S UPER ® + + + + WWN 1 3 PRI_MODE4 SEC_MODE4 FANFAIL1 BAR CODE + REMOTE_FAN_FAIL_SCOKET A C A C 1 A C 3 1 12V_LED 5V_LED 1 GND GND +12V +5V 1 2 + + + WWN A C OVERHEATFAIL1 + + 2 + GND GND +12V +5V GND GND +12V +5V BUZZER_ENB1 + + SAS826EL REV 1.02 DESIGNED IN USA SAS-826EL Series Backplane USER'S GUIDE Rev. 1.0d

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SAS-826EL Series 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 SHALL NOT HAVE LIABILITY FOR ANY HARDWARE, SOFTWARE, OR DATA STORED OR USED WITH THE PRODUCT, INCLUDING THE COSTS OF REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH HARDWARE, SOFTWARE, OR DATA. Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara County in the State of California, USA. The State of California, County of Santa Clara shall be the exclusive venue for the resolution of any such disputes. Super Micro's total liability for all claims will not exceed the price paid for the hardware product. California Best Management Practices Regulations for Perchlorate Materials:

This Perchlorate warning applies only to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate” WARNING: Handling of lead solder materials used in this product may expose you to lead, a chemical known to the State of California to cause birth defects and other reproductive harm. Manual Revision 1.0d Release Date: July 29, 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 rights reserved. Printed in the United States of America ii

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Preface Table of Contents Contacting Supermicro.......................................................................................iv Returning Merchandise for Service.....................................................................v Chapter 1 Safety Guidelines.....................................................................1-1 1-2 General Safety Guidelines............................................................................... 1-1 Chapter 2 Connectors, Jumpers and LEDs............................................2-1 2-1 Front Connectors.............................................................................................

2-1 2-2 Front Connectors and Pin Definitions.............................................................. 2-2 2-4 Rear Connectors and LED Indicators.............................................................. 2-6 Explanation of Jumpers................................................................................... 2-3 Chapter 3 Dual Port and Cascading Configurations ............................3-1 3-1 Single and Dual Port Expanders .................................................................... 3-1 Single Ports.....................................................................................................

3-1 Dual Ports........................................................................................................ 3-1 3-2 Failover............................................................................................................ 3-2 3-3 Failover with RAID Cards and Multiple HBAs................................................. 3-3 3-4 Cables and Chassis Power Card ................................................................... 3-4 Chassis Power Card........................................................................................ 3-4 Connecting an Internal Host Bus Adapter to the Backplane .........................

3-5 Supported Internal HBA to Backplane Cables................................................ 3-6 Connecting an External Host Bus Adapter to the Backplane ........................ 3-7 Supported External HBA to Backplane Cable................................................. 3-8 Connecting Multiple Backplanes in a Single Channel Environment............... 3-9 Single HBA Configuration................................................................................ 3-9 Single HBA Configuration Cables..................................................................

3-10 Connecting Multiple Backplanes in a Dual Channel Environment.................3-11 3-5 Supported Cascading Configuration ............................................................. 3-13 Dual HBA Configuration Cables.................................................................... 3-12 Server System with Dual SAS HBA and Cascading Configuration............... 3-14 iii

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SAS-826EL Series Backplane User's Guide Contacting Supermicro Headquarters Address: Super Micro Computer, Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. Tel: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (Technical Support) Web Site: www.supermicro.com Europe Address: Super Micro Computer B.V. Het Sterrenbeeld 28, 5215 ML 's-Hertogenbosch, The Netherlands Tel: +31 (0) 73-6400390 Fax: +31 (0) 73-6416525 Email: sales@supermicro.nl (General Information) support@supermicro.nl (Technical Support) rma@supermicro.nl (Customer Support) Asia-Pacific Address: Super Micro Computer, Inc. 4F, No. 232-1, Liancheng Rd.

Chung-Ho 235, Taipei County Taiwan, R.O.C. Tel: +886-(2) 8226-3990 Fax: +886-(2) 8226-3991 Web Site: www.supermicro.com.tw Technical Support: Email: support@supermicro.com.tw Tel: 886-2-8226-1900 iv

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