Power Button/Indicator LED and Cable | IBM 6644, 6645, 6646 manual

Power Button/Indicator LED and Cable

•Disconnect the LED/power switch cable from the system board.

•Remove two LEDs from the chassis gently.

•Push two latches to remove the power switch from the chassis carefully.

•Remove the cable from the clasps on the chassis and then remove the cable from the chassis.

98 IBM Desktop System HMM

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IBM 6644, 6645, 6646 manual Power Button/Indicator LED and Cable

Contents

Hardware Maintenance Service for Service Level a 6644/6645/6646Page Contents Repair Information Check ProceduresDiagnostic Aids Parts/Test Point Locations Parts Catalog 121 Safety Inspection Guide 119Appendix A. FRU Number List 133 Index 137 Page Voltage Supply Switch Settings Voltage Supply Range Voltage Switch Setting Safety Information To Connect To Disconnect Do not Para Conectar Para Desconectar Cuidado XII Page XIV Page XVI Connexion Déconnexion Xviii Vorsicht Achtung Kabel anschließen Kabel lösen Vorsicht Pericolo Attenzione Per collegare Per scollegare Xxiv Page Xxvi Peligro Instrucciones de Conexión Desconexión Xxviii Page Laser Compliance Statement Trademarks HelpCenter Preface General Information Introduction Product Overview Introduction Processors Machine Type 6645/6646 Product OverviewProcessors Machine Type Memory CD-ROM Drive External PortsHard Disk Drive Multimedia Internal Cabling Power ManagementPower Supply Keyboard Hardware Interfaces Interface Cmos 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 Function Restore Settings Save SettingsLoading Default Settings Exiting Setup Viewing System Information, and Product Data Video Setup USB Boot deviceDevices and I/O ports Video Interrupt IDE Drive SetupPalette Snooping IDE Hard Disk Drive IDE CD-ROM Drive Audio SetupAudio Support Startup Options Network SetupStartup Sequence Automatics Power-on Startup Sequence Power-On Self TestPower-On Logos Error Startup Sequence System 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 Adapter ROM Security Advanced SetupAdministrator Password Asset ID Processor Control PCI ControlPlug and Play Control Plug and Play Operating System Wake on LAN Acpi Bios IRQ Weight SpecificationsDimension width x depth x height Environment Operating Requirements Check Procedures Introduction Important The drives in the system you are Check Procedures Start Read the Following Page 005 007 009 Index of Symptoms, Messages, Error Codes, or Beeps Page Post Error Codes and Messages List Bios Error Codes Action/FRU Messages Bios 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/FRU Dimm Bios Error Beeps List Error Symptoms Action/FRU Processor / Processor Fan Error Symptoms ListSystem Board and Memory Error Symptoms Action/FRU Hard Disk Drive CNN1 CD-ROM Drive Error 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 Devices 003 Select Utility from the menu 005 Page Perform the following under Windows Check Procedures Audio Not Supported by Diagnostics ProgramEnsure that Windows 2000 is properly installed End 004 Select Settings, then select Control Panel 006 008 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 test Keyboard 002 Test mouse cursor movement MouseTest right left button and check if right left button works Mouse is functioned normally End Replace the mouse End Try with a known good mouse010 011 Power Supply Disconnect the power cord from the back of the system unit Replace 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 Step Is 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 CD Using Diagnostic Program from Recovery CD Diagnostics Program Features Main Menu Selections Submenu Selections Diagnostic Program Main Menu Selections System Board System Backup Battery Repair Information Removals 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 104 Introduction System Board Jumper Settings System Board Jumpers ConnectorsJumper/Settings Function System Board Connector Functions Connector Function Connect to Power 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 BTC CD-ROM Front Panel Introduction CD-ROM Drive Rear Panel Connectors and Jumpers CD-ROM Drive Rear Panel Connectors and JumpersFunction Connect to Dimm Configurations IDE Cable Connector Signals System Board Connector Pin SignalsMonitor Port Signals Pin Signal Name IBM Desktop System HMM Safety Inspection Guide General Guidelines 120 Safety Inspection Guide General Guidelines Parts Catalog Abbreviations Country Language Version System Assembly Assembly 1a System Unit- Interior Index 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/ANZ IBM Desktop System HMM FRU Number List FRU Number Asm-Index 1a-2 123 FRU Number List IBM Desktop System HMM Audio Check Procedure Audio Setup Index Pbsram Page