Sun Microsystems 220R

6.6 How to Replace the DC-to-DC

Converter

6.6.1 Before You Begin

Complete this task:

Section 2.8 “How to Avoid Electrostatic Discharge” on page 69

Note - The DC-to-DC converter on this system is an assembly consisting of two

parts, part numbers 375-0094 and 300-1455. Be sure you have both parts when your

are replacing the DC-to-DC converter.

6.6.2 What to Do

1. Insert the replacement VRM DC-to-DC card into the replacement DC-to-DC

converter board.

Removing and Replacing Miscellaneous Assemblies 171

Contents

Main Please Recycle Contents Page Page Page Page Page Page Page Page Page Page Page Page Page Declaration of Conformity EMC USAFCC Class A European UnionEC Safety Supplementary Information Page Page Regulatory Compliance Statements FCC Class A Notice Page Page Page Safety Agency Compliance Statements Safety Precautions Symbols Modications to Equipment Placement of a Sun Product SELV Compliance Safety status of I/O connections comply to SELVrequirements. Power Cord Connection The following caution applies only to devices with a Standby power switch: Lithium Battery Battery Pack System Unit Cover Laser Compliance Notice Einhaltung sicherheitsbehrdlicher Vorschriften Sicherheitsvorkehrungen Symbole Aufstellung von Sun-Gerten Einhaltung der SELV-Richtlinien Die Sicherung der I/O-Verbindungenentspricht den Anforderungen der SELV-Spezikation. Anschlu des Netzkabels Die folgende Warnunggilt nur fr Gerte mit Wartezustand-Netzschalter: Lithiumbatterie Batterien Gehuseabdeckung Einhaltung der Richtlinien fr Laser Conformit aux normes de scurit Mesures de scurit Symboles Page L"avertissement suivant s"applique uniquement aux systmes quips d"un interrupteur VEILLEUSE: Batterie au lithium 36 Bloc-batterie Couvercle Conformit aux certications Laser Normativas de seguridad Precauciones de seguridad Smbolos Modicaciones en el equipo Ubicacin de un producto Sun Cumplimiento de la normativa SELV Conexin del cable de alimentacin elctrica Batera de litio Paquete de pilas Tapa de la unidad del sistema Aviso de cumplimiento con requisitos de lser GOST-R Certication Mark Nordic Lithium Battery Cautions Norge Page Page Preface How This Book Is Organized Using UNIX Commands Typographic and Command Entry Conventions Shell Prompts Related Documentation Accessing Sun Documentation Online Page Page Video Demonstration of Servicing the System 1.1 Video of System Disassembly 1.1.1 Disassembling the System, Part 1 1.2 Video of System Reassembly Preparing to Service the System 2.1 How to Power Off the System Caution - Note - 2.1.1 What to Do 2.2 How to Power On the System 2.2.1 Before You Begin Note - 2.2.2 What to Do Caution - Caution - Page Note - 2.3 How to Initiate a Reconguration Boot 2.3.1 Before You Begin Caution - 2.3.2 What to Do Note - Caution - 2.3.3 What Next 2.4 How to Position the System for Service Note - 2.4.1 Before You Begin 2.4.2 What to Do Caution - Page Page 2.5 How to Slide the System Into the Rack Page 2.5.3 What Next 2.6 How to Remove the System Cover Caution - Page 2.7 How to Replace the System Cover Page 2.8 How to Avoid Electrostatic Discharge 2.8.1 Before You Begin 