SUPER MICRO Computer sc827 user manual To modify the operation of the backplane

Page 74

SC827 Chassis Manual

 

 

 

 

 

 

 

D-6 Front Jumpers and Pin Definitions

 

 

 

 

 

JP30

 

 

 

JP69

 

 

 

 

 

+

FAN4

 

FAN3

 

 

SPI

 

FAN2

 

 

Buzzer

 

 

BAR CODE

 

 

MB-D

 

 

 

+

FAN1

 

 

 

 

 

 

 

 

SAS827B

 

MB-B

 

 

 

 

 

 

 

 

 

 

REV 1.01

 

 

 

 

 

 

 

 

 

 

 

DESIGNED IN USA

 

 

+

 

 

 

 

 

+

 

 

 

+

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

+

 

 

 

 

 

 

 

 

BUZZER RESET

 

 

 

 

JP36JP35

 

 

+

 

 

 

JP18

+

 

DEBUG

TO PS

+

MB-A

 

 

 

 

 

 

 

 

J21

 

 

 

JF5-AB

+

JF6-CD

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

MB-C

 

 

 

 

 

Figure D-3: Front Jumpers

Explanation of Jumpers

3

2

1

 

 

Connector

 

 

To modify the operation of the backplane,

Pins

 

 

 

 

 

jumpers can be used to choose between

 

 

 

optional settings. Jumpers create shorts

 

 

 

between two pins to change the function

Jumper

 

 

of the connector. Pin 1 is identified with

 

 

 

a square solder pad on the printed circuit

3

2

1

board. Note: On two pin jumpers, "Closed"

Setting

 

 

means the jumper is on and "Open" means

 

 

 

 

 

the jumper is off the pins.

Jumper Settings

Jumper

JP18

JP30

JP35

JP36

JP69

Jumper Settings

Open: Buzzer disabled

1-2: Buzzer enabled (Default)

2-3: Test setting Overheat Settings Open: 45º Celsius

1-2: 50º Celcius (Default)

2-3: 55º Celcius

Open: Default

Closed: LED test

Open: Default , multiple power button functionality

Closed: Single power button functionality

Notes

*Buzzer reset

Backplane overheat settings

LED testing

Any power button

FW upgrade connector

*The buzzer sound indicates that a condition requiring immediate attention has occurred.

The backplane buzzer alarm is triggered by the following condition:

1.Backplane temperature over 45º, 50º or 55º Celsius, depending upon the overheat setting selected. See the table above for details.

D-6

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Image 74
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Contents Super SC827 Chassis Manual Preface About This ManualManual Organization IntroductionCompatible Backplanes Table of Contents Rack Installation Viii Shipping List Chapter IntroductionOverview Part NumbersContacting Supermicro Returning Merchandise for Service SC827 Chassis Manual Electrical Safety Precautions Chapter System SafetyPreparing for Setup Page System Safety Page Chapter Chassis Components ComponentsWhere to get Replacement Components Power SupplyChapter System Interface Chassis Control PanelControl Panel Buttons Control Panel LEDsDrive Carrier LEDs SAS/SATA DrivesSC827 Chassis Manual Chapter Chassis Setup and Maintenance Removing the Chassis Cover and Protective Film Chassis CoverRemove two Screws Check Ventilation Openings Installing and Removing Hard Drives Motherboard Drawer Locations in the ChassisRemoving a Hard Drive Tray Removing Hard Drive Trays from the ChassisInstalling a Drive into the Hard Drive Tray Dummy Drive Drive TraySAS or Sata Hard Drive Drive Tray Removing Hard DriveRemoving the Backplane from the Chassis Removing and Installing the BackplaneRemoving the Backplane Loosening the Spring Bar Screws in the Floor of the Chassis Installing the Backplane Installing the Backplane into the ChassisShields Installing the MotherboardCompatible Motherboards Permanent and Optional Standoffs Chassis Setup and Maintenance Page Adapter Card Motherboard Drawer Spacer Plate Five Screws Installing and Replacing Adapter CardsInstalling the Adapter Card Removing the Adapter CardAdd-on Card/Expansion Slot Setup Add-on Card Slot Clip PCI Slot ShieldInstalling the Riser Card Installing the Riser CardRiser Card Installing Add-on CardsAdd-on Card Air Shrouds Installing the Air ShroudsInstalling an Air Shroud Checking Airflow Installation CompleteChecking the Airflow Optional Fan Configurations System Fans18 System Fan Placement Changing a System FanRelease Tab Power SupplyPower Supply Replacement Changing the Power Supply Unpacking the System Chapter Rack InstallationChoosing a Setup Location Rack Precautions General Server PrecautionsRack Mounting Considerations Rack Mounting Instructions Identifying the Sections of the Rack RailsReleasing Inner Rail from the Outer Rails Locking TabsReleasing the Inner Rail Inner Rails Installing The Inner Rails on the ChassisInstalling the Inner Rails Installing the Outer Rails on the Rack Installing the Outer RailsBall-Bearing Shuttle Standard Chassis InstallationInstalling the Chassis into a Rack Optional Quick Installation Method SC827 Chassis Manual Appendix a Cables, Screws Other Accessories Overview Compatibility and Optional Accessories ListChassis Screws DVD-ROM, CD-ROM, and Floppy DriveAppendix B SC827 Power Supply Specifications SC827 Chassis Manual General Safety Guidelines Appendix C SAS-827T Safety GuidelinesESD Safety Guidelines An Important Note to Users Introduction to the SAS-827T BackplaneFront Connectors Connector, Jumper and Pin DefinitionsFront Connectors and Jumpers MB Power Connections Connector Motherboard Front Connector and Pin DefinitionsMotherboard Power Connectors SAS PortsSystem Fans FAN4 FAN3 Chassis Fan ConnectorsFan Connector Y-Cable Optional feature, sold separately SAS-827T BackplaneManufacturers Test Connectors Backplane Main Power ConnectorsUpgrade Connector 14. 15. Backplane to Front Panel Headers22. 33. SAS Ports Figure C-7 Motherboard Locations In the ChassisFront Jumper Locations and Pin Definitions Explanation of JumpersD11 Front LED IndicatorsState Specification Rear Connectors and LED Indicators Appendix D SAS-827B Backplane Specifications Introduction to the SAS-827B Backplane Front Connectors Jumpers and Pin DefinitionsSAS-827B Backplane Motherboard to Backplane Connec- tors13. 14. Backplane to Front Panel Headers To modify the operation of the backplane Means the jumper is on and Open meansLED Indicators StateJ11 D18 D24 D27 D14D13 Figure D-6 Motherboard Locations In the Chassis
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