. not look exactly the same as the graphics shown in this manual D 4 Introduction to the SAS 826EL Backplane The SAS 826EL 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 826EL Revision 1 02 the most current release available at the time of publication Always refer to the Supermicro Web site at www supermicro com for the latest updates compatible parts and supported configurations D 2 Appendix D Backplane Specifications Backplane Jumpers Connectors LEDs and Pin Definitions D 5 Front Connectors and Jumpers of ot on E 9 sy ooo N 666 Figure D 1 SAS 826EL2 Connectors and Components Front Connectors EPP connectors J16 and J17 6 Primary SAS connectors PRI_JO Primary and secondary flash 7 Primary SAS connectors PRI_J1 chips 8 Secondary SAS connectors Primary and secondary expander SEC_JO not available in EL1 chips single port backplane Power connectors PWRO 9 Secondary SAS connectors PWR1 and PWR3 SEC_J1 not available in EL1 single port backplane Fan connectors Fan1 Fan2 and Fan3 wm O eee O gt oS E
21. or on as long as the overheat condition exists 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 oe Le Power Indicates power is being supplied to the system s power supply units This LED should normally be illuminated when the system is operating 3 3 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 e Green or Blue Each SAS SATA drive carrier has a green LED When illumi nated this green LED on the front of the SAS SATA drive carrier indicates drive activity A connection to the SAS SATA backplane enables this LED to blink on and off when that particular drive is being accessed e Red The red LED indicates a SAS SATA drive failure If one of the SAS SATA drives fail you should be notified by your system management software 3 4 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 main tenance 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 se
22. power cords from all the power supply modules in the system e 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 e 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 e The power supply power cord must include a grounding plug and must be plugged into grounded electrical outlets e 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 Chapter 2 System Safety 2 6 DVD ROM laser CAUTION This chassis 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 General Safety Precautions Keep the area
23. the backplane kins erer jumpers can be used to choose between o optional settings Jumpers create shorts between two pins to change the function Jumper of the connector Pin 1 is identified with a square solder pad on the printed circuit board Note On two pin jumpers Closed Sakina D means the jumper is on and Open means the jumper is off the pins Jumper Settings Jumper Jumper Settings Note JP35 Open Default 9072 Chip Reset 1 Closed Reset JP50 Open Default 9071 Chip Reset 2 Closed Reset JP18 Open Default Buzzer Reset 2 Closed Reset C 6 Appendix C SAS 826TQ Backplane Specifications C and SGPIO Modes and Jumper Settings This backplane can utilize C or SGPIO SGPIO is the default mode and can be used without making changes to your jumpers The following information details which jumper must be configured to use SGPIO mode or restore your backplane to I C mode Jumper Settings SGPIO Default and IC Jumper SGPIO Default Setting PC Setting JP84 1 2 SGPIO mode enable 2 3 C mode enable C 7 SC826 Chassis Manual SAS Port Connections in I C and SGPIO Settings Use the following chart when connecting this backplane If the SAS ports are con nected out of order it is not easy to identify drives using the LED function SAS Port Connections in I2C and SGPIO Settings Port PC SGPIO 0 3 PC 1 Sideband 1 4 7 PC 2 Si
24. to the SAS2 826EL backplane 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 pin at each end It connects from the HBA to the SAS2 826EL backplane F 14 Appendix F SAS2 826EL Backplane Specifications Connecting an External Host Bus Adapter to the Backplane This backplane supports external HBAs In this configuration the HBA and the backplane are in different physical chassis This allows a JBOD Just a Bunch Of Drives configuration in an existing system Single External Host Bus Adapter CBL 0200L External HBA Cable Dual External Host Bus Adapter CBL 0200L External HBA Cables Figure F 11 Connecting Single and Dual External HBAs IMPORTANT See Section F 13 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations F 15 SC826 User s Manual Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure 3 5 The CBL 0200L Cable 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
25. BL 0168L with Dual Port Assembly Internal cable HBA Host Bus Adapter HBA Host Bus Adapter CBL 0166L 4 External cable lu Jll See es ca ee a ce Il L e d L u e e e e e e a d SC826 Chassis Manual Notes D 22 Appendix E SAS 826A Backplane Specifications Appendix E SAS 826A 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 E 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 E 2 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 General Safety Guidelines Always disconnect power cables before installing or removing any components from the computer including the SAS 826A backplane Disconnect the power cord before installing or removing any cables from the SAS
26. Connectors Rear SAS Drive Rear SAS Drive Connector Number Connector Number SAS 0 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 Rear LED Hard Drive Activity Failure LED SAS 0 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 FAIL 6 SAS 7 ACT 7 FAIL 7 SAS 8 ACT 8 FAIL 8 SAS 9 ACT 9 FAIL 9 SAS 10 ACT 10 FAIL 10 SAS 11 ACT 11 FAIL 11 F 8 Appendix F SAS2 826EL Backplane Specifications Dual Port and Cascading Configurations F 11 Single and Dual Port Expanders Single Ports SAS2 826EL1 backplanes have a single port expander that accesses all drives and supports cascading Dual Ports SAS2 826EL2 backplanes have dual port expanders that access all drives These dual port expanders support cascading failover and recovery To lower backplane in SAS2 826EL1 a elo cascaded system O pm rae Qf l Srp ee T A i i ans aD L ten 8266L2 t ee From HBA or higher backplane Port A SAS2 826EL2 Dual Po
