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Supermicro SuperChassis 846BA-R920B

1. tei so P os 3 1 SC846 Chassis Manual 3 2 Control Panel Buttons There are two push buttons located on the left handle of the chassis These are in order from top to bottom a power on off button and a reset button Power The main power button 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 Therefore you must unplug system before servicing Reset The reset button is used to reboot the system 3 3 Control Panel LEDs The control panel is located on the left handle of the SC846 chassis and 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 EP PA Power Indicates power is being supplied to the system s power supply units This LED should normally be illuminated when the system is operating HDD Indicates IDE channel activity SAS SATA drive and or DVD ROM drive activity when flashing 3 2 Chapter 3 System Interface Eri NIC1 Indicates network activity on GLAN1 when flashing Eri NIC2 Indicates network activity on GLAN2 when flashing Overheat Fan Fail When
2. Figure E 3 Rear Connectors Rear SAS SATA Connectors Rear Connector SAS 0 SAS 1 SAS 2 SAS 3 SAS 4 SAS 5 SAS 6 SAS 7 SAS 8 SAS 9 SAS 10 SAS 11 SAS Drive Number SAS SATA HDD 0 SAS SATA HDD 1 SAS SATA HDD 2 SAS SATA HDD 3 SAS SATA HDD 4 SAS SATA HDD 5 SAS SATA HDD 6 SAS SATA HDD 7 SAS SATA HDD 8 SAS SATA HDD 9 SAS SATA HDD 10 SAS SATA HDD 11 Rear Connector SAS 12 SAS 13 SAS 14 SAS 15 SAS 16 SAS 17 SAS 18 SAS 19 SAS 20 SAS 21 SAS 22 SAS 23 SAS Drive Number SAS SATA HDD 12 SAS SATA HDD 13 SAS SATA HDD 14 SAS SATA HDD 15 SAS SATA HDD 16 SAS SATA HDD 17 SAS SATA HDD 18 SAS SATA HDD 19 SAS SATA HDD 20 SAS SATA HDD 21 SAS SATA HDD 22 SAS SATA HDD 23 E 8 Appendix E SAS2 846EL Backplane Specifications Rear LED Indicators Rear Connector Hard Drive Activity LED 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 SAS 12 ACT 12 FAIL 12 SAS 13 ACT 13 FAIL 13 SAS 14 ACT 14 FAIL 14 SAS 15 ACT 15 FAIL 15 SAS 16 ACT 16 FAIL 16 SAS 17 ACT 17 FAIL 17 SAS 18 ACT 18 FAIL 18 SAS 19 ACT 19 FAIL 19 SAS 20 ACT 20 FAIL 20 S
3. PRI MODE1 and 2 2 3 SEC MODE1 and 2 2 3 EXPDBG1 and 2 No jumper required MDIO1 and 02 No jumper required UART P1 No jumper required UART S1 No jumper required JP1 No jumper required Open Disabled Default Closed Enabled Open Disabled Default Closed Enabled MONITOR DIS Open Disabled Default ABLE Closed Enabled BUZZER ENB1 ACTLED1 Factory Setting Do not change Factory Setting Do not change Debug SMC internal use only EXPDBG2 not present on SAS2 846EL2 SMC internal use only Primary UART connector Secondary UART connector Not present on SAS2 847E2 Buzzer connector Buzzer settings Activity LED settings Fan monitor LED settings The buzzer sound indicates that a condition occurred requiring immediate attention has The buzzer alarm is triggered by the following conditions 1 Hard drive failure 2 Fan failure 3 System temperature over 45 Celsius Front LEDs LED State Specification 1 On Failure in fans Overheat Drive Failure LED Indicator On Red light flashing buzzer on E 7 SC846 Chassis User s Manual E 9 Rear Connectors and LED Indicators ISAS 22 SAS 21
4. 15 Placing the Front System Fan Figure 4 16 Placing the Rear System Fan Figure 4 4 13 SC846 Chassis Manual 4 8 Power Supply The SC846 chassis has either a 710 900 920 or 1200 Watt high efficiency redun dant 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 Redundant power supplies are hot swappable and can be changed without pow ering down the system New units can be ordered directly from Supermicro see contact information in the Preface 4 14 Chapter 4 Chassis Setup and Maintenance Release Tab Figure 4 17 Power Supply Release Tab Changing the Power Supply 1 Your chassis includes a redundant power supply with two power modules which enables you to leave the server running and remove one power supply If your server has only one power supply installed you must power down the server and unplug the power cord 2 Push the release tab on the back of the power supply as illustrated 4 15 SC846 Chassis Manual Figure 4 18 Removing the Power Supply 3 Pull the power supply out using the handle provided 4 Replace the failed power module with another of the same model 5 Push the new power supply module into the power bay until it click
5. 25 26 2T 28 29 30 31 32 33 34 SAS Port 0 J5 SAS Port 1 J14 SAS Port 2 J26 SAS Port 3 J40 SAS Port 4 J6 SAS Port 5 J16 SAS Port 6 J29 SAS Port 7 J41 SAS Port 8 J7 SAS Port 9 J22 SAS Port 10 J30 SAS Port 11 J42 SAS Port 12 J8 SAS Port 13 J23 SAS Port 14 J32 SAS Port 15 J46 SAS Port 16 J10 SAS Port 17 J24 SAS Port 18 J38 SAS Port 19 J47 SAS Port 20 J12 SAS Port 21 J25 SAS Port 22 J39 SAS Port 23 J48 Figure C 2 SAS Ports C 4 Appendix C SAS 846TQ Backplane Specifications C 5 Front Connector and Pin Definitions 1 MG9072 Chip The MG9072 is an enclosure management chip that supports the SES 2 controller and SES 2 protocols 2 Upgrade Connectors The upgrade connectors are designated JP69 JP78 and JP115 and are used for manufactur er s diagnostic purposes only 3 Activity LED Header The activity LED header designated JP26 JP47 and JP1068 is used to indicate the activ ity 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 2 4 6 PC Connectors 20 Connector Pin Definitions The I C Connectors designated JP37 JP95 JP52 JP96 JP116 and JP117 are used to Pin Definition monitor HDD activity and status See the table i paa on the right for pin definitions 2 Ground 3 Clock 4 No Connection 0 5 SC846 Chass
6. 3 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 3 Installing Hard Drives Figure 4 2 Removing Hard Drive 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 SC846 Chassis Manual Dummy Drive Drive Tray Figure 4 3 Chassis Drive Tray The drives are mounted in drive trays to simplify their installation and removal from the chassis These trays also help promote proper airflow for the drive bays Warning Except for short periods of time swapping hard drives do not operate the server with the hard drives empty Figure 4 4 Removing Dummy Drive from Tray Installing a Hard Drive to the Hard Drive Tray 1 Remove the two screws securing the dummy drive to the drive tray and remove the dummy drive Place the hard drive tray on a flat surface such as a desk table or work bench 4 4 Chapter 4 Chassis Setup and Maintenance SASISATA Hard Drive r Drive Tray Figure 4 5 Installing the Hard Drive into the Tray 2 Slide the hard drive into the tray with the printed circuit board side facing down 3 Carefully align the m
7. 5 4 Rack Mounting Instr ctlOns aS Rack Rails ASSem bly cc ettet i p D eria greed ate Identifying the Inner Rack Rails ssesesesseseeeeeeeeenneeeee nnn Installing the Inner Rails on the Chassis Installing the Outer Rails onto a Rack seesssseseeeeseeeeenn Installing the Chassis into a Rack otra e te er teat Appendix A SC846 Cables and Hardware Appendix B SC846 Power Supply Specifications Appendix C SAS 846TQ Backplane Specifications Appendix D SAS 846EL Backplane Specifications Appendix E SAS2 846EL Backplane Specifications Appendix F SC846B Chassis Specifications vii SC846 Chassis Manual Notes viii Chapter 1 Introduction 1 1 Chapter 1 Introduction Overview Optimized for enterprise level high capacity storage applications Supermicro s 90846 chassis features twenty four hot swappable 3 5 SAS SATA hard drives and two fixed internal hard drive bays for optional hard drives in a 4U size The SC846 design offers maximum hard drive per space ratio in a 4U form factor The SC846 offers high power efficiency Gold Level 85 Optimized hard drive signal trace routing and improved hard drive carrier design dampens vibrations and maximizes performance The SC846 is equipped with 900W or 1200W Gold Level high efficiency redundant power supplies and five hot plug redundat cooling fans The SC846 is a reliable and hassle free maintenance storage system S
8. Bd od GU PRI JO OVERH EATFAI L1 FANFAIL1 e ERE poss Pep CELE e e Figure D 2 Front Jumper Locations and Pin Defimitions Explanation of Jumpers To modify the o i t y peration of the backplane enne tor e e jumpers can be used to choose between optional settings Jumpers create shorts between two pins to change the function 4 of the connector Pin 1 is identified with Jumper a square solder pad on the printed circuit board Note On two pin jumpers Closed means the jumper is on and Open means Setin g the jumper is off the pins n Safety Information and Technical Specifications General Jumper Settings Jumper Jumper Settings Note PRI MODE1 1 2 Factory setting Do not change SEC MODE1 1 2 Factory setting Do not change Open Disable Closed Enable Buzzer enable 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 SOCKET Connected Front panel
9. Default Jumper Jumper Setting Note JP84 1 2 SGPIO mode setting PC Setting Jumper Jumper Setting Note JP84 2 3 I2C setting C 9 SC846 Chassis Manual Front LED Indicators B B Ba Ba ba Ba Bs A A A A A A A D45 D47 D49 D51 D3 D36D89 949 e e T lu o lel Figure C 4 Front LEDs Front Panel LEDs LED State Specification D45 On Failure in Fan 1 D47 On Failure in Fan 2 D49 On Failure in Fan 3 D51 On Failure in Fan 4 D3 On Alarm 1 Overheat drive failure in Channel 1 D36 On Alarm 2 Overheat drive failure in Channel 2 D89 On Alarm 3 Overheat drive failure in Channel 3 D53 Off 5V Backplane power failure Light is on during normal operation D54 Off 12V Backplane power failure Light is on during normal operation Appendix C SAS 846TQ Backplane Specifications C 7 Rear Connectors and LED Indicators Eti AS 422 T 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 HDD 0 SAS 12 SAS SATA HDD 12 SAS 1 SAS SATA HD