2.8.2 What to Do Caution - Page Page 2.9.1 Keyswitch Settings 2.9.2 System LED Indicators 2.10 About Communicating With the Server 2.11 How to Attach an Alphanumeric Terminal 2.11.1 Before You Begin 2.11.2 What to Do 2.11.3 What Next 2.12 How to Congure a Local Graphics Console 2.12.1 Before You Begin 2.12.2 What to Do Page Page 2.14 How to Remove the System From the Rack Caution - 2.14.1 Before You Begin Caution - 2.14.2 What to Do Page 2.14.3 What Next 2.15 How to Place the System Into the Rack Glides Caution - 2.15.1 Before You Begin Caution - 2.15.2 What to Do Page Page Page 2.15.3 What Next Servicing the Main Logic Board and Components 3.1 How to Remove a Memory Module 3.1.1 Before You Begin Caution - 3.1.2 What to Do Page 3.2 How to Install a Memory Module 3.2.1 Conguration Rules Page Caution - 3.2.3 What to Do 3.2.4 What Next 3.3 How to Remove a PCI Card 3.3.1 Before You Begin 3.3.2 What to Do Caution - Page Page 3.4 How to Install a PCI Card 3.4.1 Before You Begin 3.4.2 What to Do Page Page 3.5 How to Remove a CPU Module 3.5.1 Before You Begin 3.5.2 What to Do Page 3.5.3 What Next 3.6 How to Install a CPU Module 3.6.1 Before You Begin Page Page Page 3.6.3 What Next 3.7 How to Remove the NVRAM/TOD Module 3.7.1 Before You Begin 3.7.2 What to Do Page 3.8 How to Replace the NVRAM/TOD Module 3.8.1 Before You Begin Note - 3.8.2 What to Do 3.8.3 What Next 3.9 How to Remove the Air Guide 3.10 How to Replace the Air Guide 3.10.3 What Next 3.11 How to Remove the CPU Card Cage Assembly 3.11.1 Before You Begin Note - 3.11.2 What to Do Page Page Page 3.13 How to Remove the Main Logic Board 3.13.1 Before You Begin Caution - 3.13.2 What to Do Page 3.13.3 What Next 3.14 How to Replace the Main Logic Board 3.14.1 Before You Begin Caution - 3.14.2 What to Do Caution - Page 3.14.3 What Next 3.15 How to Set the Serial Port Jumpers 3.15.1 Before You Begin 3.15.2 What to Do Page 3.15.3 What Next 3.16 How to Set the Flash PROM Jumpers 3.16.1 Before You Begin 3.16.2 What to Do 3.16.3 What Next Page Removing and Installing Storage Devices 4.1 How to Remove a Disk Drive 4.1.1 Before You Begin Note - 4.1.2 What to Do Page 4.2 How to Install a Disk Drive 4.2.1 Before You Begin Note - 4.2.2 What to Do Note - 4.2.3 What Next 4.3 How to Remove the Removable Media Assembly (RMA) Note - 4.3.1 Before You Begin 4.3.2 What to Do 4.3.3 What Next Page Page 4.4.3 What Next Page 4.5.3 What Next 4.6 How to Install a CD-ROM or Tape Drive 4.6.1 Before You Begin 4.6.2 What to Do 4.6.3 What Next Page Note - 5.1.2 What to Do Page Page Page 5.2.3 What Next 5.3 How to Remove the Power Distribution Board 5.3.1 Before You Begin Caution - Note - 5.3.2 What to Do Page Page Page Page Caution - 5.4.2 What to Do Page Page 5.4.3 What Next 5.5 How to Connect the System Cables 5.5.1 Before You Begin 5.5.2 What to Do 5.5.3 Cable Connectors and Routing 156 Page Page Removing and Replacing Miscellaneous Assemblies 6.1 How to Remove a Power Supply 6.1.1 Before You Begin 6.1.2 What to Do Caution - Note - 6.1.3 What Next 6.2 How to Install a Power Supply 6.2.1 Before You Begin 6.2.2 What to Do Caution - Note - 6.2.3 What Next 6.3 How to Remove the Fan Tray