27. Dual Placement Internal cable Description Internal cascading cable Connects the backplane to the HBA or external port Used in dual port environments Figure D 15 The CBL 0166L Cable Cable Name SAS EL2 EL1 Cascading Cable External 68 cm Part CBL 0166L SFF 8088 x1 to SFF 8088 x1 Ports Single or dual Placement External cable Description External cascading cable Connects ports between servers Use one cable for single port connections and two cables for dual port connections D 19 SC826 Chassis Manual D 12 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 infor mation see the SC826 chassis manual CBL 0167L with Single Port Assembly Internal cable HBA Host Bus Adapter g l I CBL 0166L q External cable l l l ia l l l Other Considerations L T a gt e Cascading supports up to one hundred and twenty two hard drives e Use the same cables for all single port configurations e See page D 14 if your HBA is external to your backplane D 20 Appendix D SAS 826EL Backplane Specifications Server System with Dual SAS HBA and Cascading Configuration C
28. ECT SPECIAL INCIDENTAL SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE THIS PRODUCT OR DOCUMENTATION EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN PARTICULAR SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY HARDWARE SOFTWARE OR DATA STORED OR USED WITH THE PRODUCT INCLUDING THE COSTS OF REPAIRING REPLACING INTEGRATING INSTALLING OR RECOVERING SUCH HARDWARE SOFTWARE OR DATA Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara County in the State of California USA The State of California County of Santa Clara shall be the exclusive venue for the resolution of any such disputes Super Micro s total liability for all claims will not exceed the price paid for the hardware product California Best Management Practices Regulations for Perchlorate Materials This Perchlorate warning applies only to products containing CR Manganese Dioxide Lithium coin cells Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate WARNING Handling of lead solder materials used in this product may expose you to lead a chemical known to the State of California to cause birth defects and other reproductive harm Manual Revision 1 0d Release Date June 29 2011 Unless you request and receive written permission from Super Micro Computer Inc you may not copy any part of this document Information in this document is subject t
29. Keep all components and printed circuit boards PCBs in their antistatic bags until ready for use 2 3 SC826 Chassis Manual e 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 e Handle a board by its edges only do not touch its components peripheral chips memory modules or contacts e When handling chips or modules avoid touching their pins e Put the serverboard and peripherals back into their antistatic bags when not in use e For grounding purposes make sure your computer chassis provides excellent conductivity between the power supply the case the mounting fasteners and the serverboard 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 car riers to keep you constantly informed of the overall status of the system as well as the activity and health of specific components SC826 chassis models have 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 Figur
30. PIO software must be installed and correctly configured to perform the load balancing and failover tasks Dual Host Bus Adapter SAS HBA In a dual host bus configuration the SAS HBA backplane connects to two host bus adapters Port B Port A Expander 2 Expander 1 Dual Host Bus Adapter Failover SAS HBA If the expander or data path in Port SAS HBA A fails the system will automatically fail over to Port B This maintains a full connection to all drives Port B Port A Expander 2 Expander 1 Figure F 8 Failover with RAID Cards and Multiple HBAs IMPORTANT For RAID controllers redundancy is achieved through port failover For multiple HBAs MPIO software is required to achieve failover protection F 11 SC826 User s Manual F 14 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 Other servers in this enclosed system must include a power card This section describes the supported power card for the SAS2 826EL back plane system G o0 w iun Sag O Ba Ree Q BARCODE o o J Dss De Oo goo J
31. SUPER SC826 Chassis Series SC826E16 R1200LPB SC826E16 R1200UB SC826A R1200LPB SC826A R1200UB SC826E1 R800UB SC826TQ R800LP SC826E2 R800LP SC826E1 R800LP SC826E26 R1200LPB SC826E26 R1200UB SC826TQ R800UB SC826E2 R800UB SC826TQ R800RC2 OEM SC826E2 R800RC2 OEM SC826E1 R800RC2 OEM USER S MANUAL 1 0d 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 Supermicro reserves the right to make changes to the product described in this manual at any time and without notice This product including software and documentation is the property of Supermicro and or its licensors and is supplied only under a license Any use or reproduction of this product is not allowed except as expressly permitted by the terms of said license IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT INDIR
32. ccess to the backplane ports 4 9 SC826 Chassis Manual Add on Card Setup SC826 RC chassis OEM Only SC826 chassis RC models allow for up to three full height full length card slots RC2 allows up to three full height full length card slots and up to three low profile cards slots Butterfly Bracket e L Bracket Figure 4 8 Three Full Height Full Length Cards with Three Low Profile Slot Butterfly Bracket Rear View Installing an Add on Card in an RC Model Chassis Confirm that the motherboard was installed correctly 1 You must install add on cards to the butterfly bracket To do this a Make sure each add on card includes a L bracket The L bracket should be included by the add on card manufacturer b For each add on slide the card into the bracket until it clicks into place 2 Slide the riser card into the chassis aligning with both the motherboard slot and the back panel of the chassis Chapter 4 Chassis Setup and Maintenance Figure 4 9 Three Full Height Full Length Cards with Three Low Profile Slots 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 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 p
