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IBM 6646, 6645, 6644 manual

Models: 6644 6646 6645

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4.If no keyboard keys are pressed, and if POST is completed without errors, the system will then proceed with the loading of Windows 2000 or other operating system from a hard disk drive or CD-ROM drive, depending on the Start options selected in the BIOS Setup Utility.

If any errors are detected by POST, there will be an error message accompanied with an error code shown on display screen and a beep. See “Index of Symptoms, Messages, Error Codes, or Beeps” to find the most likely cause and action.

78 IBM Desktop System HMM

Image 110

IBM 6646, 6645, 6644 manual

Contents

Hardware Maintenance Service for Service Level a 6644/6645/6646Page Contents Repair Information Check ProceduresDiagnostic Aids Parts/Test Point LocationsAppendix A. FRU Number List 133 Index 137 Safety Inspection Guide 119Parts Catalog 121 Page Voltage Supply Switch Settings Voltage Supply Range Voltage Switch SettingSafety Information To Connect To DisconnectDo not Para Conectar Para DesconectarCuidado XII Page XIV Page XVI Connexion Déconnexion Xviii Vorsicht Achtung Kabel anschließen Kabel lösenVorsicht Pericolo Attenzione Per collegare Per scollegareXxiv Page Xxvi Peligro Instrucciones de Conexión DesconexiónXxviii Page Laser Compliance Statement Trademarks HelpCenterPreface General Information Introduction Product OverviewIntroduction Processors Machine Type 6645/6646 Product OverviewProcessors Machine Type MemoryCD-ROM Drive External PortsHard Disk Drive MultimediaInternal Cabling Power ManagementPower Supply KeyboardHardware Interfaces InterfaceCmos Reset Power-On Password Flash Bios Update Procedure Press Y, then press Enter IBM Desktop System HMM BIOS-contained Model Number and Serial NumberPress Y, then press Enter. When the screen shows When the screen shows Starting the Configuration/Setup Utility Bios Configuration/Setup UtilityWorking with the Setup Menus Changing Parameter Settings Keys FunctionLoading Default Settings Save SettingsRestore Settings Exiting Setup Viewing System Information, and Product DataDevices and I/O ports USB Boot deviceVideo Setup Video Interrupt IDE Drive SetupPalette Snooping IDE Hard Disk DriveAudio Support Audio SetupIDE CD-ROM Drive Startup Sequence Network SetupStartup Options Automatics Power-on Startup Sequence Power-On Self TestPower-On Logos Error Startup SequenceSystem Security Security Profile by Device Remote AdministrationPower-On password Delete Power-On Password Changing the Power-On PasswordEnter Setup Key in your current password when prompted Adapter ROM Security Advanced SetupAdministrator Password Asset IDProcessor Control PCI ControlPlug and Play Control Plug and Play Operating System Wake on LANAcpi Bios IRQ Weight SpecificationsDimension width x depth x height EnvironmentOperating Requirements Check Procedures Introduction Important The drives in the system you are Check Procedures StartRead the Following Page 005 007009 Index of Symptoms, Messages, Error Codes, or Beeps Page Post Error Codes and Messages List Bios Error Codes Action/FRU MessagesBios ROM Post Error Codes and Messages List Dimm ROM Post Error Codes and Messages List Post Error Codes and Messages List Bios Error Beeps List Bios Error Beeps Action/FRUDimm Bios Error Beeps List System Board and Memory Error Symptoms ListError Symptoms Action/FRU Processor / Processor Fan Error Symptoms Action/FRU Hard Disk DriveCNN1 CD-ROM DriveError Symptoms List USB Ports Error Symptoms Action/FRU Real-Time ClockVideo and Monitor Some or all keys on Keyboard on Keyboard do not work Other Problems Troubleshooting Factory-Installed Storage Devices003 Select Utility from the menu005 Page Perform the following under Windows Check Procedures Audio Not Supported by Diagnostics ProgramEnsure that Windows 2000 is properly installed End 004Select Settings, then select Control Panel 006008 Replace system board IBM Desktop System HMM CD-ROM DriveTry reading the CD with a known good CD-ROM drive Replace CD-ROM drive End Check Procedures Memory Follow the screen instructions to run the Memory testKeyboard 002Test mouse cursor movement MouseTest right left button and check if right left button works Mouse is functioned normally EndReplace the mouse End Try with a known good mouse010 011Power Supply Disconnect the power cord from the back of the system unitReplace the power supply End Check Procedures Pin power connector IDE power connectorReplace the on/off switch cable assembly Monitor Is the Screen READABLE? YES, Read AHEAD. NO, GO to StepIs the Screen Still not READABLE? Undetermined Problems DimmPage IBM Desktop System HMM Diagnostic Aids Introduction Power-On Self Test Page Diagnostic CD Using the Diagnostic CDUsing Diagnostic Program from Recovery CD Diagnostics Program Features Main Menu Selections Submenu SelectionsDiagnostic Program Main Menu Selections System Board System Backup Battery Repair InformationRemovals and Replacements Cover Processor and Fansink Page IBM Desktop System HMM Memory Dimm Adapter Card Internal Speaker USB Port CD-ROM Drive Page Hard Disk Drive Page Power Supply Power Button/Indicator LED and Cable System Board System Backup Battery Handling ESD-Sensitive Parts Software Recovery Procedure Parts/Test Point Locations Introduction 104Introduction Jumper/Settings Function System Board Jumpers ConnectorsSystem Board Jumper Settings System Board Connector Functions Connector Function Connect toPower Supply Output Pin Assignment Power Supply Connectors and VoltagesPower supply Pin Power Connector Pin-hole side view Pin Voltage Cable Color+5Vdc Green Ground Black No connect Red Network Cards In. Hard Disk Drive Jumper Settings Maxtor Hard Disk Maxtor Hard Disk Drive Jumper Settings J50 DescriptionPage Lite-on BTCCD-ROM Front Panel Introduction Function Connect to CD-ROM Drive Rear Panel Connectors and JumpersCD-ROM Drive Rear Panel Connectors and Jumpers Dimm Configurations IDE Cable Connector Signals System Board Connector Pin SignalsMonitor Port Signals Pin Signal NameIBM Desktop System HMM Safety Inspection Guide General Guidelines 120 Safety Inspection GuideGeneral Guidelines Parts Catalog Abbreviations Country Language VersionSystem Assembly Assembly 1a System Unit- InteriorIndex Number 6644 6645 6646 Bezel Blank Assembly 1b System Unit Exterior Assembly 2 Hard Drive Assembly 3 CD-ROM Drive Assembly 4 Power Cord ANZ Assembly 5 Keyboard and Mouse US/CAN/ANZIBM Desktop System HMM FRU Number List FRU Number Asm-Index1a-2 123 FRU Number List IBM Desktop System HMM Audio Check Procedure Audio Setup IndexPbsram Page