Supermicro SAS-837A User manual

Rev. 1.0
SAS-837A BACKPLANE
USER'S GUIDE
1
JP6
1
JP5
JP4
DESIGNED IN USA
A1
B1
A18
B18
PRI_J0
A1
B1
A18
B18
PRI_J1
A1
B1
A18
B18
PRI_J2
A1
B1
A18
B18
SEC_J0
A1
B1
A18
B18
SEC_J1
A1
B1
A18
B18
SEC_J2
MH9
MH8
MH7
MH6
MH5
MH4 MH3
MH2 MH10 MH1
D65
D54
A C
D53
AC
U18
U1
U24
C81
+
C119
C285
+
C198
+
C85
+
C84
+
C5
+
C45
+
C44
+
C3
C202
+
C201
+
C197
C58
C76
C152
C111
JP10
1
4
JP13
1
4
JP46
1
4
BAR CODE
JP6:
OPEN: DEFAULT
SEC:#8-#11
PRI:#8-#11
SEC:#4-#7
PRI:#4-#7
SEC:#0-#3
PRI:#0-#3
JP4:I2C
CLOSE: FAILLED TEST
JP5:
OPEN: DEFAULT
CLOSE: ACT LEDTEST
REV 1.00
SAS837A
SUPER ®

ii
SAS-837A Backplane User's Guide
Manual Revision 1.0
Release Date: January 26, 2011
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 WILLSUPERMICRO 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 DATASTORED OR USED WITHTHE 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.
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 © 2011 by Super Micro Computer, Inc.
All rights reserved.
Printed in the United States of America

iii
Safety Information and Technical Specifications
Table of Contents
Contacting Supermicro.......................................................................................iv
Returning Merchandise for Service.....................................................................v
Chapter 1 Safety Guidelines
1-1 ESD Safety Guidelines ................................................................................... 1-1
1-2 General Safety Guidelines..............................................................................1-1
1-3 An Important Note to Users............................................................................1-2
1-4 Introduction to the SAS-837A Backplane........................................................ 1-2
Chapter 2 Connectors, Jumpers and LEDs
2-1 Front Connectors ............................................................................................ 2-1
2-2 Front Connector and Pin Definitions............................................................... 2-2
2-3 Front LED Indicators.......................................................................................2-3
2-4 Rear Connectors and LED Indicators............................................................. 2-4
Chapter 3 Connecting the SAS2-837A and SAS-837EL Backplanes
3-1 Connecting Dual Backplanes.......................................................................... 3-1
Identifying the Backplanes..............................................................................3-1
Configuring Dual Backplanes.......................................................................... 3-2

iv
SAS-837A Backplane User's Guide
Contacting Supermicro
Headquarters
Address: Super Micro Computer, Inc.
980 Rock Ave.
San Jose, CA 95131 U.S.A.
Tel: [phone]
Fax: [phone]
Email: [email protected] (General Information)
[email protected] (Technical Support)
Web Site: www.supermicro.com
Europe
Address: Super Micro Computer B.V.
Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands
Tel: [phone]
Fax: [phone]
Email: [email protected] (General Information)
[email protected] (Technical Support)
[email protected] (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: [phone]
Fax: [phone]
Web Site: www.supermicro.com.tw
Technical Support:
Email: [email protected]
Tel: [phone]

v
Safety Information and Technical Specifications
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
SAS-837A Backplane User's Guide
Notes

1-1
Safety Information and 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.
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.
1-2 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.

1-2
SAS-837A 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 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 SAS-837A Backplane
The SAS-837Abackplane has been designed to utilize the most up-to-date technol-
ogy available, providing your system with reliable, high-quality performance.
This manual reflects SAS-837ARevision 1.00, the most current release available at
the time of publication.Always refer to the Supermicro Web site at www.supermicro.
com for the latest updates, compatible parts and supported configurations.

