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Sun Microsystems 6000, 4000, 5000 Figure6-1 depicts a block diagram of the subsystems and centerplane connector.

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ClockBoard 6-3

Figure6-1 depicts a block diagram of the subsystems and centerplaneconnector.

Figure6-1 Clock Board Simplified Block Diagram

Centerplane

Reset

Console

Clocks

+5VDC

+3.3VDC

JTAG JTAGBus

Keyboard/

Reset

button

Clock_Frequency

ConsoleBus

ClockBus

ResetBus

cb_man_reset

cb_sys_reset

Serial ports

mouse

LEDs led[2..0]

connector

Reset

button

(xir)

Contents

Main Page Contents Part 1Product Description Part 2System Components Page Page Part 3Troubleshooting Part 4Service Information Part 5Appendixes Page Page Page Page Figures Page Page Page Page Page Page Page Tables Page Page Page Preface How This Book Is Organized UNIX Commands TypographicConventions The following table describes the typographic changes used in this book. Shell Prompts Related Documents Ordering Sun Documents Sun Welcomes YourComments Page Notes, Cautions, and Warnings Page Page Page ProductOverview 1 1.1 Standard Features Page Page Page 1.2 Basic Denitions Page 1.3 Internal Options Page SafetyPrecautions andTools Requirements 2 2.1 Safety Precautions 2.2 Symbols Page 2.3 ToolsRequired Page Page CPU/MemoryBoards and Components 3 3.1 Handling Boards and Assemblies 3.2 Filler Panels and Load Boards 3.3 Hot-Plug Feature 3.4 CPU/Memory Boards 3.4.1 Removing a Board 3.4.1.1 Removing a Board from a Powered On System Page 3.4.1.2 Removing a Board froma Nonpowered On System 3.4.2 Installing a Board 3.4.2.1 Board Slot Selection . 3.4.2.2 Cooling and Power Issues 3.4.2.3 Poweredor NonPowered On System Page Page 3.4.4.1 Removing a Module Page 3.4.4.2 Installing a Module Page 3.4.5 Memory Modules (SIMMs) 3.4.5.1 Removinga Memory Module 3.4.5.2 Installing a Memory Module Requirements MaximizingPerformance Installation Page Page I/OBoards andComponents 4 4.1 Handling Boards and Assemblies 4.2 Filler Panels and Load Boards Page 4.4 Hot-Plug Feature 4.5 I/O Boards 4.5.1 tpe-link-test? Variable Page Page Page Page 4.5.2 Removing a Board 4.5.2.1 Removing a Board from a Powered On System Page Page 4.5.2.2 Removing a Board froma Nonpowered On System 4.5.3 Installing a Board 4.5.3.1 Board Slot Selection Page 4.5.3.2 Cooling and Power Issues 4.5.3.3 Poweredor Nonpowered On System Page 4.5.4 SBus Cards Page 4.5.4.1 Plastic Standoffs 4.5.4.2 Removing an SBus Card Page 4.5.4.3 Preparingto Install an SBus Card LinkIntegrity Test Page 4.5.4.4 Installing an SBus Card 4.5.5 Graphics (UPA)Cards 4.5.5.1 Removing a Graphics (UPA)Card Page 4.5.5.2 Installing a Graphics (UPA)Card 4.5.6 Fibre Cards 4.5.6.1 Removing a Fibre Card Page Page 4.5.6.2 Installing a FibreCard Page Page DiskBoardsand Components 5 5.1 Handling Boards and Assemblies 5.2 Filler Panels and Load Boards Page Page 5.4 Hot-Plug Feature 5.5 Disk Boards 5.5.1 Removing a Board 5.5.1.1 Removing a Board from a Powered On System Page 5.5.1.2 Removing a Board froma Nonpowered On System 5.5.2 Installing a Board 5.5.2.1 Board Slot Selection Page 5.5.2.2 Cooling and Power Issues 5.5.2.3 Poweredor Nonpowered On System Page Page 5.5.2.4 