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IBM B50 manual Removal, Power Supply, Replacement, Danger

Models: B50

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Power Supply

DANGER

Do not attempt to open the covers of the power supply. Power supplies are not servicable and are to be replaced as a unit.

Removal

1.Remove the cover as described in “Removing the Cover” on page 7-3.

2.Remove the riser card support bracket, as described in “Riser Card Support Bracket” on page 7-10.

3.Disconnect the power supply cables from the system board connectors and any installed drives. Label each cable, identifying where it connects.

4.Remove the mounting screws from the rear of the power supply.

5.Remove the power supply from the system by moving it forward and then upward, as shown in the following illustration:

Replacement

Replace in reverse order, noting the following power supply cable attachments.

System board power cables

Diskette drive power cable

Disk drive power cables

Media drive power cables

Chapter 7. Removal and Replacement Procedures

7-7

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IBM B50 manual Removal, Power Supply, Replacement, Danger

Contents

RS/6000 7046 Model B50 Service GuidePage RS/6000 7046 Model B50 Service Guideany country where First Edition SeptemberContents Location Codes Power Cables IndexI/O Port Cable Assembly Diskette Drive Assemblyvi 7046 Model B50 Service Guide Federal Communications Commission FCC Statement Communications StatementsEuropean Union EU Statement Canada United Kingdom Telecommunications Safety RequirementsInternational Electrotechnical Commission IEC Statement Avis de conformité aux normes du ministère des Communications duElectromagnetic Interference EMI Statement - Taiwan VCCI StatementRadio Protection for Germany Safety Notices Laser Safety Information Product Recycling and Disposal Environmental NoticesEnvironmental Design xiv 7046 Model B50 Service Guide Related Publications DiagnosticsAbout This Book Online PublicationsThe following trademarks apply to this information TrademarksFront View 1 Power SwitchReset Button Chapter 1. Reference Information10 Expansion Slots Rear View6 Audio Ports 7 9-Pin Serial PortsChapter 1. Reference Information Front View without CoversPower Source Loading SpecificationsDimensions WeightAcoustics Power SupplyOperating Voltage Heat Output MaximumJ139 J19 J28 J11 System Board LocationsJ139 Removing Options in the RS/6000 7046 Model B50 Users Guide System Board Jumper SettingsSCSI ID Riser CardSCSI Bus Termination SlotService Inspection Guide Power CablesExternal devices with separate power supplies have been attached 1-12 7046 Model B50 Service Guide Entry MAP Chapter 2. Maintenance Analysis Procedures MAPsDiagnostics Diagnostics Information for Multiple BusDiagnostics Information for Multiple Bus Diagnostics Information for Multiple BusInformation for Multiple Bus Systems DiagnosticsOther Symptoms or Problems Power and Cooling ProblemsAction SymptomInformation for Multiple Bus Systems DiagnosticsDiagnostics Information DiagnosticsMAP 0020 in Diagnostics Information for Multiple Bus Systems MAP 1020 Problem Determination Purpose of This MAPStep Information for Multiple Bus Systems SymptomDiagnostics MAP in Diagnostics Information for Multiple BusStep There is a problem with the keyboardStep Purpose of this MAP MAP 1240 Memory Problem ResolutionGeneral Memory Information Multiple Bus Systems 0410 Repair Checkout in Diagnostics Information for Multiple Busin Diagnostics Information for SystemsStep 2-11in Diagnostics Information for in Diagnostics Information forDANGER MAP 1520 PowerStep Did you find a problem?Diagnostics Information for Multiple Bus Systems 2-13Step 1. Unplug the power cord from the serverMultiple Bus Systems in theDiagnostics Information for2-15 StepMultiple Bus Systems in theDiagnostics Information for2-16 7046 Model B50 Service Guide StepPurpose of this MAP MAP 1540 Minimum Configuration2-17 Systems as a result of an SRN 101-xxx problem, go to “Boot Problems orStep Is the Please define the System Console screen displayed?2-18 7046 Model B50 Service Guide Step2-19 Does the operator panel do one of the followingStop with any code Alternate between E1FD and any other code?Stop with any code in theDiagnostics Information forStep Does the operator panel do one of the followingStep 2-21in theDiagnostics Information for StepDoes the operator panel do one of the following in theDiagnostics Information forStep Step2-23 Is the SMS screen displayed?Step 2-24 7046 Model B50 Service Guide Step 2-25Is the Please define the System Console screen displayed? 