2-1
Safety Information and Technical Specifications
1
JP6
1
JP5
JP4
DESIGNED IN USA
A1
B1
A18
B18
PRI_J0
A1
B1
A18
B18
PRI_J1
A1
B1
A18
B18
PRI_J2
A1
B1
A18
B18
SEC_J0
A1
B1
A18
B18
SEC_J1
A1
B1
A18
B18
SEC_J2
MH9
MH8
MH7
MH6
MH5
MH4 MH3
MH2 MH10 MH1
D65
D54
A C
D53
AC
U18
U1
U24
C81
+
C119
C285
+
C198
+
C85
+
C84
+
C5
+
C45
+
C44
+
C3
C202
+
C201
+
C197
C58
C76
C152
C111
JP10
1
4
JP13
1
4
JP46
1
4
BAR CODE
JP6:
OPEN: DEFAULT
SEC:#8-#11
PRI:#8-#11
SEC:#4-#7
PRI:#4-#7
SEC:#0-#3
PRI:#0-#3
JP4:I2C
CLOSE: FAILLED TEST
JP5:
OPEN: DEFAULT
CLOSE: ACT LEDTEST
REV 1.00
SAS837A
Chapter 2
Connectors, Jumpers and LEDs
2-1 Front Connectors
Front Connectors
I1. 2C connector: JP4:I2C
Power connectors: JP46, JP13 and2. JP10.
Primary SAS port: PRI_J03.
Primary SAS port: PRI_J14.
Figure 2-1: Front Connectors
1
1
1
5
1
81
6
1
7
1
2
1
2
1
4
1
3
1
2
Primary SAS port: PRI_J25.
Secondary SAS port: SEC_J06.
Secondary SAS port SEC_J17.
Secondary SAS port SEC_J28.

2-2
SAS-837A Backplane User's Guide
1. I2C Connector
TheI2Cconnectorisusedtomonitorthepower
supplystatusandto controlthefans. Seethe
table on the right for pin definitions.
I2C Connector
Pin Definitions
Pin# Definition
1 Data
2 Ground
3 Clock
4 No Connection
2-2 Front Connector and Pin Definitions
Backplane
Main Power
4-Pin Connector
Pin# Definition
1+12V
2 and 3 Ground
4 +5V
2. Backplane Main Power Connectors
The 4-pin connectors, designated JP46,
JP13 and JP10 provide power to the back-
plane. See the table on the right for pin
definitions.
3. - 8. SAS Ports
The primary and secondary sets of SAS
ports provide expander features including
cascading and failover. From right to left the
ports are Primary 0 through Primary 2 and
Secondary 0 through Secondary 2.

2-3
Safety Information and Technical Specifications
2-3 Front LED Indicators
Figure 2-2: Front LED Indicators
Front LEDs
LED Default
State Specification
5V_LED1 On Green LED indicates backplane power ac-
tivity. Light is on during normal operation
12V_LED2 On Green LED indicates backplane power ac-
tivity. Light is on during normal operation.
1
JP6
1
JP5
JP4
DESIGNED IN USA
A1
B1
A18
B18
PRI_J0
A1
B1
A18
B18
PRI_J1
A1
B1
A18
B18
PRI_J2
A1
B1
A18
B18
SEC_J0
A1
B1
A18
B18
SEC_J1
A1
B1
A18
B18
SEC_J2
MH9
MH8
MH7
MH6
MH5
MH4 MH3
MH2 MH10 MH1
D65
D54
A C
D53
AC
U18
U1
U24
C81
+
C119
C285
+
C198
+
C85
+
C84
+
C5
+
C45
+
C44
+
C3
C202
+
C201
+
C197
C58
C76
C152
C111
JP10
1
4
JP13
1
4
JP46
1
4
BAR CODE
JP6:
OPEN: DEFAULT
SEC:#8-#11
PRI:#8-#11
SEC:#4-#7
PRI:#4-#7
SEC:#0-#3
PRI:#0-#3
JP4:I2C
CLOSE: FAILLED TEST
JP5:
OPEN: DEFAULT
CLOSE: ACT LED TEST
REV 1.00
SAS837A
12V_LED
5V_LED

