Supermicro SuperChassis 745TQ-R920B
Contents
1. JP43 W q 42 o o o Figure C 2 Front Jumpers C 6 Appendix C SAS 743TQ Backplane Specifications Explanation of Jumpers 3 2 1 To modify the operation of the backplane 557 e e jumpers can be used to choose between optional settings Jumpers create shorts between two pins to change the function NENNEN of the connector Pin 1 is identified with Sumpan a square solder pad on the printed circuit board 3 2 1 Note On two pin jumpers Closed means the jumper is on and Open means the jumper is off the pins Jumper Settings Jumper Jumper Settings Note Open Enabled JP18 Closed Bisabled Buzzer Reset JP29 Sper Deu MG9072 Chip Reset Closed Reset The buzzer occurred sound indicates that a condition 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 C 7 SC745 Chassis Manual PC and SGPIO Mode Jumper Settings This backplane can utilize IPC or SGPIO I C is the default mode and can be used without making changes to your jumpers The following information details which jumpers must be configured to use SGPIO mode or restore your backplane to IC mode and SGPI2. HN aD qo vw e ew e o o o o e Figure C 1 Front Connectors JTAG Connector JP47 Upgrade Connector JP46 Chip MG9072 Power Connectors 4 pin JP10 and JP13 ACT IN JP26 Sideband Connector 2 JP52 Sideband Connector 1 JP51 2C Connector 2 JP45 C 3 9 10 11 12 13 14 15 16 17 2C Connector 1 JP44 SAS Port 0 J5 SAS Port 1 J6 SAS Port 2 J7 SAS Port 3 J8 SAS Port 4 J10 SAS Port 5 J12 SAS Port 6 J14 SAS Port 7 J16 SC745 Chassis Manual C 6 Front Connector and Pin Definitions 1 and 2 JTAG Connector and Upgrade Connectors The JTAG and Upgrade connectors des ignated JP47 and JP46 are used for diag nostic purposes These connectors should be used by a certified and experienced technician 3 MG9072 Chip The MG9072 is an enclosure management chip that supports the SES 2 controller and SES 2 protocols 4 Backplane Main Power Connectors The 4 pin connectors designated JP10 and JP13 provide power to the backplane See the table on the right for pin definitions 5 Activity LED Header The activity LED header designated JP26 is used to indicate the activity status of each SAS drive The Activity LED Header is located on the
3. 4 2 4 3 Control 11 55 5 diete eene e antenada 4 2 4 4 Drive Carrier LEDS anai 4 4 Jess iat 4 4 Preface Chapter 5 Chassis Setup and Maintenance 5 1 OVENIEW 5 1 5 2 Installation Proc dures 2ccccssceeceseeescarescoeceeeseceneeesnceesneccennanertos 5 1 General Maintenance tratte RE rne tpe rt nee RR das anda Ede 5 1 5 3 Removing the Chassis Front and Side Covers 5 2 NO ECDISe Ule 5 2 Ui Xzngese e 5 3 5 4 Configuring the Storage Module 55 sm 5 4 Tower or Rack Configuration 5 4 5 5 Installing Hard Drives sssss m 5 13 5 6 Installing the m 5 15 HO Slot Shield atch en rrr rei tret Fe EE retta 5 15 Permanent and Optional Standoffs ll 2 8 5 16 Installing the Motherboard mm 5 17 Expansion Card and PCI Slot Setup nnn 5 19 5 7 Installing the Air Shroud eee 5 21 Installation Compl te ritenere three 5 22 58 System Fans 5 23 5 9 Power Supply iicet preme fada died RS agia eerte RARAS 5 25 Power Supply tt tret cts 5 25 Chapter 6 Rack Installation MES e
4. SAS 0 SAS 1 SAS 2 SAS 3 SAS 4 SAS 5 SAS 6 SAS 7 91002 B 4 3 M M N5 v I SLI IM Joey A Ds pe 207 28 019 7jD20 2023 D26 vv v v vovo EE EE EE EE B B EE 8 B EE XX a x A AA 012 013 014 D15 D18 D24 D22 025 Figure C 4 Rear Connectors Rear SAS SATA Connectors Rear Connector SAS Drive Number SAS 0 SAS SATA HHD 0 SAS 1 SAS SATA HHD 1 SAS 2 SAS SATA HHD 2 SAS 3 SAS SATA HHD 3 SAS 4 SAS SATA HHD 4 SAS 5 SAS SATA HHD 5 SAS 6 SAS SATA HHD 6 SAS 7 SAS SATA HHD 7 Rear LED Indicators Rear LED Hard Drive Activity Failure LED SAS 0 D12 D5 SAS 1 D13 D6 SAS 2 D14 D7 SAS 3 D15 D8 SAS 4 D18 D19 SAS 5 D21 D20 SAS 6 D22 D23 SAS 7 D25 D26 Appendix C SAS 743TQ Backplane Specifications Notes SC745 Chassis Manual Disclaimer cont The products sold by Supermicro are not intended for and will not be used in life sup port systems medical equipment nuclear facilities or systems aircraft aircraft devices aircraft emergency communication devices or other critical systems whose failure to per form be reasonably expected to result in significant injury or loss of life or catastrophic property damage Accordingly Supermicro disclaims any and all liability and should buyer use or sell such products for use in such ultra hazardous applications it does so entirely at its own risk Furthermore buye
5. ya 6 1 6 2 Urnpacking the System tein necne s bz 6 1 6 3 Preparing for Setup nene tite enne tpi UR yaaa R teas pepe ssa m z 6 1 izle sini z lo pM 6 2 General Server Precautions seori 6 2 Rack Mounting Considerations 6 3 Ambient Operating 6 3 Reduced pg T E 6 3 Mechanical Loading coacto tee rrr core reo rere n 6 3 Circuit Overloading 2 irren ndr tete masa nea 6 3 RelableGrOUNG p en B R 6 3 6 4 Rack Mounting Instructions areas 6 4 Removing the Top Cover and Feet oti niens 6 4 Identifying the Sections of the Rack Rails 6 6 6 5 Tower Mounting Instructions eeeeeceeeennn nnn 6 10 vii SC745 Chassis Manual Appendix A SC745 Chassis Cables Appendix B SC745 Power Supply Specifications Appendix C SAS 743TQ Backplane Specifications viii Chapter 1 Introduction Chapter 1 Introduction 1 1 Overview Supermicro s SC745 4U chassis features a unique and highly optimized design The chassis is equipped with high efficiency power supply High performance fans provide ample optimized cooling for FB DIMM memory modules and eight hot swappable drive bays offer maximum storage capacity in a 4U form factor 1 2 Chassis Models Please visi
6. E Chassis Handle Chassis Rail Screw Figure 6 2 Identifying the Inner Rails and Chassis Handles 6 6 Chapter 6 Rack Installation Figure 6 3 Installing the Inner Rack Rails Installing the Chassis Handles and Inner Rails 1 Locate the two chassis handles and six handle screws 2 Align the chassis handle with the front of the chassis and secure with the three chassis handle screws 3 Repeats steps 1 and 2 with the other handle 4 Locate the two inner rails and twelve screws in the shipping package 5 Align the inner rails against the chassis as shown Confirm that the rails are flushed against the edge of the chassis 6 Tighten the screws Do not over tighten 7 Repeat steps 5 and 6 with the other inner rail 6 7 SC745 Chassis Manual Secure to the Rear of the Rack Attach to Middle Section Secure to the Front of the Rack Figure 6 4 Assembling the Outer Rails Installing the Outer Rails onto the Rack 1 Attach the front and rear short brackets to the outside of the long bracket Both bracket ends must face the same direction Adjust both the brackets to the proper distance so that the rail fits snugly into the rack Secure the front side of the outer rail with two M5 screws and the rear side of the outer rail with three M5 screws NOTE The outer rail is adjustable from approximately 26 to 38 25 Repeat steps 1 3 for the left outer rail 6 8 Chapter 6 Rack Installat