33. cen son aaen 5 2 General Server PreCAUTONS seis sccses cesses coscieceseeanstesvteceoeeadescescecessuetaceaccseeeness 5 2 Rack Mounting Considerations sicrie iniu aani niaaa kia paa isa 5 3 Ambient Operating Temperature cccececceceeececeeeeeeeeeeeseeeeeeeeeaeeeetenteeeees 5 3 FREGUCE GIA II OW sorore ee Eae enous Con scupusnicenessicensensvties cunsaesuah apse tener 5 3 Mechanical M0ading jiriisvescA wont a hina iaiuegasenns 5 3 Circuit Overloading ssis an aiaa a iaia d aa AEDES 5 3 Reliable Grou dissirita aane iaee aaa ari 5 3 Rack Mounting INStMUC ON Ss snra TENAR 5 4 Identifying the Sections of the Rack RailS ccccceceeeeseeeeeeeeeeeeeeeeeeteeees 5 4 LOCKING TADS sssusa a aaa E E DENEN 5 5 Releasing ithe Inner Rail sassis aiias da a 5 5 Installing The Inner Rails on the Chassis cccceceeeseeeeeeeeeeeeeeeeeeteeeees 5 6 Installing the Outer Rails on the Rack ccccecceeeeeeeeeeeeeeeeeeeeseaeeeeeseeeeeees 5 7 Standard Chassis Installation viiieseceesccistissesteesiedcciccdecanv aai Optional Quick Installation Method Appendix A SC826 Chassis Cables Appendix B SC826 Power Supply Specifications Appendix C SAS 826TQ Backplane Specifications Appendix D SAS 826EL Backplane Specifications Appendix E SAS 826A Backplane Specifications Appendix F SAS2 826EL Backplane Specifications vii SC826 Chassis Manual Notes viii Chapter 1 Introduction Chapter 1 Introduction
34. completely from the chassis Place the new 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 Power up the system and check that the fan is working properly before re placing the chassis cover 4 16 Chapter 4 Chassis Setup and Maintenance Figure 4 13 Placing the System Fan SC826 Chassis Manual Power Supply The SC826 chassis has a primary and a redundant 800 or 1200 Watt power supply These power supplies are 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 14 Removing the Power Supply Changing the Power Supply 1 Because your chassis includes a redundant power supply you can leave the server running and remove only one of the power supplies 2 Push the release tab on the back of the power supply as illustrated above 3 Pull the power supply out using the handle provided 4 Replace the failed power module with the same model 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 server 4 18 Chapter 4 Chassis Setup and Maintenance Figur
35. connector is not present on SAS2 826EL1 F 4 Appendix F SAS2 826EL Backplane Specifications F 8 Front Jumper Locations and Settings SEC_MODE2 BUZZER_ENB1 SEC_MODE1 ACTES PRI_MODE1 a DISABLE a avis mw PB vY l FANFAIL_LED a p C wo ag Figure F 3 Front Jumpers 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 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 the jumper is off the pins F 5 PRI_MODE2 ES EO pmf g SGSP oS EE ve dh a 3 af encore J 3 2 1 Connector o o u Pins m Jumper 3 2 1 SC826 Chassis Manual General Jumper Settings Jumper Jumper Settings Note PRI_MODE1 2 3 Factory setting do not change PRI_MODE2 2 3 Factory setting do not change SEC_MODE 1 2 3 Factory setting do not change SEC_MODE2 2 3 Factory setting do not change FAN_MONITOR_DIS ABLE FANFAIL_LED_DIS ABLE BUZZER_ENB1 Open Enabled Default Closed Disabled Open Enabled Default Closed Disabled Open Disable Clo
36. ctors 4 pin JP10 JP13 and JP46 E 3 SC826 Chassis Manual E 6 Front Connector and Pin Definitions 1 Activity LED Headers The activity LED headers designated JP26 and JP47 are used to indicate the activity status of each SAS drive The activity LED headers are located on the front panel For the activity lead headers to work properly connect to them using a 10 pin LED cable This is only used when the activity LED is not supported by the hard drive 2 MG9071 and MG9072 Chips The MG9071 and MG9072 are enclosure management chips that support the SES 2 controller and SES 2 protocols 3 4 5 C Connectors The I C Connectors designated JP37 JP52 and JP95 are used to monitor HDD activity and status See the table on the right for pin definitions E 4 SAS Activity LED Header Pin Definitions Pin Definition Pin Definition 4l ACT IN 0 6 ACT IN 4 2 ACT IN 1 7 ACT IN 5 3 ACT IN 2 8 ACT IN 6 4 ACT IN 3 9 ACT IN 7 5 Ground 10 Empty SAS Activity LED Header Pin Definitions Pin Definition Pin Definition 1 ACT IN 8 6 ACT IN 12 2 ACT IN 9 7 ACT IN 13 3 ACT IN 10 8 ACT IN 14 4 ACT IN 11 9 ACT IN 15 5 Ground 10 Empty PC Connector Pin Definitions Pin Definition 1 Data 2 Ground 3 Clock 4 No Connection Appendix E SAS 826A Backplane Specifications 6 Backplane Main Power Connectors Backplane Main Power Th
37. deband 2 8 11 PC 3 Sideband 3 Front LED Indicators moO sO 4 agAlarm 1 g a 5 2 682 Alarm H gi ee acai Ma isba ai Figure C 4 Front LEDs Front Panel LEDs LED State Specification Alarm 1 D3 On Overheat drive failure in Channel 1 Alarm 2 D36 On Overheat drive failure in Channel 2 D53 On Indicates 5V power Light is on during normal operation D54 On Indicates 12V power Light is on during normal operation C 8 Appendix C SAS 826TQ Backplane Specifications C 8 Rear Connectors and LED Indicators D24 1O D25 AA Figure C 5 Rear Connectors and LEDs Rear SAS SATA Connectors Rear SAS Drive Rear SAS Drive Connector Number Connector Number SAS 0 SAS SATA HHD 0 SAS 6 SAS SATA HHD 6 SAS 1 SAS SATA HHD 1 SAS 7 SAS SATA HHD 7 SAS 2 SAS SATA HHD 2 SAS 8 SAS SATA HHD 8 SAS 3 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 Rear LED 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 9 SC826 Chassis Manual Notes Appen
38. dix D SAS 826EL Backplane Specifications Appendix D 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 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 e 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 General Safety Guidelines Always disconnect power cables before installing or removing any components from the computer including the SAS 826EL series backplane Make sure that the backplane is properly and securely on the motherboard to prevent damage to the system due to power outages D 1 SC826 Chassis Manual D 3 An Important Note to Users e Allimages and layouts shown in this user s guide are based upon the latest back plane revision available at the time of publishing The card you have received may or may