Cabling Issues for Enterprise 6000 Systems 5.5.3 Disk Drives 5.5.3.1 Removing a Disk Drive 5.5.3.2 Installing a Disk Drive Page Page ClockBoard 6 6.1 Handling Boards and Assemblies 6.2 Clock Board Figure6-1 depicts a block diagram of the subsystems and centerplane connector. Page 6.2.4 Removing a Clock Board 6.2.5 Installing a Clock Board Page Page PowerSupplies 7 7.1 Safety Precautions 7.2 Distribution 7.3 Peripheral Power Supply 7.3.1 Troubleshootinga Peripheral Power Supply 7.3.2 Replacing a Peripheral Power Supply Page Page Page 7.4 Power/Cooling Module (PCM) 7.4.1 Power Requirements 7.4.2 Cooling Requirements 7.4.3 Troubleshootinga PCM 7.4.4 Replacing a PCM Page Page Page Page Page InternalSCSI andStorage Devices 8 Page Page 8.1 Tapeand CD-ROM Drives 8.1.1 Use and Maintenance 8.1.2 Removing/Replacing a Tape or CD-ROM Drive in Enterprise 6000/5000 Systems Page 8.1.3 Removing/Replacing a Tape or CD-ROM Drive in an Enterprise 4000 System Page Page 8.2 Multi-TapeTrayand SPARCstorage Library 8.3 External Disk Drives 8.3.1 Use and Maintenance 8.3.2 Removing and Installing a Disk Drive Page Page TroubleshootingOverview 9 9.1 Using a Terminal 9.2 Hardware Indicators 9.2.1 System Front Panel LEDs 9.2.2 Clock Board LEDs 9.2.3 CPU/Memory and I/O Board LEDs 9.2.4 Disk Board LEDs 9.2.5 Power Supplies 9.2.5.1 Peripheral Power Supply 9.2.5.2 Power/Cooling Modules (PCMs) 9.2.6 Disk Tray Indicators 9.3 Basic Denitions for the Card Cage When locating a board slot in the 8-slot and 16-slot card cages, remember: 9.4 Diagnosing Problems 9.4.1 Error Messages Error messages and other system messages are saved in the file /var/adm/messages. 9.4.2 SunVTS 9.4.3 prtdiag(1M) 9.4.3.1 History Log Option 9.4.3.2 Running prtdiag 9.4.4 POST and OpenBoot 9.4.4.1 show-devsCommand 9.4.4.2 printenvCommand 9.4.4.3 probe-scsiCommand 9.4.4.4 ReferenceDocuments for POST/OpenBoot 9.4.5 Solstice SyMON 9.5 Specic Problems and Solutions 9.5.1 Failure of Network Communications Descriptionof the Problem Determiningthe Device Names of the I/O Boards Solution1 Solution2 Page Page FlowDiagrams forTroubleshooting 10 This chapter discusses solutions for these subjects: 10.1 No AC or DC Power 10.2 System Cannot Boot 10.3 Defective CPU/Memory Board CPU/Memory boards are hot-pluggable. 10.4 Defective I/O Interface Board Interface boards are hot-pluggable in many instances. 10.5 Defective Disk Board The disk board is hot-pluggable. 10.6 Defective Disk Drive 10.7 Defective Power Supplies 10.8 Defective Clock Board Page Page Page Safetyand Tools 11 11.1 Safety Precautions 11.2 Symbols Page 11.3 System Precautions 11.4 ToolsRequired Page PoweringOffand On 12 12.1 Powering Off the System 12.1.1 Enterprise 6000/5000 Cabinet Systems Page 12.1.2 Enterprise 4000 System Page 12.2 Removing the External Cables Page 12.3 Restarting the System Page Page 12.4 Reading Boot Messages Table12-1 summarizes the front panel LED status conditions during and after POST. Page Preparingfor Service 13 13.1 Servicing Hot-Pluggable Components 13.2 Powering Off the System 13.3 Internal Access - Enterprise 6000/5000 Systems 13.3.1 Outer Cover Reference Guide 13.3.2 CD-ROM/Tape Device Door 13.3.3 Top FrontBezel 13.3.4 FrontPanels Hinged Door Page 13.3.5 