2-26 7046 Model B50 Service Guide Is the Please define the System Console screen displayed? NOStep Is the Please define the System Console screen displayed? 2-27in theDiagnostics Information for StepIs the Please define the System Console screen displayed? NO in theDiagnostics Information for2-28 7046 Model B50 Service Guide Step1. Follow the instructions on the screen to select the system console Did you get an SRN?2-29 StepStep in theDiagnostics Information for2-30 7046 Model B50 Service Guide StepStep Did you disconnect any external devices in Step 1540-2?2-31 StepStep 2-32 7046 Model B50 Service GuideIs the Please define the System Console screen displayed? NO Step 2-33Is the Please define the System Console screen displayed? Is the Please define the System Console screen displayed? 2-34 7046 Model B50 Service GuideStep StepChapter 3. Error Code to FRU Index Description Error CodeFunction Repair Action/Possible Failing FRUDescription Error CodeFunction Action/Possible Failing FRUSCSI device error notes Error Codebootlist SCSI Device ErrorsDescription Error Codeproblem Functionproblem Error Codeproblem Flash UpdateRepair Action/Possible Failing FRU Error CodeNVRAM problem FunctionDescription Error CodeFunction Repair Action/Possible Failing FRULog utility described in “Step 1020-3” on page Memory error codes are in the form25CyyxxxSee “Memory PD Bits” on page 3-13 for Function Error CodeProblem RTC ErrorsFunction 3-11Error Code problemsAssociated FRU Bus SRN to FRU Reference TableBus ID Possible Failing Device and3-13 Memory PD BitsFirmware Checkpoints Repair Action 3-15Checkpoint DescriptionDescription CheckpointRepair Action Repair Action 3-17Checkpoint DescriptionDescription CheckpointRepair Action Repair Action 3-19Checkpoint DescriptionDescription CheckpointRepair Action Repair Action 3-21Checkpoint DescriptionDescription CheckpointRepair Action Repair Action 3-23Checkpoint DescriptionDescription CheckpointRepair Action Repair Action 3-25Checkpoint DescriptionUnresolved problemsGo to “MAP 1540 Minimum Configuration” on page 3-27 Boot Problems or Concerns3-28 7046 Model B50 Service Guide Information for Multiple Bus SystemsReplace system board see note 3 on page 3-293-30 7046 Model B50 Service Guide Physical Location Codes Chapter 4. Location CodesLocation Code Format 1-C1.1 Identifies CPU 1 on CPU card 1 on planar AB-CD-EF-GH Device/FRU/Port ID Connector IDAIX Location Codes Non-SCSI Devices/DrivesPage SCSI devices/drives 4-6 7046 Model B50 Service Guide Default Boot List Chapter 5. Loading the System DiagnosticsCustom Boot List Booting in Service Mode from the Default Boot List Loading Diagnostics in Service Mode BootBooting in Service Mode from the Custom Boot List Recommended Boot Options Working with Standalone versus Online DiagnosticsResult Summary of Boot Options and Control Keysthe audible tone Chapter 6. Using System Management ServicesGraphical System Management Services after the keyboard icon appears during startup, but before6-2 7046 Model B50 Service Guide The System Management Services screen contains the following options 6-4 7046 Model B50 Service Guide ConfigChapter 6. Using System Management Services 6-6 7046 Model B50 Service Guide MultiBootThe following describes the choices available on this screen Page Utilities Update Allows you to update the system firmware program Power-On Password Password6-11 Remove icon 6-13 Privileged-Access PasswordChapter 6. Using System Management Services 6-14 7046 Model B50 Service Guide 6-15 Hard Disk Spin Up DelayP1-M1.10 Error LogTime 00/04/13Set Address RIPL6-17 Config6-18 7046 Model B50 Service Guide The Config icon allows you to configure network adapters which require setup 6-196-20 7046 Model B50 Service Guide SCSI ID6-21 Firmware