10. Fan connectors FAN1 FAN2 and FAN3 7 Primaray SAS connector PRI JO 8 Primary SAS connector PRI J1 9 Primary SAS connector PRI J2 10 Secondary SAS connector SEC JO Not available in EL1 backplane 11 Secondary SAS connector SEC J1 Not available in EL1 backplane 12 Secondary SAS connector SEC 92 Not available in EL1 backplane E 3 SC846 Chassis User s Manual E 6 Front Connector and Pin Definitions 1 Primary PC Connector The C connectoris used to monitor the power supply status and to control the fans See the table on the right for pin definitions 2 Backplane Main Power Connectors The 4 pin connectors designated PWR1 PWR2 PWR3 PWR4 PWRS5 and PWR6 provide power to the backplane See the table on the right for pin definitions 3 and 4 Primary and Secondary Expander Chips This primary and secondary expander chips allow the backplane to support dual ports cascading and failover 5 EPP Ports The EPP ports are used for manufacturer diagnostic purposes only E 4 PC Connector Pin Definitions Pin Definition il Data 2 Ground 3 Clock 4 No Connection Backplane Main Power 4 Pin Connector Pin Definition l 12V 2and3 Ground 4 5V Appendix E SAS2 846EL Backplane Specifications 6 Fan Connectors Fan Connectors The 3 pin connectors designated FAN1 Pin Definiti through FANS provide power to the fans See the tab
11. Figure C 3 Front Jumpers Explanation of Jumpers Connector To modify the operation of the backplane Pins 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 3 2 1 means the jumper is on and Open means Setting the jumper is off the pins C 7 SC846 Chassis Manual Jumper Settings Jumper Jumper Settings Note JP35 Me Bm MG9072 chip reset 1 JP50 1 is MG9072 chip reset 2 JP129 i bd MG9072 chip reset 3 Fan Jumper Settings This backplane can use up to four fans To utilize each fan you must configure both jumpers as instructed below Fan Jumper Settings Jumper Jumper Settings Note JP61 Mu default FAN 1 JP97 default EE eee JP98 2 ei default FAN 2 JP63 default FAN 3 JP99 ee ta default FAN 3 JP64 dun default FAN 4 JP100 default FAN 4 C 8 Appendix C SAS 846TQ Backplane Specifications PC 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 jumper The following information details which jumper must be configured to use SGPIO mode or restore your backplane to IC mode SGPIO Setting
12. Instead use rubber mats that have been specifically designed as electrical insulators Use a grounded wrist strap designed to prevent static discharge Keep all components and printed circuit boards PCBs in their antistatic bags until ready for use Touch a grounded metal object before removing any board from its antistatic bag Do not let components or PCBs come into contact with your clothing which may retain a charge even if you are wearing a wrist strap 2 3 SC846 Chassis Manual Handle a board by its edges only do not touch its components peripheral chips memory modules or contacts When handling chips or modules avoid touching their pins Put the serverboard and peripherals back into their antistatic bags when not in use For grounding purposes make sure your computer chassis provides excellent conductivity between the power supply the case the mounting fasteners and the serverboard 2 4 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 SC846 models have two buttons on the chassis control panel a reset button and a power on off switch This chapter explains the meanings of all LED indicators and the appropriate responses you may need to take
13. Manual Single HBA Configuration Cables Single Port Cable Assembly Figure E 12 Single Port Internal Cable CBL 0167L Cable Name SAS EL2 EL1 Backplane Cable Internal with 2 port Cascading Cable 68 cm Part 4 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 E 13 External Cable CBL 0166L 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 E 18 Appendix E SAS2 846EL Backplane Specifications Connecting Multiple Backplanes in a Dual Channel Environment This section describes the cables used when cascading from dual HBAs These connections use CBL 0168L internal cables and CBL 0166L external cables cx a eom Cable 0168L i with Single Port Assembly Secondary Port Primary Port Internal cable Expander 2 Expander 1 HBA Host Bus Adapter Cable 0166L External cable Secondary Port Port Expander 2 Expander 1 Fi
14. ROM Drive Components Use the photograph below to identify the components which are required to install the DVD ROM drive into the rear peripheral bay of the SC846B chassis Figure F 1 SC846B DVD ROM Components DVD ROM Drive Components A Lower bracket B DVD ROM drive C DVD ROM backplane D Upper bracket E SATA cable F Mounting screws F 2 Appendix F SC846B Chassis Specifications Installing a DVD ROM Drive 1 Disconnect the power from the chassis by unplugging the power cord 2 Remove the screws securing the dummy cover into the rear peripheral drive bay This bay is located on the rear of the chassis beside the power supplies 3 Lift the dummy cover up and out of the peripheral drive bay Figure F 2 Removing the Dummy Cover from the Peripheral Drive Bay 4 Align the mounting holes in the DVD backplane with those in the rear of the DVD ROM drive 5 Secure the backplane to the rear of the DVD ROM drive using two screws Figure F 3 Securing the Backplane to the DVD ROM Drive F 3 SC846 Chassis Manual 6 Place the drive onto the lower bracket and align the mounting holes in the drive with those in the bracket 7 Use four mounting screws to secure the lower bracket to the drive Figure F 4 Installing the Lower Bracket onto the DVD ROM Drive 8 Place the upper bracket onto the drive and align the mounting holes in the drive with the holes in the upper bracket 9 Sec
15. Removing the Chassis Cover 14 2 4 3 Installing Hard Drives tete tincta coti ra retia retten 4 3 4 4 Installing the Motherboard entere tee 4 6 VO SMe a 4 6 Permanent and Optional Standofrs 5 iei eerte 4 7 Expansion Card Setup iure oet E 4 5 Installing the Air Shroud 4 6 Checking the Server s Airflow ssssssssesseeeeeeee nemen 4 11 4 7 Systemif liSua iii ete 4 12 4 80 Power Supply 4 14 4 9 Changing the Power Distributor eeesssessssseeeeeneeeeeee nne 4 17 4 10 Changing the CD ROM or DVD ROM and HDD 4 19 vi Preface 4 11 Accessing the Backplarie inerat cte ccce xy etel Chapter 5 Rack Installation 5 1 OG RVICW Me 5 2 Unpacking the Syslem roce ege e ep eel dida 5 9 Preparing for Setup arcent eret Choosing a Setup Locations arenon rr P pete Fest terea Pen Rack Precautions ies General Server Precautions rece sp Hg e eode e cd dg ds Rack Mounting Considerations Ambient Operating Temperature sesesssssssseeeeeeeeenennt REGUCEO AOW 22251 rn te deer Mechanical Loading rassier t a EAE Circuit Overloadirig Reliable Ground
16. SC846 Chassis Manual Installing the Backplane 1 Gently slide the backplane and its housing back into position in the chassis Slide the Backplane into the Chassis Sm SSS Figure 4 28 Replacing the Backplane in the Chassis 2 Replace the five lower screws which secure the backplane housing to the chassis floor Replace the Five Lower Screws Figure 4 29 Replacing the Four Lower Screws 4 24 Chapter 4 Chassis Setup and Maintenance 3 Replace the four upper screws which secure the backplane housing to the chassis 4 Reconnect the cabling to the backplane Replace the Four Upper Figure 4 30 Replacing the Three Upper Screws 4 25 SC846 Chassis Manual Notes 4 26 Chapter 5 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 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
17. Used Allows the chassis to be in a CSE PTJBOD CB1 Power card JBOD Just a Bunch of Drives configuration D 14 Safety Information and Technical Specifications Connecting an Internal Host Bus Adapter to the Backplane The following section lists the most common cables used to connect the host bus adapter to the backplane Figure D 11 Single Internal Host Bus Adapter Figure D 12 Dual Internal Host Bus Adapter IMPORTANT See Section D 12 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations Supported Internal HBA Cables Use the following listed cables to create connections between the internal HBA and SAS 846EL backplane The cables required depend on the HBA connector Cable Name iPass TO 4 lane Part 4 CBL 0117L 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 SAS 846EL backplane D 15 SAS 846EL Backplane User s Guide Cable Name iPass Mini SAS to iPass Mini SAS Part 4 CBL 0108L 02 Length 39 cm 15 inches Part 4 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 SAS 846EL backpla
18. a single host bus configuration the backplane connects to one Host Bus Saa Adapter HBA Single Host Bus Adapter Secondary ports Primary ports Expander 2 Expander 1 Single Host Bus Adapter Failover If the expander or data path in the primary ports fails the system automati cally switches to secondary ports Secondary ports Prima ports Expander 2 Expander 1 Dual Host Bus Adapter In a dual host bus configuration the backplane connects to two host bus adapters 5 m e Secondary ports Primary ports Expander 2 Expander 1 Dual Host Bus Adapter Failover y If the expander or data path in the E primary ports fails the system auto 2 matically switches to the secondary beg ports This maintains a full connection Secondary pons Primary Hors to all drives Expander 2 Expander 1 Figure E 5 Failover Configurations E 11 SC846 Chassis User s Manual E 12 Chassis Power Card and Support Cables 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 s
