SAS2-846EL Backplane
Contents
1. Cable 0167L Secondary Port Primary Port Internal cable Expander 2 Expander 1 Secondary Port Expander 2 Figure 3 14 Simple Cascaded Configurations 3 13 SAS2 846EL Backplane User s Guide Dual SAS HBA and Cascaded Configuration Secondary Port Expander 2 Cable 0168L Secondary Port Expander 2 Primary Port Expander 1 Secondary Port Expander 2 Dual Port Cable ode l a a a 1 a a a a Assembly Cable 0166L External cables s Figure 3 15 Dual SAS HBA with Cascaded Configuration IMPORTANT See Section 3 3 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations 3 14 Safety Information and Technical Specifications Notes 3 15 SAS2 846EL Backplane User s Guide 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 aircraft2. S g 5 M a E BEL GS geer Okt JETER Gri 8 SAS2 846EL BACKPLANE USER S GUIDE Rev 1 0a SAS2 846EL Backplane User s Guide 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 SHA
3. Secondary Primary Port Port Expander 2 Expander 1 Figure 3 12 Multiple Backplanes in a Dual Channel Environment IMPORTANT See Section 3 3 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations 3 11 SAS2 846EL Backplane User s Guide Dual HBA Configuration Cables Dual Port Cable Assembly Figure 3 13 Dual Port Internal Cable CBL 0168L Cable Name SAS Dual port Cable Assembly 68 76cm Part CBL 0168L Placement Internal cable Ports Dual Description Internal cascading cable Connects the backplane to the Host Bus Adapter HBA or external port Used in dual port environments 3 12 Safety Information and Technical Specifications 3 5 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
4. O oo u92 ml E R3 gg E 2 S0 ones lal 1 oo gig Aon A 3C jc ai Gb BARCODE CSE PTJBOD CB2 REV1 01 Figure 3 4 Chassis Power Card Sold Separately Part Number Part Type Where Used Allows the chassis to be ina CSE PTJBOD CB2 Power card JBOD Just a Bunch of Drives system 3 4 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 3 5 Connecting an Internal HBA to the Backplane IMPORTANT See Section 3 3 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 SAS2 846EL backplane The cables required depend on the HBA connector Cable Name iPass TO 4 lane Part 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
5. 36 pins at the other This cable connects from the HBA to the SAS2 846EL backplane 3 5 SAS2 846EL Backplane User s Guide Cable Name iPass Mini SAS to iPass Mini SAS Part CBL 0108L 02 Length 39 cm 15 inches Part CBL 0109L 02 Length 22 cm 9 inches Part CBL 0110L 02 Length 18 cm 7 inches Description This cable has an iPass SFF 8087 Mini SAS connector 36 pins at each end It connects from the HBA to the SAS2 846EL backplane Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure 3 6 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 pins at the other end 3 6 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 HBA Host Bus Adapter CBL 0200L External HBA Cable Dual External Host Bus Adapter HBA Host Bus Adapter Host Bus Adapter CBL 0200L External
6. 886 2 8226 3990 886 2 8226 3991 www supermicro com tw Technical Support Email Tel support supermicro com tw 886 2 8226 1900 SAS2 846EL Backplane User s Guide Returning Merchandise for Service A receipt or copy of your invoice marked with the date of purchase is required be fore any warranty service will be rendered You can obtain service by calling your vendor for a Returned Merchandise Authorization RMA number When returning to the manufacturer the RMA number should be prominently displayed on the outside of the shipping carton and mailed prepaid or hand carried Shipping and 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 backplane in the original Supermicro box using the original packaging materials If these are no longer available be sure to pack the backplane in an anti static bag and inside the box Make sure that there is enough packaging material surrounding the backplane so that it does not 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 vi Safety Information a
7. 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 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 2 Not available in EL1 backplane 2 1 SAS2 846EL Backplane User s Guide 2 2 Front Connector and Pin Definitions 1 Primary PC Connector The lC connector is 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 PWR2 PWR3 PWR4 PWR5 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 2 2 PC Connector Pin Definitions Pin Definition Data Ground Clock No Connection Backplane Main Power 4 Pin Connector Pins Definition 1 412V 2 and 3 Ground 4 45V Safety Information and Tech
