Silicon Graphics 1450 Specification

SGI™1450 Server

Maintenance Guide

Document Number 007-4276-001

Cover design by Sarah Bolles, Sarah Bolles Design, and Dany Galgani, SGI Technical Publications.

The contents of this document may not be copied or duplicated in any form, in whole or in part, without the prior written permission of Silicon

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harmful interference to radio communications.

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007-4276-001 iii

Record of Revision

Version Description

001 June 2000

Initial Rev

007-4276-001 v

Contents

Figures ..........................xi

Tables ..........................xiii

About This Guide.......................xv

ObtainingPublications.....................xv

ReaderComments.......................xv

1. Detailed Chassis Description ...................1

ChassisFeatures.......................2

Peripherals.........................9

PeripheralBay.......................9

DeviceBay......................9

MediaBay.......................9

HardDriveBay......................10

PowerSubsystem.......................11

SystemCooling .......................14

E-Bay..........................17

ChassisFrontControlsandIndicators.................18

RearPanelI/OPortsandFeatures..................19

2. Removing and Installing System Components ..............21

ToolsandSuppliesNeeded....................22

Pre-InstallationSafetyPrecautions..................22

FrontCover.........................23

RemovingtheFrontCover...................23

InstallingtheFrontCover...................24

TopCover.........................25

RemovingtheTopCover ...................25

InstallingtheTopCover....................25

vi 007-4276-001

Contents

MemoryRetentionBar......................26

RemovingtheMemoryRetentionBar................26

InstallingtheMemoryRetentionBar................27

Baseboard.........................27

RemovingtheBaseboard....................28

InstallingtheBaseboard....................31

PowerSubsystem.......................33

RemovingaPowerSupplyModule.................35

InstallingaPowerSupplyModule.................35

RemovingthePowerSubsystemBay................36

InstallingthePowerSubsystemBay.................37

CoolingSystem........................38

RemovingtheFanBoardAssembly.................39

InstallingtheFanBoardAssembly.................40

ReplacingtheFanBoard....................40

Removing and Installing Individual Fans ...............42

HardDriveBay........................42

RemovingtheHardDriveBay..................43

InstallingtheHardDriveBay..................44

PeripheralDevices.......................45

RemovingaDrivefromtheMediaBay................45

InstallingaDriveintheMediaBay.................46

ReplacingaDriveintheDeviceBay.................46

SCSIRequirements.......................47

3. Removing and Installing Baseboard Components .............49

ToolsandSuppliesNeeded....................50

Pre-InstallationSafetyPrecautions..................50

BaseboardConnectorandComponentLocations..............52

Memory..........................53

RemovingtheMemoryModule..................55

InstallingtheMemoryModule..................55

RemovingDIMMs......................56

InstallingDIMMs......................56

Contents

007-4276-001 vii

Processors.........................57

RemovingaProcessor....................59

InstallingaProcessor.....................59

RemovingProcessorRetentionMechanisms..............59

InstallingProcessorRetentionMechanisms..............60

InstallingProcessorHandles ..................60

InstallingProcessorHeatsinks..................60

VoltageRegulatorModules(VRMs)..................61

RemovingaVRM......................62

InstallingaVRM......................62

BackupBattery........................63

Add-inBoards........................65

Removinga32-bit,33-MHzHalf-LengthPCIAdd-inBoard .........65

Installinga32-bit,33-MHzHalf-LengthPCIAdd-inBoard..........66

Removinga64-bit,66/33-MHzHot-PlugPCIAdd-inBoard.........67

Installinga64-bit,66/33-MHzHot-PlugPCIAdd-inBoard..........69

ICMBCard.........................70

InstallinganICMBCard....................71

RemovinganICMBCard ...................73

4. Solving Problems .......................75

ResettingtheSystem......................75

InitialSystemStartup......................75

NewApplicationSoftware....................76

AftertheSystemHasBeenRunningCorrectly...............77

viii 007-4276-001

Contents

SpecificProblemsandCorrectiveActions................77

PowerLightDoesNotLight...................78

NoBeepCodes.......................78

NoCharactersAppearonScreen .................79

CharactersAreDistortedorIncorrect................79

SystemCoolingFansDoNotRotateProperly..............80

DisketteDriveActivityLightDoesNotLight..............80

HardDriveActivityLightDoesNotLight...............81

CD-ROMDriveActivityLightDoesNotLight .............81

ProblemswithApplicationSoftware................81

ErrorandInformationalMessages..................82

EquipmentLog........................84

