SUPER MICRO Computer sc827 manual

SC827 Chassis Series USER’S MANUAL 1.0 ! ! ! ! S UPER ® SC827H-R1200B SC827H-R1400B SC827T -R1200B SC827T -R1400B[...]

SC827 Chassis Manual ii Manual Revision 1.0 Release Date: October 1, 2009 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 manua[...]

iii Preface Preface About This Manual This manual is written for professional system integrators and PC technicians. It provides information for the installation and use of the SC827 2U chassis. Installa - tion and maintenance should be performed by experienced technicians only . Supermicro’s SC827 2U chassis features a unique and highly-optimize[...]

SC827 Chassis Manual iv Manual Organization Chapter 1 Introduction The rst chapter provides a checklist of the main components included with this chassis, and describes the main features of the SC827 chassis. This chapter also includes contact information. Chapter 2 System Safety This chapter lists warnings, precautions, and system safety . Y ou[...]

v Preface Compatible Backplanes This section lists compatible cables, power supply specications, and compatible backplanes. Not all compatible backplanes are listed. Refer to our W eb site for the latest compatible backplane information. Appendix A Chassis Cables Appendix B Power Supply Specications Appendix C SAS-827T Backplane Specicatio[...]

SC827 Chassis Manual vi T able of Contents Prefac e About This Manual ............................................................................................. ii i Manual Organization .......................................................................................... iv Chapter 1 Introductio n 1-1 Overview ..............................[...]

vii Preface Add-on Card/Expansion Slot Setup .............................................................. 5-1 4 Installing the Riser Card ......................................................... ...................... 5-1 5 5-7 Installing the Air Shrouds .............................................................................. 5-1 7 Air Shr[...]

SC827 Chassis Manual viii Notes[...]

1-1 Chapter 1: Introduction Chapter 1 Introduction 1-1 Overview Supermicro's SC827 (2U T win 2 ) chassis is designed to optimize performance per W att and per dollar with four independent hot-pluggable DP computing nodes ef - ciently organized into a 2U form factor. Each node provides three 3.5" hard drives for RAID 5 data protection, [...]

SC827 Chassis Manual 1-2 1-3 Contacting Supermicro Headquarters Address: Super Micro Computer , Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. T el: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (T echnical Support) Web Site: www.supermicro.com Europe Address: Super Micro Compute[...]

1-3 Chapter 1: Introduction 1-4 Returning Merchandise for Service A receipt or copy of your invoice marked with the date of purchase is required be - fore any warranty service will be rendered. Y ou can obtain service by calling your vendor for a Returned Merchandise Authorization (RMA) number . When returning to the manufacturer , the RMA number s[...]

SC827 Chassis Manual 1-4 Notes[...]

2-1 Chapter 2: System Safety Chapter 2 System Safety 2-1 Overview This chapter provides a quick setup checklist to get your chassis up and running. Following the steps in order given should enable you to have your chassis setup and operational within a minimal amount of time. This quick set up assumes that you are an experienced technician, famaili[...]

SC827 Chassis Manual 2-2 Do not work alone when working with high voltage components. • Power should always be disconnected from the system when removing or in - • stalling main system components, such as the serverboard, memory modules and the DVD-ROM and oppy drives (not necessary for hot swappable drives). When disconnecting power, [...]

2-3 Chapter 2: System Safety 2-5 General Safety Precautions Keep the area around the chassis clean and free of clutter . • Place the chassis top cover and any system components that have been re - • moved away from the system or on a table so that they won’t accidentally be stepped on. While working on the system, do not wear loose clot[...]

SC827 Chassis Manual 2-4 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 cha[...]

3-1 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 C[...]

SC827 Chassis Manual 3-2 Power Supply Each SC827 chassis model includes a high-efciency 80 Plus Gold Level power supply , rated at 1200 or 1400 W atts. In the unlikely event your power supply fails, replacement is simple and can be accomplished without tools. Air Shroud The SC827 chassis requires mylar air shrouds for each node to direct the air[...]

4-1 Chapter 4: System Interface Chapter 4 System Interface 4-1 Overview There are several LEDs on the control panel and on the drive carriers to keep you constantly informed of the overall status of the system. SC827 models include four control panels on the handles of the chassis which control each of the systems. This chapter explains the meaning[...]