8. HBA Cables Figure 3 7 Connecting Single and Dual HBAs to the Backplane IMPORTANT See Section 3 3 of this manual Failover with RAID Cards and Multiple HBAs for important information on supported configurations 3 7 SAS2 846EL Backplane User s Guide Supported External HBA to Backplane Cable Use the following cable if your external HBA has an InfiniBand connector Figure 3 8 External Cable CBL 0166L Cable Name SAS EL2 EL1 Cascading Cable External 68cm 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 3 8 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 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 HBA Host Bus Adapter CBL 0166L External cable Secondary Port Primary Port Expander 2 Expander 1 Figure 3 9 Single HBA Conf
9. HBA to Backplane 8 6 3 8 Connecting Multiple Backplanes in a Single Channel Environment 3 9 Singl HBA Configuration Gables deduxit oipad avion dcin kid hana 3 10 Connecting Multiple Backplanes in a Dual Channel Environment 3 11 SAS2 846EL Backplane User s Guide csc co cans 9 12 9 5 Supported 5 8 3 13 Dual SAS HBA and Cascaded Configuration 5 2 redierint 3 14 Safety Information and Technical Specifications 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 Chung Ho 235 Taipei County Taiwan R O C
10. 13 SAS 12 Figure 2 3 Rear Connectors 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 HDD 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 10 SAS 22 SAS SATA HDD 22 SAS 11 SAS SATA HDD 411 SAS 23 SAS SATA HDD 23 2 6 Safety Information and Technical 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
11. 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 2 7 SAS2 846EL Backplane User s Guide Notes 2 8 Safety Information and Technical Specifications Chapter 3 Dual Port and Cascading Configurations 3 1 Single and Dual Port Expanders Single Ports SAS2 846EL1 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 ai ae backplane et 8 uo e L Uo 8 Secondary To lower To lower Primary ports backplane backplane ports Expander2 in cascaded in cascaded Expander 1 system system From HBA or higher backplane SUPERO Lux me F wim 5 oo gl Pi oe Nay uo GO g GO e To lower backplane in Primary ports cascaded system Expander 1 Figure 3 1 Dual Port Cascading Configurations 3 1 SAS2 846EL Backplane
12. LL 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 July 27 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 their respective companies or mark holders Copyright 2010 by Super Micro Computer Inc All rig
13. User s Guide 3 2 Failover The SAS2 846EL2 backplane has two expanders which allow effective failover SAS HBA Single Host Bus Adapter In a single host bus configuration the backplane connects to one Host Bus Adapter HBA Secondary ports Primary ports Expander 2 Expander 1 SAS HBA Single Host Bus Adapter Failover If the expander or data path in the primary ports fails the system automati cally switches to secondary ports amp da x 8 Secondary ports Primary ports Expander 2 Expander 1 Figure 3 2 Failover Configurations 3 2 Safety Information and Technical Specifications 3 3 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 perform the load balancing and failover tasks SAS HBA SAS HBA Dual Host Bus Adapter In a dual host bus configurati
14. chnical Specifications General Jumper Settings Jumper Settings Factory Setting PRI_MODE1 and 2 Do not change Factory Setting SEC MODE1 and 2 2 3 Do not change Debug SMC internal use only EXPDBG1 and 2 No jumper required EXPDBG2 not present on SAS2 846EL2 MDIO1 and 02 No jumper required SMC internal use only UART P1 No jumper required Primary UART connector Secondary UART connector Not present on SAS2 847E2 JP1 No jumper required Buzzer connector Open Disabled Default Closed Enabled Open Disabled Default Closed Enabled FAN MONITOR DIS Open Disabled Default ABLE Closed Enabled UART S1 No jumper required BUZZER ENB1 Buzzer settings ACTLED1 Activity LED settings Fan monitor LED settings 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 Front LEDs Specification FANFAIL1 Failure in fans Overheat Drive Failure LED Indicator ONERMEATEAEI Red light flashing buzzer on 2 5 SAS2 846EL Backplane User s Guide 2 4 Rear Connectors and LED Indicators Kes onan SAS 2 SAS 8 8 14 SAS 1 pent SAS 7 pout SAS
15. emergency communication devices or other critical systems whose failure to per form be reasonably expected to result in significant injury or loss of life or catastrophic property damage Accordingly Supermicro disclaims any and all liability and should buyer use or sell such products for use in such ultra hazardous applications it does so entirely at its own risk Furthermore buyer agrees to fully indemnify defend and hold Supermicro harmless for and against any and all claims demands actions litigation and proceedings of any kind arising out of or related to such ultra hazardous use or sale 3 16
