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IBM 6644, 6645, 6646 manual USB Port

Models: 6644 6646 6645

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USB Port

•Disconnect the front USB port cable from the system board.

•Remove the two screws from the front USB port bracket as shown.

•Remove the front USB port from the unit.

•Remove the two screws from the front USB port then detach the bracket from the front USB port.

92 IBM Desktop System HMM

Image 124

IBM 6644, 6645, 6646 manual USB Port

Contents

Hardware Maintenance Service for Service Level a 6644/6645/6646Page Contents Check Procedures Diagnostic AidsRepair Information Parts/Test Point LocationsParts Catalog 121 Safety Inspection Guide 119Appendix A. FRU Number List 133 Index 137 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 Product Overview Processors Machine TypeProcessors Machine Type 6645/6646 MemoryExternal Ports Hard Disk DriveCD-ROM Drive MultimediaPower Management Power SupplyInternal Cabling KeyboardHardware Interfaces InterfaceCmos Reset Power-On Password Flash Bios Update Procedure Press Y, then press Enter. When the screen shows BIOS-contained Model Number and Serial NumberPress Y, then press Enter IBM Desktop System HMM When the screen shows Working with the Setup Menus Bios Configuration/Setup UtilityStarting the Configuration/Setup Utility Changing Parameter Settings Keys FunctionRestore Settings Save SettingsLoading Default Settings Exiting Setup Viewing System Information, and Product DataVideo Setup USB Boot deviceDevices and I/O ports IDE Drive Setup Palette SnoopingVideo Interrupt IDE Hard Disk DriveIDE CD-ROM Drive Audio SetupAudio Support Startup Options Network SetupStartup Sequence Power-On Self Test Power-On LogosAutomatics Power-on Startup Sequence Error Startup SequenceSystem Security Power-On password Remote AdministrationSecurity Profile by Device Enter Setup Key in your current password when prompted Changing the Power-On PasswordDelete Power-On Password Advanced Setup Administrator PasswordAdapter ROM Security Asset IDPCI Control Plug and Play Control Plug and Play Operating SystemProcessor Control Wake on LANAcpi Bios IRQ Specifications Dimension width x depth x heightWeight 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 Error Symptoms Action/FRU Processor / Processor Fan Error Symptoms ListSystem Board and Memory Error Symptoms Action/FRU Hard Disk DriveCNN1 CD-ROM DriveError Symptoms List Video and Monitor Error Symptoms Action/FRU Real-Time ClockUSB Ports Some or all keys on Keyboard on Keyboard do not work Other Problems Troubleshooting Factory-Installed Storage Devices003 Select Utility from the menu005 Page Audio Not Supported by Diagnostics Program Ensure that Windows 2000 is properly installed EndPerform the following under Windows Check Procedures 004Select Settings, then select Control Panel 006008 Try reading the CD with a known good CD-ROM drive CD-ROM DriveReplace system board IBM Desktop System HMM Replace CD-ROM drive End Check Procedures Memory Follow the screen instructions to run the Memory testKeyboard 002Mouse Test right left button and check if right left button worksTest mouse cursor movement Mouse is functioned normally EndTry with a known good mouse 010Replace the mouse End 011Power Supply Disconnect the power cord from the back of the system unitReplace the on/off switch cable assembly Pin power connector IDE power connectorReplace the power supply End Check Procedures 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 System Board Jumper Settings System Board Jumpers ConnectorsJumper/Settings Function System Board Connector Functions Connector Function Connect toPower Supply Connectors and Voltages Power supply Pin Power Connector Pin-hole side viewPower Supply Output Pin Assignment 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 CD-ROM Drive Rear Panel Connectors and Jumpers CD-ROM Drive Rear Panel Connectors and JumpersFunction Connect to Dimm Configurations System Board Connector Pin Signals Monitor Port SignalsIDE Cable Connector 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