7. 12V 0 6 Amp 920VV Redundant X2 MFR Part PWS 920P 1R 100 240 V AC Input 50 60 Hz 11 4 5 Amp 4 Amp 5V standby DEOR Put 75 Amp O 12V 5V 30 Amp With Power Distributor 3 3V 24 Amp 12V 0 6 Amp B 1 SC745 Chassis Manual 1200W Redundant X2 MFR Part PWS 1K21P 1R 100 140V 50 60Hz 8 11 5 Amp Rated No voltado 180 240V 50 60Hz 5 5 8 Amp 1000W 83 Amp 100 140V DC Output 12V 1200W 100 Amp 180 240V 5Vsb 4A 5V 50 Amp DC Output with PDB 3 3V 30 Amp 12V 0 6 Amp GOLD Appendix C SAS 743TQ Backplane Specifications Appendix C SAS 743TQ Backplane Specifications To avoid personal injury and property damage carefully follow all the safety steps listed below when accessing your system or handling the components C 1 ESD Safety Guidelines 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 electrostatic 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 peripher
8. DOCUMENTATION EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN PARTICULAR SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY HARDWARE SOFTWARE OR DATA STORED OR USED WITH THE PRODUCT INCLUDING THE COSTS OF REPAIRING REPLACING INTEGRATING INSTALLING OR RECOVERING SUCH HARDWARE SOFTWARE OR DATA Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara County in the State of California USA The State of California County of Santa Clara shall be the exclusive venue for the resolution of any such disputes Super Micro s total liability for all claims will not exceed the price paid for the hardware product California Best Management Practices Regulations for Perchlorate Materials This Perchlorate warning applies only to products containing CR Manganese Dioxide Lithium coin cells Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate WARNING Handling of lead solder materials used in this product may expose you to lead a chemical known to the State of California to cause birth defects and other reproductive harm Manual Revision 1 0a Release Date December 1 2010 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 the
9. front panel For the Activity LED Header to work properly connect using a 10 pin LED cable C 4 Backplane Main Power 4 Pin Connector Pin Definition 1 12V 2and 3 Ground 4 5V Appendix C SAS 743TQ Backplane Specifications 6 and 7 Sideband Headers Eba Hadis The sideband headers are designated JP51 and JP52 For SES 2 to work properly you Detiniton Ee Cem must connect an 10 pin sideband cable 105 1 DEES See the table to the right for pin defini SBD tions 4 Reset 584 3 GND SB2 6 GND SB3 5 SDA SB1 8 Backplane 7 SCL SBO ID SB7 10 No Connec 9 No Connec tion tion 8 and 9 IC Connectors PC Connector Pin Definitions The I2C Connectors designated JP44 and JP45 are used to monitor HDD activity and 5 status See the table on the right for pin d pelts definitions Ground Clock A WO N No Connection 10 17 SAS Ports The SAS ports are used to connect the SAS drive cables The 8 ports are designated 0 7 Each port is also compatible with SATA drives However do NOT mix SAS and SATA drives in the same enclosure C 5 SC745 Chassis Manual C 7 Front Jumper Locations and Pin Definitions 40 n JP41 E P sear JP29 A JP18 d FEN bi
10. power from the system Do not work alone when working with high voltage components Power should always be disconnected from the system when removing or in stalling main system components such as the serverboard memory modules and the DVD ROM not necessary for hot swappable drives When discon necting 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 th
11. O Settings Jumper PC gi x Note p s 2 3 1 2 Controller ID 1 JP34 1 2 ID O 1 2 Backplane ID 1 JP36 2 3 1 2 Controller ID 2 JP37 2 3 ID 1 1 2 Backplane ID 2 JP38 Closed Open 2 Reset 2 JP40 Open Closed 2 Reset SDOUT 1 JP41 Open Closed lC Reset SDOUT 2 JP42 2 3 1 2 Backplane ID SDIN 1 JP43 2 3 1 2 Backplane ID SDIN 2 JP50 Closed Open C Reset 1 SAS Port Connections in C and SGPIO Settings Use the following chart when connecting this backplane If you connect the SAS ports out of order you will not able to easily identify drives using the LED func tion SAS Port Connections in and SGPIO Settings Port PC SGPIO 0 3 PC 1 Sideband 1 4 7 PC 2 Sideband 2 C 8 Appendix C SAS 743TQ Backplane Specifications Front LED Indicators SUPER SASMSQ ima 7 R m e zl z OH Drive sel EE E E Fail LED mmm TE Figure C 3 Front LEDs Front Panel LEDs LED State Specification D3 ON Overheat drive failure LED indicator Red light flashing Buzzer On if activated C 9 SC745 Chassis Manual C 8 Rear Connectors and LED Indicators
12. Part CBL 033L U320 CBL 0087 CBL 0063L CBL 0216L Type Ribbon Ribbon Round Cable Cable Cable dant power supply models Length Description 9 23 cm ULTRA 320 PB free 20 16 pin to 16 pin ribbon cable for control panel 20 Ultra 320 SCSI cable lead free 200 mm 4 pin to 4 pin fan power extension cable 3 6 Regional povver cord X2 for redun A 1 SC745 Chassis Manual A 4 Compatible Cables The following cables are compatible with the SC745 chassis Some compatible motherboards have different connectors If your motherboard has only one SAS connector that the SAS SATA cables must share use one of the following cables These cables must be purchased separately Cable Name SAS Cable Quantity 1 Part CBL 0175L Alt Name Big Four Description This cable has one SFF 8484 32 pin connector on one end and four SAS connectors seven pins each at the other This cable connects from the host motherboard or other controller to the backplane SAS hard drive port Cable Name SAS Cable Quantity 1 Part CBL 0116 Alt Name iPass or Small Four Description This cable has one iPass SFF 8087 Mini SAS connector 36 pin at one end and four SAS connectors on the other end This cable connects from the host motherboard or other controller to the backplane SAS hard drive port A 2 Appendix A Chassis Cables Extending Power Cables Although Supermicro chassi
13. SUPERO SC745 CHASSIS Series o9 68 16 00008 ooog 0000 el Tn OOO Oks CJ EJ EJ EJ s CJ EJ LJ LJ s SC745TQ R1200B SC745TQ 920B SC745TQ R800 B 5 74552 800 SC745TQ 800 B 5 74552 800 USER S MANUAL 1 0a SC745 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
