Contents Product Information............................................................................................................ 1-1 Features......................................................................................................................................... 1-3 Operation ...................................................................................................................................... 1-7 Turning the Computer On and Off ........................................................................................ 1-7 Checking the Status of the Computer ....................................................................................
1-8 Using Fn Hot Keys................................................................................................................. 1-9 Resetting the Omnibook ...................................................................................................... 1-10 Docking and Undocking the Computer ............................................................................... 1-11 Connecting a Floppy Disk Drive ......................................................................................... 1-13 Specifications..............................................................................................................................
1-14 Internal Design............................................................................................................................ 1-19 Removal and Replacement.................................................................................................. 2-1 Disassembly Flowchart................................................................................................................. 2-2 Removing the Main Battery (User-Replaceable).......................................................................... 2-4 Removing a Plug-In Module (User-Replaceable).........................................................................
2-5 Removing the Hard Disk Drive (User-Replaceable) .................................................................... 2-6 Removing the Power Button Panel (User-Replaceable)............................................................... 2-9 Removing the Keyboard (User-Replaceable) ............................................................................. 2-10 Removing an SDRAM Module (User-Replaceable) .................................................................. 2-12 Removing a System SDRAM Module.................................................................................
2-12 Removing an Expansion SDRAM Module ......................................................................... 2-13 Removing a Mini-PCI Card (certain models only) (User-Replaceable)..................................... 2-14 Removing the Switchboard PCA (User-Replaceable)................................................................ 2-16 Replacing Small Parts (User-Replaceable)................................................................................. 2-17 Removing the Display Assembly (HP Authorized Service Providers Only).............................. 2-18 Removing the Heatsink/Fan (HP Authorized Service Providers Only)......................................
2-21 Removing the Top Case (HP Authorized Service Providers Only)............................................ 2-23 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only)............ 2-25 Replacing the Motherboard ................................................................................................. 2-27 Replacing the Bottom Case.................................................................................................. 2-29 Repairing the BIOS IC (HP Authorized Service Providers Only).............................................. 2-32 Removing Omnibook Components (HP Authorized Service Providers Only)...........................
2-34 Troubleshooting and Diagnostics ....................................................................................... 3-1 Troubleshooting............................................................................................................................ 3-2 Checking for Customer Abuse............................................................................................... 3-3 Troubleshooting the Problem................................................................................................. 3-3 Verifying the Repair ..............................................................................................................
3-4 Suggestions for Troubleshooting........................................................................................... 3-5 Diagnostic Tools......................................................................................................................... 3-19 e-DiagTools ......................................................................................................................... 3-19 Power-On Self-Test ............................................................................................................. 3-26 Sycard PCCtest 450/460 CardBus Card (Optional).............................................................
3-29 Desktop and Windows Management Interfaces (DMI/WMI).............................................. 3-30 BIOS Setup Utility............................................................................................................... 3-31 HP Omnibook 500 iii