2-4
SAS-837A Backplane User's Guide
D12 A
C
D13 A
C
D14 A
C
D15 A
C
D18 A
C
D21 A
C
D22 A
C
D24
A
C
D25 A
C
D26 A
C
D27 A
C
D28 A
C
D19
A
C
D20
A
C
D23
A
C
D29
A
C
D30
A
C
D31
A
C
D32
A
C
D33
A
C
D5
A
C
D6
A
C
D7
A
C
D8
A
C
R83
J4
J3 J13
J15 J20
J2
J17
J9
J19
J18
J1
J11
FAIL#9
FAIL#11ACT#11 FAIL#10
ACT#10 ACT#9 FAIL#8ACT#8
FAIL#6
ACT#6ACT#7 FAIL#7 ACT#5 FAIL#5 FAIL#4
#8
#9
#10
#11
#7
#6
#5
#4
#3
#2
#1
#0
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS
FAIL#3ACT#3 ACT#2 FAIL#2 ACT#1 FAIL#1 ACT#0 FAIL#0
2-4 Rear Connectors and LED Indicators
Rear SAS/SATA Connectors
Rear
Connector SAS Drive Number Rear Connector SAS Drive Number
SAS #0 SAS/SATA HDD #0 SAS #6 SAS/SATA HDD #6
SAS #1 SAS/SATA HDD #1 SAS #7 SAS/SATA HDD #7
SAS #2 SAS/SATA HDD #2 SAS #8 SAS/SATA HDD #8
SAS #3 SAS/SATA HDD #3 SAS #9 SAS/SATA HDD #9
SAS #4 SAS/SATA HDD #4 SAS #10 SAS/SATA HDD #10
SAS #5 SAS/SATA HDD #5 SAS #11 SAS/SATA HDD #11
SAS #1
SAS #0
SAS #2
SAS #3 SAS #7
SAS #6
SAS #8
SAS #9
SAS #4
SAS #10
SAS #5
SAS #11
Figure 2-3: Rear Connectors
Rear LED Indicators
Rear
Connector Hard Drive Activity LED Failure LED Rear Connector Hard Drive Ac- tivity LED Failure LED
SAS #0 ACT #0 FAIL #0 SAS #6 ACT #6 FAIL #6
SAS #1 ACT #1 FAIL #1 SAS #7 ACT #7 FAIL #7
SAS #2 ACT #2 FAIL #2 SAS #8 ACT #8 FAIL #8
SAS #3 ACT #3 FAIL #3 SAS #9 ACT #9 FAIL #9
SAS #4 ACT #4 FAIL #4 SAS #10 ACT #10 FAIL #10
SAS #5 ACT #5 FAIL #5 SAS #11 ACT #11 FAIL #11