Rear Screen Panel 13.3.6 Side Panels 13.3.7 Fan Tray Page 13.3.8 Kick Panel 13.3.9 Stabilizer Bar 13.4 Internal Access - Enterprise 4000 System 13.4.1 Top Bezel 13.4.2 SCSI Tray 13.5 Powering On the System Page Page Page Specications A A.1 Physical Specications Page A.2 Electrical Specications A.3 Environmental Requirements FunctionalDescription B B.1 System Overview B.1.1 Board Types Page B.2 System Packaging B.2.1 Enterprise 6000 Server B.2.2 Enterprise 5000 Server B.2.3 Enterprise 4000 Standalone Server B.3 Software B.4 BoardHot-Plug Procedures B.5 CPU/Memory Board Page B.5.3.2 SIMM Selection B.6 I/O Boards Page B.7 Network Interfaces B.8 Disk Board B.9 Power Supplies B.9.1 Power/Cooling Modules (PCMs) B.9.2 Peripheral Power Supply B.10 Clock Board B.11 Disk Trays B.12 CD-ROM/TapeTray Page SCSIDevices C C.1 SCSI TrayTargetIDs C.2 Disk Board TargetIDs C C.3 SCSI Cable Length C.4 SCSI Termination Rulesfor SystemConguration D D.1 Card Cage D.1.1 CPU/Memory Boards D.1.2 I/O Boards D.1.3 Disk Board D.1.4 Power Supplies and Fan Cooling D.1.5 Filler Panels and Load Boards D.2 SBus Modules D.3 CPU Modules D.4 Memory Modules D.5 Power Supplies D.6 Disk Drive Trays D.7 CD-ROM/TapeDrive Tray D.8 Connecting Cables D.8.1 SCSI D.8.2 Ethernet Page Non-ChassisField Replaceable Units(FRUs) E Refer to the following pages to remove and replace system subassemblies: E.1 Enterprise 6000/5000 Systems E.1.1 System Cabinet Fan Tray Assembly Toremove the fan tray screen: Toreplace the fan tray assembly: Toreplace the fan tray screen: E.1.2 Domestic and International System Cabinet AC Input Cable Assembly Toremove the AC input cable assembly: Toreplace the AC input cable assembly: E.1.3 Universal System Cabinet Power Sequencer Toremove the power sequencer: Toreplace the power sequencer: E.1.4 CD Tray Power and Data Cable Assemblies Toremove the cable assembly: Page Page Toreplace the cable assembly: E.1.5 Key Switch Assembly Toremove the key switch assembly: Page Page Page Page Page Toreplace the key switch assembly: E.1.6 SCSI Tape Adapter PCS Assembly Toremove the SCSI adapter assembly: Toreplace the SCSI adapter assembly: E.1.7 Key Switch Adapter Assembly Toremove the key switch adapter assembly: Toreplace the key switch adapter assembly: E.1.8 Fan Tray Assembly,200/240V Page E.1.9 Centerplane Toremove the centerplane: Toreplace the centerplane: Page E.2 Enterprise 4000 System E.2.1 Fan Tray Assembly,100V/240V Toreplace the fan tray assembly: E.2.2 Key Switch Assembly Toremove the key switch assembly: Page Toreplace the key switch assembly: E.2.3 Centerplane Toremove the centerplane: Page Toreplace the centerplane: Page IllustratedParts Breakdown(IPB) F Page Page Page F.1 Enterprise 6000/5000 Systems Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page F.2 Enterprise 4000 System Page Page Page Page Page Connectors G G.1 CPU/Memory Board G.1.1 Centerplane Connector G.1.2 CPU Module Connectors Page G.2 I/OBoard MII Page Page Page Page G.2.7 SCSI Connector G.3 Disk Board FigureG-19 shows the locations of the connectors on the Disk board. Page G.3.3 SCSI Out Connector G.4 Clock Board Page G.4.3 Keyboard and Mouse Connector Page Index A B C D E F G H I K L M N O P R S T U V Page Reader Comment Card