39. e 3 1 Chassis User Interface 3 1 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 e 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 stand by power supplied to the system Therefore you must unplug system before servicing 3 3 Control Panel LEDs The control panel located on the front of the SC826 chassis has five LEDs These LEDs provide you with critical information related to different parts of the system This section explains what each LED indicates when illuminated and any corrective action you may need to take e Power Failure When this LED flashes it indicates a power failure in the power supply f e Overheat Fan Fail When this LED flashes it indicates a fan failure When continuously on not flashing it indicates an overheat condition which may be caused by cables obstructing the airflow in the system or the ambient room temperature being too warm Check the routing of the cables and make sure all fans are present and operating normally You should also check to make 3 2 Chapter 3 System Interface sure that the chassis covers are installed Finally verify that the heatsinks are installed properly This LED will remain flashing
40. e 4 15 Replacing the Power Distributor Power Distributor Chassis that are 2U or more in height require a power distributor The power dis tributor 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 3 Remove both power supplies 4 Locate the power distributor between the power supply and the fan row 5 Remove the three screws securing the power supply 6 Gently pull the power distributor from the chassis carefully guiding all the cables through the power distributor housing 7 Slide the new power distributor module into the power distributor housing Make that you slide the cables through the bottom of the housing 8 Reconnect all the power cables replace the power supply and insert the plug into the wall 4 19 SC826 Chassis Manual Optional Front Bezel The SC826 chassis supports an optional full face locking front bezel for added se curity The front bezel is not included with the SC826 chassis but can be ordered separately 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 4 20 Chapter 5 Rack Installation Chapter 5 Rack Installation 5 1 Overview This chapter provides installation instructions
41. e 4 pin connectors designated JP10 4 Pin Connector JP13 and JP46 provide power to the Pin Definition backplane See the table on the right for 1 12V pin definitions 2and3 Ground 4 5V 7 8 9 SAS Ports The SAS ports are used to connect the SAS drive cables The three connectors are designated SAS IN 1 SAS IN 3 Each of the three connectors has four ports for a total of twelve ports These twelve ports are designated 0 11 and they are also compatible with SATA drives 10 Upgrade Connectors The upgrade connectors designated JP69 and JP78 are used for manufacturer s diag nostic purposes only E 5 SC826 Chassis Manual E 7 Front Jumper Locations and Pin Definitions Figure E 2 Front Jumpers Explanation of Jumpers Connector To modify the operation of the backplane kins erer jumpers can be used to choose between optional settings Jumpers create shorts between two pins to change the function Jumper of the connector Pin 1 is identified with a square solder pad on the printed circuit board Note On two pin jumpers Closed Sakina D means the jumper is on and Open means the jumper is off the pins Jumper Settings Jumper Jumper Settings Note Open Default MG9072 Chip Reset
42. ent 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 Optional standoffs are included to these mother boards To use an optional standoff you must place the hexagonal screw through the bottom the chassis and secure the screw with the hexagon nut rounded side up 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 connec tions 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 Secure the screw with the hexagon nut rounded side up 4 Lay the motherboard on the chassis aligning the permanent and optional standoffs 5 Secure the motherboard to the chassis using the rounded Phillips head screws 6 Secure the CPU s heatsinks and other components to the motherboard as described in the motherboard documentation 7 Connect the cables between the motherboard backplane chassis front pan el and power supply as needed Also the fans may be temporarily removed to allow a
43. er 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 9 20 cm 4 pin CBL 0060 7 9 20 cm Front Panel to the Motherboard The SC826 chassis includes a cable to connect the chassis front panel to the motherboard If your motherboard uses a different connector use the following list to find a compatible cable Front Panel to Motherboard Cable Ribbon Cable eee wees Cable Par 16 pin 16 pin CBL 0049 16 pin 20 pin CBL 0048 20 pin 20 pin CBL 0047 16 pin various CBL 0068 20 pin various CBL 0067 Split cables Use these cables if your motherboard requires several different con nections from the front panel A 3 SC826 Chassis Manual Notes A 4 Appendix B Power Supply Specifications Appendix B SC826 Power Supply Specifications This appendix lists power supply specifications for the SC826 chassis SC826TQ SC826E1 SC826E2 800W MFR Part PWS 801 1R 100 240V Rated AC Voltage 50 60Hz 10 4 Amp 5V standby 4 Amp 12V 66 Amp 5V 30 Amp 3 3V 24 Amp 12V 0 6 Amp SC826A SC826E16 SC826E26 1200W MFR Part PWS 1K21P 1R 100 140V 50 60Hz 8 11 Amp AC Input 180 240V 50 60Hz 5 5 8 Amp 1000W 83 Amp 100 140V ee meet 1200W 100 Amp 180 240V 5Vsb 4A c 5V 50 Amp i with 3 3V 30 Amp 12V 0 6 Amp B 1 SC826 Chass
44. for installing the chassis into a rack Following these steps in the order given should enable you to have the system operational within a minimal amount of time 5 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 5 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 e Leave enough clearance in front of the rack to enable you to open the front door completely 25 inches e Leave approximately 30 inches of clearance in the back of the rack to allow for sufficient airflow and ease in servicing e This product is for installatio