19. 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 with no motherboard and no HBA For more information see the SC846 chassis manual available at www supermicro com aS Port B Expander 2 Port A Expander 1 Single Port Cable External cable Assembly Cable 0167L Internal cable Cable 0166L Port B Expander 2 Port A Expander I z Port B Expander 2 Port A Expander Figure D 22 Simple Cascaded Configuration D 23 SAS 846EL Backplane User s Guide Server System with Single SAS HBA The expanders allow horizontal branching This configuration also applies to dual ports BB 58 B Tg Port A Expander 1 Cable 0167L pee e f7s internal cable L 4 Single Port Cable Assembly zl i E 8B Port A Expander 1 Port A Expander 1 Bm Port A Expander 1 Figure D 23 Cascaded Configuration with Horizontal Branching D 24 Safety Information and Technical Specifications Dual SAS HBA
20. any way If the chassis itself shows damage file a damage claim with carrier who delivered your system Decide on a suitable location for the rack unit that will hold that chassis It should be situated in a clean dust free area that is well venilated Avoid areas where heat electrical noise and eletromagnetic fields are generated You will also need it placed near at least one grounded power outlet When con figured the SC846 chassis includes a redundant power supply and requires two grounded outlets 2 3 Preparing for Setup The SC846 chassis includes a set of rail assemblies including mounting brackets and mounting screws you will need to install the systems into the rack Please read this manual in its entirety before you begin the installation procedure 2 4 Electrical Safety Precautions Basic electrical safety precautions should be followed to protect yourself from harm and the SC846 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 2 1 SC846 Chassis Manual outlet If an electrical accident occurs you can then quickly remove power from the system Do not work alone when working with high voltage components Power should always be disconnected from the system when removing or install ing main system components such as the serverboard memory modules and the DVD ROM and peripheral drives no
21. cable SC846E1 R900B SC846E2 R900B SC846E1 R710B SC846A R1200B SC846E1 R1200B SC846TQ R1200B SC846E26 R1200B SC846E16 R1200B Part Type Length Description CBL 0087 Ribbon 20 16 pin to 16 pin ribbon Round cable for control panel CBL 0160L Cable e two each regional power cords CBL 0217L Cable 16 pin control panel con verter cable A 1 SC846 Chassis Manual A 3 Compatible Cables These cables are compatible with the SC846 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 one 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 chass
22. cascading from dual HBAs These connections use CBL 0168L internal cables and CBL 0166L external cables Cable 0168L with Single Port Assembly Internal cable Port A Expander 1 4 7 I Cable 0166L l External cable ii l Port B Expander 2 Port A Expander l l ll al gt Figure D 19 Dual HBA Configuration IMPORTANT See Section D 12 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations D 21 SAS 846EL Backplane User s Guide Dual HBA Configuration Cables Dual Port Cable Assembly Figure D 20 Dual Port Internal Cable CBL 0168L Cable Name SAS Dual port Cable Assembly 68 76 cm Part CBL 0168L Placement Internal cable Ports Dual Description Internal cascading cable Connects the backplane to the host bus adapter or external port Used in dual port environments SS Figure D 21 External Cable CBL 0166L Cable Name SAS EL2 EL1 Cascading Cable External 68 cm Part CBL 0166L Placement External cable Ports Single or Dual Description External cascading cable Connects ports between servers Use one cable for single port connections and two cables for dual port connections D 22 Safety Information and Technical Specifications 3 5 Supported Cascading Configurations Cascading allows the system to
23. fan fail indicator Optional Front Panel LEDs LED State Specification Overheat drive failure LED indicator QVERHEATEAILI en Red light flashing buzzer on FANFAIL 1 On Fan 1 failure D 7 SAS 846EL Backplane User s Guide D 8 Rear Connectors and LED Indicators Figure D 3 Rear Connectors Rear SAS SATA Connectors Rear Connector SAS 0 SAS 1 SAS 2 SAS 3 SAS 4 SAS 5 SAS 6 SAS 7 SAS 8 SAS 9 SAS 10 SAS 11 SAS Drive Number SAS SATA HDD 0 SAS SATA HDD 1 SAS SATA HDD 2 SAS SATA HDD 3 SAS SATA HDD 4 SAS SATA HDD 5 SAS SATA HDD 6 SAS SATA HDD 7 SAS SATA HDD 8 SAS SATA HDD 9 SAS SATA HDD 10 SAS SATA HDD 11 Rear Connector SAS 12 SAS 13 SAS 14 SAS 15 SAS 16 SAS 17 SAS 18 SAS 19 SAS 20 SAS 21 SAS 22 SAS 23 SAS Drive Number SAS SATA HDD 12 SAS SATA HDD 13 SAS SATA HDD 14 SAS SATA HDD 15 SAS SATA HDD 16 SAS SATA HDD 17 SAS SATA HDD 18 SAS SATA HDD 19 SAS SATA HDD 20 SAS SATA HDD 21 SAS SATA HDD 22 SAS SATA HDD 23 D 8 Safety Information and Technical Specifications Rear LED Indicato
24. generated You will also need it placed near a grounded power outlet Be sure to read the Rack and Server Pre cautions in the next section 5 3 Preparing for Setup The box your chassis was shipped in should include two sets of rail assemblies two rail mounting brackets and the mounting screws you will need to install the System into the rack Read this section in its entirety before you begin the installa tion procedure outlined in the sections that follow Choosing a Setup Location Leave enough clearance in front of the rack to enable you to open the front door completely 25 inches Leave approximately 30 inches of clearance in the back of the rack to allow for sufficient airflow and ease in servicing 5 1 SC846 Chassis Manual Warnings and Precautions This product is for installation only in a Restricted Access Location dedicated equipment rooms service closets and similar environments 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 n single rack installation stabilizers should be attached to the rack n multiple rack installations the racks should be coupled together Always make sure the rack is stable before extending a component from the rack You should extend only one component at a time extending two or more si multaneously may cause the rack to become unstable
25. 01 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 Safety Information and Technical Specifications D 5 Front Connectors and Jumpers eo S 8 che T E 6 60 9 ex O on g o kazes Gees B on 8553 8333 ga 8555 gem 8 666 668 6 Figure D 1 Front Connectors Front Connectors and 2 Primary and secondary l C connectors optional Power connectors PWR1 PWR2 PWR3 PWR4 PWR5 and PWR6 Primary and secondary flash chips Primary and secondary expander chips EPP connectors J24 and J25 Fan connectors Fan1 Fan2 and Fan3 SAS connector PRI_JO ON Oo Oc A SAS connector PRI_J1 10 SAS connector PRI_J2 11 SAS connectors SEC_JO not available in EL1 single port backplane 12 SAS connector SEC_J1 not available in EL1 single port backplane 13 SAS connector SEC_J2 not available in EL1 single port backplane D 3 SAS 846EL Backplane User s Guide D 6 Front Connector and Pin Definitions 1 and 2 Optional Primary and Secondary FC Connectors The optional I C connectors are connected to the CSE PTJBOD CB2 board and are used to monitor the power supply status and to control the fa
26. AS 21 ACT 21 FAIL 21 SAS 22 ACT 22 FAIL 22 SAS 23 ACT 23 FAIL 23 E 9 SC846 Chassis User s Manual E 10 Single and Dual Port Expanders Single Ports SAS2 846EL 1 backplanes have a single port expander that accesses all hard drives and supports cascading Dual Ports SAS2 846EL2 backplanes have dual port expanders that access all the hard drives These dual port expanders support cascading failover and multipath From HBA From HBA or higher or higher backplane backplane J1 quo is pom Dg S X E k k amp e P m Secondary To lower To lower Primary ports backplane backplane ports Expander 2 in cascaded in cascaded Expander 1 system system From HBA or higher backplane To lower backplane in Primary ports cascaded system Expander 1 Figure E 4 Dual Port Cascading Configurations E 10 Appendix E SAS2 846EL Backplane Specifications E 11 Failover The SAS2 846EL2 backplane has two expanders which allow effective failover SAS HBA In
27. C846E1 and SC846E2 chassis models support only SATA SATA2 and SAS1 hard drives The maximum capacity supported by each of these drives is 2TB The SC846E1 and SC846E2 models do not support JBOD configurations 1 1 SC846 Chassis Manual 1 2 Shipping List Visit www supermicro com for the latest shipping lists for your chassis model SC846 Chassis Model SC846E16 R1200B SC846E26 R1200B SC846TQ R1200B SC846E1 R1200B SC846A R1200B SC846BE26 R920B SC846BE16 R920B SC846BA26 R920B SC846BA16 R920B SC846TQ R900B SC846E1 R900B SC846E2 R900B SC846E1 R710B CPU DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP DP UP HDD 24x SAS SATA 24x SAS SATA 24x SASISATA 24x SASISATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA 24x SAS SATA PCI Slots FF 7x FF Tx FF 7x FF TX EFE 7x FF TXEE 7x FF 7x FF 7x FF 7x FF 7x FF Tx FF Redundant Power Supplies 1200W Gold Level 1200W Gold Level 1200W Gold Level 1200W Gold Level 1200W Gold Level 920W 920W 920W 920W 900W 900W 900W 710W 1 3 Where to get Replacement Components Although not frequently you may need replacement parts for your system To ensure the highest level of professional service and technical support we strongly recommend purchasing exclusively from our Supermicro Author