14. TA drive failure If one of the SAS SATA drives fail you should be notified by your system management software SCSI Drives Each SCSI drive carrier has two LEDs Green When illuminated the green LED on the front of the SCSI drive carrier indicates drive activity A connection to the SCSI SCA backplane enables this LED to blink on and off when that particular drive is being accessed Red The SAF TE compliant backplane activates the red LED to indicate a drive failure If one of the SCSI drives fail you should be notified by your system management software 4 4 Chapter 5 Chassis Setup and Maintenance Chapter 5 Chassis Setup and Maintenance 5 1 Overview This chapter covers the steps required to install components and perform mainte nance on the chassis The only tool you will need to install components and perform maintenance is a Phillips screwdriver Print this page to use as a reference while setting up your chassis 5 2 Installation Procedures Removing the Chassis Front and Side Coversr Configuring the Storage Module Installing Hard Drives Installing the Motherboard Installing the Air Shroud and Checking the Airflow General Maintenance General Maintenance Systems Fans General Maintenance Power Supply 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 Rev
15. ace Appendix A Chassis Cables Appendix B Power Supply Specifications Appendix C SAS 743TQ Backplane Manual SC745 Chassis Manual Table of Contents Chapter 1 Introduction 1050000 o 1 1 1 2 Chassis Models da anla eret r 1 1 1 3 Chassis Features ince ne ence iure eta et RENE 1 2 pii 000 00 E 1 2 Hard DIIVES cM m n ave Rab 1 2 HO Expansion Slots aa Ada rte Gn sii i aa ee 1 2 Peripheral Drives SR 1 2 Other Features ioter eie cerita 1 2 1 4 Contacting Supetmicto assa ala sadalama 1 3 Chapter 2 System Safety UMEN ERR 2 1 2 2 Warnings and Precautions asinergia 2 1 2 3 Preparing for Setup rec RR ER Er C beet RR 2 1 2 4 Electrical Safety 2 2 2 5 General Safety Precautions sse 2 3 2 6 System Safely ssa icri reete tira tete descaso xe ERE nes nines fa LE nana pese 2 3 Chapter 3 Chassis Components MES eels 3 1 3 22 COMponenis e E 3 1 GULCCcII s 3 1 rede e ab bli 3 1 FANS m 3 1 Mounting Rails optional 3 2 M 3 2 3 2 3 3 Where to get Replacement Components 3 2 Chapter 4 System Interface LIMES TIU TT 4 1 4 2 Control Panel Buttons
16. als 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 SC745 Chassis Manual C 3 An Important Note to Users e All images and layouts shown in this user s guide are based upon the latest PCB revision available at the time of publishing The card you have received may or may not look exactly the same as the graphics shown in this manual C 4 Introduction to the SAS 743TQ Backplane The SAS 743TQ backplane has been designed to utilize the most up to date tech nology available providing your system with reliable high quality performance This manual reflects SAS 743TQ Revision 3 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 C 2 Appendix C SAS 743TQ Backplane Specifications C 5 Front Connectors Jumpers and LEDs e SUPER SAS743TQ im ele ele aie ee o 4 Sle 4 a n
17. cooling for the chassis Three fans are located in the front of the chassis with two fans in the rear These fans circulate air through the chassis as a means of lowering the internal temperature of the chassis The fans come pre installed to the chassis Each fan is hot swappable and can be replaced without removing any connections Fan Release Tab NSN eS Figure 5 23 Front Chassis Fans Replacing a System Fan 1 Open the chassis cover and determine which fan has failed Because the fans are hot swappable the chassis does not have to be powered down 2 Press the fan release tab and lift the failed fan from the chassis Front fans must be pulled straight up Rear fans must be tilted forward and then pulled out of the housing 3 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 direc tion as the arrows on the other fans As soon as the fan is connected it will begin working 5 23 SC745 Chassis Manual LE o o o o mn q o c Figure 5 24 Rear Chassis Fans Replacing a Rear Chassis Fan Press the rear fan release tab 1 2 Pull the fan from the chassis top first 3 Place the new fan in the chassis bottom first 4 Push the fan fully into the housing until the fan clicks into place 5 24 Chapter 5 Chassis Setup and Maintenance 5 9 Power Supply Depending on
18. e 4 Grasp the external edges of the storage module and pull the unit from the chassis 5 Turn the storage module ninety degrees as illustrated 6 Reinsert the module into the chassis and reconnect the cords 5 5 SC745 Chassis Manual Figure 5 6 Chassis Storage Module Adding Drives to the Storage Module The storage module includes three full sized drive bays and the front LED panel The storage module can be set up one of three ways A Add up to three extra hard drives to the drive trays B Add up to three peripheral drives CD ROM DVD ROM etc drive trays C Add five hot swappable hard drives to the storage module This configuration requires a mobile rack More information on mobile racks can be found at the Supermicro Web site at www supermicro com 5 6 Chapter 5 Chassis Setup and Maintenance Drive Tray Release Tabs Figure 5 7 Remove Drive Tray Adding up to Three Peripheral Hard Drives to the Drive Trays Open the chassis cover Locate the drive tray release tab for the slot you want to place the peripheral drive Push the drive tray toward the front of the chassis 5 7 SC745 Chassis Manual EN Hard Drive Tray Hard Drive Figure 5 8 Add a Hard Drive to the Drive Tray 4 Place the hard drive into the hard drive tray Make sure the type of hard drive SAS SATA or SCSI is supported by the motherboard The hard drive may not complet
19. e 6 7 Placing Chassis Feet Placing the Chassis Feet 1 Place the chassis foot in the foot receptacle and slide the foot toward the front of the chassis The foot should lock into place 2 Secure the foot to the chassis using one screw enclosed in the packaging 3 Repeat steps 1 and 2 for the remaining three chassis feet 6 11 SC745 Chassis Manual Notes Appendix A Chassis Cables A 1 Appendix A SC745 Chassis Cables 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 SC745TQ Chassis SAS SATA SC745TQ R800 800 Part CBL 0157L CBL 0087 CBL 0139L CBL 0044L CBL 0216L CBL 0180L 01 Type Cable Ribbon Round Wire Cable Cable SATA Cable Length 40 cm 20 50 cm 24 200 mm various 6 Description 8 pin to 8 pin ribbon cable for SGPIO PB free 16 pin to 16 pin ribbon cable for control panel IDE 80 Wire cable for DVD ROM Serial ATA Lead free 4 pin to 4 pin fan power extension cable 3 Set for 4 SATA Cables Length varied to minimize airflow interference Regional power cord X2 for redundant power supply models A 3 Cables Included with SC745S Chassis SCSI 5 74552 800 800