16. hts reserved Printed in the United States of America Safety Information and Technical Specifications Table of Contents Contacting SUP STAG O aac a te oit cn cas nen phreas Aaea Des RIED as ser EEEIEI SSeS Returning Merchandise for 86 vi Chapter 1 Safety Guidelines 15 1 2 1 9 1 4 2 1 2 2 2 3 ESD Safety Gu ideliNeS issir 1 1 General Safety Guidelines 1 1 An Important Note to 15 18 1 1 1 2 Introduction to the SAS2 846EL Backplane esses 1 2 Chapter 2 Connectors Jumpers and LEDs Front Connectors and JumpelS RE Sene aan n ER RM EM MESE 2 1 Front Connector and Pin 6 5 2 2 Front Jumper Locations and Settlltgs uuo nete Ea nurse tack ipn tane ex 2 4 Explanation of JUMpErS etree een 2 4 Hear Connectors and LED IinGne anes pe ta 2 6 2 4 Chapter 3 Dual Port and Cascading Configurations 3 1 3 2 3 3 3 4 Single and Dual P rt Moti petu 3 1 Single POTS ues ct
17. iguration 3 9 SAS2 846EL Backplane User s Guide Single HBA Configuration Cables Single Port Cable Assembly Figure 3 10 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 3 11 External Cable CBL 0166L Cable Name SAS EL2 EL1 Cascading Cable External 68cm 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 3 10 Safety Information and Technical 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 Cable 0168L with Single Port Assembly Secondary Port Primary Port Internal cable Expander 2 Expander 1 HBA Host Bus Adapter HBA Host Bus Adapter Cable 0166L External cable
18. is cc M M CMM UE 3 1 Dual POrS e c 3 1 F NOV OM occ nets 3 2 Single Host Bus 3 2 Single Host Bus Adapter 3 2 Failover with RAID Cards and Multiple HBAS sssssssss 3 3 Dual Host BUS Adaplel zii rodent Ere nete cet agin sdesdestves 3 3 Dual Host Bus Adapter asit anra pe asian 3 3 Chassis Power Gard and Support 8 85 3 4 Chassis Power Card eso ee nee eer obe paftbast oiu weer ee eee re rere 3 4 Connecting an Internal Host Bus Adapter to the Backplane 3 5 Supported Internal HBA 8 85 5 3 5 Supported External HBA to Backplane 8 6 3 6 Connecting an External Host Bus Adapter to the Backplane 3 7 Single External Host Bus Adapter 3 7 Dual External Host Bus Adapter ssssseeeeee 3 7 Supported External
19. nd Technical Specifications Chapter 1 Safety Guidelines To avoid personal injury and property damage carefully follow all the safety steps listed below when accessing your system or handling the components 1 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 1 2 Use a grounded wrist strap designed to prevent static discharge Touch a grounded metal object before removing a component from the antistatic bag Handle the backplane by its edges only do not touch its components peripheral chips memory modules or gold contacts When handling chips or modules avoid touching their pins Put the 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 151 SAS2 846EL Backplane User s Guide 1 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
20. nical Specifications 6 Fan Connectors Fan Connectors The 3 pin connectors designated FAN1 l 5 through FANS provide power to the fans dii SEU See the table on the right for pin defini 1 Ground i 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 2 3 SAS2 846EL Backplane User s Guide 2 3 Front Jumper Locations and Settings BUZZER_ENB1 ec DISABLE Cc fT PAPMACTLEDI MONITOR DISABLE SEC MODE2 Figure 2 2 Front Jumper Locations and Settings Explanation of Jumpers To modify the operation of the backplane jumpers can be used to choose between optional settings Jumpers create shorts between two pins to change the function of the connector Pin 1 is identified with a square solder pad on the printed circuit board Note On two pin jumpers Closed means the jumper is on and Open means the jumper is off the pins 2 4 A Connector Pins Jumper Setting PRI MODE Safety Information and Te
21. on the backplane connects to two host bus adapters LA E EH OREO gy a Eye B b S d p 9 Secondary ports Primary ports Expander 2 Expander 1 SAS HBA Dual Host Bus Adapter Failover If the expander or data path in the primary ports fails the system auto matically switches to the secondary ports This maintains a full connection to all drives Expander 2 Expander 1 Figure 3 3 Failover Configurations IMPORTANT For RAID controllers redundancy is achieved through port failover For multiple HBAs MPIO software is required to achieve failover protection 3 3 SAS2 846EL Backplane User s Guide 3 4 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 SAS2 846EL series backplanes
22. the time of publishing The card you have received may or may not look exactly the same as the graphics shown in this manual 1 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 1 2 Safety Information and Technical Specifications Chapter 2 Connectors Jumpers and LEDs 2 1 Front Connectors and Jumpers SUPERO BPN SAS2 B46EL2 T s n Figure 2 1 Front Connectors Front Connectors 1 Primary l C connector 20
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