28. Chassis Setup and Maintenance Chapter 4 Chassis Setup and Maintenance 4 1 Overview This chapter covers the steps required to install components and perform mainte nance on the chassis The only tool you will need to install components and perform maintenance is a Phillips screwdriver Print this chapter to use as a reference while Setting up your chassis For SC846B model chassis see Appendix F of this manual as the installation procedures differ for this chassis model Review the warnings and precautions listed in the manual before setting up or servicing this chassis These include information in Chapter 2 System Safety and the warnings precautions listed in the setup instructions Safety Warning Before performing any chassis setup or mainte nance it is recommended that the chassis be removed from the rack and placed on a stable bench or table For instructions on how to uninstall the chassis from the rack refer to Chapter 6 Rack Instal lation in this manual 4 1 SC846 Chassis Manual 4 2 Removing the Chassis Cover SSS af LSTA SSS WN 3 NESTS wa move this screw if necessary Release Tab Figure 4 1 Removing the Chassis Cover Removing 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
29. D 1 SAS 13 SAS SATA HDD 13 SAS 2 SAS SATA HDD 2 SAS 14 SAS SATA HDD 14 SAS 3 SAS SATA HDD 3 SAS 15 SAS SATA HDD 15 SAS 4 SAS SATA HDD 4 SAS 16 SAS SATA HDD 16 SAS 5 SAS SATA HDD 5 SAS 17 SAS SATA HDD 17 SAS 6 SAS SATA HDD 6 SAS 18 SAS SATA HDD 18 SAS 7 SAS SATA HDD 7 SAS 19 SAS SATA HDD 19 SAS 8 SAS SATA HDD 8 SAS 20 SAS SATA HDD 20 SAS 9 SAS SATA HDD 9 SAS 21 SAS SATA HDD 21 SAS 10 SAS SATA HDD 410 SAS 22 SAS SATA HDD 22 SAS 11 SAS SATA HDD 11 SAS 23 SAS SATA HDD 23 C 11 SC846 Chassis Manual Rear LED Indicators Rear LED Hard Drive Activity Failure LED SAS 0 D12 D5 SAS 1 D22 D23 SAS 2 D40 D37 SAS 3 D102 D107 SAS 4 D13 D6 SAS 5 D24 D29 SAS 6 D41 D38 SAS 7 D104 D108 SAS 8 D14 D7 SAS 9 D25 D30 SAS 10 D42 D39 SAS 11 D106 D109 SAS 12 D15 D8 SAS 13 D26 D31 SAS 14 D87 D88 SAS 15 D111 D110 SAS 16 D18 D19 SAS 17 D27 D32 SAS 18 D100 D103 SAS 19 D118 D119 SAS 20 D21 D20 SAS 21 D28 D33 SAS 22 D101 D105 SAS 23 D120 D121 C 12 Safety Information and Technical Specifications Appendix D SAS 846EL 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
30. ED 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 2 0 Release Date March 27 2012 Unless you request and receive written permission from Super Micro Computer Inc you may not copy any part of this document Information in this document is subject to change without notice Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders Copyright 2012 by Super Micro Computer Inc All rights reserved Printed in the United States of America Preface
31. General Server Precautions Review the electrical and general safety precautions that came with the com ponents you are adding to your chassis Determine the placement of each component in the rack before you install the rails Install the heaviest server components on the bottom of the rack first and then work up Use a regulating uninterruptible power supply UPS to protect the server from power surges voltage spikes and to keep your system operating in case of a power failure Allow the hot plug hard drives and power supply modules to cool before touch ing them Always keep the rack s front door and all panels and components on the servers closed when not servicing to maintain proper cooling 5 2 Chapter 5 Rack Installation 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 Overload
32. Preface About This Manual This manual is written for professional system integrators and PC technicians It provides information for the installation and use of the SC846 chassis Installation and maintenance should be performed by experienced technicians only This manual lists compatible parts available when this document was published Al ways refer to the our Web site for updates on supported parts and configurations SC846 Chassis Manual Manual Organization Chapter 1 Introduction The first chapter provides a checklist of the main components included with this chassis and describes the main features of the SC846 chassis This chapter also includes contact information Chapter 2 System Safety This chapter lists warnings precautions and system safety It recommended that you thoroughly familiarize yourself installing and servicing this chassis safety pre cautions Chapter 3 Chassis Components Refer here for details on this chassis model including the fans bays airflow shields and other components Chapter 4 System Interface Refer to this chapter for details on the system interface which includes the functions and information provided by the control panel on the chassis as well as other LEDs located throughout the system Chapter 5 Chassis Setup and Maintenance Follow the procedures given in this chapter when installing removing or reconfiguring your chassis Chapter 6 Rack Installation Refer to this ch
33. SUPERO 946 CHASSIS SERIES SC846TQ R1200B SC846E26 R1200B SC846E16 R1200B SC846E1 R1200B SC846A R1200B SC846BE16 R920B SC846BE26 R920B SC846BA16 R920B SC846BA26 R920B SC846TQ R900B SC846E1 R900B SC846E2 R900B SC846E1 R710B USER S MANUAL 2 0 SC846 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 INDIRECT SPECIAL INCIDENTAL SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE THIS PRODUCT OR DOCUMENTATION EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN PARTICULAR SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY HARDWARE SOFTWARE OR DATA STORED OR US
34. ackplane 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 Electrostatic Discharge ESD can damage electronic components To prevent dam age to your system it is important to handle it very carefully The following measures are generally sufficient to protect your equipment from ESD Use a grounded wrist strap designed to prevent static discharge Touch a grounded metal object before removing a component from the antistatic bag Handle the backplane by its edges only do not touch its components peripheral chips memory modules or gold contacts When handling chips or modules avoid touching their pins Put the card and peripherals back into their antistatic bags when not in use General Safety Guidelines Always disconnect power cables before installing or removing any components from the computer including the backplane Disconnect the power cable before installing or removing any cables from the backplane Make sure that the backplane is securely and properly installed on the mother board to prevent damage to the system due to power shortage C 1 SC846 Chassis Manual C 3 A 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 exactl
35. and Cascaded Configuration ak Port B Expander 2 Port A Expander 1 Dual Port Cable Assembly Cable 0168L internal cable Cable 0166L external cables a B Port B Expander 2 Port A Expander Port A Expander a l l l l l 4 1 l l l l l l l li a l eee ee ees l Figure D 24 Dual SAS with Cascaded Configuration IMPORTANT See Section D 12 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations D 25 SAS 846EL Backplane User s Guide Dual SAS HBA and Cascaded Configuration with Branching X E 1 3 Port B Ex 2 Port A Ex 1 Port B Ex 2 Port A Ex 1 tim 8 B H Port B Ex 2 Power Card Cable 0166L external cable T WB Port B Ex 2 tim 8 Port B Ex 2 Port A Ex 1 Power Card Figure D 25 Dual SAS HBA with Cascaded Configuration and Branching IMPORTANT See Section D 12 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations D 26 Appendix E SAS2 846EL Backplane Specifications Ap
36. apter for detailed information on installing the chassis into a rack environment You should follow the procedures given in this chapter when installing removing or reconfiguring your chassis into a rack environment Preface This section lists compatible cables power supply specifications and compatible backplanes Not all compatible backplanes are listed Refer to our Web site for the latest compatible backplane information Appendix A Cables and Hardware This section provides information on cabling and other hardware which is compat ible with your chassis For complete information on supported cables and hardware refer to the Supermico Web site at www supermicro com Appendix B Power Supply Specifications This chapter lists the specifications for the power supply provided with your chas sis For additional information refer to the Supermicro website at www supermicro com Appendix C SAS 846TQ Backplane Specifications This section contains details specific to the SAS 846TQ backplane for the SC846TQ chassis Additional information can be found on the Supermicro Web site at www supermicro com Appendix D SAS 846EL Backplane Specifications Refer to this chapter for detailed specifications on the SAS 846EL backplane for the SC846 EL chassis systems Additional information can be found on the Supermicro Web site at www supermicro com Appendix E SAS2 846EL Backplane Specifications This section contains detailed specific
37. ard drive tray into the chassis using two screws and two mylar washers Figure 4 23 Installing the HDD and HDD Tray in the Chassis 4 20 Chapter 4 Chassis Setup and Maintenance 6 Connect the power and data cables from the drive to other chassis compo nents including the motherboard and power distributor board Figure 4 24 Hard Drive and Hard Drive Tray Installed in the Chassis 4 21 SC846 Chassis Manual 4 11 Accessing the Backplane The SC846 chassis backplane is located behind the hard drives and in front of the front system fans In order to change jumper settings on the backplane it may be necessary to remove the backplane from the chassis Removing the Backplane 1 Power down and unplug the system from any power source Remove the chassis cover Disconnect the cabling to the backplane Remove the four upper screws securing backplane housing to the chassis and set these aside for later use Remove Four Upper Figure 4 25 Removing the Upper Backplane Housing Screws 4 22 Chapter 4 Chassis Setup and Maintenance 5 Remove the five lower screws securing the backplane housing to the chassis floor and set these aside for later use Remove 9 Five Lower Screws Figure 4 26 Removing the Lower Backplane Housing Screws 6 Gently ease the backplane up and out of the chassis Q Lift the Backplane From the Chassis Figure 4 27 Removing the Backplane from the Chassis 4 23