20. e fans are 4U high and are powered by 4 pin connectors Mounting Rails optional The SC745 can be placed in a rack for secure storage and use To setup your rack follow the step by step instructions included in this manual Power Supply Each SC745 chassis model includes a high efficiency 8596 and higher power supply with thermal control fan with options rated at 800 920 and 1200 Watts In the unlikely event your power supply fails replacement is simple and can be done without tools Air Shroud Air shrouds are shields usually plastic that funnel air directly to where it is needed Always use the air shroud included with your chassis 3 3 Where to get Replacement Components Though not frequently you may need replacement parts for your system To en sure the highest level of professional service and technical support we strongly recommend purchasing exclusively from our Supermicro Authorized Distributors System Integrators Resellers A list of Supermicro Authorized Distributors System Integrators Reseller can be found at http www supermicro com Click the Where to Buy link 3 2 Chapter 4 System Interface Chapter 4 System Interface 4 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 SC745 models have two buttons on the contr
21. e manufacturer Dispose of used batteries according to the manufacturer s instructions 2 2 Chapter 2 System Safety 2 5 2 6 Handle used batteries carefully Do not damage the battery in any way a dam aged battery may release hazardous materials into the environment Do not discard a used battery in the garbage or a public landfill Please comply with the regulations set up by your local hazardous waste management agency to dispose of your used battery properly DVD ROM laser CAUTION This server may have come equipped with a DVD ROM drive To prevent direct exposure to the laser beam and hazardous radiation exposure do not open the enclosure or use the unit in any uncon ventional way 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 th
22. e 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 Donotuse mats designed to decrease electrostatic discharge as protection from electrical shock Instead use rubber mats that have been specifically designed as electrical insulators 2 3 SC745 Chassis Manual Use a grounded wrist strap designed to prevent electrostatic 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 Donotlet components or PCBs come into contact with your clothing which may retain a charge even if you are wearing a wrist strap Handle a board by its edges only do not touch its components peripheral chips memory modules or contacts When handling chips or modules avoid touching their pins Put the serverboard and peripherals back into their antistatic bags when not in use For grounding purposes make sure your computer chassis provides exce
23. ely fill the tray 5 Secure the hard drive to the tray with four screws from the bottom 6 Slide the hard drive into the chassis until the tray clicks into place 7 Repeat these steps for each hard drive tray 5 8 Chapter 5 Chassis Setup and Maintenance Drive Tray Release Tabs Figure 5 9 Remove Drive Tray Up to three peripheral drives DVD ROM CD ROM and others may be added to the drive trays Adding up to Three Peripheral Drives to the Drive Trays 1 Open the chassis cover 2 Locate the drive tray release tab for the slot you want to place the peripheral drive 3 Push the drive tray toward the front of the chassis 5 9 SC745 Chassis Manual Hard Drive Tray Hard Drive Rails Figure 5 10 Add Hard Drive Rails to the DVD ROM Drive 4 Remove the hard drive tray rails from the hard drive tray To do this you must remove two screws from each side 5 Attach the rails to a DVD ROM CD ROM or other peripherals The rails should fit any standard sized peripherals 6 Slide the peripheral into the chassis until the tray clicks into place 7 Repeat these steps for each hard drive tray 5 10 Chapter 5 Chassis Setup and Maintenance Drive Tray Release Tabs Figure 5 11 Remove Drive Tray The SC745 chassis accepts an M35TQ or M35S SCSI mobile rack to install extra hot swappable hard drives The mobile rack goes into the storage module which goes into the chassis For more infor
24. ent temperature of the room Therefore consideration should be given to installing the equipment in an environment compatible with the manufacturer s maximum rated ambient tempera ture Tmra Reduced Airflow Equipment should be mounted into a rack so that the amount of airflow required for safe operation is not compromised Mechanical Loading Equipment should be mounted into a rack so that a hazardous condition does not arise due to uneven mechanical loading Circuit Overloading Consideration should be given to the connection of the equipment to the power supply circuitry and the effect that any possible overloading of circuits might have on overcurrent protection and power supply wiring Appropriate consideration of equipment nameplate ratings should be used when addressing this concern Reliable Ground A reliable ground must be maintained at all times To ensure this the rack itself should be grounded Particular attention should be given to power supply connec tions other than the direct connections to the branch circuit i e the use of power strips etc 6 3 SC745 Chassis Manual 6 4 Rack Mounting Instructions This section provides information on installing the SC745 chassis into a rack unit with the rails provided There are a variety of rack units on the market which may mean the assembly procedure will differ slightly You should also refer to the instal lation instructions that came with the rack unit you a