SC827 Chassis Manual 4-2 4-2 Control Panel Buttons Power: The main power button on each of the four control panels is • used to apply or remove power from the power supply to each of the four systems in the chassis. Turning off system power with this but - ton removes the main power , but keeps standby power supplied to the system. Therefore, [...]

4-3 Chapter 4: System Interface as long as the temperature is too high or a fan does not function properly . NIC: Indicates network activity on either LAN1 or LAN2 when flashing • . 4-4 Drive Carrier LEDs The SC827 chassis uses SAS/SA T A drives. SAS/SA T A Drives Each SAS/SA T A drive carrier has two LEDs. Blue: Each Serial A T A drive carrie[...]

SC827 Chassis Manual 4-4 Notes[...]

5-1 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 . Review the warnings and precautions listed in [...]

SC827 Chassis Manual 5-2 5-2 Chassis Cover Before operating the SC827 chassis for the rst time, it is important to remove the protective lm covering the top of the chassis, in order to allow for proper ventila - tion and cooling. Removing the Chassis Cover and Protective Film Remove the two screws which secure the top cover onto the chassis a[...]

5-3 Chapter 5: Chassis Setup and Maintenance Figure 5-2: Hard Drives and the Corresponding Motherboards MB: A MB: B MB: C MB: D 5-3 Installing and Removing Hard Drives The SC827 chassis contains four individual motherboards in separate node draw - ers. Each motherboard node controls a set of three hard drives. Note that if a motherboard node drawer[...]

SC827 Chassis Manual 5-4 Removing Hard Drive Trays from the Chassis Press the release button on the drive tray . This extends the drive bay handle. 1. Use the handle to pull the drive out of the chassis. 2. Figure 5-3: Removing a Hard Drive T ray 1 2[...]

5-5 Chapter 5: Chassis Setup and Maintenance The drives are mounted in drive trays to simplify their installation and removal from the chassis. These trays also help promote proper airow for the drive bays. Figure 5-4: Chassis Drive T ray Installing a Drive into the Hard Drive Tray Remove the screws (2) holding the drive to the tray . 1. Remove [...]

SC827 Chassis Manual 5-6 Install a new drive into the tray with the printed circuit board side facing down 3. so that the mounting holes align with those in the carrier . Secure the hard drive by tightening all six (6) screws. 4. Use the open handle to replace the drive tray into the chassis. Make sure the 5. close the drive tray handle. Drive T ra[...]

5-7 Chapter 5: Chassis Setup and Maintenance Figure 5-7: Removing the Screws at the T op of the Backplane 5-4 Removing and Installing the Backplane The SC827 chassis backplane is located behind the hard drives and in front of the front system fans. Although backplane failure rarely occurs, in the event of a backplane failure, follow the instruction[...]

SC827 Chassis Manual 5-8 Loosen the three screws in the spring bar , located on the oor of the chassis, 6. indicated by the arrows below . Gently ease the backplane up and out of the chassis at a slight angle. 7. 1 7 Figure 5-8: Loosening the Spring Bar Screws in the Floor of the Chassis Figure 5-9: Removing the Backplane from the Chassis 1 6[...]

5-9 Chapter 5: Chassis Setup and Maintenance 1 2 1 3 1 4 Figure 5-10: Installing the Backplane Installing the Backplane Installing the Backplane into the Chassis Ensure that all of the hard drive trays have been removed from the bays in 1. the front of the chassis and that the spring bar has been loosened as directed in the previous section. Secure[...]

SC827 Chassis Manual 5-10 5-5 Installing the Motherboard I/O Shields Figure 5-1 1: I/O Shield Placement Compatible Motherboards Most Supermicro T win series motherboards are compatible with the SC827 chassis. For the most up-to-date information on compatible motherboards and other parts, visit the Supermicro Web site at www .supermicro.com. Hot-swa[...]

5-1 1 Chapter 5: Chassis Setup and Maintenance Installing the Motherboard Review the documentation that came with your motherboard. Become familiar 1. with component placement, requirements, precautions, and cable connec - tions. Pull the motherboard node drawer out of the back of the chassis. 2. Remove the add-on card brackets: 3. 3a. Remove screw[...]