38. ations on the SAS2 846EL backplane for the SC846 EL chassis system E16 and E26 models Additional information can be found on the Supermicro Web site at www supermicro com Appendix F SC846B Chassis Specifications This section provides information specific to the SC846B model chassis Additional information can be found on the Supermicro Web site at www supermicro com SC846 Chassis Manual Table of Contents Chapter 1 Introduction 1 1 Overview Io Te EQ 1 2 1 3 Where to get Replacement Components ssessssssssseeeeene 1 2 1 4 Contacting Supermoto ti secre gu PER E NE 1 3 1 5 Returning Merchandise for Service 1 4 Chapter 2 System Safety 2 1 GIC m 2 1 2 2 Warnings and Precautions 32 71 2 89 Preparing for Setup ect P er e 2 1 2 4 Electrical Safety Precautions e coe cere mpe eae 2 1 2 5 General Safety Precautions ssssssssssssseseeeeeene nennen 2 3 e eni e C a 2 9 Chapter 3 System Interface 3 1 ead E 3 1 3 2 Control Panel Buttons 3 9 Control Panel BEDS or ree 3 2 3 4 Drive Camer WEDS tre mr rt be rere eres 3 4 SAS SATA DtIV8S ice ie i 3 4 3 4 Chapter 4 Chassis Setup and Maintenance 4 1 GM 4 1 4 2
39. ds The SC846 chassis includes PCI slots for expansion cards Installing Expansion Cards in the SC846 Chassis 1 Disconnect the power supply lay the chassis on a flat surface and open the chassis cover Remove the screw holding the cover in place for each PCI slot you want to use Keep this screw for later use Connect the expansion card to the mother board 4 Secure each card to the chassis using the card s L bracket and the previously removed screw 4 9 SC846 Chassis Manual 4 5 Installing the Air Shroud Figure 4 12 Air Shroud for SC846LP Chassis Air shrouds concentrate airflow to maximize fan efficiency The SC846 chassis air shroud does not require screws to set up Installing the Air Shroud 1 Confirm that your air shroud matches your chassis model Each shroud is labeled SC846LP SC846RC or SC846U 2 Place air shroud in the chassis The air shroud fits behind the two fans clos est to the power supply Chapter 4 Chassis Setup and Maintenance 4 6 Checking the Server s Airflow Checking the Airflow 1 Make sure there are no objects to obstruct airflow in and out of the server 2 Do not operate the server without drives or drive carriers 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
40. ections use CBL 0167L internal cables and CBL 0166L external cables CBL 0167L with Single Port Assembly B Internal cable Port B Expander 2 Port A Expander 1 I CBL 0166L External cable pore Port B Expander 2 Port A Expander l I l l b om gt Figure D 16 Single HBA Configuration SAS 846EL Backplane User s Guide Single HBA Configuration Cables Single Port Cable Assembly Figure D 17 Single Port Internal Cable CBL 0167L Cable Name SAS EL2 EL1 Backplane Cable Internal with 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 Figure D 18 External Cable CBL 0166L 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 20 Safety Information and Technical Specifications Connecting Multiple Backplanes in a Dual Channel Environment This section describes the cables used when
41. en the enclosure or use the unit in any uncon ventional way 2 2 Chapter 2 System Safety 2 5 2 6 General Safety Precautions Keep the area around the chassis clean and free of clutter Place the chassis top cover and any system components that have been re moved away from the system or on a table so that they won t accidentally be stepped on While working on the system do not wear loose clothing such as neckties and unbuttoned shirt sleeves which can come into contact with electrical circuits or be pulled into a cooling fan Remove any jewelry or metal objects from your body which are excellent metal conductors that can create short circuits and harm you if they come into contact with printed circuit boards or areas where power is present After accessing the inside of the system close the system back up and secure it to the rack unit with the retention screws after ensuring that all connections have been made 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
42. er Rails on the Chassis Installing the Inner Rails 1 Place the inner rails on the side of the chassis aligning the hooks of the chas sis with the inner rail holes Make sure that the rail faces outward so that it will fit with the rack s mounting bracket 2 Slide the rail toward the front of the chassis 3 Secure the rail to the chassis with four screws as illustrated 4 Repeat steps 1 3 for the other inner rack rail 5 5 SC846 Chassis Manual Secure to the Front of the Rack Secure to the Attach Outer Racks Rear of the Rack Together Figure 5 3 Assembling the Outer Rails Installing the Outer Rails onto a Rack Installing the Outer Rails 1 Attach the short bracket to the outside of the long bracket You must align the pins with the slides Also both bracket ends must face the same direction 2 Adjust both the short and long brackets to the proper distance so that the rail fits snugly into the rack 3 Secure the long bracket to the front side of the outer rail with two M5 screws and the short bracket to the rear side of the outer rail with three M5 screws 4 Repeat steps 1 4 for the remaining outer rail 5 6 Chapter 5 Rack Installation Figure 5 4 Installing the Outer Rails to the Server Rack 5 7 SC846 Chassis Manual Figure 5 5 Installing the Rack Rails Installing the Chassis into a Rack Installing the Chass
43. gure E 14 Multiple Backplanes in a Dual Channel Environment SC846 Chassis User s Manual Dual HBA Configuration Cables Dual Port Cable Assembly Figure E 15 Dual Port Internal Cable CBL 0168L Cable Name SAS Dual port Cable Assembly 68 76 cm Part CBL 0168L Placement Internal cable Ports Dual Description Internal cascading cable Connects the backplane to the host bus adapter or external port Used in dual port environments E 20 Appendix E SAS2 846EL Backplane Specifications E 13 Supported Cascading Configurations 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 an HBA Other servers require a power control card with no motherboard and no HBA For more information see the SC846 Chassis Manual available at www supermicro com Single Port Cable Secondary Port Primary Port Assembly Expander 2 Expander 1 Cable 0167L internal cable L Cable 0166L External cable Cable 0167L Secondary Port Primary Port Internal cable Expander 2 Expander 1 Secondary Port Expander 2 Figure E 16 Simple Cascaded Configura
44. h against the upper part of the hard drive handle Push the hard drive into the hard drive bay as illustrated below until the hard drive clicks into the locked position Figure F 9 Installing a Hard Drive into the Hard Drive Carrier Appendix F SC846B Chassis Specifications 12 Place the hard drive assembly into the chassis positioning it so that the mounting holes in the front of the hard drive align with those in the front of the the chassis and the mounting holes in the interior wall of the power sup ply bay align with those on the hard drive cage 13 Secure the hard drive assembly to the chassis using two screws on the inte rior wall and two screws on the rear of the chassis Figure F 10 Installing the Hard Drive Assembly into the Chassis 14 Connect the SATA cable to the SATA port on the backplane 15 Connect the power cords to the power supplies and power up the server F 9 SC846 Chassis Manual Disclaimer cont The products sold by Supermicro are not intended for and will not be used in life sup port systems medical equipment nuclear facilities or systems aircraft aircraft devices aircraft emergency communication devices or other critical systems whose failure to per form be reasonably expected to result in significant injury or loss of life or catastrophic property damage Accordingly Supermicro disclaims any and all liability and should buyer use or sell such products for use in such ultra haza
45. hes 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 SAS2 846EL backplane E 13 SC846 Chassis User s Manual Cable Name iPass Mini SAS to iPass Mini SAS Part CBL 0108L 02 Length 39 cm 15 inches Part 4 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 SAS2 846EL backplane Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure E 8 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 an SFF 8088 1X 26 pin at the other end E 14 Appendix E SAS2 846EL 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 configura tion system to connect to the other system that has a HBA Single External Host Bus Adapter HBA Host Bus Adapter CBL 0200L External HBA Cable Dual External H