25. es that you are an experienced technician familiar with common concepts and terminology 2 2 Warnings and Precautions You should inspect the box the chassis was shipped in and note if it was damaged in any way If the chassis itself shows damage file a damage claim with carrier who delivered your system Decide on a suitable location for the rack unit that will hold that chassis It should be situated in a clean dust free area that is well ventilated Avoid areas where heat electrical noise and electromagnetic fields are generated You will also need it placed near at least one grounded power outlet When con figured the SC745 chassis includes one power supply R models for example the SC745TQ R800B chassis include a redundant power supply and require two grounded outlets 2 3 Preparing for Setup The SC745 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 1 SC745 Chassis Manual 2 4 Electrical Safety Precautions Basic electrical safety precautions should be followed to protect yourself from harm and the SC745 from damage Be aware of the locations of the power on off switch on the chassis as well as the room s emergency power off switch disconnection switch or electrical outlet If an electrical accident occurs you can then quickly remove
26. he Chassis 1 Unlock and open the chassis cover 2 Press the release button to extend the drive tray handle 3 Using the handle pull the drive tray out by the handle The drive is hot swappable and there are no cables to disconnect 5 13 SC745 Chassis Manual Drive Tray SASISATA or SCSI Hard Drive Figure 5 15 Remove Dummy Drive Tray 4 Remove the screvvs holding the drive tray to the dummy drive 5 Place a hard drive in the drive tray Figure 5 16 Install Hard Drive 6 Secure the hard drive to the tray using four screws 7 Insert the hard drive into the chassis using the following steps 7a Press the hard drive release button to extend the drive tray handle 7b Insert the hard drive into the chassis and close the handle to lock the hard drive into place 5 14 Chapter 5 Chassis Setup and Maintenance 5 6 Installing the Motherboard IO Shield The I O shield holds the motherboard ports in place Install the I O shield before you install the motherboard r m IO Shield Figure 5 17 SC745 Chassis I O Shield Installing the I O Shield 1 Revlevv the documentation that came vvith your motherboard Become familiar with component placement
27. hen this LED flashes it indicates a fan failure When continuously on not flashing it indicates an overheat condition which may be caused by cables obstructing the airflow within the system or the ambient room temperature being too warm Check the routing of the cables and make sure all fans are present and operating normally 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 4 2 Chapter 4 System Interface e NIC2 Indicates network activity on GLAN2 when flashing e NIC1 Indicates network activity on GLAN1 when flashing HDD Indicates IDE channel activity SAS SATA drive SCSI drive and or DVD ROM drive activity when flashing V7 P4 Power Indicates power is being supplied to the system s power supply units This LED should normally be illuminated when the system is operating 4 3 Chassis Manual 4 4 Drive Carrier LEDs Your chassis uses SAS SATA or SCSI drives but not both SASISATA Drives Each SAS SATA drive carrier has two LEDs Green Each SAS SATA drive carrier has a green LED When illuminated this green LED on the front of the SAS SATA drive carrier indicates drive activity A connection to the SATA backplane enables this LED to blink on and off when that particular drive is being accessed Red The red LED to indicate an SAS SA
28. iew the warnings and precautions listed in the manual be fore setting up or servicing this chassis These include infor mation in Chapter 2 System Safety and the warning precau tions listed in the setup instructions 5 1 SC745 Chassis Manual 5 3 Removing the Chassis Front and Side Covers Side Cover Cover Latch Button Cover Latch Handle Figure 5 1 Removing the Chassis Cover The Side Cover Removing the Chassis Side Cover 1 Push the cover latch button to release the latch handle 2 Pull the cover off the chassis using the latch handle Replacing the Chassis Side Cover 1 With the latch handle open slide the cover back onto the chassis 2 Press the latch downward when the cover is in place 5 2 Chapter 5 Chassis Setup and Maintenance o que SS 0AALP 0000000000 0 000 ooo00000o0o00 ooo000000o00 0000000000 ooOooo0000000 L 18 oo mo mo oo 00 00 xo wo Front Cover oo Front Cover Lock oo L1CICI S CTCT CI OOOOOUOO L L L L L L L OOOUOUOOUO oo Figure 5 2 Opening the Front Cover The Front Cover The front cover houses up to eight hot swappable hard drives The cover can be locked
29. ion Figure 6 5 Installing the Chassis into a Rack Installing the Chassis into a Rack 1 Confirm that chassis includes the inner rails and the outer rails 2 Line chassis rails with the front of the rack rails 3 Slide the chassis rails into the rack rails keeping the pressure even on both sides it may be necessary to depress the locking tabs when inserting When the server has been pushed completely into the rack you should hear the locking tabs click 6 9 SC745 Chassis Manual 6 5 Tower Mounting Instructions The SC745 chassis is shipped with the chassis cover and feet pre installed To use the chassis as a desktop server no other installation is required Use the instructions in this section if you have converted the chassis for rack use and need to return the chassis to tower mounting Chassis Cover Chassis Rack Mount Ears Chassis Feet Figure 6 6 Adding Chassis Feet and Top Cover Installing the Top Cover 1 Remove the rack mount ears 2 Align the cover post with the corresponding holes on the top of the chassis and place the cover on top of the chassis The cover should overhang ap proximately one half inch over the front of the chassis 3 Slide the chassis cover toward the rear of the chassis to lock the cover into place 6 10 Chapter 6 Rack Installation Chassis Foot Receptacle Chassis Foot Chassis Screw Figur
30. ir respective companies or mark holders Copyright 2010 by Super Micro Computer Inc All rights reserved Printed in the United States of America Preface Preface About This Manual This manual is written for professional system integrators and PC technicians It provides information for the installation and use of the SC745 4U chassis Installa tion and maintenance should be performed by experienced technicians only Supermicro s SC745 chassis series is optimized for the latest Intel Xeon pro cessor 5500 series Nehalem and is also compatible with previous generation Intel and AMD dual processor based motherboards Utilizing redundant high efficiency power supplies 85 and up with the Gold Level 1200W option and eight hot swappable 3 5 drive bays this chassis offers reliable performance with problem free maintenance Designed with 10096 cooling redundancy via a combina tion of high performance fans and an adjustable air shroud capable of fitting any generation of motherboard the SC745 minimizes the probability of system downtime or performance degradation from thermal related issues The SC745 features a ninety degree rotatable drive bay module seven tool less expansion slots and 6 pin power connectors supporting high end graphics cards and GPU cards The SC745 is quick to configure and easy to operate For compatible backplane information refer to the Supermicro Web site at www supermicro com For informatio