SC827 Chassis Manual 5-12 Connect the cables between the motherboard, backplane, chassis, front 8. panel, and power supply , as needed. Also, fans may be temporarily removed to allow access to the backplane ports. Replace the add-on card bracket and secure the bracket with a screw . 9. Repeat steps 3 - 5 for the remaining nodes. 10.[...]

5-13 Chapter 5: Chassis Setup and Maintenance Figure 5-13: Adapter Card Installation 5-6 Installing and Replacing Adapter Cards Adapter cards provide hot-swappable functionality to the chassis. Removing the Adapter Card Remove the motherboard drawer from the chassis. 1. Disconnect the wiring, connecting the adapter card to the motherboard if any 2.[...]

SC827 Chassis Manual 5-14 Add-on Card/Expansion Slot Setup The SC827 chassis supports one low-prole expansion slot for each node, for a total of four slots in the chassis. T o install a low-prole PCI card, follow the instruc - tions below . Add-on Card Slot Clip PCI Slot Shield Figure 5-14: I/O Shield Conguration[...]

5-15 Chapter 5: Chassis Setup and Maintenance Figure 5-15: Installing the Riser Card Installing the Riser Card Installing the Riser Card Disconnect the power supply and lay the chassis on a at surface. 1. Pull the motherboard node drawer from the chassis. 2. Remove the add-on card bracket. 3. 3a. Remove the screw securing the add-on bracket to t[...]

SC827 Chassis Manual 5-16 Riser Card Riser Card Screw PCI Slot Shield Add-on Card Installing Add-on Cards Disconnect the power supply , lay the chassis on a at surface, and open the 1. chassis cover . Pull out the motherboard node drawer from the chassis. 2. Pull open the add-on card slot clip in the rear of the motherboard node 3. drawer . Remo[...]

5-17 Chapter 5: Chassis Setup and Maintenance Figure 5-17: Installing the Air Shroud with Different Motherboards 5-7 Installing the Air Shrouds Air Shrouds Air shrouds concentrate airow to maximize fan efciency . The SC827 chassis requires air shrouds for each motherboard node. Air shrouds vary depending upon the motherboard used. See the ill[...]

SC827 Chassis Manual 5-18 Checking Airow Make sure there are no objects to obstruct airow in and out of the server . In 1. addition, if you are using a front bezel, make sure the bezel's lter is replaced periodically . Do not operate the server without drives or drive trays in the drive bays. Use 2. only recommended server parts. Make[...]

5-19 Chapter 5: Chassis Setup and Maintenance Four fans provide cooling for the chassis. These fans circulate air through the chas - sis as a means of lowering the chassis internal temperat ure. The SC827 system fans are easy to change modules. There is no need to uninstall any other parts inside the system when replacing fans, and no tools are req[...]

SC827 Chassis Manual 5-20 Figure 5-19: Replacing a System Fan in the Fan Housing Changing a System Fan If necessary , open the chassis while the power is running to determine which 1. fan has failed. (Never run the server for an extended period of time with the chassis cover open.) Remove the failed fan's power cord from the backplane. 2. Lift[...]

5-21 Chapter 5: Chassis Setup and Maintenance Depending on your chassis model, the SC827 chassis will include a 1200W or 1400W power supply . This power supply is auto-switching capable. This enables it to automatically sense and operate at a 100v to 240v input voltage. An amber light will be illuminated on the power supply when the power is off. A[...]

SC827 Chassis Manual 5-22 Changing the Power Supply Power down all four nodes and unplug the power cord. (Not necessary with 1. redundant power supplies) Unplug the AC power cord from the failed power supply . 2. Push the release tab (on the back of the power supply) as illustrated. 3. Pull the power supply out using the handle provided. 4. Push th[...]

6-1 Chapter 6: Rack Installation Chapter 6 Rack Installation 6-1 Overview This chapter provides a quick setup checklist to get your chassis up and running. Following these steps in the order given should enable you to have the system operational within a minimal amount of time. 6-2 Unpacking the System Y ou should inspect the box which the chassis [...]

