Pin-hole side view | IBM 2274 guide

005 - DOES THE POWER SUPPLY FAN RUN? (YES, READ AHEAD. NO, GO TO STEP 009)

•With the system powered on and the power supply fan running, check the voltages of the power supply connectors for the system board and all drive connectors, as shown in the following figures.

Pin-hole side view

Cable side view

006 - ARE THE VOLTAGES CORRECT AND DOES THE FAN RUN? (YES, READ AHEAD. NO, GO TO STEP 009.)

•The power supply is working normally.

•If you suspect the on/off switch cable assembly, see Step 003.

•If the fan continues to run when all connectors are plugged back in, go to See “Undetermined Problems” on page 74.

•If the fan stops running when a drive connector is plugged back in, go to “Start” on page 33.

70 IBM Desktop System HMM

Image 104

IBM 2274 manual Pin-hole side view

Contents

Hardware Maintenance Service for Service Level a Page Contents Check Procedures Diagnostic AidsSystem Backup Battery Electrical input Operating Requirements Parts Catalog Safety Inspection GuideParts/Test Point Locations Index Appendix A. FRU Number ListAppendix B. Online Support Voltage Supply Switch Settings Voltage Supply Range Voltage Switch Setting Safety Information To Connect To Disconnect Do not Para Conectar Para Desconectar Cuidado Cuidado Page Xiv Page Xvi Connexion Déconnexion Xviii Page Vorsicht Kabel anschließen Kabel lö sen Achtung Instrumenten betrachten und den Strahlungsbereich meiden Xxii Pericolo Per collegare Per scollegare Attenzione Xxiv Attenzione Xxvi Page Xxviii Instrucciones de Conexió n Desconexió n Peligro Page Laser Compliance Statement Categorie Trademarks HelpCenter Numbers listed in numerical order PrefaceAppendix A, FRU Number Index contains part Xxxiv General Information Introduction Memory Product OverviewProcessor Hard Disk Drive External PortDiskette Drive Multimedia Power ManagementDVD-ROM Drive Monitor Not included with some models Power SupplyInternal Cabling Keyboard Mouse Hardware Interfaces Interface USB Cmos Reset Power-On Password Flash Bios Update Procedure BIOS-contained Model Number and Serial Number Type ADMICFG.EXE/ type 01 05 Type Bios Configuration/Setup Utility Working with the Configuration/Setup Utility Menu Changing Parameter Settings Keys Function Save & Exit Settings Viewing System Information, and Product Data Devices and I/O ports Onboard Parallel Mode ECP Mode Use DMAOnboard Serial Port Onboard Parallel Port IDE Prefetch Mode MPU-401 --EnabledUSB Mouse Support Onboard Sound Startup Options Setting a Power-On Password Keyboardless Operation Changing the Power-On Password Delete Power-On Password Advanced Setup Video Bios ShadowCPU Internal Cache External Cache Power Management Setup HDD Power Down Doze ModeSuspend Mode PM Control by APM Primary Intr Video Off MethodActivity Monitor Power On by PCI Card RTC Alarm ResumeModem Ring Resume Date MonthPage Specifications Operating Requirements Check Procedures Index of Symptoms, Messages, Error Codes, or Start Read the Following Insert diagnostics diskette in the diskette drive 005 007 009 Index of Symptoms, Messages, Error Codes, or Beeps Page Post Error Codes and Messages List Bios Error Codes Action/FRU Messages Post Error Codes and Messages List Post Error Codes and Messages List Post Error Codes and Messages List Bios Error Beeps List Bios Error Beeps Action/FRU System Board and Memory Error Symptoms ListError Symptoms Action/FRU Processor / Processor Fan Error Symptoms Action/FRU Diskette Drive Check Procedures Hard Disk Drive CN6 HDD Error Symptoms Action/FRU CD/DVD-ROM Drive Date and Time on Video and Monitor Diagnostic Program Parallel/Serial PortsJoystick Keyboard Error Symptoms Action/FRU Power Supply Other Problems Troubleshooting