A. Technical Reference ......................87

InternalCablesandConnectors...................87

ConnectorsAccessibletotheUser..................90

KeyboardandMousePorts...................90

SerialPorts........................90

ParallelPort .......................91

VideoPort........................92

UniversalSerialBus(USB)Interface.................93

ICMBConnectors......................94

EthernetConnector.....................94

InternalSCA-2HDDConnector..................95

ExternalAdaptecUltra160/mSCSI.................97

ACPowerInput......................99

PeripheralAdapterBoardsandConnectors...............100

CD-ROMConnectors....................100

FloppyConnectors ....................103

Contents

007-4276-001 ix

BaseboardConnectors .....................105

PowerDistributionBoardInterfaceConnectors(J9B1,J9D1,J9B2)........107

FrontPanelInterface(J9E3)...................111

Hot-PlugPCIIndicatorBoardInterface(J3D1).............113

MemoryModuleInterface(J6F1).................115

ProcessorModuleConnector(J7A1,J7B1,J7C1,J7D1)...........119

ProcessorTermination,Regulation,andPower.............123

TerminationCard......................125

ServerMonitorModuleConnector(J7H1)...............125

SMBusConnector(J9E4)....................127

ICMBConnector(J1D2)....................127

Auxiliary I2CConnector(J9E4)..................128

BaseboardFanConnectors(J3C1,J3A1,J4A1,J4C1)............128

InternalDiskDriveLEDConnection................130

BaseboardJumpers......................131

ChangingJumperSettings....................133

CMOSClearJumper.....................133

PasswordClearJumper....................135

RecoveryBootJumper....................136

Interrupts.........................137

VideoModes........................138

B. Physical Environment Specifications .................141

Index ..........................143

007-4276-001 xi

Figures

Figure 1-1 ServerinRack-MountableConfiguration........3

Figure 1-2 FrontCoverRetainingScrews ...........4

Figure 1-3 TopCoverThumbscrew.............5

Figure 1-4 (Left) Server without Covers. (Right) Overhead View of E-Bay . . 6

Figure 1-5 HardDriveinDriveCarrier............10

Figure 1-6 PowerSubsystem...............12

Figure 1-7 FanBoardAssembly..............15

Figure 1-8 FanLEDs .................16

Figure 1-9 FrontPanelControlsandIndicators..........18

Figure 1-10 RearPanelI/OPortsandFeatures..........19

Figure 2-1 MemoryRetentionBar..............27

Figure 2-2 PowerSupplyACBracket.............29

Figure 2-3 E-BayRetainingScrews.............30

Figure 2-4 RearRetentionMechanism............31

Figure 2-5 PowerSubsystem...............34

Figure 2-6 MetalPlateCoveringthePowerSubsystemBay......38

Figure 2-7 FanBoardAssemblyScrew............39

Figure 2-8 FanAssemblyRotatedawayFromItsBase........41

Figure 2-9 HardDriveBayTabs..............43

Figure 2-10 RemovingtheHardDriveBayfromtheChassis......44

Figure 2-11 LocationoftheMediaBayScrew...........45

Figure 3-1 BaseboardConnectorandComponentLocations......52

Figure 3-2 MemoryModuleDIMMInstallationSequence.......54

Figure 3-3 DIMMOrientationinaMemoryModule........57

Figure 3-4 ProcessorOrientationandComponents.........58

Figure 3-5 InstallingaVRM...............63

Figure 3-6 FrontHot-PlugRetentionMechanism.........68

xii 007-4276-001

Figures

Figure 3-7 ICMBCard.................71

Figure 3-8 ExampleofanICMBCardAttachedtoaChassis......72

Figure 3-9 InternalCableAttachedtotheICMBCard........72

Figure 3-10 ExternalCableAttachedtotheCard..........73

Figure A-1 DetailedDiagramofConnectorLocations.......105

Figure A-2 BaseboardConfigurationJumpers .........131

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Tables

Table 1-1 SGI1450ServerPhysicalSpecifications.........2

Table 1-2 ChassisFeatureSummary.............7

Table 1-3 HardDriveLEDStateStatus............11

Table 1-4 ACPowerLEDStateStatus............14

Table 1-5 FanLEDStateStatus..............16

Table 3-1 VRM/ProcessorPowerSequencing..........61

Table 3-2 Processor/VRMPopulationSequencing ........61

Table 4-1 ResettingCommands..............75

Table 4-2 StandardBIOSPort-80Codes............82

Table 4-3 RecoveryBIOSPort-80Codes............83

Table 4-4 EquipmentLog................84

Table A-1 SGI1450serverCablesandConnectors.........87

Table A-2 KeyboardandMouseConnectors..........90

Table A-3 SerialPorts.................91

Table A-4 ParallelPort.................91

Table A-5 VideoPort.................92

Table A-6 USBConnector................93

Table A-7 ICMBConnectors...............94

Table A-8 EthernetConnector...............94

Table A-9 InternalSCA-2HDDConnector...........95

Table A-10 ExternalAdaptecUltra160/mSCSI..........97

Table A-11 CD-ROMAdapterBoard40PositionIDEConnector.....100

Table A-12 CD-ROMAdapterBoardPowerConnector........101

Table A-13 AudioConnector...............101

Table A-14 CD-ROMJAEConnector.............101

Table A-15 34-PositionFloppyConnectorPin-Out.........103

Table A-16 FloppyAdapterBoardPowerConnector........104

xiv 007-4276-001

Tables