SC827 Chassis Manual 6-2 6-4 W arnings and Precautions Rack Precautions Ensure that the leveling jacks on the bottom of the rack are fully extended to • the oor with the full weight of the rack resting on them. In single rack installations, stabilizers should be attached to the rack. • In multiple rack installations, the racks should b[...]

6-3 Chapter 6: Rack Installation Always keep the rack's front door and all panels and components on the servers • closed when not servicing to maintain proper cooling. 6-5 Rack Mounting Considerations Ambient Operating T emperature If installed in a closed or multi-unit rack assembly , the ambient operating tempera - ture of the rack envi[...]

SC827 Chassis Manual 6-4 6-6 Rack Mounting Instructions This section provides information on installing the chassis into a rack unit with the rails provided. There are a variety of rack units on the market, which may mean that the assembly procedure will differ slightly from the instructions provided. Y ou should also refer to the installation inst[...]

6-5 Chapter 6: Rack Installation Figure 6-2: Extending and Releasing the Inner Rail 1 2 1 1 1 3 1 4 Locking T abs Each inner rail has a locking tab. This tab locks the chassis into place when installed and pushed fully into the rack. These tabs also lock the chassis in place when fully extended from the rack. This prevents the server from coming co[...]

SC827 Chassis Manual 6-6 Figure 6-4: Inner Rails Installed on the Chassis (The chassis above are an example only . Actual chassis may differ slightly) Figure 6-3: Installing the Inner Rails Installing The Inner Rails on the Chassis Installing the Inner Rails Conrm that the left and right inner rails have been correctly identied. 1. Place the [...]

6-7 Chapter 6: Rack Installation Installing the Outer Rails on the Rack Installing the Outer Rails Press upward on the locking tab at the rear end of the middle rail. 1. Push the middle rail back into the outer rail. 2. Hang the hooks of the front of the outer rail onto the slots on the front of 3. the rack. If necessary , use screws to secure the [...]

SC827 Chassis Manual 6-8 Figure 6-6: Installing into a Rack Standard Chassis Installation Installing the Chassis into a Rack Conrm that the inner rails are properly installed on the chassis. 1. Conrm that the outer rails are correctly installed on the rack. 2. Pull the middle rail out from the front of the outer rail and make sure that the 3.[...]

6-9 Chapter 6: Rack Installation Optional Quick Installation Method The following quick installation method may be used to install the chassis onto a rack. Installing the Chassis into a Rack Install the whole rail assembly onto the rack as described on page X-7. 1. Release the inner rail without retracting the middle rail. 2. Install the inner rail[...]

SC827 Chassis Manual 6-10 Notes[...]

A-1 Appendix A: Cables, Screws and Other Accessories Appendix A Cables, Screws, and other Accessories A-1 Overview This appendix lists optional parts which need to be ordered when the customer is assembling their own chassis system. It only includes the most commonly used com - ponents and congurations. For more compatible cables, refer to the m[...]

SC827 Chassis Manual A-2 A-5 Chassis Screws The chassis and accessory box includes all of the screws needed to setup your chassis. This section includes descriptions of the most common screws used. Y our chassis may not require all of the parts listed. Flat head M4 x 4 mm [0.157] RAIL Round head M4 x 4 mm [0.157] Flat head M5 x 12 mm[0.472] Washer [...]

B-1 Appendix B: Power Supply Specications Appendix B SC827 Power Supply Specications This appendix lists power supply specications for your chassis system. SC827H-R1200B, SC827T -R1200B 1200W MFR Part # PWS-1K21P-1R Rated AC V oltage 100 - 140V , 50 - 60HZ, 8 - 1 1.5 Amp 180 - 240V , 50 - 60Hz, 5.5 - 8 Amp DC Output +12V 1000W , 83 Amp @ 1[...]

SC827 Chassis Manual B-2 Notes[...]

C-1 Appendix C: SAS-827T Backplane Speciciations Appendix C SAS-827T Safety Guidelines T o 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 com ponents. T o prevent dam-[...]

C-2 SC827 Chassis Manual C-3 An Important Note to Users All images and layouts shown in this user's guide are based upon the latest PCB • Revision available at the time of publishing. The card you have received may or may not look exactly the same as the graphics shown in this manual. C-4 Introduction to the SAS-827T Backplane The SAS-827[...]