31. llent conductivity between the power supply the case the mounting fasteners and the serverboard 2 4 Chapter 3 Chassis Components Chapter 3 Chassis Components 3 1 Overview This chapter describes the most common components included with your chassis Some components listed may not be included or compatible with your particular chassis model For more information see the installation instructions detailed later in this manual 3 2 Components Chassis Chassis may include the following three options Eight hot swappable 3 5 hard drives Up to three GPUs Seven expansion slots For the latest shipping lists visit our Web site at http www supermicro com This chassis accepts three hot swappable system cooling fans and one sometimes two power supplies SC745 models come in beige and black Backplane Each SC745 chassis comes with a 4U backplane Depending on your order your backplane will support SAS SATA or SCSI For more information regarding compat ible SAS SATA backplanes view the appendices found at the end of this manual For SCSI backplane information contact the Supermicro Technical Support department at http www supermicro com support Additional information can be found on our Web site at http www supermicro com 3 1 SC745 Chassis Manual Fans The SC745 chassis accepts three system fans and two rear exhaust fans System fans for SC745 chassis are powered from the serverboard Thes
32. mation on mobile racks visit the Supermicro Web site at www supermicro com Adding Five Hard Drives Using A Supermicro Mobile Rack 1 Open the chassis cover 2 Locate the drive release tabs 3 Pull the first drive release tab and push the drive tray toward the front of the chassis Repeat this for all three tabs 5 11 SC745 Chassis Manual Hard Drive Rails Hard Drive Tray Figure 5 12 Remove the Hard Drive Rails 4 Remove the hard drive tray rails from the hard drive tray To do this you must remove two screws from each side Do this for all three hard drive trays 5 Attach the rails to a DVD ROM CD ROM or other peripheral The rails should fit any standard sized peripherals Mobile Rack Hard Drive Rails Figure 5 13 Add Hard Drive Rails to Storage Rack 6 Install all six hard drive rails to the mobile rack Each individual rail requires two screws Also make sure the arrow on the rail points toward the front of the chassis 7 Slide the mobile rack into the storage module and chassis 5 12 Chapter 5 Chassis Setup and Maintenance 5 5 Installing Hard Drives Drive Tray Handle Sz SZ Release Button Figure 5 14 Install Hard Drives The drives are mounted in drive carriers to simplify their installation and removal from the chassis These carriers also help promote proper airflow for the drive bays Installing Hard Drives to t
33. n on SCSI backplanes contact the technical support department of Supermicro computer SC745 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 SC745 chassis This chapter also includes contact information Chapter 2 System Safety This chapter lists warnings precautions and system safety You should thoroughly familiarize yourself with this chapter for a general overview of safety precautions that should be followed before installing and servicing this chassis Chapter 3 Chassis Components Refer here for details on this chassis model including the fans bays airflow shields and other components Chapter 4 System Interface Refer to this chapter for details on the system interface which includes the functions and information provided by the control panel on the chassis as well as other LEDs located throughout the system Chapter 5 Chassis Setup and Installation Refer to this chapter for detailed information on this chassis You should follow the procedures given in this chapter when installing removing or reconfiguring your chassis Chapter 6 Rack Installation Refer to this chapter for detailed information on chassis rack installation You should follow the procedures given in this chapter when installing removing or reconfiguring your chassis into a rack environment Pref
34. nboard features are included to promote system health These include cool ing fans a convenient power switch reset button and five LED indicators 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 Super Micro Computer Inc 980 Rock Ave San Jose CA 95131 U S A 1 408 503 8000 1 408 503 8008 marketing supermicro com General Information support supermicro com Technical Support www supermicro com Super Micro Computer B V Het Sterrenbeeld 28 5215 ML s Hertogenbosch The Netherlands 31 0 73 6400390 31 0 73 6416525 sales supermicro nl General Information support supermicro nl Technical Support rma supermicro nl Customer Support Super Micro Computer Inc 4F No 232 1 Liancheng Rd Chung Ho 235 Taipei County Taiwan R O C 886 2 8226 3990 886 2 8226 3991 www supermicro com tw Technical Support Email Tel support supermicro com tw 886 2 8226 1900 1 3 SC745 Chassis Manual Notes 1 4 Chapter 2 System Safety 2 1 Chapter 2 System Safety Overview This chapter provides a quick setup checklist to get your chassis up and running Following the steps in the order given should enable you to have your chassis set up and operational within a minimal amount of time This quick setup assum
35. nts prevent the air shroud from fitting securely Remove tabs only if necessary Installing the Air Shroud 1 Remove the chassis cover 2 Place air shroud in your chassis with the fan side touching the edge of the two fans closest to the power supply The other side should cover both the rear fans 3 Replace the chassis cover 5 21 SC745 Chassis Manual Air Shroud pu DIO Figure 5 22 Air Shroud in Place Checking the Airflow 1 Make sure there are no objects to obstruct airflow in and out of the server In addition if you are using a front bezel make sure the bezel s filter is replaced periodically 2 Do not operate the server without drives or drive trays in the drive bays Use only recommended server parts 3 Make sure no wires or foreign objects obstruct the airflow through the chas sis Pull all excess cabling out of the airflow path or use shorter cables 4 The control panel LEDs inform you of system status See Chapter 3 System Interface for details on the LEDs and the control panel buttons Installation Complete In most cases the chassis power supply and fans are pre installed If you need to install fans or a power supply 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 5 22 Chapter 5 Chassis Setup and Maintenance 5 8 System Fans Five heavy duty fans provide