Table A-17 FFCconnector...............104

Table A-18 ConnectorDescription.............106

Table A-19 MainPowerConnectorA(J9B1)..........108

Table A-20 MainPowerConnectorB(J9D1)..........109

Table A-21 AuxiliaryPowerConnector(J9B2) .........110

Table A-22 FrontPanelConnector(J9E3)...........111

Table A-23 Hot-PlugIndicatorBoardConnectorPinout(J3D1).....114

Table A-24 MemoryModuleInterface............115

Table A-25 ProcessorCardConnector(J7A1,J7B1,J7C1,J7D1).....119

Table A-26 ProcessorVRMConnectors(J2A2,J2B1,J2C1)......123

Table A-27 ServerMonitorModuleConnectorPinout.......126

Table A-28 SMBusConnector(J9E4)............127

Table A-29 ICMBConnector(J1D2).............128

Table A-30 IMBConnector(J8F1).............128

Table A-31 ProcessorFanConnector#1(J3C1).........129

Table A-32 ProcessorFanConnector#2(J3A1).........129

Table A-33 ProcessorFanConnector#3(J4A1).........130

Table A-34 ProcessorFanConnector#4(J4C1).........130

Table A-35 InternalDiskDriveLEDConnector.........130

Table A-36 ConfigurationJumperSettings ..........132

Table A-37 ConfigurationofJumpers............132

Table A-38 BeepCodes................136

Table A-39 InterruptDefinitions.............137

Table A-40 StandardVGAModes.............138

Table B-1 EnvironmentalSpecifications...........141

007-4276-001 xv

About This Guide

This guide contains a detailed description of the SGI™ 1450 server chassis and provides

information on removing and installing field-replaceable components.

The information in this guide is intended for trained service personnel.

The following topics are covered:

• Detailed Chassis Description

• Removing and Installing System Components

• Removing and Installing Baseboard Components

•SolvingProblems

See the SGI 1450 Server User’s Guide for information on installing customer-replaceable

components and configuring software and utilities.

See the SGI 1450 Server Mounting Instructions for instructions on mounting the SGI 1450

server in a 19-inch rack.

See the SGI 1450 Server Quick Start Guide for information on setting up your system.

Obtaining Publications

To obtain SGI documentation, go to the SGI Technical Publications Library at

http://techpubs.sgi.com.

Reader Comments

Ifyouhavecommentsaboutthetechnicalaccuracy,content,ororganizationofthis

document, please tell us. Be sure to include the title and document number of the manual

xvi 007-4276-001

About This Guide

with your comments. (Online, the document number is located in the front matter of the

manual. In printed manuals, the document number can be found on the back cover.)

You can contact us in any of the following ways:

• Send e-mail to the following address:

[email protected]

• Use the Feedback option on the Technical Publications Library World Wide Web

page:

http://techpubs.sgi.com

• Contact your customer service representative and ask that an incident be filed in the

SGI incident tracking system.

• Send mail to the following address:

Technical Publications

SGI

1600 Amphitheatre Pkwy., M/S 535

Mountain View, California 94043-1351

• Send a fax to the attention of “Technical Publications” at +1 650 932 0801.

SGIvaluesyourcommentsandwillrespondtothempromptly.

007-4276-001 1

Chapter 1

1. Detailed Chassis Description

This chapter provides a detailed description of chassis features. For a general

description, see the SGI 1450 Server User’s Guide.

The following sections are covered:

• Chassis Features

• Peripherals

•HardDriveBay

•PowerSubsystem

• System Cooling

•E-Bay

• Chassis Front Controls and Indicators

• Rear Panel I/O Ports and Features

2007-4276-001

1: Detailed Chassis Description

Chassis Features

The SGI 1450 server is designed either to be mounted in a standard 19-inch rack (rack

mode) or to stand upright (pedestal mode). Table 1-1 shows the physical specifications

for the SGI 1450 server in rack mode.

For instructions on mounting the SGI 1450 server in a 19-inch rack, see the SGI 1450

Server Mounting Instructions.

Table 1-1 SGI 1450 Server Physical Specifications

Specification Rack Mode

Height 4u (7 inches)

Width 17.5-inch rack

Depth 26.5 inches

Weight 57 lbs (26 kg), minimum configuration

88 lbs (40 kg), maximum configuration

Required front clearance 3 inches (inlet air temperature <35 °C / 95 °F)

Required rear clearance 6 inches (no airflow restriction allowed)

Required side clearance 1 inch

Chassis Features

007-4276-001 3

Figure 1-1 shows an SGI 1450 server in rack-mountable configuration.

Figure 1-1 Server in Rack-Mountable Configuration

A. Top cover. The top cover protects the contents of the chassis.

B. Front cover. The front cover protects the peripheral devices.

C. Front bezel door. When this door is open, you can access hard drives and peripheral

devices.

D. Front bezel.

A

B

C

D

4007-4276-001

1: Detailed Chassis Description

The chassis has two covers: a front cover and a top cover. The front cover is held in place

by three screws. The screws are noted by “A” in Figure 1-2.

Figure 1-2 Front Cover Retaining Screws

A

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