Replacing the NVRAM/TOD | Sun Microsystems 60 guide

5.Remove the NVRAM/TOD as follows (FIGURE 10-2):

a.Locate the NVRAM/TOD and carrier on the motherboard.

b.Grasp the NVRAM/TOD carrier at each end and pull straight up.

Note –Gently wiggle the NVRAM/TOD as necessary.

6.Place the NVRAM/TOD and carrier on an antistatic mat.

NVRAM/TOD

Carrier

FIGURE 10-2Removing and Replacing the NVRAM/TOD

10.2.2Replacing the NVRAM/TOD

Caution –Use proper ESD grounding techniques when handling components. Wear an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive components in antistatic bags before placing them on any surface.

10-6Sun Ultra 60 Service Manual • August 2001

Image 154

Sun Microsystems 60 service manual 2Removing and Replacing the NVRAM/TOD

Contents

Sun Ultra 60 Service Manual Page Contents Troubleshooting Procedures 4-14.1 Power-On Failure Power On and Off Contents Storage Devices 9-19.1 Hard Drive Illustrated Parts List 11-1 Product Specifications Functional Description Glossary G-1 Index Figures 10-8 10-310-6 10-11 10-22 10-24 Figures 10-23 Tables10-13 11-3 Mass Storage Device Power Estimates How This Book Is Organized Table P-1Document Organization Unix Commands Table P-2Typographic Conventions Typographic ConventionsShell Prompts Table P-3Shell Prompts Machinename# Related Documents Table P-4Related Documents Accessing Sun Documentation Online Ordering Sun Documentation Sun Welcomes Your Comments Page Product Description System unit I/O Devices System Unit Features1Supported I/O Devices CD-ROM drive Or tape drive Diskette drive Power LED System Unit Components 3System Unit Rear View 2System Unit Replaceable Components NVRAM/TOD Page SunVTS Overview SunVTS Description SunVTS Operation 1SunVTS Documentation Power-On Self-Test Post Overview 1Diag-Level Switch SettingsPre-POST Preparation Setting Up a Tip Connection 1Setting Up a TIP Connection Verifying the Baud Rate Initializing Post 2Sun Type-5 Keyboard Maximum and Minimum Levels Verify the following Diag-levelVariable Set to max Code Example 3-1 diag-levelVariable Set to max Power-On Self-Test Code Example 3-1 diag-levelVariable Set to max Power-On Self-Test Code Example 3-1 diag-levelVariable Set to max Power-On Self-Test Diag-levelVariable Set to min Power-On Self-Test Code Example 3-2 diag-levelVariable Set to min Power-On Self-Test Post Progress and Error Reporting Code Example 3-3Typical Error Code Failure Message 0STATUS =FAILED 0TEST Bypassing Post 2Keyboard LED Patterns Additional Keyboard Control Commands System and Keyboard LEDs Initializing Motherboard Post Page Troubleshooting Procedures Power-On Failure Action Video Output Failure Disk Drive or CD-ROM Drive Failure At the system ok prompt 1Internal Drives Identification Power Supply Test Supply Trip L Dimm Failure OpenBoot Prom On-Board Diagnostics 5DIMM Physical Memory Address Watch-clock Probe-scsi and probe-scsi-all Test alias name, device path, -all 6Selected OBP On-Board Diagnostic Tests UPA Graphics Card OpenBoot Diagnostics Ok% test screen Verify that the OBDiag screen is displayed Code Example 1 PCI/Cheerio Code Example 4-9PCI/Cheerio Output Message Ethernet EBus DMA/TCR RegistersCode Example 4-10EBus DMA/TCR Registers Output Message Code Example 4-11Ethernet Output Message KeyboardCode Example 4-12Keyboard Output Message Parallel Port MouseFloppy Code Example 4-13Mouse Output Message Code Example 4-15Parallel Port Output Message Serial Port aCode Example 4-16Serial Port a Output Message Code Example 4-16Serial Port a Output Message Serial Port B Code Example 4-18Serial Port B Output Message Code Example 4-19NVRAM Output Message NvramAudio Audio Output Message Scsi Output Message ScsiAll Above Code Example 4-22All Above Output Message