46. ing 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 SC846 Chassis Manual 5 4 Rack Mounting Instructions Rack Rails Assembly This section provides information on installing the SC846 chassis into a rack unit with the rails provided There are a variety of rack units on the market which may mean that the assembly procedure will differ slightly 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 27 and 34 45 deep Identifying the Inner Rack Rails The chassis package includes a rack rail assembly in the rack mounting kit Each assembly consists of an inner rail that secures to the chassis and an outer rail that is attached directly to the rack Inner Rail Assembly Figure 5 1 Identifying the Rack Rails 5 4 Chapter 5 Rack Installation Figure 5 2 Installing the Rails Installing the Inn
47. ing to the manufacturer the RMA number should be prominently displayed on the outside of the shipping carton and mailed prepaid or hand carried Shipping and handling charges will be applied for all orders that must be mailed when service is complete 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 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 famailiar with common concepts and terminology 2 2 Warnings and Precautions You should inspect the box the chassis was shipped in and note if it was damaged in
48. is Manual T 9 Sideband Headers The sideband headers are designated JP66 JP68 JP75 JP77 JP112 and JP114 For SES 2 to work properly you must connect an 8 pin sideband cable See the table to the right for pin definitions NOTE SGPIO is the default setting for this backplane 10 Backplane Main Power Connectors The 4 pin connectors designated JP10 JP13 JP46 JP48 JP109 and JP110 provide power to the backplane See the table on the right for pin definitions 11 34 SAS Ports The SAS ports are used to connect the SAS drive cables The 24 ports are designated 0 23 Each port is also compatible with SATA drives C 6 Sideband Headers Pin Definition Pin Definition 2 SGPIO 1 Controller ID SDIN SB6 PC Backplane Addressing SB5 4 SGPIO 3 GND SB2 SDOUT PC Reset SB4 6 GND SB3 5 SGPIO SLOAD PC SDA SB1 8 Backplane 7 SGPIO ID SB7 SCLOCK FC SCL SBO 10 No Connec 9 No Connection tion Backplane Main Power 4 Pin Connector Pins 1 4 Definition 12V 2 and 3 Ground 5V Appendix C SAS 846TQ Backplane Specifications C 6 Front Jumper Locations and Pin Definitions qupiza ee M h s 1 de x e d 2225 a000 i
49. is are designed with 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 9 20 cm 4 pin CBL 0060 7 9 20 cm Front Panel to the Motherboard The SC846 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 CL M cable Part 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 cable if your motherboard requires several different con nections from the front panel A 3 SC846 Chassis Manual A A Chassis Screws The accessory box includes all the screws needed to set up your chassis This section lists and describes the most common screws used Your chassis may not require all the parts listed M B HARD DRIVE e Pan head Flat head 6 32x 5 mm 6 32x 5 mm 0 197 0 197 DVD ROM CD ROM and FLOPPY DRIVE em g Pan head Flat head Round head Round head 6 32 x 5 mm 6 32x 5 mm M3x5mm M2 6
50. is into a Rack 1 Confirm that chassis includes the inner rails A also confirm that the outer rails B are installed on the rack 2 Align chassis rails A with the front of the rack rails B 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 When the server has been pushed completely into the rack you should hear the locking tabs click into the locked position 4 Tighten up all the screws on the front side and rear side of both outer rails 5 Optional Insert and tightening the thumbscrews that hold the front of the server to the rack 5 8 Appendix A Chassis Cables Appendix A SC846 Cables and Hardware 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 A 2 Cables Included with SC846TQ Chassis SAS SATA SC846TQ R900 Part Type Length Description z 8 pin to 8 pin ribbon cable for CBL 0157L Cable 9 SGPIO PB free CBL 0087 Ribbon 20 16 pin to 16 pin ribbon cable for Round control panel CBL 0160L Cable 6 Two each regional power cords CBL 0180L SATA various e four SATA cables Lengih var ied to minimize airflow interference CBL 0217L Cable 16 pin control panel converter
51. it very carefully The following measures are generally sufficient to protect your equipment from ESD Use a grounded wrist strap designed to prevent static discharge Touch a grounded metal object before removing a component from the antistatic bag Handle the backplane by its edges only do not touch its components peripheral chips memory modules or gold contacts When handling chips or modules avoid touching their pins Put the backplane 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 backplane Disconnect the power cable before installing or removing any cables from the backplane Make sure that the backplane is securely and properly installed on the mother board to prevent damage to the system due to power shortage D 1 SAS 846EL Backplane User s Guide D 3 An Important Note to Users All images and layouts shown in this user s guide are based upon the latest PCB Revision available at the time of publishing The card you have received may or may not look exactly the same as the graphics shown in this manual D 4 Introduction to the SAS 846EL Backplane The SAS 846EL 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 846EL Revision 1
52. ized Distributors System Integrators Resellers A list of Supermicro Authorized Distributors System Integrators Resellers can be found at http www supermicro com Click the Where to Buy link 1 2 Chapter 1 Introduction 1 4 Contacting Supermicro Headquarters Address Tel Fax Email Web Site Europe Address Tel Fax Email Asia Pacific Address Tel Fax Web Site Technical Support Email Tel 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 gsupermicro 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 support supermicro com tw 886 2 8226 5990 1 3 SC846 Chassis Manual 1 5 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 return
53. le on the right for pin defini l oe 2 12V tions 3 Tachometer 7 13 SAS Connectors The primary and secondary sets of SAS connectors provide expander features in cluding cascading and failover From right to left the ports are Primary 0 Primary 1 and Secondary 0 Secondary 1 Note that secondary SAS ports are not present on the SAS2 846EL1 backplane E 5 SC846 Chassis User s Manual E 7 Front Jumper Locations and Settings BUZZER ENB1 LED DISABLE a EN AW 5 wwe We acriep1 Lo Se FAN MONITOR DISABLE 2 irj es een O 8 A SEC MODE2 T EE 00 L e E 5 en xs D 200 M Og PRI MODE1 Figure E 2 Front Jumper Locations and Settings Explanation of Jumpers To modify the o i t y peration of the backplane ane or e v 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 Jumper a square solder pad on the printed circuit board Note On two pin jumpers Closed means the jumper is on and Open means Setting the jumper is off the pins e E E 6 Appendix E SAS2 846EL Backplane Specifications General Jumper Settings Jumper Jumper Settings Note
54. ne D 16 Safety Information and Technical 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 configura tion system to connect to the other system that has a HBA Single External Host Bus Adapter mbi inn CBL 0200L External HBA Cable Figure D 13 Single External Host Adapter Dual External Host Bus Adapter qr CBL 0200L External HBA Cables Figure D 14 Dual External Host Bus Adapter IMPORTANT See Section 3 3 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations D 17 SAS 846EL Backplane User s Guide Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure D 15 SAS InfiniBand Cable CBL 0200L 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 pin at the other end D 18 Safety Information and Technical Specifications Connecting Multiple Backplanes in a Single Channel Environment This section describes the cables used when cascading from a single HBA These conn
55. ng the power cord 2 Remove the screws securing the dummy cover into the rear peripheral drive bay This bay is located on the rear of the chassis beside the power supplies 3 Lift the dummy cover up and out of the peripheral drive bay Figure F 7 Removing the Dummy Cover from the Peripheral Drive Bay 4 Align the mounting holes in the hard drive backplane with those in the rear of the hard drive cage 5 Secure the backplane to the rear of the hard drive cage using two screws Figure F 8 Installing the Backplane onto the Hard Drive Cage F 7 SC846 Chassis Manual 10 11 Remove the dummy drives from the hard drive carriers Insert a drive into the carrier with the PCB side facing down and the connec tor end toward the rear of the carrier Align the drive in the carrier so that the mounting holes of both are aligned Note that there are holes in the carrier marked SAS or SATA to aid in cor rect installation Secure the drive to the carrier with four screws as illustrated above Use the four M3 flat head screws included in the HDD bag of your accessory box Note that the screws used to secure the dummy drive to the tray cannot be used to secure the hard drive Insert the hard drive and drive carrier into its bay vertically keeping the carrier oriented so that the release button is on the bottom When the carrier reaches the rear of the bay the release handle will retract Using the thumb pus