45. gle Ports SAS 826EL1 backplanes have a single port expander that accesses all twelve drives and supports cascading Dual Ports SAS 826EL2 backplanes have dual port expanders that access all twelve drives These dual port expanders support cascading failover and recovery Warning The SAS 826EL2 backplane s JO and J1 SAS ports are reversed in the secondary expander Port B with JO on top and J1 on the bottom To lower backplane in SAS 826EL1 Single Port Backplane cascaded system gt v a O op D 1 oo gt p Ee From HBA or higher backplane Port A SAS 826EL2 Dual Port Backplane Primary Ports Port B Expander 1 Secondary Ports From HBA or higher To lower backplane in Expander 2 backplane cascaded system To lower backplane in From HBA or higher cascaded system backplane Figure D 6 Single and Dual Port Expanders D 9 SC826 Chassis Manual D 10 Failover The SAS 826EL2 backplane has two expanders which allow effective failover and In a single host bus configuration recovery SAS HBA the backplane connects to one host bus adapter i ie Single Host Bus Adapter Port B Port A Expander 2 Expander 1 SAS HBA Single Host Bus Adapter Failover
46. h 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 Outward Inner Rail Figure 5 1 Identifying the Outer Rail Middle Rail and Inner Rails Left Rail Assembly Shown 5 4 Chapter 5 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
47. hown in this manual C 1 SC826 Chassis Manual C 4 Introduction to the SAS 826TQ Backplane The SAS 826TQ backplane has been designed to utilize the most up to date tech nology available providing your system with reliable high quality performance This manual reflects SAS 826TQ Revision 3 1 the most current release available at the time of publication Always refer to the Supermicro Web site at www supermicro com for the latest updates compatible parts and supported configurations To avoid personal injury and property damage carefully follow all the safety steps listed below when accessing your system or handling the components C 2 Appendix C SAS 826TQ Backplane Specifications Jumpers and Pin Definitions C 5 Front Connectors and Jumpers a it AEREN VTN Figure C 1 Front Connectors Front Connectors SAS Ports 1 ACT_IN JP26 and JP47 10 SAS Port 0 J5 2 Chips MG 9071 and MG 9072 11 SAS Port 1 J6 3 2C Connector 1 JP37 12 SAS Port 2 J7 4 C Connector 2 JP95 13 SAS Port 3 J8 5 C Connector 3 JP52 14 SAS Port 4 J10 6 Power Connectors 4 pin JP10 15 SAS Port 5 J12 JP13 and JP46 16 SAS Port 6 J14 7 SideBand Connector 1 JP66 17 SAS Port 7 J16 8 SideBand Connector 2 JP68 18 SAS Port 8 J22 9 SideBand Connector 3 JP75 19 SAS Por
48. i i le amp ne P 0000000 7 Ho e 1000000 a ae De k REV 1 01 ne Figure F 9 The CSE PTJBOD CB2 Power Card Power Card Part Number Part Type Where Used Allows the chassis to be used CSE PTJBOD CB2 Power Card as a JBOD Just a Bunch of Drives system F 12 Appendix F SAS2 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 Single Internal Host Bus Adapter Dual Internal Host Bus Adapter Figure F 10 Connecting to Single and Dual Internal HBAs IMPORTANT See Section F 13 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations F 13 SC826 User s Manual Supported Internal HBA to Backplane Cables Use the following listed cables to create connections between the internal HBA and backplane The cables required depend on the HBA connector Cable Name iPass to 4 Lane Part CBL 0117 Length 46 cm 18 inches Description This cable has one SFF 8484 32 pin connector on one end and one iPass SFF 8087 Mini SAS connector 36 pin at the other This cable connects from the HBA
49. ious varied to minimize airflow interfer ence CBL 0078 Cable 45 cm Round floppy cable 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 Name Big Four Description This cable has one SFF 8484 32 pin connector on one end and four SAS connectors seven pins each at the other This cable connects from the Host motherboard or other controller to the backplane SAS hard drive port Cable Name SAS Cable Quantity 1 Part CBL 0116 Alt Name iPass or Small Four Description This cable has one iPass SFF 8087 Mini SAS connector 36 pin at one end and four SAS connectors on the other end This cable connects from the host motherboard or other controller to the backplane SAS hard drive port A 2 Appendix A Chassis Cables Extending Power Cables Although Supermicro chassis are designed to be efficient and cost effective some compatible motherboards have power connectors located in different areas To use these motherboards it may be necessary to extend the power cables to the motherboards To do this use the following chart as a guide Pow
50. is Manual Notes B 2 Appendix C SAS 826TQ Backplane Specifications C 1 Appendix C SAS 826TQ Backplane Specifications 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 he following measures are generally sufficient to protect your equipment from ESD e Use a grounded wrist strap designed to prevent static discharge C 3 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 General Safety Guidelines Always disconnect power cables before installing or removing any components from the computer including the SAS 826TQ backplane Disconnect the power cable before installing or removing any cables from the SAS 826TQ backplane Make sure that the SAS 826TQ backplane is securely and properly installed on the motherboard to prevent damage to the system due to power shortage 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 s
51. ke 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 Pull all excess cabling out of the airflow path or use shorter cables The control panel LEDs inform you of system status See Chapter 3 System Interface for details on the LEDs and the control panel buttons 4 14 Chapter 4 Chassis Setup and Maintenance 4 8 System Maintenance In most cases the chassis power supply and fans are pre installed If you need to install fans continue to the System Fans 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 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 12 System Fan Replacing a System Fan f 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 Turn off the power to the system and unplug the system from the outlet Remove the failed fan s power cord from the motherboard Press the fan release tab to lift the failed fan from the chassis and pull it
