Memory Dimm | IBM 6644, 6645, 6646 instruction

Memory (DIMM)

•To release the memory module, press down and out on the levers on both sides of the DIMM socket, and then lift the memory module away.

Repair Information 89

Image 121

IBM 6644, 6645, 6646 manual Memory Dimm

Contents

6644/6645/6646 Hardware Maintenance Service for Service Level aPage Contents Diagnostic Aids Check ProceduresRepair Information Parts/Test Point Locations Parts Catalog 121 Safety Inspection Guide 119Appendix A. FRU Number List 133 Index 137 Page Voltage Supply Range Voltage Switch Setting Voltage Supply Switch Settings To Connect To Disconnect Safety Information Do not Para Desconectar Para Conectar Cuidado XII Page XIV Page XVI Connexion Déconnexion Xviii Vorsicht Kabel anschließen Kabel lösen Achtung Vorsicht Pericolo Per collegare Per scollegare Attenzione Xxiv Page Xxvi Instrucciones de Conexión Desconexión Peligro Xxviii Page Laser Compliance Statement HelpCenter Trademarks Preface Introduction Product Overview General Information Introduction Processors Machine Type Product OverviewProcessors Machine Type 6645/6646 Memory Hard Disk Drive External PortsCD-ROM Drive Multimedia Power Supply Power ManagementInternal Cabling Keyboard Interface Hardware Interfaces 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 Keys Function Changing Parameter Settings Restore Settings Save SettingsLoading Default Settings Viewing System Information, and Product Data Exiting Setup Video Setup USB Boot deviceDevices and I/O ports Palette Snooping IDE Drive SetupVideo Interrupt IDE Hard Disk Drive IDE CD-ROM Drive Audio SetupAudio Support Startup Options Network SetupStartup Sequence Power-On Logos Power-On Self TestAutomatics Power-on Startup Sequence 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 Administrator Password Advanced SetupAdapter ROM Security Asset ID Plug and Play Control Plug and Play Operating System PCI ControlProcessor Control Wake on LAN Acpi Bios IRQ Dimension width x depth x height SpecificationsWeight Environment Operating Requirements Check Procedures Introduction Start Important The drives in the system you are Check Procedures Read the Following Page 007 005 009 Index of Symptoms, Messages, Error Codes, or Beeps Page Bios Error Codes Action/FRU Messages Post Error Codes and Messages List 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 Action/FRU Bios Error Beeps List Dimm Bios Error Beeps List Error Symptoms Action/FRU Processor / Processor Fan Error Symptoms ListSystem Board and Memory Hard Disk Drive Error Symptoms Action/FRU CD-ROM Drive CNN1 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 Factory-Installed Storage Devices Troubleshooting Select Utility from the menu 003 005 Page Ensure that Windows 2000 is properly installed End Audio Not Supported by Diagnostics ProgramPerform the following under Windows Check Procedures 004 006 Select Settings, then select Control Panel 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 Follow the screen instructions to run the Memory test Memory 002 Keyboard Test right left button and check if right left button works MouseTest mouse cursor movement Mouse is functioned normally End 010 Try with a known good mouseReplace the mouse End 011 Disconnect the power cord from the back of the system unit Power Supply Replace the on/off switch cable assembly Pin power connector IDE power connectorReplace the power supply End Check Procedures Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step Monitor Is the Screen Still not READABLE? Dimm Undetermined ProblemsPage IBM Desktop System HMM Diagnostic Aids Introduction Power-On Self Test Page Using the Diagnostic CD Diagnostic CD Using Diagnostic Program from Recovery CD Main Menu Selections Submenu Selections Diagnostics Program Features Diagnostic Program Main Menu Selections Repair Information System Board System Backup Battery 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 Introduction 104 Parts/Test Point Locations Introduction System Board Jumper Settings System Board Jumpers ConnectorsJumper/Settings Function Connector Function Connect to System Board Connector Functions Power supply Pin Power Connector Pin-hole side view Power Supply Connectors and VoltagesPower Supply Output Pin Assignment Pin Voltage Cable Color +5Vdc Green Ground Black No connect Red Network Cards In. Hard Disk Drive Jumper Settings J50 Description Maxtor Hard Disk Maxtor Hard Disk Drive Jumper SettingsPage BTC Lite-on 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 Monitor Port Signals System Board Connector Pin SignalsIDE Cable Connector Signals Pin Signal Name IBM Desktop System HMM General Guidelines 120 Safety Inspection Guide Safety Inspection Guide General Guidelines Parts Catalog Country Language Version Abbreviations Assembly 1a System Unit- Interior System Assembly 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 US/CAN/ANZ Assembly 5 Keyboard and Mouse IBM Desktop System HMM FRU Number Asm-Index FRU Number List 1a-2 123 FRU Number List IBM Desktop System HMM Index Audio Check Procedure Audio Setup Pbsram Page