56. ns See the table on the right for pin definitions 3 Backplane Main Power Connectors The 4 pin connectors designated PWR1 PWR2 PWR3 PWR4 PWRS5 and PWR6 provide power to the backplane See the table on the right for pin definitions 4 Primary and Secondary Flash Chips The primary and secondary flash chips enhance the backplane memory 5 Primary and Secondary Expander Chips This primary and secondary expander chips allow the backplane to support dual ports cascading and failover 6 EPP Ports The EPP ports are used for manufacturer diagnostic purposes only D 4 PC Connector Pin Definitions Pin Definition il Data 2 Ground 3 Clock 4 No Connection Backplane Main Power 4 Pin Connector Pin Definition l 12V 2 and 3 Ground 4 5V Safety Information and Technical Specifications T Fan Connectors Fan Connectors The 3 pin connectors designated FAN2 and FANS provide power to the as Denniion fans See the table on the right for pin i Ero 2 12V definitions 3 Tachometer 8 13 SAS Ports The primary and secondary sets of SAS ports provide expander features including cascading and failover From right to left the ports are primary 1 2 3 and secondary 1 2 3 D 5 SAS 846EL Backplane User s Guide D 7 Front Jumper Locations and Pin Definitions BUZZER ENB1 pr REMOTE FAN FAIL SOCKET1
57. orm the load balancing and failover tasks Dual Host Bus Adapter In a dual host bus configuration the backplane connects to two host bus SAS HBA adapters Ege 8 wm Port B Port A Expander 2 Expander 1 Figure D 8 Dual HBA Dual Host Bus Adapter SAS HBA Failover If the expander or data path in Port A SAS HBA fails the system automatically switches to Port B This maintains a full connec iz EE A A tion to all drives Port B Port A Expander 2 Expander 1 Figure D 9 Dual HBA Failover IMPORTANT For RAID controllers redundancy is achieved through port failover For multiple HBAs MPIO software is required to achieve failover protection D 13 SAS 846EL Backplane User s Guide D 13 Chassis Power Card and Support Cables 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 846 series backplane For more information see the PCC JBPWR2 power card manual This manual can be found at the http www supermicro com or as an appendix in the SAS 846EL chassis manual o o o o o o o o o o o o SUPER JBPWR2 Figure D 10 Chassis Power Card Sold Separately Power Card Part Number Part Type Where
58. ost Bus Adapter Host Bus Adapter CBL 0200L External HBA Cables Figure E 9 Connecting Single and Dual HBAs to the Backplane E 15 SC846 Chassis User s Manual Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure E 10 External Cable CBL 0166L 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 E 16 Appendix E SAS2 846EL 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 CBL 0167L with Single Port Assembly Internal cable Secondary Port Primary Port Expander 2 Expander 1 CBL 0166L External cable Secondary Port Primary Port Expander 2 Expander 1 Figure E 11 Single HBA Configuration SC846 Chassis User s
59. ounting holes in both the drive tray and the hard drive 4 Secure the hard drive to the tray using six screws 5 Replace the drive tray into the chassis Make sure to close the drive tray handle to lock the drive tray into place Figure 4 6 Installing the Hard Drive 4 5 SC846 Chassis Manual 4 4 Installing the Motherboard Shield Figure 4 7 I O Shield Placement Shield The 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 4 Once installed the motherboard will hold the I O shield in place 4 6 Chapter 4 Chassis Setup and Maintenance Permanent and Optional Standoffs Standoffs prevent short circuits by securing space between the motherboard and the chassis surface The 90846 chassis includes permanent standoffs in locations used by most motherboards These standoffs accept the rounded Phillips head screws included in the SC846 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
60. pendix E SAS2 846EL 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 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 backplane 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 backplane Disconnect the power cable before installing or removing any cables from the backplane Make sure that the backplane is securely and properly installed on the mother board to prevent damage to the system due to power shortage E 1 SC846 Chassis User s Manual E 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 publi
61. rdous 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 10
62. rs Rear Connector Hard Drive Activity LED 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 SAS 12 ACT 12 FAIL 12 SAS 13 ACT 13 FAIL 13 SAS 14 ACT 14 FAIL 14 SAS 15 ACT 15 FAIL 15 SAS 16 ACT 16 FAIL 16 SAS 17 ACT 17 FAIL 17 SAS 18 ACT 18 FAIL 18 SAS 19 ACT 19 FAIL 19 SAS 20 ACT 20 FAIL 20 SAS 21 ACT 21 FAIL 21 SAS 22 ACT 22 FAIL 22 SAS 23 ACT 23 FAIL 23 D 9 SAS 846EL Backplane User s Guide Notes Safety Information and Technical Specifications D 9 Dual Port and Cascading Configurations The following section contains cascading configurations for the SC846EL1 and SC846EL2 backplanes D 10 Single and Dual Port Expanders Single Ports SAS 846EL1 backplanes have a single port expander that access all twenty four drives and supports cascading Dual Ports SAS 846EL2 backplanes have dual port expanders that access all twenty four drives These dual port expanders support cascading failover and multipath From HBA or higher From HBA or higher backplane backplane Port B Port A Secondary Ports Primary Ports Expander 2 Expander 1 s z 90 To lower backplane in To lower backplane in cascaded system cascaded s
63. s into the locked position 6 Plug the AC power cord back into the module and power up the server 4 16 Chapter 4 Chassis Setup and Maintenance 4 9 Changing the Power Distributor Server chassis above 2U require a power distributor The power distributor provides failover and power supply redundancy In the unlikely event that you must change the power distributor do following 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 Power Distributor Cover Power Distributor Board Mounted in the tray on the chassis wall Power Supply Fan Row Figure 4 19 Removing the Power Distributor Cover SC846 Chassis Manual 3 Locate the power distributor between the power supply and the fan row 4 Remove the two screws securing the power distributor housing to the chassis wall 5 Remove the three screws securing the power distributor to the housing 6 Gently pull the power distributor and housing from the chassis Carefully guide all the cables through the power distributor housing 7 Remove the power distributor from the housing 8 Slide the new power distributor module into the power distributor housing Make sure that you slide the cables through the bottom of the housing 9 Reconnect all the po
64. shing 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 SAS2 846EL Backplane The SAS2 846EL 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 846EL1 and SAS2 846EL2 PCB Revision 1 10 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 sup ported configurations The SAS2 846EL1 backplane includes a primary expander chip and primary SAS connectors The SAS2 846EL2 includes of both primary and secondary expander chips as well as primary and secondary SAS connectors The primary and second ary expanders are redundant so that if one should fail the other will take over E 2 Appendix E SAS2 846EL Backplane Specifications E 5 Front Connectors and Jumpers Figure E 1 Front Connectors Front Connectors 1 Primary 20 connector PRI I2C 2 Power connectors PWR1 PWR2 PWR3 PWR4 PWR5 and PWR6 3 Primary expander chip 4 Secondary expander chip Not available in EL1 backplane 5 EPP connectors J26 and J27 6
65. status See Chapter 3 System Interface for details on the LEDs and the control panel buttons 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 4 11 SC846 Chassis Manual 4 7 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 Release Tab Figure 4 13 Front System Fan Figure 4 14 Rear System Fan Replacing a System Fan 1 If necessary open the chassis while the power is running to determine which fan has failed Never run the server for an extended period of time with the chassis open Turn off the power to the system and unplug the system from the outlet Remove the failed fan s power cord from the serverboard Press the fan release tab to lift the failed fan from the chassis and pull it com pletely 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 replac ing the chassis cover 4 12 Chapter 4 Chassis Setup and Maintenance
66. t necessary for hot swappable drives When disconnecting power you should first power down the system with the operating system and then unplug the power cords from all the power supply modules in the system When working around exposed electrical circuits another person who is fa miliar with the power off controls should be nearby to switch off the power if necessary Use only one hand when working with powered on electrical equipment This is to avoid making a complete circuit which will cause electrical shock Use extreme caution when using metal tools which can easily damage any electrical components or circuit boards they come into contact with Donotuse mats designed to decrease electrostatic discharge as protection from electrical shock Instead use rubber mats that have been specifically designed as electrical insulators The power supply power cord must include a grounding plug and must be plugged into grounded electrical outlets Serverboard battery CAUTION There is a danger of explosion if the onboard battery is installed upside down which will reverse its polarities This battery must be replaced only with the same or an equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions DVD ROM laser CAUTION this server may have come equipped with a DVD ROM drive To prevent direct exposure to the laser beam and hazardous radiation exposure do not op