3-1
Safety Information and Technical Specifications
Chapter 3
Connecting the
SAS2-837A and SAS-837EL Backplanes
3-1 Connecting Dual Backplanes
The SAS2-837EL and SAS-837A backplanes are designed to work together. The
following configurations show how the SAS2-837EL and SAS-837A may be con-
nected together.
Identifying the Backplanes
Examine the diagrams below and identify the SAS2-837EL and SAS-837A back-
planes. Identify the locations of the SAS ports on each board.Also note the location
of the primary I2C connectors, if the optional I2C configuration is desired.
1
4
UART_S
1
4
UART_P
1
4
EXPDBG2
14
EXPDBG1
ACTLED1
1
FANFAIL_LED_DISABLE
1
FAN_MONITOR_DISABLE
1
MH10
MH9
MH11
MH12 MH13
MH3
MH8
MH4
MH6
MH7
MH5
MH2
MH1
RA611
C2988
C377
BCA534
DESIGNED IN USA
BPN-SAS2-837EL2
REV: 1.00
BCA420
BC92
BC91
C430
BC52
+
+
+
B1B18
SEC_J4
A1
B1
A18
B18
SEC_J3
B1 B18
PRI_J4
B1 B18
PRI_J3
A1
B1B18 SEC_J2
A1
A1
B1
A18
B18
SEC_J0
B1
A18
B18
PRI_J2
B1 B18
PRI_J1
A1
B1
A18
B18
PRI_J0
+
EC36
+
EC20
+
EC17
L153
L1
+
EC9
+
EC8
+
+
EC4
+
EC3
+
EC28
+
EC27
+
EC26
+
EC25
+
EC22
+
EC2
+
EC15
+
EC13
+
EC10
+
EC1
L152 L151
L147
L148
L149
U1
U6
FANFAIL1
AC
OVERHEATFAIL1
A C
12V_LED
AC
5V_LED
AC
ACT25
AC
ACT24
A
C
+
EC19
+ C2973
+
C2972
+
C2971
+
C2970
+
+
++
EC35
+
EC16
+
EC18
+
+
C871
+
C870
+
C868
+C867
+
C866
+
C865
+
C864
+
C863
C862
+
C861
FAN1
1
FAN2
4
1
FAN3
J24
J25
18
Q1 Q2
5
Y E
20
R K
10 15
AE
25 28
AH
U4
5
Y
20
K
10
15
25
28
Q3
U5
16
17
33
SEC_FLASH
PRI_FLASH
U17
U16
U312
Y10
U332
PRI_I2C
PRI_I2C1
L398
BAR CODE
+5V+12V GNDGND
PWR4
+5V
+12V GND GND
PWR3
+5V
+12V GND GND
PWR2
+5V+12V GND GND
PWR1
WWN
WWN
1
JP6
1
JP5
JP4
DESIGNED IN USA
A1
B1
A18
B18
PRI_J0
A1
B1
A18
B18
PRI_J1
A1
B1
A18
B18
PRI_J2
A1
B1
A18
B18
SEC_J0
A1
B1
A18
B18
SEC_J1
A1
B1
A18
B18
SEC_J2
MH9
MH8
MH7
MH6
MH5
MH4 MH3
MH2 MH10 MH1
D65
D54
A C
D53
AC
U18
U1
U24
C81
+
C119
C285
+
C198
+
C85
+
C84
+
C5
+
C45
+
C44
+
C3
C202
+
C201
+
C197
C58
C76
C152
C111
JP10
1
4
JP13
1
4
JP46
1
4
BAR CODE
JP6:
OPEN: DEFAULT
SEC:#8-#11
PRI:#8-#11
SEC:#4-#7
PRI:#4-#7
SEC:#0-#3
PRI:#0-#3
JP4:I2C
CLOSE: FAILLED TEST
JP5:
OPEN: DEFAULT
CLOSE: ACT LEDTEST
REV 1.00
SAS837A
Figure 3-1: SAS2-837EL Backplane
Figure 3-2: SAS-837A Backplane
PRI_J0
SEC_J0
PRI_J1
SEC_J1
PRI_J2
SEC_J2
PRI_J4 PRI_J0
PRI_J3
PRI_J2 PRI_J1 SEC_J4
SEC_J1
SEC_J3
SEC_J2
SEC_J0
PRI_I2C1
JP4:I2C