Factory-Installed Storage Devices 003 Select Utility from the menu 005 Page Factory-Installed Modem Card 002 Select Program, then select Accessories, Hyper Terminal Select an on-line service station, dial and connect to itStart Microsoft Windows Select the Start icon Modem adapter functions normally End Audio Not Supported by Diagnostics Program Select Settings, then select Control Panel 004006 008Page CD/DVD-ROM Drive Replace system board End Replace CD/DVD-ROM drive End IBM Desktop System HMM Memory Follow the screen instructions to run the Memory test Keyboard Keyboard is functioning normally EndTry with a known good keyboard Replace the system board End Mouse Test right left button and check if right left button worksTest mouse cursor movement Mouse is functioned normally End Try with a known good mouse 010Replace the mouse End 011 Power Supply Disconnect the power cord from the back of the system unit Pin-hole side view Replace the on/off switch cable assembly Replace the power supply End Check Procedures Monitor Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step Undetermined Problems DimmPage IBM Desktop System HMM Diagnostic Aids Introduction Power-On Self Test Page Diagnostic Diskette Using the Diagnostic Diskette Using Diagnostic Program from Recovery CD Diagnostics Program Features Submenu Selections Diagnostic Program Main Menu Selections Repair Information Removals and Replacements Handling ESD-Sensitive Parts Identifying the Parts of the System Unit Bay Adapter card connectors Power supplyAdapter cards Adapter card slots Cover Page Bay Panels Bay 1- 5.25-In. Bay Internal or External Access Page Page Front Panel Power Supply Adapter Cards MemoryDIMM AMD K7 Duron Processor Page System Backup Battery Indicator LED and Cable System Board Page IBM Desktop System HMM Parts/Test Point Locations Parts/Test Point Locations Introduction System Board Jumpers Connectors System Board Jumper SettingSystem Board Connector Functions Jumper/Settings Function CN6 Pin Voltage Cable Color Power Supply Connectors and VoltagesPower Supply Output Pin Assignment +5Vdc Green Ground Black No connect Red RJ-45 connector is used Accton Parts/Test Point Locations Network Cards Function Connect to RJ11 connector Telephone line Factory-Installed Modem Card LayoutAskey GVC Factory-Installed Modem Card Connector Functions Video Cards Nvidia M64 w/ TV Out, 32MB Nvidia NV10 w/ TV Out, 32MB Optional output from monitor IBM Desktop System HMM D Signal Pin AssignmentsPin Signal In. Hard Disk Drive Jumper Settings J50 Description CD-ROM Drive Lite-on CD-ROM Front Panel Introduction CD-ROM Emergency-exit option Function Connect to CD-ROM Drive Rear Panel Connectors and JumpersCD-ROM Drive Rear Panel Connectors and Jumpers CD-ROM R/W Drive CD-ROM R/W Front Panel Introduction CD-ROM R/W Drive Rear Panel Connectors and Jumpers DVD-ROM Drive Front Panel and Emergency-Exit DVD-ROM Front Panel Introduction Function Connect DVD-ROM Drive Rear Panel Connectors and JumpersDVD-ROM Drive Rear Panel Connectors and Jumpers Dimm Configurations System Board Connector Pin Signals Monitor Port SignalsSerial Port Signals Pin Signal Name Keyboard Port Signals Parallel Port SignalsMouse Port Signals Diskette Drive Cable Connector Signals IDE Cable Connector Signals Safety Inspection Guide General Guidelines Parts Catalog Parts Catalog Abbreviations Country Language Version System Assembly Assembly 1 System UniAsm Index Number IBM Desktop System HMM Assembly 2 Diskette, Hard Drive and Zip Drive Assembly 3 CD/DVD-ROM Drive Assembly 4 Power Cord Assembly 5 Keyboard and Mouse FRU Number List FRU Number Asm-Index 20L2197 Appendix B. Online Support Information Online SupportPage Audio Check Procedure IndexPage Page