52. lanes Additional information can by found on our Web site at www supermicro com Appendix E SAS 826A Backplane Specifications This section provides detailed information on the SAS 826A series backplanes Ad ditional information can by found on our Web site at www supermicro com Appendix F SAS2 826EL Backplane Specifications This section provides detailed information on the SAS2 826EL series backplanes Additional information can by found on our Web site at www supermicro com SC826 Chassis Manual Table of Contents Chapter 1 Introduction 1 1 OVE IVIOW neissen aerieni ra E rAr E TET EEE E raS ieee 1 2 Shipping List 3 Contactinig SUPEIMIChON sisiran en ewan nina N E AA A Ni 1 3 1 4 Returning Merchandise for ServiCe c ccccceeeeeeceeeeeeeeeeeeeeneeeeeesaeeeetenaees 1 4 Chapter 2 System Safety 2 1 OVErV EW nianna nara iia aA A n a Aa 2 1 2 2 Warnings and Precautions cccccccceeeeseneeeeeeeeeeeeeseceeeeseeaeeeeeseecaeeeeeeneeeess 2 1 2 3 Preparing fOr Setup wsiscieed aii a Ata ieee tee da Aner 2 1 2 4 Electrical Safety Precautions 2 2 2 5 General Safety Precautions s ivaonsosinra aaea an aai 2 3 2 0 System Saleya E E E eE TNE 2 3 Chapter 3 System Interface 3 1 OVETVISW oisnean sia Vaan E aE a a aida Naai 3 1 3 2 Control Panel BUMOMS csdasisen theaascddsaccaduneatesesaeuanteaben inaia n e 3 2 3 3 Control Panel LEDS iinitan eiaei eeni iia adiran 3 2 3 4 Drive Carrier LEDs 3
53. llation 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 5 7 2 Release the inner rail without retracting the middle rail 3 Install the inner rails on the chassis as previously described on page 5 6 4 Install the chassis onto the middle rail as described in the previous section 5 9 SC826 Chassis Manual Notes 5 10 Appendix A Chassis Cables A 1 Overview Appendix A SC826 Chassis Cables 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 A 2 Cables Included with SC826 Chassis SAS SATA A 1 Part Type Length Description CBL 0087 Cable 20 Round 16 pin to 16 pin ribbon front panel cable CBL 0160L Cable US power cord 16 AWG PB free 16 pin control panel converter cable CBL 0217L Cable for SC826 PBF 8 pin to 8 pin ribbon cable for CBL 0157L Cable 9 SGPIO PB free CBL 0191L Cable 50 cm 20 pin to 20 pin cable for control panel CBL 0139L Wire 50 cm IDE 80 Wire cable for DVD ROM Cable 6 Two regional power cords Set for four SATA cables Length CBL 0180L SATA var
54. n only in a Restricted Access Location dedicated equipment rooms service closets and the like 5 1 SC826 Chassis Manual Warning 5 4 Warnings and Precautions Rack Precautions e 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 e In single rack installations stabilizers should be attached to the rack e In multiple rack installations the racks should be coupled together e Always make sure that the rack is stable before extending a component from the rack e 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 e Review the electrical and general safety precautions that came with the com ponents you are adding to your chassis e Determine the placement of each component in the rack before you install the rails e Install the heaviest server components on the bottom of the rack first and then work upwards e 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 e Allow the hot plug hard drives and power supply modules to cool before touch ing them 5 2 Chapter 5 Rack Installation e Always keep the rack s front door and all panels and components on the servers closed when not servicing to maintain
55. nes in a Dual Channel Environment This section describes the cables used when cascading from a single HBA These connections use CBL 0168L internal cables and CBL 0166L external cables CBL 0168L with Single Port Assembly Internal cable CBL 0166L External cable L ee Figure F 15 Connecting Multiple Backplanes when using Dual Channels IMPORTANT See Section F 13 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations F 19 SC826 User s Manual Dual HBA Configuration Cables Dual Port Cable Assembly A T aS 1 u M Figure F 16 The CBL 0168L Cable Cable Name SAS Dual port Cable Assembly 68 76 cm 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 or external port Used in dual port environments Figure F 17 The CBL 0166L Cable Cable Name SAS EL2 EL1 Cascading Cable External 68 cm Part CBL 0166L SFF 8088 x1 to SFF 8088 x1 Ports Single or dual Placement External cable Description External cascading cable Connects ports between servers Use one cable for single port connections and two cables for dual port connections F 20 Appendix F SAS2 826EL Backplane Specifications F 15 Supported Cascading Configuration Cascading allows the
56. o change without notice Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders Copyright 2011 by Super Micro Computer Inc All rights reserved Printed in the United States of America 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 or 1200W redundant high efficiency power supply for superb power savings High performance fans provide ample cooling for the chassis This document lists compatible parts and configurations available when this docu ment was published Always refer to our Web site for updates on supported parts and configurations 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 You should thoroughly familiarize yourself with this chapter for a general overview of safety precautions that should be
57. ower Light is on during normal operation E 8 Appendix E SAS 826A Backplane Specifications E 8 Rear Connectors and LED Indicators Figure E 4 Rear Connectors and LEDs Rear SAS SATA Connectors Rear SAS Drive Rear SAS Drive Connector Number Connector Number SAS 0 SAS SATA HHD 0 SAS 6 SAS SATA HHD 6 SAS 1 SAS SATA HHD 1 SAS 7 SAS SATA HHD 7 SAS 2 SAS SATA HHD 2 SAS 8 SAS SATA HHD 8 SAS 3 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 Rear LED 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 E 9 SC826 Chassis Manual Notes E 10 Appendix F SAS2 826EL Backplane Specifications Appendix F SAS2 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 F 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 you