BAUDRATE=’1200’ Code Example 4-22All Above Output Message Page Safety and Tool Requirements Safety Requirements Symbols Safety Precautions Electrostatic Discharge Lithium Battery Tools Required Power On and Off Powering On the System Unit 1System Unit Power-On Front Panel Powering Off the System Unit 3System Unit Power-Off Front Panel Internal Access Removing the Side Access Cover 1Lock Block Location 2Removing the Side Access Cover Attaching the Wrist Strap Replacing the Side Access Cover 3Attaching the Wrist Strap to the Chassis 4Replacing the Side Access Cover Page Major Subassemblies Power Supply Removing the Power Supply Replacing the Power Supply 1Removing and Replacing the Power Supply Part 1 Power on the system unit PCI Fan Assembly Removing the PCI Fan Assembly Replacing the PCI Fan Assembly 3Removing and Replacing the PCI Fan Assembly Hard Drive Bay With Scsi Assembly Removing the Scsi Drive Bay See .1.1, Removing a Hard Drive on Replacing the Scsi Drive Bay 4Removing and Replacing the Scsi Drive Bay See .1.2, Replacing a Hard Drive on Removing the Peripheral Power Cable Assembly Cable Assemblies Replacing the Peripheral Power Cable Assembly Removing the Diskette Drive Cable Assembly Replacing the Diskette Drive Cable Assembly EMI Filler Panels Removing an EMI Filler Panel Replacing an EMI Filler Panel 5Removing and Replacing the Bezel EMI Filler Panel Chassis Foot Removing the Foot Removing the Speaker Assembly Speaker AssemblyReplacing the Foot Replacing the Speaker Assembly 8Removing and Replacing the Speaker Assembly DC Switch Assembly Removing the DC Switch Assembly 9System Unit Power-Off Front Panel 11Removing the Side Access Cover 12Attaching the Wrist Strap to the Chassis Bracket tab PCI card Bracket tab UPA graphics card Remove the PCI fan assembly Figure Remove the hard drives Figure Major Subassemblies Screw To terminator board Scsi cable DC power connector DC power cable routing J3504 Screw Light pipe Bezel Nameplate 19Removing and Replacing the Front Panel Replacing the DC Switch Assembly 20Removing and Replacing the Front Panel DC Switch AssemblyPage See .1.2, Replacing a Hard Drive on 21Replacing the Side Access Cover 22System Unit Power-On Front Panel CPU Fan Assembly Removing the CPU Fan Assembly Replacing the CPU Fan Assembly 24Removing and Replacing the CPU Fan Assembly Shroud Assembly Removing the Shroud Assembly Replacing the Shroud Assembly 25Removing and Replacing the Shroud Assembly See .1.3, Replacing the CPU Module on Storage Devices Hard Drive Removing a Hard Drive Replacing a Hard Drive 1Removing and Replacing a Hard Drive Removable Media Assembly Drive Removing the RMA Attach the wrist strap Removing the CD-ROM Drive or Any X-Option Tape Drive 2Removing and Replacing a RMA Drive Part 1 3Removing and Replacing a RMA Drive Part 2 Replacing the CD-ROM Drive or Any X-Option Tape Drive Removing the Diskette Drive Replacing the Diskette Drive Replacing the RMA Replace the side access cover Motherboard and Component Replacement Special Considerations for Systems With 450 MHz CPU Modules CPU ModuleRemoving the CPU Module Attach a wrist strap Replacing the CPU Module NVRAM/TOD Removing the NVRAM/TOD Replacing the NVRAM/TOD 2Removing and Replacing the NVRAM/TOD PCI Card Removing a PCI Card 3Removing and Replacing a PCI Card Replacing a PCI Card UPA Graphics Card Removing the UPA Graphics Card Replacing the UPA Graphics Card 4Removing and Replacing a UPA Graphics Card Dimm To remove and replace a DIMM, proceed as follows Removing a Dimm 1DIMM Bank and Bank Quad Dimm Replacing a Dimm Audio Card Removing the Audio Card See .4.1, Removing the UPA Graphics Card on Replacing the Audio Card 6Removing and Replacing the Audio Card Motherboard Removing a