36. ol panel a reset button and an on off switch This chapter explains the meanings of all LED indicators and the appropriate response you may need to take o n AAlP E 0000000000 000000 000 0000 000 000 00000 0 000 oo0o00000000 Ranauunaunanna oo oo xa xu oo oo oo oo mo wa xu mo wa mao oo 004 181 0 DJOICICICICIC EJEJESTEIEAJETE LJLIEIEI CIEIEJ Figure 4 1 Front LEDs 4 1 Chassis Manual 4 2 Control Panel Buttons There are two push buttons located on the front of the chassis These are the power on off button and the reset button Power The main power switch is used to apply or remove power from the power supply to the server system Turning off the system power with this but ton removes the main power but keeps standby power supplied to the system Therefore you must unplug system before servicing Reset The reset button is used to reboot the system 4 3 Control Panel LEDs The control panel is located on the front of the SC745 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 a Overheat Fan Fail W
37. que when tightening down the motherboard Secure the CPU s heatsinks and other components to the motherboard chassis and or backplane as needed 5 17 SC745 Chassis Manual Power Supply Connections Connect each of the following cables as required by your motherboard manufacturer In some instances not all of these cables are required and some cables may not be included with the motherboard Power Supply Cable Name No Connects to Description 20 pin or 24 pin power cable pro 20 pin or 24 pin 1 motharboard vides electricity to the motherboard power cable Has 20 24 yellow black gray red orange green and blue wires Each cable has three connectors two hard drive connectors and one floppy drive FDD connector Attach b 2 backplane the HDD connectors to the back power cable plane If you are using a SuperMi cro backplane the FDD connector does not need to be attached EF nolar Provides povver to the motherboard p 1 motherboard 1 CPU This cable has 2 black and 2 board cable yellow wires Asin mother Provides power to expansion card P 1 motherboard This cable has two black and two board cable yellow wires 5 pin SMBus power cable 1 m ns AS ie S4 Syston RETE S ment bus to monitor power supply small Intrusion detection cable allows the 2 pin INT cable 1 motherboard system to log when the server chas sis has been opened 5 18 Chapter 5 Chassis Set
38. r 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
39. re using NOTE The outer rail is adjustable from 26 to 38 25 Removing the Top Cover and Feet The SC745 chassis is shipped with the chassis cover and feet pre installed Both the feet and cover must be removed for before installing the rails Chassis Cover Chassis Feet 9 ZX Cover Lock Figure 6 1 Remove Feet and Chassis Top Cover 6 4 Chapter 6 Rack Installation Removing the Top Cover 1 Locate the chassis cover lock blue lever at the rear of the chassis cover 2 Slide the chassis cover lock to the right and push chassis cover forward 3 Lift the chassis top cover off the chassis Removing the Chassis Feet 1 Place the chassis on its side with the chassis side cover facing upward 2 Remove the screw holding the chassis foot in place 3 The foot lock is a tab located in the center of the foot that prevents the foot from sliding Using a flat head screwdriver gently lift the foot lock upward and slide the foot toward the rear of the chassis 4 Repeat steps 2 and 3 with each remaining foot 6 5 SC745 Chassis Manual Identifying the Sections of the Rack Rails The chassis package includes two rack rail assemblies in the rack mounting kit Each assembly consists of two sections an inner fixed chassis rail that secures directly to the server chassis and an outer fixed rack rail that secures directly to the rack itself Inner Rails Chassis Handle Screw
40. requirements and precautions 2 Open the chassis cover 3 Choose the proper I O shield for the motherboard you are installing 4 With the illustrations facing the outside of the chassis place the shield into the space provided Once installed the motherboard ports will hold the I O shield in place 5 15 SC745 Chassis Manual Permanent and Optional Standoffs Standoffs prevent short circuits by securing space between the motherboard and the chassis surface The SC745 chassis packaging includes optional standoffs hexagonal shaped posts These standoffs accept the rounded Phillips head screws which are also included in the SC745 accessories package Standoffs Figure 5 18 Chassis Standoffs 5 16 Chapter 5 Chassis Setup and Maintenance Installing the Motherboard Motherboard Installation 1 Review the documentation that came with your motherboard Become familiar with component placement requirements and precautions Disconnect the power supply and lay the chassis on a flat surface Open the chassis cover As required by your motherboard install standoffs in any areas that do not have a permanent standoff Lay the motherboard on the chassis aligning the permanent and optional standoffs Compare the holes in the chassis to those in the motherboard and add or remove standoffs as needed Secure the motherboard to the chassis using the rounded Phillips head screws Do not exceed eight pounds of tor
41. s 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 0042L 7 9 20 20 pin CBL 0059L 7 9 20 8 pin CBL 0062L 7 9 20 CM 4 pin CBL 0060L 7 9 20 Front Panel to the Motherboard The SC745 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 Number of Pins Number of Pins Front Panel Motherboard 16 pin 16 pin CBL 0049L 16 pin 20 pin CBL 0048 20 pin 20 pin CBL 0047L 16 pin Various CBL 0068L 20 pin Various CBL 0067 Split cables Use these cables if your motherboard requires several different con nections from the front panel A 3 SC745 Chassis Manual Notes Appendix B Power Supply Specifications Appendix B SC745 Power Supply Specifications This appendix lists power supply specifications for your chassis system 800W Redundant X2 MFR Part PWS 801 1R 100 240V Rated AC Voltage 50 60Hz 10 4 Amp 5V standby 4 Amp 12V 66 Amp 5V 30 Amp 3 3V 24 Amp