UpdateFirmware Recovery 6-23 Text-Based System Management Servicesaddr=3F Integrated Ethernet addr=8 SCSI cntlr id=7 Display ConfigurationDevice Name PowerPC L2-Cache, Memory slotA=8MB slotB=8MB LPT addr=3BC COM addr=3F8 COM addr=2F8 Audio Keyboard Mouse DisketteNo Operating System Installed MultiBoot Menu6-25 Select Boot Devices Current Boot Sequence 1. Diskette 2. Ethernet Integrated Restore Default SettingsRestores the boot list to the default sequence of 6-27Device Number 6-28 7046 Model B50 Service Guide5. Change SCSI id 6. Update System Firmware 7. Select Console 6-29Utilities 1. Set Passwords and Unattended Start Mode 2. SCSI Spin-Up 3. Display Error Log 4. Remote Initial Program Load SetupSet Password and Unattended Start Mode Hard Disk Spin Up Delay 6-31Remove Privileged-Access Password 6-32 7046 Model B50 Service Guide Display Error Log6-33 Remote Initial Program Load SetupHW Address 6-34 7046 Model B50 Service GuideSelecting option 1 3Com,3C905 displays the following 100Mb Ethernet configuration menu 6-356-36 7046 Model B50 Service Guide Change SCSI ID Update System Firmware6-37 1 key on the system console 6-38 7046 Model B50 Service Guide5. Espanol 6. Svenska ==== x=Exit Select Language6-39 SELECT LANGUAGE 1. English 2. Francais 3. Deutsch 4. Italiano6-40 7046 Model B50 Service Guide Open Firmware Command LineChapter 7. Removal and Replacement Procedures Chapter 7. Removal and Replacement ProceduresDANGER Handling Static-Sensitive Devices Removing the Cover 10. Continue sliding the server all the way out of the rack 13. Slide the cover to the rear approximately 1 inch ReplacementReplace in reverse order Replacement DASD 2-Pack Assembly Removal7-6 7046 Model B50 Service Guide DANGER RemovalPower Supply ReplacementSupply Cable TiesPower Power Supply Top ViewP10 P12 Power Supply Top ViewChapter 7. Removal and Replacement Procedures Bend cables first 40mmthen attach cable tiesRemoval Riser Card Support BracketReplacement 7-10 7046 Model B50 Service Guide7-11 Riser Card RemovalReplacement Replacement System Board Removal7-12 7046 Model B50 Service Guide 7-13 Fansink Removal11S41L5812YL1109140246 FRU41L5912 Fansink Location 7-14 7046 Model B50 Service GuideReplacement 7-15Setting the SCSI Security Jumpers Replace in the reverse order Front Covers Removal7-17 ReplacementReplacement Power Switch Removal7-18 7046 Model B50 Service Guide 7-19 Reset Button and Operator Panel Display Assembly RemovalReplacement Replacement Activity LED and Cable Assemblies Removal7-20 7046 Model B50 Service Guide 7-21 I/O Port Cable Assembly RemovalReplacement Replacement Diskette Drive Assembly Removal7-22 7046 Model B50 Service Guide 7-23 CD-ROM Drive Assembly RemovalReplacement Replacement Internal Disk Drives Removaldrive carrier from the rear connector 7-25 Adapter RemovalReplacement Removing Memory Modules Memory Modules4. Remove the memory modules, as shown in the following illustration 7-277-28 7046 Model B50 Service Guide ReplacementAttention Inserting the memory module at an angle may cause damage 7-297-30 7046 Model B50 Service Guide 7-31 Changing the BatteryThe battery connector is polarized do not attempt to reverse polarity Dispose of the battery according to local regulationsRemoval ReplacementChapter 8. Parts Information Chapter 8. Parts Information8-2 7046 Model B50 Service Guide Server2829 11H9744 Information for Multiple Bus SystemsNumber 2829 8-4 7046 Model B50 Service Guide08L8446, 11K0157, 11K0459 CD-ROM Power Cable JumperInformation for Multiple Bus Systems 41L5590Keyboard, 104 Brazil Portuguese ID and MouseCountry Power CablesIndex Part Number14F0033 Appendix A. Interpreting Firmware Error Codes Network controller Current PCI 2.1 Class Code DefinitionBridge devices Page Page A-6 7046 Model B50 Service Guide Index iso 9000 statement cable assemblysystem board disk drive bay coverX-4 7046 Model B50 Service Guide Overall how satisfied are you with the information in this book? RS/6000 7046 Model B50 Service GuideReaders Comments - Wed Like to Hear From You Form Number SA38-0564-00Cut or Fold Along Line BUSINESS REPLY MAILInformation Development Department H6DS-9561 11400 Burnet Road Austin, TXPage Part Number 03N4113 IBMSA38