Assembly 6.3.1 Before You Begin 6.3.2 What to Do 6.4 How to Replace the Fan Tray Assembly 6.4.2 What to Do Note - 6.4.3 What Next 6.5 How to Remove the DC-to-DC Converter 6.5.1 Before You Begin 6.5.2 What to Do Page Page Page Page Page Page Page 6.7.2 What to Do Page 6.8.2 What to Do 6.8.3 What Next 6.9 How to Remove a System Door Page Page Page Page Page Diagnostics and Troubleshooting 7.1 About Diagnostic Tools Page 7.3 How to Use POST Diagnostics 7.3.1 Before You Begin 7.3.2 What to Do Note - 7.3.3 Results 7.3.3.1 Observing POST in Progress 7.4 How to Set Up a tip Connection Note - 7.4.1 How to Verify the Baud Rate Note - 7.5 About OpenBoot Diagnostics (OBDiag) 7.5.1 OBDiag Menu 7.5.2 Conguration Variable 194 7.6 How to Use OpenBoot Diagnostics (OBDiag) 7.6.1 What to Do Note - 7.6.2 OBDiag Tests Note - 7.6.3 PCI/Cheerio The following example shows the PCI/Cheerio diagnostic output message. 7.6.4 EBus DMA/TCR Registers 198 The EBus DMA/TCR registers diagnostic performs the following tests. The following example shows the EBus DMA/TCR registers diagnostic output message. 7.6.5 Ethernet The Ethernet diagnostic performs the following tests. The following example shows the Ethernet diagnostic output message. 7.6.6 Keyboard 7.6.7 Mouse 7.6.8 Parallel Port 7.6.9 Serial Port A 7.6.10 Serial Port B 202 7.6.11 NVRAM 7.6.12 Audio 7.6.13 SCSI 7.6.14 All Above Note - Page 7.7 How to Set the Diagnostic Level for POST and OBDiag 7.7.1 Before You Begin Diagnostics and Troubleshooting 205 7.7.2 What to Do Note - 7.8 About SunVTS Software 7.8.1 For More Information 7.9 How to Check Whether SunVTS Software Is Installed 7.9.1 Before You Begin 7.9.2 What to Do 7.9.3 What Next 7.10 How to Use SunVTS Software 7.10.1 Before You Begin 7.10.2 What to Do Page 7.10.3 Results 7.11 About Sun Enterprise SyMON Software 7.12 About Troubleshooting Your System 7.12.1 Error Indications 7.12.1.1 FrontPanel LEDs 7.12.1.2 KeyboardLEDs Note - Page Note - 7.12.1.3 Power Supply LEDs 7.12.1.4 Disk Drive LEDs 7.12.1.5 Error Messages 7.12.2 Software Commands 7.12.2.1 Solaris prtdiag Command Note - 7.12.2.2 Solaris eeprom Command 218 Caution - 7.12.2.3 OBP printenv Command 220 . Diagnostics and Troubleshooting 221 7.12.2.4 OBP setenv Command 222 Caution - 7.12.2.5 OBP probe-scsi and probe-scsi-all Commands Note - probe-scsi-all output: 224 7.13 About Diagnosing Specic Problems 7.13.1 Network Communications Failure 7.13.1.1 Symptom 7.13.1.2 Action Note - Determining the Device Name of the Ethernet Interface Solution 1 Solution 2 7.13.2 Power-On Failures 7.13.2.1 Symptom 7.13.2.2 Action 7.13.3 Disk or CD-ROM Drive Failure 7.13.3.1 Symptom 7.13.3.2 Action 7.13.3.3 Symptom 7.13.3.4 Action 7.13.4 SCSI Controller Failures 7.13.5 Power Supply Failure 7.13.6 DIMM Failure Page Page A.1.2 Keyboard/Mouse Connector Signals A.2 Reference for the Serial Port A and B Connectors A.2.1 Serial Port A and B Connector Diagram A.2.2 Serial Port Signals Page A.3 Reference for the Twisted-Pair Ethernet (TPE) Connector A.3.1 TPE Connector Diagram A.3.2 TPE Connector Signals A.4 Reference for the UltraSCSI Connector A.4.1 UltraSCSI Connector Diagram A.4.2 UltraSCSI Connector Signals Page Page A.5 Reference for the Parallel Port Connector The parallel port connector is a DB-25 type connector located on the main logic board back panel. 