42. steps in the order given should enable you to have the system operational within a minimum amount of time 6 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 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 6 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 Please read this section in its entirety before beginning the installation procedures Choosing a Setup Location Leave enough clearance in front of the rack to open the front door completely 25 inches Leave approximately 30 inches of clearance in the back of the rack to allow for sufficient airflow and ease in servicing This product is to be installed in a Restricted Access Location only dedicated equipment rooms service closets and others 6 1 SC745 Chassis Manual Warnings and Precautions Rack Precautions Ensure that
43. t the following link for the latest shipping lists and part numbers for your par ticular chassis model http www supermicro com products chassis 4U chs 745 SC745 Chassis Model CPU HDD VO Slots Power Supply 1200W SC745TQ R1200B DP UP 8x SAS SATA TX EE Redundant Gold Level SC745TQ 920B DP UP 8x SAS SATA 7x FF 7 Platinum 8x SAS 1442 800VV SC745TQ R800 B DP UP SATA Redundant 8x U320 5 74552 800 DP UP SCSI Tx FF 800w Redundant 2 Channel 8x SAS SC745TQ 800 B DP UP SATA Tix RE 800W 8x U320 5 74552 800 SCSI 7x FF 800W 2 Channel 1 1 SC745 Chassis Manual 1 3 Chassis Features The SC745 4U high performance chassis includes the following features CPU The SC745 chassis supports a DP UP dual processor single processor Please refer to the motherboard specifications pages on our Web site for updates on sup ported processors Hard Drives The SC745 chassis features eight slots for U320 SCSI or SAS SATA drives These drives are hot swappable Once set up correctly these drives can be removed without powering down the server In addition these drives support SAF TE SCSI and SES2 SAS SATA Expansion slots Each version of the SC745 chassis includes seven full I O expansion card PCI slots Peripheral Drives Each SC745 chassis provides three 5 25 peripheral drive bays for floppy drive DVD ROM CD ROM drive or additional hard drives Other Features Other o
44. 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 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 6 2 Chapter 6 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 ambi
45. to prevent unauthorized access The key to this lock is shipped with the system Removing the Front Cover 1 Unlock the front cover using the key shipped with the system 2 Pull the cover open using the handle near the lock 5 3 SC745 Chassis Manual 5 4 Configuring the Storage Module Storage Module oo xe SS 0000000000 0000000000 0000000000 uunununnuan DODODODODO nuoaagaagaagogad 00 00 00 oo oo oo mo o mo HO wa mo Xu HO oo OI DI 9 D DJ CI OOOOOOO LJLJCIEIEJEJE gooo Figure 5 3 Chassis in Tower Mode Storage Module Figure 5 4 Chassis in Rack Mount Mode Tower or Rack Configuration The SC745 chassis is shipped in tower mode and can be immediately used as desktop server If the chassis is to be used in a rack you must turn the storage module ninety degrees This can be done before during or after setup 5 4 Chapter 5 Chassis Setup and Maintenance Storage Module orage Module Release Lever Figure 5 5 Remove the Storage Module Rotating the Storage Module for Rack Mounting 1 Open the chassis cover 2 Locate the storage module and disconnect any cables from the storage mod ule to any component in the chassis 3 Push the storage module release lever This lever unlocks the storage mod ul
46. up and Maintenance Lift the Release Tab Press the Middle of the Release Tab Figure 5 19 Add on Card Expansion Card Port Expansion Card and PCI Slot Setup After the motherboard has been installed expansion cards may be installed Installing Expansion Cards 1 Locate the release tab on the top of the PCI slot bracket 2 Gently apply pressure in the middle of the release tab to unlock the PCI slot bracket 3 Pull the release tab upward 5 19 SC745 Chassis Manual Figure 5 20 Remove PCI Card Slot Guard 4 Remove the screw holding the bracket in place and pull the bracket from the chassis 5 Install your PCI card or other add on card into the PCI slot bracket and moth erboard To do this slide the PCI card with L bracket into the PCI slot and secure the card to the motherboard 6 Push the PCI bracket release tab down until it locks into place with an audible click 7 Secure the PCI card with the screw previously removed from the chassis 8 Repeat this process with each PCI card you want to install into the chassis 5 20 Chapter 5 Chassis Setup and Maintenance 5 7 Installing the Air Shroud Removable Tabs Figure 5 21 Air Shroud Air shrouds concentrate airflow to maximize fan efficiency The SC745 chassis air shroud does not require screws to set up NOTE The air shroud includes tabs that can be removed if motherboard compo ne
47. your chassis model the SC745 chassis has an 800 920 or 1200 Watt power supply R model chassis feature a second redundant power supply This power supply is auto switching capable This enables it to automatically sense and operate at a 100v to 240v input voltage An amber light will be illuminated on the power supply when the power is off An illuminated green light indicates that the power supply is operating Power Supply Failure In redundant power supply models the system automatically switches to the second power supply when the first fails If your system has only one power supply the System shuts down in the unlikely event of a power failure Replacing the Power Supply 1 Power down the server and unplug the power cord If your chassis includes a redundant power supply at least two power modules you can leave the server running and remove only one power supply 2 Push the release tab on the back of the power supply 3 Pull the power supply out using the handle provided 4 Replace the failed power module with the same model 5 Push the new power supply module into the power bay until it clicks into the locked position 6 Plug the AC power cord back into the module and power up the server 5 25 SC745 Chassis Manual Notes 5 26 Chapter 6 Rack Installation Chapter 6 Rack Installation 6 1 Overview This chapter provides a quick setup checklist to get your chassis up and running Following these
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