58. proper cooling 5 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 5 3 SC826 Chassis Manual 5 6 Rack Mounting Instructions This section provides information on installing the chassis into a rack unit wit
59. r equipment from ESD e 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 General Safety Guidelines Always disconnect power cables before installing or removing any components from the computer including the SAS2 826EL series backplane Make sure that the backplane is properly and securely on the motherboard to prevent damage to the system due to power outages F 1 SC826 User Manual F 3 An Important Note to Users All images and layouts shown in this user s guide are based upon the latest back plane revision available at the time of publishing The backplane you have received may or may not look exactly the same as the graphics shown in this manual F 4 Introduction to the SAS2 826EL Backplane The SAS2 826EL backplane has been designed to utilize the most up to date tech nology available providing your system with reliable high quality performance This manual reflects SAS2 826EL Revision 1 01 the most current release available at the time of publication Always refer to the Supermicro Web site at www supermi cro com for the latest updates compatible parts and suppor
60. re D 11 The CBL 0167L Cable 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 or external port Used in single port environments Figure D 12 The CBL 0166L Cable Cable Name SAS EL2 EL1 Cascading Cable External 68 cm Part CBL 0166L SFF 8088 1x to SFF 8088 x1 Ports Single or Dual Placement External cable Description External cascading cable Connects ports between servers With most connectors use one cable for single port connections and two cables for dual port connections D 17 SC826 Chassis Manual Connecting Multiple Backplanes in a Dual Channel Environment This section describes the cables used when cascading from a single HBA These connections use CBL 0168L internal cables and CBL 0166L external cables CBL 0168L with Single Port Assembly Internal cable HBA Host Bus Adapter 1 l l l q CBL 0166L l External cable I l l al gt Figure D 13 Connecting Multiple Backplanes when using Dual Channels Appendix D SAS 826EL Backplane Specifications Dual HBA Configuration Cables Dual Port Cable Assembly Figure D 14 The CBL 0168L Cable Cable Name SAS Dual port Cable Assembly 68 76 cm Part CBL 0168L SFF 8087 to SFF 8088 x2 Ports
61. rofile add on ex pansion card slot you want to use Keep this screw for later use 3 Connect the add on cards and or expansion cards to the mother board 4 Secure each card to the chassis using the card s L bracket and the screw previously removed 4 12 Chapter 4 Chassis Setup and Maintenance 4 6 Installing the Air Shroud Perforated Tabs 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 it 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 The air shroud fits just behind the two fans closest to the power supply Slide the air shroud into the grooves just behind the fan rack 4 If necessary the perforated tabs on either side of the air shroud may be removed to ensure a proper fit Note that if a 16 DIMM 13 68 x 13 motherboard is used it is necessary to use the optional MCP 310 82502 0N air shroud For ordering information visit the Supermicro website at www supermicro com and click on the Where to Buy link 4 13 SC826 Chassis Manual 4 7 Checking the Air Flow 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 ma
62. rt Backplane Primary Ports Expander 1 Port B To lower backplane in P Secondary Ports To lower backplane in cascaded system pa aa 2 cascaded system From HBA or higher From HBA or higher backplane backplane Figure F 6 Single and Dual Port Expanders F 9 SC826 User s Manual F 12 Failover The SAS2 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 Port B Port A Expander 2 Expander 1 Single Host Bus Adapter Failover SAS HBA If the expander or data path in Port A fails the system will automatically fail over to Port B Port B Port A Expander 2 Expander 1 Figure F 7 Single HBA Failover F 10 Appendix F SAS2 826EL Backplane Specifications F 13 Failover with RAID Cards and Multiple HBAs The SAS2 826EL backplane may be configured for failover with multiple HBAs using either RAID controllers or HBAs to acheive failover protection RAID Controllers If RAID controllers are used then the failover is accomplished through port failover on the same RAID card HBAs If multiple HBAs are used to achieve failover protection and load balancing Linux M
63. sed Enable Enables the fan speed monitor reporting Enables the FANFAIL1 LED Buzzer disabled Buzzer enabled The buzzer sound indicates that a condition requiring immediate attention has occurred The buzzer alarm is triggered by one of the following conditions 1 Hard drive failure 2 Fan failure 3 System temperature over 45 Celsius F 6 Appendix F SAS2 826EL Backplane Specifications F 9 Front LED Indicators OVERRHEATFAIL1 Vv 8 a a e Pas IcropRCS l 2602 E i la a FANFAIL 1x ACT18 Figure F 4 Front LEDs Backplane LEDs LED State Specification OVERHEATFAIL1 On Overheat or drive failure FANFAIL1 On System fan failure ACT17 On Primary Ethernet Tx activity LED ACT18 On Secondary Ethernet Tx activity LED 5V LED1 Off Backplane power failure Light is on during normal operation 12V LED Off Backplane power failure Light is on during normal operation F 7 SC826 Chassis Manual F 10 Rear Connectors and LED Indicators ao ACTH ACTH amp FAIL Ps r Di oun SAS 5 SAS 8 ma ACT HA FAIL 4 ACT 8 FAIL 8 a J8 SAS 7 J N Gi a FAIL C m Figure F 5 Rear Connectors and LEDs Rear SAS
64. sed 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 F 24