240 A.5.1 Parallel Port Connector Diagram A.5.2 Parallel Port Signals Page A.6 Reference for the Media Independent Interface (MII) Connector The media independent interface (MII) connector is located on the main logic board back panel. 242 A.6.1 MII Connector Diagram A.6.2 MII Connector Signals Page System Specications B.1 Reference for System Specications B.1.1 Physical Specications B.1.2 Electrical Specications B.1.3 Environmental Specications The environmental requirements for the system are as follows. 246 Page Page Functional Description C.1 System Unit Page Page C.1.1 UPA C.1.2 PCI Bus C.1.2.1 U2P ASIC C.1.2.2 Symbios 53C876 SCSI Controller C.1.2.3 PCIO ASIC C.1.3 UltraSPARC II Processor C.1.4 Memory System Page Page Page C.1.4.2 Memory System Timing C.1.5 Graphics and Imaging C.1.6 Peripherals C.1.6.1 CD-ROM Drive Note - C.1.6.2 Hard Drives C.1.7 Other RMA Storage Device X-Options C.1.8 Keyboard and Mouse Port, and Parallel Port C.1.8.1 Keyboard and Mouse Port C.1.8.2 Parallel Port Parallel Port Cables Electrical Characteristics C.1.9 Serial Port C.1.9.1 Serial Port Components Serial Port Functions EIA Levels Synchronous Rates Asynchronous Rates Slew Rate and Cable Length C.1.10 Ethernet C.1.10.1 Automatic Negotiation C.1.10.2 External Transceivers C.1.10.3 External Cables Note - C.1.10.4 Connectors C.1.10.5 MII Power C.1.11 SCSI C.1.11.1 Host Adapter C.1.11.2 Supported Target Devices C.1.11.3 External Cables C.1.11.4 Internal SCSI Subassembly C.1.11.5 SCSI ID Selection C.1.12 ASICs C.1.12.1 XB9+ C.1.12.2 QSC C.1.12.3 PCIO C.1.12.4 U2P C.1.12.5 FBC C.1.12.6 RISC C.1.13 SuperIO C.1.14 Power Supply Note - C.1.15 Control Signals C.1.15.1 Remote Enable PowerOn C.1.15.2 System Unit Power Budget PCI Cards 276 . The following table lists 3.3VDC PCI card power estimates. Memory System The following table lists the memory system power budget. Page Page Illustrated Parts Breakdown D.1 Part Numbers Note - Page Page Page Page Page Page Page Page Page Video Player Help E.1 Do You Have a Problem Playing Video? E.1.1 Sun Server Users E.1.2 PC Users E.2 Requirements for Playing Video Note - E.3 Obtaining and Accessing the ShowMe TV Player on Solaris Systems E.3.1 Obtaining ShowMe TV Software Note - E.3.2 Accessing ShowMe TV Software E.3.3 How to Install ShowMe TV on Your System Note - Page E.4 Conguring Web Browsers to View AnswerBook2 Video Note - E.4.1 Conguring Web Browsers to Use ShowMe TV E.4.1.1 To Congure HotJava Browser 1.0 or 1.1 E.4.1.2 To Congure Netscape Navigator 3.x or 4.x Page E.5 Improving Online Video Performance E.5.1 Video Files and Your System Resources E.5.2 Improving File Loading Time E.5.3 Conguring Web Browsers Not to Use Proxies for the AnswerBook2 Server E.5.3.1 To Congure HotJava Browser 1.0 or 1.1 E.5.3.2 To Congure Netscape Navigator 3.x or 4.x E.5.3.3 To Congure Microsoft Internet Explorer E.5.4 Quitting the Video Player E.5.5 Adjusting the Brightness of ShowMe TV Files E.5.6 Playing the Movies From the AnswerBook2 CD