C-3 Appendix C: SAS-827T Backplane Speciciations BZ1 + 7 J10 7 J12 7 J14 7 J16 7 J22 7 J23 7 J24 7 J25 7 J5 7 J6 7 J7 7 J8 JP49 JP26 TP3 F18 F13 F14 F15 F16 X1 L2 JP18 1 3 JP30 1 3 4 1 JP60 4 1 JP59 4 1 JP58 4 1 JP55 4 1 JP54 4 1 JP57 4 1 JP56 4 1 JP65 JF4 1 2 19 20 JF3 1 2 19 20 JF2 1 2 19 JF1 1 2 19 JF5 JF6 11 12 23 33 34 U6 U11 U10 U8 U9 U3 U[...]

C-4 SC827 Chassis Manual C-6 Front Connector and Pin Denitions 1. - 4. Motherboard Power Connectors These connectors, designated JP10, JP13, JP46 and JP47 supply power to each of the four motherboards in the chassis. Use the tables on the right to connect the motherboard power connector on the backplane to the cor - rect motherboard in the chass[...]

C-5 Appendix C: SAS-827T Backplane Speciciations 5. - 8. Chassis Fan Connectors These connectors, designated JP54, JP55, JP56 and JP57 supply power to the chassis. cooling fans. 9. - 12. Fan Connector Y -Cable (Optional feature, sold separately) A Y -cable is used to connect the fan connector from the backplane to the mother - board's fan c[...]

C-6 SC827 Chassis Manual 21. Manufacturer's T est Connectors The manufacturer's test connectors are desig - nated JP26 and JP49. These test connectors are for manufacturing use only . 20. Upgrade Connector The upgrade connector is designated JP69 Upgrade connectors are for manufacturing use only . 16. - 19. Motherboard to Backplane Con- n[...]

C-7 Appendix C: SAS-827T Backplane Speciciations 22. - 33. SAS Ports The SAS-827T backplane is designed with four separate sectors, which support from one to four motherboards indepentdently of each other . The SAS ports are used to connect the SAS drive cables. The 12 ports are designated A0, A1, A2, B0, B1, B2, C0, C1, C2 and D0, D1, D2. Each [...]

C-8 SC827 Chassis Manual BZ1 + 7 J10 7 J12 7 J14 7 J16 7 J22 7 J23 7 J24 7 J25 7 J5 7 J6 7 J7 7 J8 JP49 JP26 TP3 F18 F13 F14 F15 F16 X1 L2 JP18 1 3 JP30 1 3 4 1 JP60 4 1 JP59 4 1 JP58 4 1 JP55 4 1 JP54 4 1 JP57 4 1 JP56 4 1 JP65 JF4 1 2 19 20 JF3 1 2 19 20 JF2 1 2 19 JF1 1 2 19 JF5 JF6 11 12 23 33 34 U6 U11 U10 U8 U9 U3 U4 U2 U1 DESIGNED IN USA JP4[...]

C-9 Appendix C: SAS-827T Backplane Speciciations Front Panel LEDs LED State Specication Heartbeat LED: D1 Blinking Blinking heartbeat indicates backplane activity Overheat LED: D1 1 Solid On On indicates backplane overheat condition BZ1 + 7 J10 7 J12 7 J14 7 J16 7 J22 7 J23 7 J24 7 J25 7 J5 7 J6 7 J7 7 J8 JP49 JP26 TP3 F18 F13 F14 F15 F16 X1 [...]

C-10 SC827 Chassis Manual L1 J11 J1 J18 J19 J9 J17 J2 J20 J15 J13 J3 J4 C60 C38 C52 C A D19 C A D20 C A D23 C A D29 C A D30 C A D31 C A D32 C A D33 C A D5 C A D6 C A D7 C A D8 C A D12 C A D13 C A D14 C A D15 C A D18 C A D21 C A D22 C A D24 C A D25 C A D26 C A D27 C A D28 R148 R149 R151 R154 R155 R156 R165 R178 R179 R180 R181 R182 R173 R150 R164 R17[...]

i Appendix D: SAS-827B Backplane Specications Appendix D SAS-827B Backplane Specications T o 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 com ponents. T o prevent[...]

ii SC827 Chassis Manual D-3 An Important Note to Users All images and layouts shown in this user's guide are based upon the latest PCB • Revision available at the time of publishing. The card you have received may or may not look exactly the same as the graphics shown in this manual. D-4 Introduction to the SAS-827B Backplane The SAS-827B[...]