65. 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 CBL 0167L with Single Port Assembly Internal cable CBL 0166L External cable Figure F 18 Supported Cascading Configuration Other Considerations e Cascading supports up to one hundred twenty two hard drives e Use the same cables for all single port configurations e See page F 15 if your HBA is external to your backplane F 21 SC826 User s Manual Server System with Dual SAS HBA and Cascading Configuration IMPORTANT See Section F 13 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations CBL 0168L with Dual Port Assembly internal cable HBA Host Bus Adapter HBA Host Bus Adapter l l l l CBL 0166L i external cable l l l i al of 1 vi l M4 a l i a L L p Figure F 19 Server System with Dual SAS HBA and Cascading Configuration F 22 Appendix F SAS2 826EL Backplane Specifications Notes F 23 SC826 User s Manual Disclaimer cont The products sold by Supermicro are not intended for and will not be u
66. t 9 J23 20 SAS Port 10 J24 21 SAS Port 11 J25 mes O F Figure C 2 Front SAS Ports C 3 SC826 Chassis Manual C 6 Front Connector and Pin Definitions 1 Activity LED Headers The activity LED headers designated JP26 and JP47 are used to indicate the activity status of each SAS drive The activity LED headers are located on the front panel For the activity lead headers to work properly connect to them using a 10 pin LED cable This is only used when the activity LED is not supported by the hard drive 2 MG9071 and MG9072 Chips The MG9071 and MG9072 are enclosure management chips that support the SES 2 controller and SES 2 protocols 3 4 5 FC Connectors The I C Connectors designated JP37 JP52 and JP95 are used to monitor HDD activity and status See the table on the right for pin definitions C 4 SAS Activity LED Header Pin Definitions Pin a A O N Definition Pin Definition ACT IN 0 6 ACT IN 4 ACT IN 1 7 ACT IN 5 ACT IN 2 8 ACT IN 6 ACT IN 3 9 ACT IN 7 Ground 10 Empty SAS Activity LED Header Pin Definitions Pin a A O N Definition Pin Definition ACT IN 8 6 ACT IN 12 ACT IN 9 7 ACT IN 13 ACT IN 10 8 ACT IN 14 ACT IN 11 9 ACT IN 15 Ground 10 Empty PC Connector Pin Definitions Pin Definition
67. t 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 5 7 SC826 Chassis Manual Ball Bearing Shuttle Figure 5 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 Confirm that the outer rails are correctly installed on the rack 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 Align the chassis inner rails with the front of the middle rails 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 Depress the locking tabs of both sides at the same time and push the chassis all the way into the rear of the rack If necessary for security purposes use screws to secure the chassis handles to the front of the rack 5 8 Chapter 5 Rack Insta
68. ted configurations F 5 Overview of the SAS2 826EL1 EL2 Backplanes The SAS2 826EL1 and SAS2 826EL2 model backplanes are identical except that the SAS2 826EL2 backplane has duplicate secondary components which are not found on the SAS2 826EL1 The SAS2 826EL2 is divided into a two sections with the primary components on the right side of the board and the secondary compo nents on the left F 2 Appendix F SAS2 826EL Backplane Specifications Connectors Jumper and LEDs F 6 Front Connectors a Figure F 1 SAS2 826EL1 EL2 Connectors and Components Front Connectors EPP connectors J16 and J17 Primary and secondary expander chips Power connectors PWR1 PWR2 and PWR3 Fan connectors Fan1 Fan2 and Fan3 Primary SAS connector PRI_JO Primary SAS connector PRI_J1 Secondary SAS connector SEC_ J1 not available in EL1 single port backplane Secondary SAS connector SEC_ JO not available in EL1 single port backplane F 3 10 11 12 Primary UART connector UART_ P1 for manufacturer s use only Secondary UART connector UART_S1 for manufacturer s use only Not present on SAS2 826 E11 Primary MDIO connector MDIO1 for manufacturer s use only Secondary MDIO connector MDIO2 for manufacturer s use only Not present on SAS2 826 EL1
69. that will hold that 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 You will also need to place the system near at least one grounded power outlet The SC826 chassis includes a primary and a redundant power supply which require two grounded outlets 2 3 Preparing for Setup The SC826 chassis includes a set of rail assemblies including mounting brackets and the 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 1 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 e 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 e Do not work alone when working with high voltage components e 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
70. tting up your chassis 4 2 Installation Procedures This chapter covers the following installation and maintenance procedures for the SC826 chassis Removing the Chassis Cover Installing Hard Drives Installing the Motherboard Standoffs I O Shield and Add on Cards Installing the Air Shroud System Maintenance System Fans Power Supply Power Distributor and Optional Front Bezel 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 warnings precau tions listed in the setup instructions 4 1 SC826 Chassis Manual 4 3 Removing the Chassis Cover Figure 4 1 Removing the Chassis Cover Removing the Chassis Cover 1 Remove the two screws from the sides of the chassis cover 2 Press the release tabs to remove the cover from the locked position Press both tabs at the same time 3 Once the top cover is released from the locked position slide the cover toward the rear of the chassis 4 Lift the cover off the chassis 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 4 2 Chapter 4 Chassis Setup and Maintenance 4 4 Installing Hard Drives The SC826 chassis supports hot swappable hard drives which may be removed without powering down the system Figure 4 2
71. ve tray into the chassis Make sure to close the drive tray us ing the drive tray handle 4 5 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 Locate the riser card that separates the motherboard compartment The riser card is held in place by three screws two in the rear and one in the front Remove these screws Carefully pull the riser card from the chassis and place the unit aside for later use 4 6 Chapter 4 Chassis Setup and Maintenance VO Shield Figure 4 6 I O Shield Placement O Shield The I O shield holds the motherboard ports in place Install the I O shield before installing 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 4 7 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 perman

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