Motherboard 7Removing and Replacing the Motherboard Part 1 Handle Captive screw 2Serial Port Jumper Settings Replacing a Motherboard J2801 Connect the following Ok setenv #power-cycles Illustrated Parts List 1System Unit Exploded View 1System Unit Replaceable Components 1System Unit Replaceable Components Product Specifications Table A-1System Unit Physical Specifications Physical SpecificationsElectrical Specifications Table A-2Electrical Specifications Environmental Requirements Table A-3Environmental RequirementsPage Signal Descriptions Keyboard/Mouse and Serial Keyboard/Mouse ConnectorTable B-1Keyboard/Mouse Connector Pin Assignments Ports a and B Serial Port a and B RS-423/RS-232 Connectors Used by the data terminal CTS Twisted-Pair Ethernet Connector DTR UltraSCSI Connector Appendix B Signal Descriptions B-7 Table B-4UltraSCSI Connector Pin Assignments Appendix B Signal Descriptions B-9 Audio Connectors Parallel Port Connector Headphones Line-out Line-in Microphone 2514 Appendix B Signal Descriptions B-13 Media Independent Interface Connector Table B-7 MII Connector Pin Assignments Table B-7MII Connector Pin Assignments UPA Graphics Card Connector Figure B-8 Table B-8 Table B-8UPA Graphics Card Connector Pin Assignments Page Functional Description System Unit PSYCHO+ Asic UPA Interconnect Table C-1UPA Port Identification Assignments System Controller PCI Bus 3.2 Symbios 53C876 Scsi Controller3.1 Flash PROM/EPROM EBus2 DevicesCheerio Asic SuperIO UltraSPARC II Processor Audio Memory System Memasel Membsel Memard Membrd Memawr Membwr Memadra Weal RAS0L CAS0L Figure C-5DIMM Mapping Dimm Table C-2DIMM Bank-to-U-Number Mapping Memory System Timing Graphics and ImagingTable C-3IL = 0, Dimm Bank-to-Physical Address Mapping Peripherals Graphics Card FeaturesGraphics Card Performance CD-ROM Drive Diskette Drive Diskette Drive Signals Table C-4Diskette Drive Signals and Functions Hard Drives Table C-5Supported Hard Drives Keyboard and Mouse, Diskette, and Parallel Port Other RMA Storage Device X-OptionsKeyboard and Mouse Port Diskette Port Parallel Port Parallel Port Cables Serial Port Serial Port Components Serial Port Functions Synchronous Rates Automatic Negotiation External Transceivers Connectors12.5 MII Power External Cables PHY Audio Card and Connector Table C-6Audio Card Features Linl Figure C-10Configuration for the Scsi Bus Host Adapter Supported Target Devices Table C-7Supported Target Devices Internal Scsi Subassembly Figure C-11 Scsi Subassembly Functional Block Diagram Scsi ID Selection ASICs15.1 K9+ Cheerio MarvinPSYCHO+ 15.5 FBC Risc Table C-8Power Supply Output Values SuperIO Table C-9Power Supply Control Signal Control SignalsRemote Enable PowerOn and PowerOff 1.2 On/Off Functionality Turning the System Unit On System Unit Power Budget Turning the System Unit Off Table C-10300-MHz 3.3-ns CPU Modules Power Estimate Table C-11PCI Card 5 Vdc Power Estimate Table C-13Memory Subsystem Power Estimate Table C-12PCI Card 3.3 Vdc Power EstimateTable C-14Mass Storage Device Power Estimates Built-In Speaker Specifications Built-In Speaker Standard System Facilities TPE Figure C-13Selected Jumper Settings Jumper Descriptions Table C-16Serial Port Jumper Settings Serial Port Jumpers Flash Prom Jumpers Flash Prom Jumper SettingsEnclosure Enclosure Basics Agency Compliance Enclosure FeaturesEnvironmental Compliance Energy Star Software Support Appendix C Functional Description C-49 Page Glossary Data terminal equipment Insulation displacement connectorDual tag or data tag Extended capability port. An IEEE.1284 standard Glossary-3 QSC Asic Index Agency compliance, C-48all above Output message CPU Address bus, C-5 Data bus, C-5 MII Index-5 QSC ASIC, C-34 Pin assignments, B-3 Index-8