67. this LED flashes it indicates a fan failure When con tinuously 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 pres ent and operating normally You should also check to make sure that the chassis covers are installed Finally verify that the heatsinks are installed properly This LED will remain flashing or on as long as the overheat condition exists Power Failure When this LED flashes it indicates a failure in the redundant power supply 3 3 SC846 Chassis Manual 3 4 Drive Carrier LEDs Your chassis uses SAS SATA SAS SATA Drives Each SAS SATA drive carrier has two LEDs Blue Solid on Drive is present and available Blinking 7 Drive is actively being accessed Each Serial ATA drive carrier has a blue LED When illuminated in a solid on state this blue 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 Red Solid on Drive failure Blinking Rebuilding RAID The red LED to indicate an SAS SATA drive failure If one of the SAS SATA drives fail you should be notified by your system management software SCSI Drives This chassis does not support SCSI drives at this time 3 4 Chapter 4
68. tions E 21 SC846 Chassis User s Manual Dual SAS HBA and Cascaded Configuration x Secondary Port Expander 2 Expander 1 Dual Port Cable Assembly Cable 0168L Internal cable 1 l i Cable 0166L External cables D Secondary Po Primary Port Expander 2 Expander 1 Secondary Port Expander 2 Expander 1 b ose Figure E 17 Dual SAS HBA with Cascaded Configuration E 22 000000070 7N Appendix E SAS2 846EL Backplane Specifications Notes E 23 Appendix F SC846B Chassis Specifications Appendix F SC846B Chassis Specifications F 1 Overview This appendix provides assembly instructions specific to SC846B model chassis only F 2 Revisions to the Data in this Appendix Content Revision History Date Revision Changes 12 16 11 1 0 Initial revision F 3 Installation Instructions for SC846B Models The SC846B model chassis is specially designed with two peripheral drive bays located in the rear of the chassis For information on which drives are compatible with the SC846B contact Supermicro s Technical Support department at www supermicro com F 1 SC846 Chassis Manual F 4 Installing a DVD ROM Drive Identifying the DVD
69. ure the upper bracket to the drive using two screws as shown below lo Figure F 5 Installing the Upper Bracket on the DVD ROM Drive F 4 Appendix F SC846B Chassis Specifications 10 Place the DVD ROM assembly into the chassis positioning it so that the bot tom bracket is against the interior wall of the power supply bay and the front of the DVD ROM drive is accessible through the opening of the rear DVD ROM bay 11 Align the mounting holes in the DVD ROM with those in the interior wall of the power supply bay and those on the exterior at the rear of the chassis between the DVD ROM bay and the power supply bay Secure the DVD as sembly to the chassis using two screws on the interior wall and two screws on the rear of the chassis 12 Connect the SATA cable to the SATA port on the backplane F 5 SC846 Chassis Manual F 5 Installing the Hard Drive Assembly Identifying the Hard Drive Assembly Components Use the photograph below to identify the components which are required to install the hard drvie into the rear peripheral bay of the SC846B chassis Figure F 6 SC846B Hard Drive Assembly Components Hard Drive Assembly Components A Two 2 5 hard drive carriers B Hard drive cage C Two SATA cables D Hard drive backplane E Mounting screws F 6 Appendix F SC846B Chassis Specifications Installing the Hard Drive Assembly 1 Disconnect the power from the chassis by unpluggi
70. wer cables replace the power supply and insert the plug into the wall Figure 4 20 Removing the Power Distributor and Housing 4 18 Chapter 4 Chassis Setup and Maintenance 4 10 Changing the CD ROM or DVD ROM and HDD Trays The SC846 chassis supports the following drive configuration options Position Description Position A N A Default or single 3 5 HDD tray or dual 2 5 HDD tray Position B Dummy cover default or single 3 5 HDD tray single 2 5 HDD tray DVD or peripheral drive Figure 4 21 Drive Location Options After selecting one of the drive configuration options listed above use the following instructions to install the drives and their trays into the chassis Installing the Hard Drive 1 Power down and unplug the system from the outlet 2 Remove the chassis cover 4 19 SC846 Chassis Manual 3 Install the HDD into the hard drive tray using four round head screws 6 32 and two Mylar washers Mylar Washer Screw 6 32 Fixed Screw 6 32 Screw 6 32 Figure 4 22 Securing the HDD into the HDD Tray 4 Lower the drive and tray into the chassis carefully inserting the lower rubber lined holes onto the pins at the base of the chassis and aligning the upper rubber holes with the holes in the chassis 5 Use the two drive tray screws with Mylar washers to secure the hard drive and drive tray on the standoff power supply cage Install the hard drive and h
71. x 5 mm 0 197 0 197 0 197 0 197 RAIL Flat head Round head Flat head M4 x 4 mm M4 x 4 mm 0 157 0 157 MSc Washer for M5 M B STANDOFFS D DS M B standoff M B CPU Thumb screw 1 U M B standoff 6 32 to 6 32 standoff 6 32 x 5 mm 6 32 x 5 mm M5 to 6 32 0 197 0 197 Appendix B Power Supply Specifications Appendix B SC846 Power Supply Specifications This appendix lists power supply specifications for your chassis system SC846TQ R900B SC846E1 R900B and SC846E2 R900B 900W MFR Part PWS 902 1R 100 240V jui AC Volt 50 60Hz 9 3 4 Amps 5V standby 4 Amps 12V 75 Amps 5V 50 Amps 3 3V 30 Amps 12V 0 6 Amps SC846E1 R710B 710W MFR Part PWS 711 1R DC Input Voltage Range 36V to 75V 24Amps 11Amps Voltage Nominal Voltage 48V 5V standby 4 Amps 12V 59 Amps 5V 30 Amps 3 3V 20 Amps 12V 0 6 Amps B 1 SC846 Chassis Manual SC846E16 R200B SC846E26 R1200B SC846TQ R1200B SC846A R1200B MFR Part AC Input DC Output 12V DC Output with PDB Certification 1200W PWS 1K21P 1R 100 140V 50 60Hz 8 11 5 Amps 180 240V 50 60Hz 5 5 8 Amps 1000W 83 Amps 100 140V 1200W 100 Amps 180 240V 5Vsb 4A 5V 50 Amps 3 3V 30 Amps 12V 0 6 Amps 80 PLUS Gold Certified GOLD B 2 Appendix C SAS 846TQ Backplane Specifications Appendix C SAS 846TQ B
72. y the same as the graphics shown in this manual 6 4 Introduction to the SAS 846TQ Backplane The SAS 846TQ backplane has been designed to utilize the most up to date technology available providing your system with reliable high quality performance This manual reflects SAS 846TQ Revision 1 00 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 supported configurations 0 2 Appendix C SAS 846TQ Backplane Specifications C 4 Front Connectors and Jumpers qp t ae gt 5 Figure C 1 Front Connectors Front Connectors 1 Chip MG 9072 7 Sideband Connector 1 JP66 2 Upgrade Connectors JP69 JP78 and 2 JP68 and JP115 8 Sideband Connector 3 JP75 3 ACT IN JP26 JP47 and JP108 and 4 JP77 4 PC Connector 1 JP37 and 2 9 Sideband Connector 5 JP112 JP95 and 6 JP114 5 PC Connector 3 JP52 and 4 10 Power Connectors 4 pin JP10 JP96 JP13 JP46 JP48 JP109 and 6 20 Connector 5 JP116 and 6 JP110 JP117 0 3 SC846 Chassis Manual Cmm C_ e o 11 12 13 14 15 16 17 18 19 20 21 22 23 24
73. you must place the hexagonal screw through the bottom the chassis and secure the screw with the hexagon nut rounded side i y M B standoff 6 32 to 6 32 Figure 4 8 Chassis Standoffs 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 7 SC846 Chassis Manual Figure 4 9 Motherboard Installation 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 Do not exceed 8 Ibs of torque when tightening down the mother board 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 panel and power supply as needed Also the fans may be temporarily removed to allow access to the backplane ports Figure 4 10 Secure the Motherboard to the Chassis 4 8 Chapter 4 Chassis Setup and Maintenance Expansion Card Setup PCI Slots Figure 4 11 Installing Expansion Car
74. ystem Figure D 4 SAS 846EL2 Dual Port Configuration From or higher backplane Port A Primary Ports Expander 1 INEST 4n P To lower backplane in cascaded system Figure D 5 SAS 846EL1 Single Port Configuration D 11 SAS 846EL Backplane User s Guide D 11 Failover The SAS 846EL2 backplane has two expanders which allow effective failover Single Host Bus Adapter SAS HBA In a single host bus configuration the backplane connects to one host bus adapter EP aR gt zu Port B Port A Expander 2 Expander 1 Figure D 6 Single HBA Single Host Bus Adapter If the expander or data path in Port A fails the system automatically switches to Port B e mm 8 e Port B Port A Expander 2 Expander 1 Figure D 7 Single HBA Failover D 12 Safety Information and Technical Specifications D 12 Failover with RAID Cards and Multiple HBAs The SAS 836EL 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 MPIO software must be installed and correctly configured to perf
75. ystem include a power card This section describes the supported power card for the SAS2 846EL series backplanes E R u m ge tx jam P CSE PTIBOD CB2 DE REV 1 01 Re Figure E 6 Chassis Power Card Sold Separately Power Card Part Number Part Type Where Used Allows the chassis to be in a CSE PTJBOD CB2 Power card JBOD Just a Bunch of Drives configuration E 12 Appendix E SAS2 846EL Backplane Specifications Connecting an Internal Host Bus Adapter to the Backplane The following section lists the most common cables used to connect the host bus adapter to the backplane TA Em im z Figure E 7 Connecting an Internal HBA to the Backplane Supported Internal HBA Cables Use the following listed cables to create connections between the internal HBA and SAS2 846EL backplane The cables required depend on the HBA connector Cable Name iPass TO 4 lane Part 4 CBL 0117L Length 46 cm 18 inc

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