D-3 Appendix D: SAS-827B Backplane Specications 11 12 22 23 33 34 44 BZ1 + TP5 TP1 TP3 TP2 1 4 J21 1 JP36 1 JP35 JPI2C1 1 5 U37 U44 U43 U38 JPW3 1 5 4 8 JPW2 1 5 4 8 JPW1 12 24 13 1 JF4 50 51 45 1 2 46 54 47 24 23 JF3 50 51 45 1 2 46 54 47 24 23 JF2 50 51 45 1 2 46 54 47 24 23 JF1 50 51 45 1 2 46 54 47 24 23 F13 F14 F15 F16 RT6 JP18 1 3 JP30 1 3[...]

D-4 SC827 Chassis Manual 1. - 3. Motherboard Power Connectors These connectors, designated JPW1, JPW2, and JPW3 supply power the four motherboard nodes in the chassis. 4. - 7. Chassis Fan Connectors These connectors, designated JP54, JP55, JP56 and JP57 supply power to the chassis. cooling fans. F AN4 F AN3 FAN2 F AN1 Cables SAS-827B Backplane Syst[...]

D-5 Appendix D: SAS-827B Backplane Specications 13. - 14. Backplane to Front Panel Headers These connectors are designated JF5 and JF6. They connect the backplane to the front LED panels on the chassis. JF5 con - nects to the LED display panel for mother - boards A and B. JF6 connects to the LED display panel for motherboards C and D.[...]

D-6 SC827 Chassis Manual D-6 Front Jumpers and Pin Denitions 11 12 22 23 33 34 44 BZ1 + TP5 TP1 TP3 TP2 1 4 J21 1 JP36 1 JP35 JPI2C1 1 5 U37 U44 U43 U38 JPW3 1 5 4 8 JPW2 1 5 4 8 JPW1 12 24 13 1 JF4 50 51 45 1 2 46 54 47 24 23 JF3 50 51 45 1 2 46 54 47 24 23 JF2 50 51 45 1 2 46 54 47 24 23 JF1 50 51 45 1 2 46 54 47 24 23 F13 F14 F15 F16 RT6 JP18[...]

D-7 Appendix D: SAS-827B Backplane Specications LED Indicators LED State Specication Heartbeat LED: D1 Blinking Blinking heartbeat indicates backplane activity Overheat LED: D1 1 Solid on Indicates an overheat condition 11 12 22 23 33 34 44 BZ1 + TP5 TP1 TP3 TP2 1 4 J21 1 JP36 1 JP35 JPI2C1 1 5 U37 U44 U43 U38 JPW3 1 5 4 8 JPW2 1 5 4 8 JPW1 1[...]

D-8 SC827 Chassis Manual Figure D-5: Rear Connectors and LEDs D-8 Rear Connectors and LED Indicators Rear SAS/SA T A Connectors Rear Connector SAS Drive Number Rear Connector SAS Drive Number SAS #A2 SAS/SA T A A2 SAS #C2 SAS/SA T A C2 SAS #A1 SAS/SA T A A1 SAS #C1 SAS/SA T A C1 SAS #A0 SAS/SA T A A0 SAS #C0 SAS/SA T A C0 SAS #B2 SAS/SA T A B2 SAS [...]

D-9 Appendix D: SAS-827B Backplane Specications SAS Ports The SAS-827B backplane is designed with four separate sectors, which support from one to four motherboards indepentdently of each other . The SAS ports are used to connect the SAS drive cables. The 12 ports are designated A0, A1, A2, B0, B1, B2, C0, C1, C2 and D0, D1, D2. Each port is als[...]

D-10 SC827 Chassis Manual Disclaimer (cont.) The products sold by Supermicro are not intended for and will not be used in life sup- port systems, medical equipment, nuclear facilities or systems, aircraft, aircraft devices, aircraft/emergency communication devices or other critical systems whose failure to per- form be reasonably expected to result[...]