3-2
SAS-837A Backplane User's Guide
1
4
UART_S
1
4
UART_P
1
4
EXPDBG2
14
EXPDBG1
ACTLED1
1
FANFAIL_LED_DISABLE
1
FAN_MONITOR_DISABLE
1
MH10
MH9
MH11
MH12 MH13
MH3
MH8
MH4
MH6
MH7
MH5
MH2
MH1
RA611
C2988
C377
BCA534
DESIGNED IN USA
BPN-SAS2-837EL2
REV: 1.00
BCA420
BC92
BC91
C430
BC52
+
+
+
B1B18
SEC_J4
A1
B1
A18
B18
SEC_J3
B1 B18
PRI_J4
B1 B18
PRI_J3
A1
B1B18 SEC_J2
A1
A1
B1
A18
B18
SEC_J0
B1
A18
B18
PRI_J2
B1 B18
PRI_J1
A1
B1
A18
B18
PRI_J0
+
EC36
+
EC20
+
EC17
L153
L1
+
EC9
+
EC8
+
+
EC4
+
EC3
+
EC28
+
EC27
+
EC26
+
EC25
+
EC22
+
EC2
+
EC15
+
EC13
+
EC10
+
EC1
L152 L151
L147
L148
L149
U1
U6
FANFAIL1
AC
OVERHEATFAIL1
A C
12V_LED
AC
5V_LED
AC
ACT25
AC
ACT24
A
C
+
EC19
+ C2973
+
C2972
+
C2971
+
C2970
+
+
++
EC35
+
EC16
+
EC18
+
+
C871
+
C870
+
C868
+C867
+
C866
+
C865
+
C864
+
C863
C862
+
C861
FAN1
1
FAN2
4
1
FAN3
J24
J25
18
Q1 Q2
5
Y E
20
R K
10 15
AE
25 28
AH
U4
5
Y
20
K
10
15
25
28
Q3
U5
16
17
33
SEC_FLASH
PRI_FLASH
U17
U16
U312
Y10
U332
PRI_I2C
PRI_I2C1
L398
BAR CODE
+5V+12V GNDGND
PWR4
+5V
+12V GND GND
PWR3
+5V
+12V GND GND
PWR2
+5V+12V GND GND
PWR1
WWN
WWN
PRI_J4 PRI_J0
PRI_J3
PRI_J2 PRI_J1 SEC_J4
SEC_J1
SEC_J3
SEC_J2
SEC_J0
1
JP6
1
JP5
JP4
DESIGNED IN USA
A1
B1
A18
B18
PRI_J0
A1
B1
A18
B18
PRI_J1
A1
B1
A18
B18
PRI_J2
A1
B1
A18
B18
SEC_J0
A1
B1
A18
B18
SEC_J1
A1
B1
A18
B18
SEC_J2
MH9
MH8
MH7
MH6
MH5
MH4 MH3
MH2 MH10 MH1
D65
D54
A C
D53
AC
U18
U1
U24
C81
+
C119
C285
+
C198
+
C85
+
C84
+
C5
+
C45
+
C44
+
C3
C202
+
C201
+
C197
C58
C76
C152
C111
JP10
1
4
JP13
1
4
JP46
1
4
BAR CODE
JP6:
OPEN: DEFAULT
SEC:#8-#11
PRI:#8-#11
SEC:#4-#7
PRI:#4-#7
SEC:#0-#3
PRI:#0-#3
JP4:I2C
CLOSE: FAILLED TEST
JP5:
OPEN: DEFAULT
CLOSE: ACT LEDTEST
REV 1.00
SAS837A
Figure 3-3: SAS2-827EL Above, SAS-837A Backplane Below
Configuring Dual Backplanes
Configure the SAS2-837EL2 and SAS-837A as shown in the chart below. Connect
the port in Column A to the port in the Column B using the cable in Column C.
Dual Backplane Configuration Chart
Column A
SAS2-837EL Port Column B SAS-837A Port Column C Cable Name
Primary SAS port PRI_J2 Primary SAS port PRI_J0 CBL-0421L
Primary SAS port PRI_J3 Primary SAS port PRI_J1 CBL-0421L
Primary SAS port PRI_J4 Primary SAS port PRI_J2 CBL-0421L
Secondary SAS port SEC_J2 Secondary SAS prot SEC_J0 CBL-0421L
Secondary SAS port SEC_J3 Secondary SAS prot SEC_J1 CBL-0421L
Secondary SAS port SEC_J4 Secondary SAS prot SEC_J2 CBL-0421L
Primary I2C connector
PRI_I2C1 (optional) 12C connector JP4:I2C (optional) CBL-0102L
PRI_J0
SEC_J0
PRI_J1
SEC_J1
PRI_J2
SEC_J2
PRI_I2C1
JP4:I2C

3-3
Safety Information and Technical Specifications
Notes

3-4
SAS-837A 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,
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, 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.